cargo/util/toml/
mod.rs

1use annotate_snippets::{AnnotationKind, Group, Level, Snippet};
2use std::borrow::Cow;
3use std::cell::OnceCell;
4use std::collections::{BTreeMap, BTreeSet, HashMap};
5use std::ffi::OsStr;
6use std::path::{Path, PathBuf};
7use std::rc::Rc;
8use std::str::{self, FromStr};
9
10use crate::AlreadyPrintedError;
11use crate::core::summary::MissingDependencyError;
12use anyhow::{Context as _, anyhow, bail};
13use cargo_platform::Platform;
14use cargo_util::paths;
15use cargo_util_schemas::manifest::{
16    self, PackageName, PathBaseName, TomlDependency, TomlDetailedDependency, TomlManifest,
17    TomlPackageBuild, TomlWorkspace,
18};
19use cargo_util_schemas::manifest::{RustVersion, StringOrBool};
20use itertools::Itertools;
21use pathdiff::diff_paths;
22use url::Url;
23
24use crate::core::compiler::{CompileKind, CompileTarget};
25use crate::core::dependency::{Artifact, ArtifactTarget, DepKind};
26use crate::core::manifest::{ManifestMetadata, TargetSourcePath};
27use crate::core::resolver::ResolveBehavior;
28use crate::core::{CliUnstable, FeatureValue, find_workspace_root, resolve_relative_path};
29use crate::core::{Dependency, Manifest, Package, PackageId, Summary, Target};
30use crate::core::{Edition, EitherManifest, Feature, Features, VirtualManifest, Workspace};
31use crate::core::{GitReference, PackageIdSpec, SourceId, WorkspaceConfig, WorkspaceRootConfig};
32use crate::sources::{CRATES_IO_INDEX, CRATES_IO_REGISTRY};
33use crate::util::errors::{CargoResult, ManifestError};
34use crate::util::interning::InternedString;
35use crate::util::lints::{get_key_value_span, rel_cwd_manifest_path};
36use crate::util::{
37    self, GlobalContext, IntoUrl, OnceExt, OptVersionReq, context::ConfigRelativePath,
38    context::TOP_LEVEL_CONFIG_KEYS,
39};
40
41mod embedded;
42mod targets;
43
44use self::targets::to_targets;
45
46/// See also `bin/cargo/commands/run.rs`s `is_manifest_command`
47pub fn is_embedded(path: &Path) -> bool {
48    let ext = path.extension();
49    (ext == Some(OsStr::new("rs")) ||
50        // Provide better errors by not considering directories to be embedded manifests
51        ext.is_none())
52        && path.is_file()
53}
54
55/// Loads a `Cargo.toml` from a file on disk.
56///
57/// This could result in a real or virtual manifest being returned.
58///
59/// A list of nested paths is also returned, one for each path dependency
60/// within the manifest. For virtual manifests, these paths can only
61/// come from patched or replaced dependencies. These paths are not
62/// canonicalized.
63#[tracing::instrument(skip(gctx))]
64pub fn read_manifest(
65    path: &Path,
66    source_id: SourceId,
67    gctx: &GlobalContext,
68) -> CargoResult<EitherManifest> {
69    let mut warnings = Default::default();
70    let mut errors = Default::default();
71
72    let is_embedded = is_embedded(path);
73    let contents = read_toml_string(path, is_embedded, gctx)?;
74    let document = parse_document(&contents)
75        .map_err(|e| emit_toml_diagnostic(e.into(), &contents, path, gctx))?;
76    let original_toml = deserialize_toml(&document)
77        .map_err(|e| emit_toml_diagnostic(e.into(), &contents, path, gctx))?;
78
79    let mut manifest = (|| {
80        let empty = Vec::new();
81        let cargo_features = original_toml.cargo_features.as_ref().unwrap_or(&empty);
82        let features = Features::new(cargo_features, gctx, &mut warnings, source_id.is_path())?;
83        let workspace_config =
84            to_workspace_config(&original_toml, path, is_embedded, gctx, &mut warnings)?;
85        if let WorkspaceConfig::Root(ws_root_config) = &workspace_config {
86            let package_root = path.parent().unwrap();
87            gctx.ws_roots()
88                .insert(package_root.to_owned(), ws_root_config.clone());
89        }
90        let normalized_toml = normalize_toml(
91            &original_toml,
92            &features,
93            &workspace_config,
94            path,
95            is_embedded,
96            gctx,
97            &mut warnings,
98            &mut errors,
99        )?;
100
101        if normalized_toml.package().is_some() {
102            to_real_manifest(
103                contents,
104                document,
105                original_toml,
106                normalized_toml,
107                features,
108                workspace_config,
109                source_id,
110                path,
111                is_embedded,
112                gctx,
113                &mut warnings,
114                &mut errors,
115            )
116            .map(EitherManifest::Real)
117        } else if normalized_toml.workspace.is_some() {
118            assert!(!is_embedded);
119            to_virtual_manifest(
120                contents,
121                document,
122                original_toml,
123                normalized_toml,
124                features,
125                workspace_config,
126                source_id,
127                path,
128                gctx,
129                &mut warnings,
130                &mut errors,
131            )
132            .map(EitherManifest::Virtual)
133        } else {
134            anyhow::bail!("manifest is missing either a `[package]` or a `[workspace]`")
135        }
136    })()
137    .map_err(|err| {
138        ManifestError::new(
139            err.context(format!("failed to parse manifest at `{}`", path.display())),
140            path.into(),
141        )
142    })?;
143
144    for warning in warnings {
145        manifest.warnings_mut().add_warning(warning);
146    }
147    for error in errors {
148        manifest.warnings_mut().add_critical_warning(error);
149    }
150
151    Ok(manifest)
152}
153
154#[tracing::instrument(skip_all)]
155fn read_toml_string(path: &Path, is_embedded: bool, gctx: &GlobalContext) -> CargoResult<String> {
156    let mut contents = paths::read(path).map_err(|err| ManifestError::new(err, path.into()))?;
157    if is_embedded {
158        if !gctx.cli_unstable().script {
159            anyhow::bail!("parsing `{}` requires `-Zscript`", path.display());
160        }
161        contents = embedded::expand_manifest(&contents)
162            .map_err(|e| emit_frontmatter_diagnostic(e, &contents, path, gctx))?;
163    }
164    Ok(contents)
165}
166
167#[tracing::instrument(skip_all)]
168fn parse_document(
169    contents: &str,
170) -> Result<toml::Spanned<toml::de::DeTable<'static>>, toml::de::Error> {
171    let mut table = toml::de::DeTable::parse(contents)?;
172    table.get_mut().make_owned();
173    // SAFETY: `DeTable::make_owned` ensures no borrows remain and the lifetime does not affect
174    // layout
175    let table = unsafe {
176        std::mem::transmute::<
177            toml::Spanned<toml::de::DeTable<'_>>,
178            toml::Spanned<toml::de::DeTable<'static>>,
179        >(table)
180    };
181    Ok(table)
182}
183
184#[tracing::instrument(skip_all)]
185fn deserialize_toml(
186    document: &toml::Spanned<toml::de::DeTable<'static>>,
187) -> Result<manifest::TomlManifest, toml::de::Error> {
188    let mut unused = BTreeSet::new();
189    let deserializer = toml::de::Deserializer::from(document.clone());
190    let mut document: manifest::TomlManifest = serde_ignored::deserialize(deserializer, |path| {
191        let mut key = String::new();
192        stringify(&mut key, &path);
193        unused.insert(key);
194    })?;
195    document._unused_keys = unused;
196    Ok(document)
197}
198
199fn stringify(dst: &mut String, path: &serde_ignored::Path<'_>) {
200    use serde_ignored::Path;
201
202    match *path {
203        Path::Root => {}
204        Path::Seq { parent, index } => {
205            stringify(dst, parent);
206            if !dst.is_empty() {
207                dst.push('.');
208            }
209            dst.push_str(&index.to_string());
210        }
211        Path::Map { parent, ref key } => {
212            stringify(dst, parent);
213            if !dst.is_empty() {
214                dst.push('.');
215            }
216            dst.push_str(key);
217        }
218        Path::Some { parent }
219        | Path::NewtypeVariant { parent }
220        | Path::NewtypeStruct { parent } => stringify(dst, parent),
221    }
222}
223
224fn to_workspace_config(
225    original_toml: &manifest::TomlManifest,
226    manifest_file: &Path,
227    is_embedded: bool,
228    gctx: &GlobalContext,
229    warnings: &mut Vec<String>,
230) -> CargoResult<WorkspaceConfig> {
231    if is_embedded {
232        let ws_root_config = to_workspace_root_config(&TomlWorkspace::default(), manifest_file);
233        return Ok(WorkspaceConfig::Root(ws_root_config));
234    }
235    let workspace_config = match (
236        original_toml.workspace.as_ref(),
237        original_toml.package().and_then(|p| p.workspace.as_ref()),
238    ) {
239        (Some(toml_config), None) => {
240            verify_lints(toml_config.lints.as_ref(), gctx, warnings)?;
241            if let Some(ws_deps) = &toml_config.dependencies {
242                for (name, dep) in ws_deps {
243                    if dep.is_optional() {
244                        bail!("{name} is optional, but workspace dependencies cannot be optional",);
245                    }
246                    if dep.is_public() {
247                        bail!("{name} is public, but workspace dependencies cannot be public",);
248                    }
249                }
250
251                for (name, dep) in ws_deps {
252                    unused_dep_keys(name, "workspace.dependencies", dep.unused_keys(), warnings);
253                }
254            }
255            let ws_root_config = to_workspace_root_config(toml_config, manifest_file);
256            WorkspaceConfig::Root(ws_root_config)
257        }
258        (None, root) => WorkspaceConfig::Member {
259            root: root.cloned(),
260        },
261        (Some(..), Some(..)) => bail!(
262            "cannot configure both `package.workspace` and \
263                 `[workspace]`, only one can be specified"
264        ),
265    };
266    Ok(workspace_config)
267}
268
269fn to_workspace_root_config(
270    normalized_toml: &manifest::TomlWorkspace,
271    manifest_file: &Path,
272) -> WorkspaceRootConfig {
273    let package_root = manifest_file.parent().unwrap();
274    let inheritable = InheritableFields {
275        package: normalized_toml.package.clone(),
276        dependencies: normalized_toml.dependencies.clone(),
277        lints: normalized_toml.lints.clone(),
278        _ws_root: package_root.to_owned(),
279    };
280    let ws_root_config = WorkspaceRootConfig::new(
281        package_root,
282        &normalized_toml.members,
283        &normalized_toml.default_members,
284        &normalized_toml.exclude,
285        &Some(inheritable),
286        &normalized_toml.metadata,
287    );
288    ws_root_config
289}
290
291/// See [`Manifest::normalized_toml`] for more details
292#[tracing::instrument(skip_all)]
293fn normalize_toml(
294    original_toml: &manifest::TomlManifest,
295    features: &Features,
296    workspace_config: &WorkspaceConfig,
297    manifest_file: &Path,
298    is_embedded: bool,
299    gctx: &GlobalContext,
300    warnings: &mut Vec<String>,
301    errors: &mut Vec<String>,
302) -> CargoResult<manifest::TomlManifest> {
303    let package_root = manifest_file.parent().unwrap();
304
305    let inherit_cell: OnceCell<InheritableFields> = OnceCell::new();
306    let inherit = || {
307        inherit_cell
308            .try_borrow_with(|| load_inheritable_fields(gctx, manifest_file, &workspace_config))
309    };
310    let workspace_root = || inherit().map(|fields| fields.ws_root().as_path());
311
312    let mut normalized_toml = manifest::TomlManifest {
313        cargo_features: original_toml.cargo_features.clone(),
314        package: None,
315        project: None,
316        badges: None,
317        features: None,
318        lib: None,
319        bin: None,
320        example: None,
321        test: None,
322        bench: None,
323        dependencies: None,
324        dev_dependencies: None,
325        dev_dependencies2: None,
326        build_dependencies: None,
327        build_dependencies2: None,
328        target: None,
329        lints: None,
330        hints: None,
331        workspace: original_toml.workspace.clone().or_else(|| {
332            // Prevent looking for a workspace by `read_manifest_from_str`
333            is_embedded.then(manifest::TomlWorkspace::default)
334        }),
335        profile: original_toml.profile.clone(),
336        patch: normalize_patch(
337            gctx,
338            original_toml.patch.as_ref(),
339            &workspace_root,
340            features,
341        )?,
342        replace: original_toml.replace.clone(),
343        _unused_keys: Default::default(),
344    };
345
346    if let Some(original_package) = original_toml.package().map(Cow::Borrowed).or_else(|| {
347        if is_embedded {
348            Some(Cow::Owned(Box::new(manifest::TomlPackage::default())))
349        } else {
350            None
351        }
352    }) {
353        let normalized_package = normalize_package_toml(
354            &original_package,
355            manifest_file,
356            is_embedded,
357            gctx,
358            &inherit,
359            features,
360        )?;
361        let package_name = &normalized_package
362            .normalized_name()
363            .expect("previously normalized")
364            .clone();
365        let edition = normalized_package
366            .normalized_edition()
367            .expect("previously normalized")
368            .map_or(Edition::default(), |e| {
369                Edition::from_str(&e).unwrap_or_default()
370            });
371        normalized_toml.package = Some(normalized_package);
372
373        normalized_toml.features = normalize_features(original_toml.features.as_ref())?;
374
375        let auto_embedded = is_embedded.then_some(false);
376        normalized_toml.lib = targets::normalize_lib(
377            original_toml.lib.as_ref(),
378            package_root,
379            package_name,
380            edition,
381            original_package.autolib.or(auto_embedded),
382            warnings,
383        )?;
384        let original_toml_bin = if is_embedded {
385            let name = package_name.as_ref().to_owned();
386            let manifest_file_name = manifest_file
387                .file_name()
388                .expect("file name enforced previously");
389            let path = PathBuf::from(manifest_file_name);
390            Cow::Owned(Some(vec![manifest::TomlBinTarget {
391                name: Some(name),
392                crate_type: None,
393                crate_type2: None,
394                path: Some(manifest::PathValue(path)),
395                filename: None,
396                test: None,
397                doctest: None,
398                bench: None,
399                doc: None,
400                doc_scrape_examples: None,
401                proc_macro: None,
402                proc_macro2: None,
403                harness: None,
404                required_features: None,
405                edition: None,
406            }]))
407        } else {
408            Cow::Borrowed(&original_toml.bin)
409        };
410        normalized_toml.bin = Some(targets::normalize_bins(
411            original_toml_bin.as_ref().as_ref(),
412            package_root,
413            package_name,
414            edition,
415            original_package.autobins.or(auto_embedded),
416            warnings,
417            errors,
418            normalized_toml.lib.is_some(),
419        )?);
420        normalized_toml.example = Some(targets::normalize_examples(
421            original_toml.example.as_ref(),
422            package_root,
423            edition,
424            original_package.autoexamples.or(auto_embedded),
425            warnings,
426            errors,
427        )?);
428        normalized_toml.test = Some(targets::normalize_tests(
429            original_toml.test.as_ref(),
430            package_root,
431            edition,
432            original_package.autotests.or(auto_embedded),
433            warnings,
434            errors,
435        )?);
436        normalized_toml.bench = Some(targets::normalize_benches(
437            original_toml.bench.as_ref(),
438            package_root,
439            edition,
440            original_package.autobenches.or(auto_embedded),
441            warnings,
442            errors,
443        )?);
444
445        normalized_toml.dependencies = normalize_dependencies(
446            gctx,
447            edition,
448            &features,
449            original_toml.dependencies.as_ref(),
450            DepKind::Normal,
451            &inherit,
452            &workspace_root,
453            package_root,
454            warnings,
455        )?;
456        deprecated_underscore(
457            &original_toml.dev_dependencies2,
458            &original_toml.dev_dependencies,
459            "dev-dependencies",
460            package_name,
461            "package",
462            edition,
463            warnings,
464        )?;
465        normalized_toml.dev_dependencies = normalize_dependencies(
466            gctx,
467            edition,
468            &features,
469            original_toml.dev_dependencies(),
470            DepKind::Development,
471            &inherit,
472            &workspace_root,
473            package_root,
474            warnings,
475        )?;
476        deprecated_underscore(
477            &original_toml.build_dependencies2,
478            &original_toml.build_dependencies,
479            "build-dependencies",
480            package_name,
481            "package",
482            edition,
483            warnings,
484        )?;
485        normalized_toml.build_dependencies = normalize_dependencies(
486            gctx,
487            edition,
488            &features,
489            original_toml.build_dependencies(),
490            DepKind::Build,
491            &inherit,
492            &workspace_root,
493            package_root,
494            warnings,
495        )?;
496        let mut normalized_target = BTreeMap::new();
497        for (name, platform) in original_toml.target.iter().flatten() {
498            let normalized_dependencies = normalize_dependencies(
499                gctx,
500                edition,
501                &features,
502                platform.dependencies.as_ref(),
503                DepKind::Normal,
504                &inherit,
505                &workspace_root,
506                package_root,
507                warnings,
508            )?;
509            deprecated_underscore(
510                &platform.dev_dependencies2,
511                &platform.dev_dependencies,
512                "dev-dependencies",
513                name,
514                "platform target",
515                edition,
516                warnings,
517            )?;
518            let normalized_dev_dependencies = normalize_dependencies(
519                gctx,
520                edition,
521                &features,
522                platform.dev_dependencies(),
523                DepKind::Development,
524                &inherit,
525                &workspace_root,
526                package_root,
527                warnings,
528            )?;
529            deprecated_underscore(
530                &platform.build_dependencies2,
531                &platform.build_dependencies,
532                "build-dependencies",
533                name,
534                "platform target",
535                edition,
536                warnings,
537            )?;
538            let normalized_build_dependencies = normalize_dependencies(
539                gctx,
540                edition,
541                &features,
542                platform.build_dependencies(),
543                DepKind::Build,
544                &inherit,
545                &workspace_root,
546                package_root,
547                warnings,
548            )?;
549            normalized_target.insert(
550                name.clone(),
551                manifest::TomlPlatform {
552                    dependencies: normalized_dependencies,
553                    build_dependencies: normalized_build_dependencies,
554                    build_dependencies2: None,
555                    dev_dependencies: normalized_dev_dependencies,
556                    dev_dependencies2: None,
557                },
558            );
559        }
560        normalized_toml.target = (!normalized_target.is_empty()).then_some(normalized_target);
561
562        let normalized_lints = original_toml
563            .lints
564            .clone()
565            .map(|value| lints_inherit_with(value, || inherit()?.lints()))
566            .transpose()?;
567        normalized_toml.lints = normalized_lints.map(|lints| manifest::InheritableLints {
568            workspace: false,
569            lints,
570        });
571
572        normalized_toml.hints = original_toml.hints.clone();
573
574        normalized_toml.badges = original_toml.badges.clone();
575    } else {
576        if let Some(field) = original_toml.requires_package().next() {
577            bail!("this virtual manifest specifies a `{field}` section, which is not allowed");
578        }
579    }
580
581    Ok(normalized_toml)
582}
583
584fn normalize_patch<'a>(
585    gctx: &GlobalContext,
586    original_patch: Option<&BTreeMap<String, BTreeMap<PackageName, TomlDependency>>>,
587    workspace_root: &dyn Fn() -> CargoResult<&'a Path>,
588    features: &Features,
589) -> CargoResult<Option<BTreeMap<String, BTreeMap<PackageName, TomlDependency>>>> {
590    if let Some(patch) = original_patch {
591        let mut normalized_patch = BTreeMap::new();
592        for (name, packages) in patch {
593            let mut normalized_packages = BTreeMap::new();
594            for (pkg, dep) in packages {
595                let dep = if let TomlDependency::Detailed(dep) = dep {
596                    let mut dep = dep.clone();
597                    normalize_path_dependency(gctx, &mut dep, workspace_root, features)
598                        .with_context(|| {
599                            format!("resolving path for patch of ({pkg}) for source ({name})")
600                        })?;
601                    TomlDependency::Detailed(dep)
602                } else {
603                    dep.clone()
604                };
605                normalized_packages.insert(pkg.clone(), dep);
606            }
607            normalized_patch.insert(name.clone(), normalized_packages);
608        }
609        Ok(Some(normalized_patch))
610    } else {
611        Ok(None)
612    }
613}
614
615#[tracing::instrument(skip_all)]
616fn normalize_package_toml<'a>(
617    original_package: &manifest::TomlPackage,
618    manifest_file: &Path,
619    is_embedded: bool,
620    gctx: &GlobalContext,
621    inherit: &dyn Fn() -> CargoResult<&'a InheritableFields>,
622    features: &Features,
623) -> CargoResult<Box<manifest::TomlPackage>> {
624    let package_root = manifest_file.parent().unwrap();
625
626    let edition = original_package
627        .edition
628        .clone()
629        .map(|value| field_inherit_with(value, "edition", || inherit()?.edition()))
630        .transpose()?
631        .map(manifest::InheritableField::Value)
632        .or_else(|| {
633            if is_embedded {
634                const DEFAULT_EDITION: crate::core::features::Edition =
635                    crate::core::features::Edition::LATEST_STABLE;
636                let _ = gctx.shell().warn(format_args!(
637                    "`package.edition` is unspecified, defaulting to `{}`",
638                    DEFAULT_EDITION
639                ));
640                Some(manifest::InheritableField::Value(
641                    DEFAULT_EDITION.to_string(),
642                ))
643            } else {
644                None
645            }
646        });
647    let rust_version = original_package
648        .rust_version
649        .clone()
650        .map(|value| field_inherit_with(value, "rust-version", || inherit()?.rust_version()))
651        .transpose()?
652        .map(manifest::InheritableField::Value);
653    let name = Some(
654        original_package
655            .name
656            .clone()
657            .or_else(|| {
658                if is_embedded {
659                    let file_stem = manifest_file
660                        .file_stem()
661                        .expect("file name enforced previously")
662                        .to_string_lossy();
663                    let name = embedded::sanitize_name(file_stem.as_ref());
664                    let name =
665                        manifest::PackageName::new(name).expect("sanitize made the name valid");
666                    Some(name)
667                } else {
668                    None
669                }
670            })
671            .ok_or_else(|| anyhow::format_err!("missing field `package.name`"))?,
672    );
673    let version = original_package
674        .version
675        .clone()
676        .map(|value| field_inherit_with(value, "version", || inherit()?.version()))
677        .transpose()?
678        .map(manifest::InheritableField::Value);
679    let authors = original_package
680        .authors
681        .clone()
682        .map(|value| field_inherit_with(value, "authors", || inherit()?.authors()))
683        .transpose()?
684        .map(manifest::InheritableField::Value);
685    let build = if is_embedded {
686        Some(TomlPackageBuild::Auto(false))
687    } else {
688        if let Some(TomlPackageBuild::MultipleScript(_)) = original_package.build {
689            features.require(Feature::multiple_build_scripts())?;
690        }
691        targets::normalize_build(original_package.build.as_ref(), package_root)?
692    };
693    let metabuild = original_package.metabuild.clone();
694    let default_target = original_package.default_target.clone();
695    let forced_target = original_package.forced_target.clone();
696    let links = original_package.links.clone();
697    let exclude = original_package
698        .exclude
699        .clone()
700        .map(|value| field_inherit_with(value, "exclude", || inherit()?.exclude()))
701        .transpose()?
702        .map(manifest::InheritableField::Value);
703    let include = original_package
704        .include
705        .clone()
706        .map(|value| field_inherit_with(value, "include", || inherit()?.include()))
707        .transpose()?
708        .map(manifest::InheritableField::Value);
709    let publish = original_package
710        .publish
711        .clone()
712        .map(|value| field_inherit_with(value, "publish", || inherit()?.publish()))
713        .transpose()?
714        .map(manifest::InheritableField::Value);
715    let workspace = original_package.workspace.clone();
716    let im_a_teapot = original_package.im_a_teapot.clone();
717    let autolib = Some(false);
718    let autobins = Some(false);
719    let autoexamples = Some(false);
720    let autotests = Some(false);
721    let autobenches = Some(false);
722    let default_run = original_package.default_run.clone();
723    let description = original_package
724        .description
725        .clone()
726        .map(|value| field_inherit_with(value, "description", || inherit()?.description()))
727        .transpose()?
728        .map(manifest::InheritableField::Value);
729    let homepage = original_package
730        .homepage
731        .clone()
732        .map(|value| field_inherit_with(value, "homepage", || inherit()?.homepage()))
733        .transpose()?
734        .map(manifest::InheritableField::Value);
735    let documentation = original_package
736        .documentation
737        .clone()
738        .map(|value| field_inherit_with(value, "documentation", || inherit()?.documentation()))
739        .transpose()?
740        .map(manifest::InheritableField::Value);
741    let readme = normalize_package_readme(
742        package_root,
743        original_package
744            .readme
745            .clone()
746            .map(|value| field_inherit_with(value, "readme", || inherit()?.readme(package_root)))
747            .transpose()?
748            .as_ref(),
749    )
750    .map(|s| manifest::InheritableField::Value(StringOrBool::String(s)))
751    .or(Some(manifest::InheritableField::Value(StringOrBool::Bool(
752        false,
753    ))));
754    let keywords = original_package
755        .keywords
756        .clone()
757        .map(|value| field_inherit_with(value, "keywords", || inherit()?.keywords()))
758        .transpose()?
759        .map(manifest::InheritableField::Value);
760    let categories = original_package
761        .categories
762        .clone()
763        .map(|value| field_inherit_with(value, "categories", || inherit()?.categories()))
764        .transpose()?
765        .map(manifest::InheritableField::Value);
766    let license = original_package
767        .license
768        .clone()
769        .map(|value| field_inherit_with(value, "license", || inherit()?.license()))
770        .transpose()?
771        .map(manifest::InheritableField::Value);
772    let license_file = original_package
773        .license_file
774        .clone()
775        .map(|value| {
776            field_inherit_with(value, "license-file", || {
777                inherit()?.license_file(package_root)
778            })
779        })
780        .transpose()?
781        .map(manifest::InheritableField::Value);
782    let repository = original_package
783        .repository
784        .clone()
785        .map(|value| field_inherit_with(value, "repository", || inherit()?.repository()))
786        .transpose()?
787        .map(manifest::InheritableField::Value);
788    let resolver = original_package.resolver.clone();
789    let metadata = original_package.metadata.clone();
790
791    let normalized_package = manifest::TomlPackage {
792        edition,
793        rust_version,
794        name,
795        version,
796        authors,
797        build,
798        metabuild,
799        default_target,
800        forced_target,
801        links,
802        exclude,
803        include,
804        publish,
805        workspace,
806        im_a_teapot,
807        autolib,
808        autobins,
809        autoexamples,
810        autotests,
811        autobenches,
812        default_run,
813        description,
814        homepage,
815        documentation,
816        readme,
817        keywords,
818        categories,
819        license,
820        license_file,
821        repository,
822        resolver,
823        metadata,
824        _invalid_cargo_features: Default::default(),
825    };
826
827    Ok(Box::new(normalized_package))
828}
829
830/// Returns the name of the README file for a [`manifest::TomlPackage`].
831fn normalize_package_readme(
832    package_root: &Path,
833    readme: Option<&manifest::StringOrBool>,
834) -> Option<String> {
835    match &readme {
836        None => default_readme_from_package_root(package_root),
837        Some(value) => match value {
838            manifest::StringOrBool::Bool(false) => None,
839            manifest::StringOrBool::Bool(true) => Some("README.md".to_string()),
840            manifest::StringOrBool::String(v) => Some(v.clone()),
841        },
842    }
843}
844
845const DEFAULT_README_FILES: [&str; 3] = ["README.md", "README.txt", "README"];
846
847/// Checks if a file with any of the default README file names exists in the package root.
848/// If so, returns a `String` representing that name.
849fn default_readme_from_package_root(package_root: &Path) -> Option<String> {
850    for &readme_filename in DEFAULT_README_FILES.iter() {
851        if package_root.join(readme_filename).is_file() {
852            return Some(readme_filename.to_string());
853        }
854    }
855
856    None
857}
858
859#[tracing::instrument(skip_all)]
860fn normalize_features(
861    original_features: Option<&BTreeMap<manifest::FeatureName, Vec<String>>>,
862) -> CargoResult<Option<BTreeMap<manifest::FeatureName, Vec<String>>>> {
863    let Some(normalized_features) = original_features.cloned() else {
864        return Ok(None);
865    };
866
867    Ok(Some(normalized_features))
868}
869
870#[tracing::instrument(skip_all)]
871fn normalize_dependencies<'a>(
872    gctx: &GlobalContext,
873    edition: Edition,
874    features: &Features,
875    orig_deps: Option<&BTreeMap<manifest::PackageName, manifest::InheritableDependency>>,
876    kind: DepKind,
877    inherit: &dyn Fn() -> CargoResult<&'a InheritableFields>,
878    workspace_root: &dyn Fn() -> CargoResult<&'a Path>,
879    package_root: &Path,
880    warnings: &mut Vec<String>,
881) -> CargoResult<Option<BTreeMap<manifest::PackageName, manifest::InheritableDependency>>> {
882    let Some(dependencies) = orig_deps else {
883        return Ok(None);
884    };
885
886    let mut deps = BTreeMap::new();
887    for (name_in_toml, v) in dependencies.iter() {
888        let mut resolved = dependency_inherit_with(
889            v.clone(),
890            name_in_toml,
891            inherit,
892            package_root,
893            edition,
894            warnings,
895        )?;
896        if let manifest::TomlDependency::Detailed(ref mut d) = resolved {
897            deprecated_underscore(
898                &d.default_features2,
899                &d.default_features,
900                "default-features",
901                name_in_toml,
902                "dependency",
903                edition,
904                warnings,
905            )?;
906            if d.public.is_some() {
907                let with_public_feature = features.require(Feature::public_dependency()).is_ok();
908                let with_z_public = gctx.cli_unstable().public_dependency;
909                match kind {
910                    DepKind::Normal => {
911                        if !with_public_feature && !with_z_public {
912                            d.public = None;
913                            warnings.push(format!(
914                                "ignoring `public` on dependency {name_in_toml}, pass `-Zpublic-dependency` to enable support for it"
915                            ));
916                        }
917                    }
918                    DepKind::Development | DepKind::Build => {
919                        let kind_name = kind.kind_table();
920                        let hint = format!(
921                            "'public' specifier can only be used on regular dependencies, not {kind_name}",
922                        );
923                        if with_public_feature || with_z_public {
924                            bail!(hint)
925                        } else {
926                            // If public feature isn't enabled in nightly, we instead warn that.
927                            warnings.push(hint);
928                            d.public = None;
929                        }
930                    }
931                }
932            }
933            normalize_path_dependency(gctx, d, workspace_root, features)
934                .with_context(|| format!("resolving path dependency {name_in_toml}"))?;
935        }
936
937        deps.insert(
938            name_in_toml.clone(),
939            manifest::InheritableDependency::Value(resolved.clone()),
940        );
941    }
942    Ok(Some(deps))
943}
944
945fn normalize_path_dependency<'a>(
946    gctx: &GlobalContext,
947    detailed_dep: &mut TomlDetailedDependency,
948    workspace_root: &dyn Fn() -> CargoResult<&'a Path>,
949    features: &Features,
950) -> CargoResult<()> {
951    if let Some(base) = detailed_dep.base.take() {
952        if let Some(path) = detailed_dep.path.as_mut() {
953            let new_path = lookup_path_base(&base, gctx, workspace_root, features)?.join(&path);
954            *path = new_path.to_str().unwrap().to_string();
955        } else {
956            bail!("`base` can only be used with path dependencies");
957        }
958    }
959    Ok(())
960}
961
962fn load_inheritable_fields(
963    gctx: &GlobalContext,
964    normalized_path: &Path,
965    workspace_config: &WorkspaceConfig,
966) -> CargoResult<InheritableFields> {
967    match workspace_config {
968        WorkspaceConfig::Root(root) => Ok(root.inheritable().clone()),
969        WorkspaceConfig::Member {
970            root: Some(path_to_root),
971        } => {
972            let path = normalized_path
973                .parent()
974                .unwrap()
975                .join(path_to_root)
976                .join("Cargo.toml");
977            let root_path = paths::normalize_path(&path);
978            inheritable_from_path(gctx, root_path)
979        }
980        WorkspaceConfig::Member { root: None } => {
981            match find_workspace_root(&normalized_path, gctx)? {
982                Some(path_to_root) => inheritable_from_path(gctx, path_to_root),
983                None => Err(anyhow!("failed to find a workspace root")),
984            }
985        }
986    }
987}
988
989fn inheritable_from_path(
990    gctx: &GlobalContext,
991    workspace_path: PathBuf,
992) -> CargoResult<InheritableFields> {
993    // Workspace path should have Cargo.toml at the end
994    let workspace_path_root = workspace_path.parent().unwrap();
995
996    // Let the borrow exit scope so that it can be picked up if there is a need to
997    // read a manifest
998    if let Some(ws_root) = gctx.ws_roots().get(workspace_path_root) {
999        return Ok(ws_root.inheritable().clone());
1000    };
1001
1002    let source_id = SourceId::for_manifest_path(&workspace_path)?;
1003    let man = read_manifest(&workspace_path, source_id, gctx)?;
1004    match man.workspace_config() {
1005        WorkspaceConfig::Root(root) => {
1006            gctx.ws_roots().insert(workspace_path, root.clone());
1007            Ok(root.inheritable().clone())
1008        }
1009        _ => bail!(
1010            "root of a workspace inferred but wasn't a root: {}",
1011            workspace_path.display()
1012        ),
1013    }
1014}
1015
1016/// Defines simple getter methods for inheritable fields.
1017macro_rules! package_field_getter {
1018    ( $(($key:literal, $field:ident -> $ret:ty),)* ) => (
1019        $(
1020            #[doc = concat!("Gets the field `workspace.package.", $key, "`.")]
1021            fn $field(&self) -> CargoResult<$ret> {
1022                let Some(val) = self.package.as_ref().and_then(|p| p.$field.as_ref()) else  {
1023                    bail!("`workspace.package.{}` was not defined", $key);
1024                };
1025                Ok(val.clone())
1026            }
1027        )*
1028    )
1029}
1030
1031/// A group of fields that are inheritable by members of the workspace
1032#[derive(Clone, Debug, Default)]
1033pub struct InheritableFields {
1034    package: Option<manifest::InheritablePackage>,
1035    dependencies: Option<BTreeMap<manifest::PackageName, manifest::TomlDependency>>,
1036    lints: Option<manifest::TomlLints>,
1037
1038    // Bookkeeping to help when resolving values from above
1039    _ws_root: PathBuf,
1040}
1041
1042impl InheritableFields {
1043    package_field_getter! {
1044        // Please keep this list lexicographically ordered.
1045        ("authors",       authors       -> Vec<String>),
1046        ("categories",    categories    -> Vec<String>),
1047        ("description",   description   -> String),
1048        ("documentation", documentation -> String),
1049        ("edition",       edition       -> String),
1050        ("exclude",       exclude       -> Vec<String>),
1051        ("homepage",      homepage      -> String),
1052        ("include",       include       -> Vec<String>),
1053        ("keywords",      keywords      -> Vec<String>),
1054        ("license",       license       -> String),
1055        ("publish",       publish       -> manifest::VecStringOrBool),
1056        ("repository",    repository    -> String),
1057        ("rust-version",  rust_version  -> RustVersion),
1058        ("version",       version       -> semver::Version),
1059    }
1060
1061    /// Gets a workspace dependency with the `name`.
1062    fn get_dependency(
1063        &self,
1064        name: &str,
1065        package_root: &Path,
1066    ) -> CargoResult<manifest::TomlDependency> {
1067        let Some(deps) = &self.dependencies else {
1068            bail!("`workspace.dependencies` was not defined");
1069        };
1070        let Some(dep) = deps.get(name) else {
1071            bail!("`dependency.{name}` was not found in `workspace.dependencies`");
1072        };
1073        let mut dep = dep.clone();
1074        if let manifest::TomlDependency::Detailed(detailed) = &mut dep {
1075            if detailed.base.is_none() {
1076                // If this is a path dependency without a base, then update the path to be relative
1077                // to the workspace root instead.
1078                if let Some(rel_path) = &detailed.path {
1079                    detailed.path = Some(resolve_relative_path(
1080                        name,
1081                        self.ws_root(),
1082                        package_root,
1083                        rel_path,
1084                    )?);
1085                }
1086            }
1087        }
1088        Ok(dep)
1089    }
1090
1091    /// Gets the field `workspace.lints`.
1092    pub fn lints(&self) -> CargoResult<manifest::TomlLints> {
1093        let Some(val) = &self.lints else {
1094            bail!("`workspace.lints` was not defined");
1095        };
1096        Ok(val.clone())
1097    }
1098
1099    /// Gets the field `workspace.package.license-file`.
1100    fn license_file(&self, package_root: &Path) -> CargoResult<String> {
1101        let Some(license_file) = self.package.as_ref().and_then(|p| p.license_file.as_ref()) else {
1102            bail!("`workspace.package.license-file` was not defined");
1103        };
1104        resolve_relative_path("license-file", &self._ws_root, package_root, license_file)
1105    }
1106
1107    /// Gets the field `workspace.package.readme`.
1108    fn readme(&self, package_root: &Path) -> CargoResult<manifest::StringOrBool> {
1109        let Some(readme) = normalize_package_readme(
1110            self._ws_root.as_path(),
1111            self.package.as_ref().and_then(|p| p.readme.as_ref()),
1112        ) else {
1113            bail!("`workspace.package.readme` was not defined");
1114        };
1115        resolve_relative_path("readme", &self._ws_root, package_root, &readme)
1116            .map(manifest::StringOrBool::String)
1117    }
1118
1119    fn ws_root(&self) -> &PathBuf {
1120        &self._ws_root
1121    }
1122}
1123
1124fn field_inherit_with<'a, T>(
1125    field: manifest::InheritableField<T>,
1126    label: &str,
1127    get_ws_inheritable: impl FnOnce() -> CargoResult<T>,
1128) -> CargoResult<T> {
1129    match field {
1130        manifest::InheritableField::Value(value) => Ok(value),
1131        manifest::InheritableField::Inherit(_) => get_ws_inheritable().with_context(|| {
1132            format!(
1133                "error inheriting `{label}` from workspace root manifest's `workspace.package.{label}`",
1134            )
1135        }),
1136    }
1137}
1138
1139fn lints_inherit_with(
1140    lints: manifest::InheritableLints,
1141    get_ws_inheritable: impl FnOnce() -> CargoResult<manifest::TomlLints>,
1142) -> CargoResult<manifest::TomlLints> {
1143    if lints.workspace {
1144        if !lints.lints.is_empty() {
1145            anyhow::bail!(
1146                "cannot override `workspace.lints` in `lints`, either remove the overrides or `lints.workspace = true` and manually specify the lints"
1147            );
1148        }
1149        get_ws_inheritable().with_context(
1150            || "error inheriting `lints` from workspace root manifest's `workspace.lints`",
1151        )
1152    } else {
1153        Ok(lints.lints)
1154    }
1155}
1156
1157fn dependency_inherit_with<'a>(
1158    dependency: manifest::InheritableDependency,
1159    name: &str,
1160    inherit: &dyn Fn() -> CargoResult<&'a InheritableFields>,
1161    package_root: &Path,
1162    edition: Edition,
1163    warnings: &mut Vec<String>,
1164) -> CargoResult<manifest::TomlDependency> {
1165    match dependency {
1166        manifest::InheritableDependency::Value(value) => Ok(value),
1167        manifest::InheritableDependency::Inherit(w) => {
1168            inner_dependency_inherit_with(w, name, inherit, package_root, edition, warnings).with_context(|| {
1169                format!(
1170                    "error inheriting `{name}` from workspace root manifest's `workspace.dependencies.{name}`",
1171                )
1172            })
1173        }
1174    }
1175}
1176
1177fn inner_dependency_inherit_with<'a>(
1178    pkg_dep: manifest::TomlInheritedDependency,
1179    name: &str,
1180    inherit: &dyn Fn() -> CargoResult<&'a InheritableFields>,
1181    package_root: &Path,
1182    edition: Edition,
1183    warnings: &mut Vec<String>,
1184) -> CargoResult<manifest::TomlDependency> {
1185    let ws_dep = inherit()?.get_dependency(name, package_root)?;
1186    let mut merged_dep = match ws_dep {
1187        manifest::TomlDependency::Simple(ws_version) => manifest::TomlDetailedDependency {
1188            version: Some(ws_version),
1189            ..Default::default()
1190        },
1191        manifest::TomlDependency::Detailed(ws_dep) => ws_dep.clone(),
1192    };
1193    let manifest::TomlInheritedDependency {
1194        workspace: _,
1195
1196        features,
1197        optional,
1198        default_features,
1199        default_features2,
1200        public,
1201
1202        _unused_keys: _,
1203    } = &pkg_dep;
1204    let default_features = default_features.or(*default_features2);
1205
1206    match (default_features, merged_dep.default_features()) {
1207        // member: default-features = true and
1208        // workspace: default-features = false should turn on
1209        // default-features
1210        (Some(true), Some(false)) => {
1211            merged_dep.default_features = Some(true);
1212        }
1213        // member: default-features = false and
1214        // workspace: default-features = true should ignore member
1215        // default-features
1216        (Some(false), Some(true)) => {
1217            deprecated_ws_default_features(name, Some(true), edition, warnings)?;
1218        }
1219        // member: default-features = false and
1220        // workspace: dep = "1.0" should ignore member default-features
1221        (Some(false), None) => {
1222            deprecated_ws_default_features(name, None, edition, warnings)?;
1223        }
1224        _ => {}
1225    }
1226    merged_dep.features = match (merged_dep.features.clone(), features.clone()) {
1227        (Some(dep_feat), Some(inherit_feat)) => Some(
1228            dep_feat
1229                .into_iter()
1230                .chain(inherit_feat)
1231                .collect::<Vec<String>>(),
1232        ),
1233        (Some(dep_fet), None) => Some(dep_fet),
1234        (None, Some(inherit_feat)) => Some(inherit_feat),
1235        (None, None) => None,
1236    };
1237    merged_dep.optional = *optional;
1238    merged_dep.public = *public;
1239    Ok(manifest::TomlDependency::Detailed(merged_dep))
1240}
1241
1242fn deprecated_ws_default_features(
1243    label: &str,
1244    ws_def_feat: Option<bool>,
1245    edition: Edition,
1246    warnings: &mut Vec<String>,
1247) -> CargoResult<()> {
1248    let ws_def_feat = match ws_def_feat {
1249        Some(true) => "true",
1250        Some(false) => "false",
1251        None => "not specified",
1252    };
1253    if Edition::Edition2024 <= edition {
1254        anyhow::bail!("`default-features = false` cannot override workspace's `default-features`");
1255    } else {
1256        warnings.push(format!(
1257            "`default-features` is ignored for {label}, since `default-features` was \
1258                {ws_def_feat} for `workspace.dependencies.{label}`, \
1259                this could become a hard error in the future"
1260        ));
1261    }
1262    Ok(())
1263}
1264
1265#[tracing::instrument(skip_all)]
1266pub fn to_real_manifest(
1267    contents: String,
1268    document: toml::Spanned<toml::de::DeTable<'static>>,
1269    original_toml: manifest::TomlManifest,
1270    normalized_toml: manifest::TomlManifest,
1271    features: Features,
1272    workspace_config: WorkspaceConfig,
1273    source_id: SourceId,
1274    manifest_file: &Path,
1275    is_embedded: bool,
1276    gctx: &GlobalContext,
1277    warnings: &mut Vec<String>,
1278    _errors: &mut Vec<String>,
1279) -> CargoResult<Manifest> {
1280    let package_root = manifest_file.parent().unwrap();
1281    if !package_root.is_dir() {
1282        bail!(
1283            "package root '{}' is not a directory",
1284            package_root.display()
1285        );
1286    };
1287
1288    let normalized_package = normalized_toml
1289        .package()
1290        .expect("previously verified to have a `[package]`");
1291    let package_name = normalized_package
1292        .normalized_name()
1293        .expect("previously normalized");
1294    if package_name.contains(':') {
1295        features.require(Feature::open_namespaces())?;
1296    }
1297    let rust_version = normalized_package
1298        .normalized_rust_version()
1299        .expect("previously normalized")
1300        .cloned();
1301
1302    let edition = if let Some(edition) = normalized_package
1303        .normalized_edition()
1304        .expect("previously normalized")
1305    {
1306        let edition: Edition = edition
1307            .parse()
1308            .context("failed to parse the `edition` key")?;
1309        if let Some(pkg_msrv) = &rust_version {
1310            if let Some(edition_msrv) = edition.first_version() {
1311                let edition_msrv = RustVersion::try_from(edition_msrv).unwrap();
1312                if !edition_msrv.is_compatible_with(pkg_msrv.as_partial()) {
1313                    bail!(
1314                        "rust-version {} is incompatible with the version ({}) required by \
1315                            the specified edition ({})",
1316                        pkg_msrv,
1317                        edition_msrv,
1318                        edition,
1319                    )
1320                }
1321            }
1322        }
1323        edition
1324    } else {
1325        let msrv_edition = if let Some(pkg_msrv) = &rust_version {
1326            Edition::ALL
1327                .iter()
1328                .filter(|e| {
1329                    e.first_version()
1330                        .map(|e| {
1331                            let e = RustVersion::try_from(e).unwrap();
1332                            e.is_compatible_with(pkg_msrv.as_partial())
1333                        })
1334                        .unwrap_or_default()
1335                })
1336                .max()
1337                .copied()
1338        } else {
1339            None
1340        }
1341        .unwrap_or_default();
1342        let default_edition = Edition::default();
1343        let latest_edition = Edition::LATEST_STABLE;
1344
1345        // We're trying to help the user who might assume they are using a new edition,
1346        // so if they can't use a new edition, don't bother to tell them to set it.
1347        // This also avoids having to worry about whether `package.edition` is compatible with
1348        // their MSRV.
1349        if msrv_edition != default_edition || rust_version.is_none() {
1350            let tip = if msrv_edition == latest_edition || rust_version.is_none() {
1351                format!(" while the latest is {latest_edition}")
1352            } else {
1353                format!(" while {msrv_edition} is compatible with `rust-version`")
1354            };
1355            warnings.push(format!(
1356                "no edition set: defaulting to the {default_edition} edition{tip}",
1357            ));
1358        }
1359        default_edition
1360    };
1361    if !edition.is_stable() {
1362        features.require(Feature::unstable_editions())?;
1363    }
1364
1365    if original_toml.project.is_some() {
1366        if Edition::Edition2024 <= edition {
1367            anyhow::bail!(
1368                "`[project]` is not supported as of the 2024 Edition, please use `[package]`"
1369            );
1370        } else {
1371            warnings.push(format!("`[project]` is deprecated in favor of `[package]`"));
1372        }
1373    }
1374
1375    if normalized_package.metabuild.is_some() {
1376        features.require(Feature::metabuild())?;
1377    }
1378
1379    if is_embedded {
1380        let manifest::TomlManifest {
1381            cargo_features: _,
1382            package: _,
1383            project: _,
1384            badges: _,
1385            features: _,
1386            lib,
1387            bin,
1388            example,
1389            test,
1390            bench,
1391            dependencies: _,
1392            dev_dependencies: _,
1393            dev_dependencies2: _,
1394            build_dependencies,
1395            build_dependencies2,
1396            target: _,
1397            lints: _,
1398            hints: _,
1399            workspace,
1400            profile: _,
1401            patch: _,
1402            replace: _,
1403            _unused_keys: _,
1404        } = &original_toml;
1405        let mut invalid_fields = vec![
1406            ("`workspace`", workspace.is_some()),
1407            ("`lib`", lib.is_some()),
1408            ("`bin`", bin.is_some()),
1409            ("`example`", example.is_some()),
1410            ("`test`", test.is_some()),
1411            ("`bench`", bench.is_some()),
1412            ("`build-dependencies`", build_dependencies.is_some()),
1413            ("`build_dependencies`", build_dependencies2.is_some()),
1414        ];
1415        if let Some(package) = original_toml.package() {
1416            let manifest::TomlPackage {
1417                edition: _,
1418                rust_version: _,
1419                name: _,
1420                version: _,
1421                authors: _,
1422                build,
1423                metabuild,
1424                default_target: _,
1425                forced_target: _,
1426                links,
1427                exclude: _,
1428                include: _,
1429                publish: _,
1430                workspace,
1431                im_a_teapot: _,
1432                autolib,
1433                autobins,
1434                autoexamples,
1435                autotests,
1436                autobenches,
1437                default_run,
1438                description: _,
1439                homepage: _,
1440                documentation: _,
1441                readme: _,
1442                keywords: _,
1443                categories: _,
1444                license: _,
1445                license_file: _,
1446                repository: _,
1447                resolver: _,
1448                metadata: _,
1449                _invalid_cargo_features: _,
1450            } = package.as_ref();
1451            invalid_fields.extend([
1452                ("`package.workspace`", workspace.is_some()),
1453                ("`package.build`", build.is_some()),
1454                ("`package.metabuild`", metabuild.is_some()),
1455                ("`package.links`", links.is_some()),
1456                ("`package.autolib`", autolib.is_some()),
1457                ("`package.autobins`", autobins.is_some()),
1458                ("`package.autoexamples`", autoexamples.is_some()),
1459                ("`package.autotests`", autotests.is_some()),
1460                ("`package.autobenches`", autobenches.is_some()),
1461                ("`package.default-run`", default_run.is_some()),
1462            ]);
1463        }
1464        let invalid_fields = invalid_fields
1465            .into_iter()
1466            .filter_map(|(name, invalid)| invalid.then_some(name))
1467            .collect::<Vec<_>>();
1468        if !invalid_fields.is_empty() {
1469            let fields = invalid_fields.join(", ");
1470            let are = if invalid_fields.len() == 1 {
1471                "is"
1472            } else {
1473                "are"
1474            };
1475            anyhow::bail!("{fields} {are} not allowed in embedded manifests")
1476        }
1477    }
1478
1479    let resolve_behavior = match (
1480        normalized_package.resolver.as_ref(),
1481        normalized_toml
1482            .workspace
1483            .as_ref()
1484            .and_then(|ws| ws.resolver.as_ref()),
1485    ) {
1486        (None, None) => None,
1487        (Some(s), None) | (None, Some(s)) => Some(ResolveBehavior::from_manifest(s)?),
1488        (Some(_), Some(_)) => {
1489            bail!("cannot specify `resolver` field in both `[workspace]` and `[package]`")
1490        }
1491    };
1492
1493    // If we have no lib at all, use the inferred lib, if available.
1494    // If we have a lib with a path, we're done.
1495    // If we have a lib with no path, use the inferred lib or else the package name.
1496    let targets = to_targets(
1497        &features,
1498        &original_toml,
1499        &normalized_toml,
1500        package_root,
1501        edition,
1502        &normalized_package.metabuild,
1503        warnings,
1504    )?;
1505
1506    if targets.iter().all(|t| t.is_custom_build()) {
1507        bail!(
1508            "no targets specified in the manifest\n\
1509                 either src/lib.rs, src/main.rs, a [lib] section, or \
1510                 [[bin]] section must be present"
1511        )
1512    }
1513
1514    if let Err(conflict_targets) = unique_build_targets(&targets, package_root) {
1515        conflict_targets
1516            .iter()
1517            .for_each(|(target_path, conflicts)| {
1518                warnings.push(format!(
1519                    "file `{}` found to be present in multiple \
1520                 build targets:\n{}",
1521                    target_path.display(),
1522                    conflicts
1523                        .iter()
1524                        .map(|t| format!("  * `{}` target `{}`", t.kind().description(), t.name(),))
1525                        .join("\n")
1526                ));
1527            })
1528    }
1529
1530    if let Some(links) = &normalized_package.links {
1531        if !targets.iter().any(|t| t.is_custom_build()) {
1532            bail!(
1533                "package specifies that it links to `{links}` but does not have a custom build script"
1534            )
1535        }
1536    }
1537
1538    validate_dependencies(original_toml.dependencies.as_ref(), None, None, warnings)?;
1539    validate_dependencies(
1540        original_toml.dev_dependencies(),
1541        None,
1542        Some(DepKind::Development),
1543        warnings,
1544    )?;
1545    validate_dependencies(
1546        original_toml.build_dependencies(),
1547        None,
1548        Some(DepKind::Build),
1549        warnings,
1550    )?;
1551    for (name, platform) in original_toml.target.iter().flatten() {
1552        let platform_kind: Platform = name.parse()?;
1553        platform_kind.check_cfg_attributes(warnings);
1554        platform_kind.check_cfg_keywords(warnings, manifest_file);
1555        let platform_kind = Some(platform_kind);
1556        validate_dependencies(
1557            platform.dependencies.as_ref(),
1558            platform_kind.as_ref(),
1559            None,
1560            warnings,
1561        )?;
1562        validate_dependencies(
1563            platform.build_dependencies(),
1564            platform_kind.as_ref(),
1565            Some(DepKind::Build),
1566            warnings,
1567        )?;
1568        validate_dependencies(
1569            platform.dev_dependencies(),
1570            platform_kind.as_ref(),
1571            Some(DepKind::Development),
1572            warnings,
1573        )?;
1574    }
1575
1576    // Collect the dependencies.
1577    let mut deps = Vec::new();
1578    let mut manifest_ctx = ManifestContext {
1579        deps: &mut deps,
1580        source_id,
1581        gctx,
1582        warnings,
1583        platform: None,
1584        root: package_root,
1585    };
1586    gather_dependencies(
1587        &mut manifest_ctx,
1588        normalized_toml.dependencies.as_ref(),
1589        None,
1590    )?;
1591    gather_dependencies(
1592        &mut manifest_ctx,
1593        normalized_toml.dev_dependencies(),
1594        Some(DepKind::Development),
1595    )?;
1596    gather_dependencies(
1597        &mut manifest_ctx,
1598        normalized_toml.build_dependencies(),
1599        Some(DepKind::Build),
1600    )?;
1601    for (name, platform) in normalized_toml.target.iter().flatten() {
1602        manifest_ctx.platform = Some(name.parse()?);
1603        gather_dependencies(&mut manifest_ctx, platform.dependencies.as_ref(), None)?;
1604        gather_dependencies(
1605            &mut manifest_ctx,
1606            platform.build_dependencies(),
1607            Some(DepKind::Build),
1608        )?;
1609        gather_dependencies(
1610            &mut manifest_ctx,
1611            platform.dev_dependencies(),
1612            Some(DepKind::Development),
1613        )?;
1614    }
1615    let replace = replace(&normalized_toml, &mut manifest_ctx)?;
1616    let patch = patch(&normalized_toml, &mut manifest_ctx)?;
1617
1618    {
1619        let mut names_sources = BTreeMap::new();
1620        for dep in &deps {
1621            let name = dep.name_in_toml();
1622            let prev = names_sources.insert(name, dep.source_id());
1623            if prev.is_some() && prev != Some(dep.source_id()) {
1624                bail!(
1625                    "Dependency '{}' has different source paths depending on the build \
1626                         target. Each dependency must have a single canonical source path \
1627                         irrespective of build target.",
1628                    name
1629                );
1630            }
1631        }
1632    }
1633
1634    verify_lints(
1635        normalized_toml
1636            .normalized_lints()
1637            .expect("previously normalized"),
1638        gctx,
1639        warnings,
1640    )?;
1641    let default = manifest::TomlLints::default();
1642    let rustflags = lints_to_rustflags(
1643        normalized_toml
1644            .normalized_lints()
1645            .expect("previously normalized")
1646            .unwrap_or(&default),
1647    )?;
1648
1649    let hints = normalized_toml.hints.clone();
1650
1651    let metadata = ManifestMetadata {
1652        description: normalized_package
1653            .normalized_description()
1654            .expect("previously normalized")
1655            .cloned(),
1656        homepage: normalized_package
1657            .normalized_homepage()
1658            .expect("previously normalized")
1659            .cloned(),
1660        documentation: normalized_package
1661            .normalized_documentation()
1662            .expect("previously normalized")
1663            .cloned(),
1664        readme: normalized_package
1665            .normalized_readme()
1666            .expect("previously normalized")
1667            .cloned(),
1668        authors: normalized_package
1669            .normalized_authors()
1670            .expect("previously normalized")
1671            .cloned()
1672            .unwrap_or_default(),
1673        license: normalized_package
1674            .normalized_license()
1675            .expect("previously normalized")
1676            .cloned(),
1677        license_file: normalized_package
1678            .normalized_license_file()
1679            .expect("previously normalized")
1680            .cloned(),
1681        repository: normalized_package
1682            .normalized_repository()
1683            .expect("previously normalized")
1684            .cloned(),
1685        keywords: normalized_package
1686            .normalized_keywords()
1687            .expect("previously normalized")
1688            .cloned()
1689            .unwrap_or_default(),
1690        categories: normalized_package
1691            .normalized_categories()
1692            .expect("previously normalized")
1693            .cloned()
1694            .unwrap_or_default(),
1695        badges: normalized_toml.badges.clone().unwrap_or_default(),
1696        links: normalized_package.links.clone(),
1697        rust_version: rust_version.clone(),
1698    };
1699
1700    if let Some(profiles) = &normalized_toml.profile {
1701        let cli_unstable = gctx.cli_unstable();
1702        validate_profiles(profiles, cli_unstable, &features, warnings)?;
1703    }
1704
1705    let version = normalized_package
1706        .normalized_version()
1707        .expect("previously normalized");
1708    let publish = match normalized_package
1709        .normalized_publish()
1710        .expect("previously normalized")
1711    {
1712        Some(manifest::VecStringOrBool::VecString(vecstring)) => Some(vecstring.clone()),
1713        Some(manifest::VecStringOrBool::Bool(false)) => Some(vec![]),
1714        Some(manifest::VecStringOrBool::Bool(true)) => None,
1715        None => version.is_none().then_some(vec![]),
1716    };
1717
1718    if version.is_none() && publish != Some(vec![]) {
1719        bail!("`package.publish` requires `package.version` be specified");
1720    }
1721
1722    let pkgid = PackageId::new(
1723        package_name.as_str().into(),
1724        version
1725            .cloned()
1726            .unwrap_or_else(|| semver::Version::new(0, 0, 0)),
1727        source_id,
1728    );
1729    let summary = {
1730        let summary = Summary::new(
1731            pkgid,
1732            deps,
1733            &normalized_toml
1734                .features
1735                .as_ref()
1736                .unwrap_or(&Default::default())
1737                .iter()
1738                .map(|(k, v)| {
1739                    (
1740                        k.to_string().into(),
1741                        v.iter().map(InternedString::from).collect(),
1742                    )
1743                })
1744                .collect(),
1745            normalized_package.links.as_deref(),
1746            rust_version.clone(),
1747        );
1748        // edition2024 stops exposing implicit features, which will strip weak optional dependencies from `dependencies`,
1749        // need to check whether `dep_name` is stripped as unused dependency
1750        if let Err(ref err) = summary {
1751            if let Some(missing_dep) = err.downcast_ref::<MissingDependencyError>() {
1752                missing_dep_diagnostic(
1753                    missing_dep,
1754                    &original_toml,
1755                    &document,
1756                    &contents,
1757                    manifest_file,
1758                    gctx,
1759                )?;
1760            }
1761        }
1762        summary?
1763    };
1764
1765    if summary.features().contains_key("default-features") {
1766        warnings.push(
1767            "`[features]` defines a feature named `default-features`
1768note: only a feature named `default` will be enabled by default"
1769                .to_string(),
1770        )
1771    }
1772
1773    if let Some(run) = &normalized_package.default_run {
1774        if !targets
1775            .iter()
1776            .filter(|t| t.is_bin())
1777            .any(|t| t.name() == run)
1778        {
1779            let suggestion = util::closest_msg(
1780                run,
1781                targets.iter().filter(|t| t.is_bin()),
1782                |t| t.name(),
1783                "target",
1784            );
1785            bail!("default-run target `{}` not found{}", run, suggestion);
1786        }
1787    }
1788
1789    let default_kind = normalized_package
1790        .default_target
1791        .as_ref()
1792        .map(|t| CompileTarget::new(&*t))
1793        .transpose()?
1794        .map(CompileKind::Target);
1795    let forced_kind = normalized_package
1796        .forced_target
1797        .as_ref()
1798        .map(|t| CompileTarget::new(&*t))
1799        .transpose()?
1800        .map(CompileKind::Target);
1801    let include = normalized_package
1802        .normalized_include()
1803        .expect("previously normalized")
1804        .cloned()
1805        .unwrap_or_default();
1806    let exclude = normalized_package
1807        .normalized_exclude()
1808        .expect("previously normalized")
1809        .cloned()
1810        .unwrap_or_default();
1811    let links = normalized_package.links.clone();
1812    let custom_metadata = normalized_package.metadata.clone();
1813    let im_a_teapot = normalized_package.im_a_teapot;
1814    let default_run = normalized_package.default_run.clone();
1815    let metabuild = normalized_package.metabuild.clone().map(|sov| sov.0);
1816    let manifest = Manifest::new(
1817        Rc::new(contents),
1818        Rc::new(document),
1819        Rc::new(original_toml),
1820        Rc::new(normalized_toml),
1821        summary,
1822        default_kind,
1823        forced_kind,
1824        targets,
1825        exclude,
1826        include,
1827        links,
1828        metadata,
1829        custom_metadata,
1830        publish,
1831        replace,
1832        patch,
1833        workspace_config,
1834        features,
1835        edition,
1836        rust_version,
1837        im_a_teapot,
1838        default_run,
1839        metabuild,
1840        resolve_behavior,
1841        rustflags,
1842        hints,
1843        is_embedded,
1844    );
1845    if manifest
1846        .normalized_toml()
1847        .package()
1848        .unwrap()
1849        .license_file
1850        .is_some()
1851        && manifest
1852            .normalized_toml()
1853            .package()
1854            .unwrap()
1855            .license
1856            .is_some()
1857    {
1858        warnings.push(
1859            "only one of `license` or `license-file` is necessary\n\
1860                 `license` should be used if the package license can be expressed \
1861                 with a standard SPDX expression.\n\
1862                 `license-file` should be used if the package uses a non-standard license.\n\
1863                 See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields \
1864                 for more information."
1865                .to_owned(),
1866        );
1867    }
1868    warn_on_unused(&manifest.original_toml()._unused_keys, warnings);
1869
1870    manifest.feature_gate()?;
1871
1872    Ok(manifest)
1873}
1874
1875fn missing_dep_diagnostic(
1876    missing_dep: &MissingDependencyError,
1877    orig_toml: &TomlManifest,
1878    document: &toml::Spanned<toml::de::DeTable<'static>>,
1879    contents: &str,
1880    manifest_file: &Path,
1881    gctx: &GlobalContext,
1882) -> CargoResult<()> {
1883    let dep_name = missing_dep.dep_name;
1884    let manifest_path = rel_cwd_manifest_path(manifest_file, gctx);
1885    let feature_span =
1886        get_key_value_span(&document, &["features", missing_dep.feature.as_str()]).unwrap();
1887
1888    let title = format!(
1889        "feature `{}` includes `{}`, but `{}` is not a dependency",
1890        missing_dep.feature, missing_dep.feature_value, &dep_name
1891    );
1892    let help = format!("enable the dependency with `dep:{dep_name}`");
1893    let info_label = format!(
1894        "`{}` is an unused optional dependency since no feature enables it",
1895        &dep_name
1896    );
1897    let group = Group::with_title(Level::ERROR.primary_title(&title));
1898    let snippet = Snippet::source(contents)
1899        .path(manifest_path)
1900        .annotation(AnnotationKind::Primary.span(feature_span.value));
1901    let group = if missing_dep.weak_optional {
1902        let mut orig_deps = vec![
1903            (
1904                orig_toml.dependencies.as_ref(),
1905                vec![DepKind::Normal.kind_table()],
1906            ),
1907            (
1908                orig_toml.build_dependencies.as_ref(),
1909                vec![DepKind::Build.kind_table()],
1910            ),
1911        ];
1912        for (name, platform) in orig_toml.target.iter().flatten() {
1913            orig_deps.push((
1914                platform.dependencies.as_ref(),
1915                vec!["target", name, DepKind::Normal.kind_table()],
1916            ));
1917            orig_deps.push((
1918                platform.build_dependencies.as_ref(),
1919                vec!["target", name, DepKind::Normal.kind_table()],
1920            ));
1921        }
1922
1923        if let Some((_, toml_path)) = orig_deps.iter().find(|(deps, _)| {
1924            if let Some(deps) = deps {
1925                deps.keys().any(|p| *p.as_str() == *dep_name)
1926            } else {
1927                false
1928            }
1929        }) {
1930            let toml_path = toml_path
1931                .iter()
1932                .map(|s| *s)
1933                .chain(std::iter::once(dep_name.as_str()))
1934                .collect::<Vec<_>>();
1935            let dep_span = get_key_value_span(&document, &toml_path).unwrap();
1936
1937            group
1938                .element(
1939                    snippet
1940                        .annotation(AnnotationKind::Context.span(dep_span.key).label(info_label)),
1941                )
1942                .element(Level::HELP.message(help))
1943        } else {
1944            group.element(snippet)
1945        }
1946    } else {
1947        group.element(snippet)
1948    };
1949
1950    if let Err(err) = gctx.shell().print_report(&[group], true) {
1951        return Err(err.into());
1952    }
1953    Err(AlreadyPrintedError::new(anyhow!("").into()).into())
1954}
1955
1956fn to_virtual_manifest(
1957    contents: String,
1958    document: toml::Spanned<toml::de::DeTable<'static>>,
1959    original_toml: manifest::TomlManifest,
1960    normalized_toml: manifest::TomlManifest,
1961    features: Features,
1962    workspace_config: WorkspaceConfig,
1963    source_id: SourceId,
1964    manifest_file: &Path,
1965    gctx: &GlobalContext,
1966    warnings: &mut Vec<String>,
1967    _errors: &mut Vec<String>,
1968) -> CargoResult<VirtualManifest> {
1969    let root = manifest_file.parent().unwrap();
1970
1971    let mut deps = Vec::new();
1972    let (replace, patch) = {
1973        let mut manifest_ctx = ManifestContext {
1974            deps: &mut deps,
1975            source_id,
1976            gctx,
1977            warnings,
1978            platform: None,
1979            root,
1980        };
1981        (
1982            replace(&normalized_toml, &mut manifest_ctx)?,
1983            patch(&normalized_toml, &mut manifest_ctx)?,
1984        )
1985    };
1986    if let Some(profiles) = &normalized_toml.profile {
1987        validate_profiles(profiles, gctx.cli_unstable(), &features, warnings)?;
1988    }
1989    let resolve_behavior = normalized_toml
1990        .workspace
1991        .as_ref()
1992        .and_then(|ws| ws.resolver.as_deref())
1993        .map(|r| ResolveBehavior::from_manifest(r))
1994        .transpose()?;
1995    if let WorkspaceConfig::Member { .. } = &workspace_config {
1996        bail!("virtual manifests must be configured with [workspace]");
1997    }
1998    let manifest = VirtualManifest::new(
1999        Rc::new(contents),
2000        Rc::new(document),
2001        Rc::new(original_toml),
2002        Rc::new(normalized_toml),
2003        replace,
2004        patch,
2005        workspace_config,
2006        features,
2007        resolve_behavior,
2008    );
2009
2010    warn_on_unused(&manifest.original_toml()._unused_keys, warnings);
2011
2012    Ok(manifest)
2013}
2014
2015#[tracing::instrument(skip_all)]
2016fn validate_dependencies(
2017    original_deps: Option<&BTreeMap<manifest::PackageName, manifest::InheritableDependency>>,
2018    platform: Option<&Platform>,
2019    kind: Option<DepKind>,
2020    warnings: &mut Vec<String>,
2021) -> CargoResult<()> {
2022    let Some(dependencies) = original_deps else {
2023        return Ok(());
2024    };
2025
2026    for (name_in_toml, v) in dependencies.iter() {
2027        let kind_name = match kind {
2028            Some(k) => k.kind_table(),
2029            None => "dependencies",
2030        };
2031        let table_in_toml = if let Some(platform) = platform {
2032            format!("target.{platform}.{kind_name}")
2033        } else {
2034            kind_name.to_string()
2035        };
2036        unused_dep_keys(name_in_toml, &table_in_toml, v.unused_keys(), warnings);
2037    }
2038    Ok(())
2039}
2040
2041struct ManifestContext<'a, 'b> {
2042    deps: &'a mut Vec<Dependency>,
2043    source_id: SourceId,
2044    gctx: &'b GlobalContext,
2045    warnings: &'a mut Vec<String>,
2046    platform: Option<Platform>,
2047    root: &'a Path,
2048}
2049
2050#[tracing::instrument(skip_all)]
2051fn gather_dependencies(
2052    manifest_ctx: &mut ManifestContext<'_, '_>,
2053    normalized_deps: Option<&BTreeMap<manifest::PackageName, manifest::InheritableDependency>>,
2054    kind: Option<DepKind>,
2055) -> CargoResult<()> {
2056    let Some(dependencies) = normalized_deps else {
2057        return Ok(());
2058    };
2059
2060    for (n, v) in dependencies.iter() {
2061        let resolved = v.normalized().expect("previously normalized");
2062        let dep = dep_to_dependency(&resolved, n, manifest_ctx, kind)?;
2063        manifest_ctx.deps.push(dep);
2064    }
2065    Ok(())
2066}
2067
2068fn replace(
2069    me: &manifest::TomlManifest,
2070    manifest_ctx: &mut ManifestContext<'_, '_>,
2071) -> CargoResult<Vec<(PackageIdSpec, Dependency)>> {
2072    if me.patch.is_some() && me.replace.is_some() {
2073        bail!("cannot specify both [replace] and [patch]");
2074    }
2075    let mut replace = Vec::new();
2076    for (spec, replacement) in me.replace.iter().flatten() {
2077        let mut spec = PackageIdSpec::parse(spec).with_context(|| {
2078            format!(
2079                "replacements must specify a valid semver \
2080                     version to replace, but `{}` does not",
2081                spec
2082            )
2083        })?;
2084        if spec.url().is_none() {
2085            spec.set_url(CRATES_IO_INDEX.parse().unwrap());
2086        }
2087
2088        if replacement.is_version_specified() {
2089            bail!(
2090                "replacements cannot specify a version \
2091                     requirement, but found one for `{}`",
2092                spec
2093            );
2094        }
2095
2096        let mut dep = dep_to_dependency(replacement, spec.name(), manifest_ctx, None)?;
2097        let version = spec.version().ok_or_else(|| {
2098            anyhow!(
2099                "replacements must specify a version \
2100                     to replace, but `{}` does not",
2101                spec
2102            )
2103        })?;
2104        unused_dep_keys(
2105            dep.name_in_toml().as_str(),
2106            "replace",
2107            replacement.unused_keys(),
2108            &mut manifest_ctx.warnings,
2109        );
2110        dep.set_version_req(OptVersionReq::exact(&version));
2111        replace.push((spec, dep));
2112    }
2113    Ok(replace)
2114}
2115
2116fn patch(
2117    me: &manifest::TomlManifest,
2118    manifest_ctx: &mut ManifestContext<'_, '_>,
2119) -> CargoResult<HashMap<Url, Vec<Dependency>>> {
2120    let mut patch = HashMap::new();
2121    for (toml_url, deps) in me.patch.iter().flatten() {
2122        let url = match &toml_url[..] {
2123            CRATES_IO_REGISTRY => CRATES_IO_INDEX.parse().unwrap(),
2124            _ => manifest_ctx
2125                .gctx
2126                .get_registry_index(toml_url)
2127                .or_else(|_| toml_url.into_url())
2128                .with_context(|| {
2129                    format!(
2130                        "[patch] entry `{}` should be a URL or registry name{}",
2131                        toml_url,
2132                        if toml_url == "crates" {
2133                            "\nFor crates.io, use [patch.crates-io] (with a dash)"
2134                        } else {
2135                            ""
2136                        }
2137                    )
2138                })?,
2139        };
2140        patch.insert(
2141            url,
2142            deps.iter()
2143                .map(|(name, dep)| {
2144                    unused_dep_keys(
2145                        name,
2146                        &format!("patch.{toml_url}",),
2147                        dep.unused_keys(),
2148                        &mut manifest_ctx.warnings,
2149                    );
2150                    dep_to_dependency(dep, name, manifest_ctx, None)
2151                })
2152                .collect::<CargoResult<Vec<_>>>()?,
2153        );
2154    }
2155    Ok(patch)
2156}
2157
2158pub(crate) fn to_dependency<P: ResolveToPath + Clone>(
2159    dep: &manifest::TomlDependency<P>,
2160    name: &str,
2161    source_id: SourceId,
2162    gctx: &GlobalContext,
2163    warnings: &mut Vec<String>,
2164    platform: Option<Platform>,
2165    root: &Path,
2166    kind: Option<DepKind>,
2167) -> CargoResult<Dependency> {
2168    dep_to_dependency(
2169        dep,
2170        name,
2171        &mut ManifestContext {
2172            deps: &mut Vec::new(),
2173            source_id,
2174            gctx,
2175            warnings,
2176            platform,
2177            root,
2178        },
2179        kind,
2180    )
2181}
2182
2183fn dep_to_dependency<P: ResolveToPath + Clone>(
2184    orig: &manifest::TomlDependency<P>,
2185    name: &str,
2186    manifest_ctx: &mut ManifestContext<'_, '_>,
2187    kind: Option<DepKind>,
2188) -> CargoResult<Dependency> {
2189    match *orig {
2190        manifest::TomlDependency::Simple(ref version) => detailed_dep_to_dependency(
2191            &manifest::TomlDetailedDependency::<P> {
2192                version: Some(version.clone()),
2193                ..Default::default()
2194            },
2195            name,
2196            manifest_ctx,
2197            kind,
2198        ),
2199        manifest::TomlDependency::Detailed(ref details) => {
2200            detailed_dep_to_dependency(details, name, manifest_ctx, kind)
2201        }
2202    }
2203}
2204
2205fn detailed_dep_to_dependency<P: ResolveToPath + Clone>(
2206    orig: &manifest::TomlDetailedDependency<P>,
2207    name_in_toml: &str,
2208    manifest_ctx: &mut ManifestContext<'_, '_>,
2209    kind: Option<DepKind>,
2210) -> CargoResult<Dependency> {
2211    if orig.version.is_none() && orig.path.is_none() && orig.git.is_none() {
2212        anyhow::bail!(
2213            "dependency ({name_in_toml}) specified without \
2214                 providing a local path, Git repository, version, or \
2215                 workspace dependency to use"
2216        );
2217    }
2218
2219    if let Some(version) = &orig.version {
2220        if version.contains('+') {
2221            manifest_ctx.warnings.push(format!(
2222                "version requirement `{}` for dependency `{}` \
2223                     includes semver metadata which will be ignored, removing the \
2224                     metadata is recommended to avoid confusion",
2225                version, name_in_toml
2226            ));
2227        }
2228    }
2229
2230    if orig.git.is_none() {
2231        let git_only_keys = [
2232            (&orig.branch, "branch"),
2233            (&orig.tag, "tag"),
2234            (&orig.rev, "rev"),
2235        ];
2236
2237        for &(key, key_name) in &git_only_keys {
2238            if key.is_some() {
2239                bail!(
2240                    "key `{}` is ignored for dependency ({}).",
2241                    key_name,
2242                    name_in_toml
2243                );
2244            }
2245        }
2246    }
2247
2248    // Early detection of potentially misused feature syntax
2249    // instead of generating a "feature not found" error.
2250    if let Some(features) = &orig.features {
2251        for feature in features {
2252            if feature.contains('/') {
2253                bail!(
2254                    "feature `{}` in dependency `{}` is not allowed to contain slashes\n\
2255                         If you want to enable features of a transitive dependency, \
2256                         the direct dependency needs to re-export those features from \
2257                         the `[features]` table.",
2258                    feature,
2259                    name_in_toml
2260                );
2261            }
2262            if feature.starts_with("dep:") {
2263                bail!(
2264                    "feature `{}` in dependency `{}` is not allowed to use explicit \
2265                        `dep:` syntax\n\
2266                         If you want to enable an optional dependency, specify the name \
2267                         of the optional dependency without the `dep:` prefix, or specify \
2268                         a feature from the dependency's `[features]` table that enables \
2269                         the optional dependency.",
2270                    feature,
2271                    name_in_toml
2272                );
2273            }
2274        }
2275    }
2276
2277    let new_source_id = to_dependency_source_id(orig, name_in_toml, manifest_ctx)?;
2278
2279    let (pkg_name, explicit_name_in_toml) = match orig.package {
2280        Some(ref s) => (&s[..], Some(name_in_toml)),
2281        None => (name_in_toml, None),
2282    };
2283
2284    let version = orig.version.as_deref();
2285    let mut dep = Dependency::parse(pkg_name, version, new_source_id)?;
2286    dep.set_features(orig.features.iter().flatten())
2287        .set_default_features(orig.default_features().unwrap_or(true))
2288        .set_optional(orig.optional.unwrap_or(false))
2289        .set_platform(manifest_ctx.platform.clone());
2290    if let Some(registry) = &orig.registry {
2291        let registry_id = SourceId::alt_registry(manifest_ctx.gctx, registry)?;
2292        dep.set_registry_id(registry_id);
2293    }
2294    if let Some(registry_index) = &orig.registry_index {
2295        let url = registry_index.into_url()?;
2296        let registry_id = SourceId::for_registry(&url)?;
2297        dep.set_registry_id(registry_id);
2298    }
2299
2300    if let Some(kind) = kind {
2301        dep.set_kind(kind);
2302    }
2303    if let Some(name_in_toml) = explicit_name_in_toml {
2304        dep.set_explicit_name_in_toml(name_in_toml);
2305    }
2306
2307    if let Some(p) = orig.public {
2308        dep.set_public(p);
2309    }
2310
2311    if let (Some(artifact), is_lib, target) = (
2312        orig.artifact.as_ref(),
2313        orig.lib.unwrap_or(false),
2314        orig.target.as_deref(),
2315    ) {
2316        if manifest_ctx.gctx.cli_unstable().bindeps {
2317            let artifact = Artifact::parse(&artifact.0, is_lib, target)?;
2318            if dep.kind() != DepKind::Build
2319                && artifact.target() == Some(ArtifactTarget::BuildDependencyAssumeTarget)
2320            {
2321                bail!(
2322                    r#"`target = "target"` in normal- or dev-dependencies has no effect ({})"#,
2323                    name_in_toml
2324                );
2325            }
2326            dep.set_artifact(artifact)
2327        } else {
2328            bail!("`artifact = …` requires `-Z bindeps` ({})", name_in_toml);
2329        }
2330    } else if orig.lib.is_some() || orig.target.is_some() {
2331        for (is_set, specifier) in [
2332            (orig.lib.is_some(), "lib"),
2333            (orig.target.is_some(), "target"),
2334        ] {
2335            if !is_set {
2336                continue;
2337            }
2338            bail!(
2339                "'{}' specifier cannot be used without an 'artifact = …' value ({})",
2340                specifier,
2341                name_in_toml
2342            )
2343        }
2344    }
2345    Ok(dep)
2346}
2347
2348fn to_dependency_source_id<P: ResolveToPath + Clone>(
2349    orig: &manifest::TomlDetailedDependency<P>,
2350    name_in_toml: &str,
2351    manifest_ctx: &mut ManifestContext<'_, '_>,
2352) -> CargoResult<SourceId> {
2353    match (
2354        orig.git.as_ref(),
2355        orig.path.as_ref(),
2356        orig.registry.as_deref(),
2357        orig.registry_index.as_ref(),
2358    ) {
2359        (Some(_git), _, Some(_registry), _) | (Some(_git), _, _, Some(_registry)) => bail!(
2360            "dependency ({name_in_toml}) specification is ambiguous. \
2361                 Only one of `git` or `registry` is allowed.",
2362        ),
2363        (_, _, Some(_registry), Some(_registry_index)) => bail!(
2364            "dependency ({name_in_toml}) specification is ambiguous. \
2365                 Only one of `registry` or `registry-index` is allowed.",
2366        ),
2367        (Some(_git), Some(_path), None, None) => {
2368            bail!(
2369                "dependency ({name_in_toml}) specification is ambiguous. \
2370                     Only one of `git` or `path` is allowed.",
2371            );
2372        }
2373        (Some(git), None, None, None) => {
2374            let n_details = [&orig.branch, &orig.tag, &orig.rev]
2375                .iter()
2376                .filter(|d| d.is_some())
2377                .count();
2378
2379            if n_details > 1 {
2380                bail!(
2381                    "dependency ({name_in_toml}) specification is ambiguous. \
2382                         Only one of `branch`, `tag` or `rev` is allowed.",
2383                );
2384            }
2385
2386            let reference = orig
2387                .branch
2388                .clone()
2389                .map(GitReference::Branch)
2390                .or_else(|| orig.tag.clone().map(GitReference::Tag))
2391                .or_else(|| orig.rev.clone().map(GitReference::Rev))
2392                .unwrap_or(GitReference::DefaultBranch);
2393            let loc = git.into_url()?;
2394
2395            if let Some(fragment) = loc.fragment() {
2396                let msg = format!(
2397                    "URL fragment `#{fragment}` in git URL is ignored for dependency ({name_in_toml}). \
2398                        If you were trying to specify a specific git revision, \
2399                        use `rev = \"{fragment}\"` in the dependency declaration.",
2400                );
2401                manifest_ctx.warnings.push(msg);
2402            }
2403
2404            SourceId::for_git(&loc, reference)
2405        }
2406        (None, Some(path), _, _) => {
2407            let path = path.resolve(manifest_ctx.gctx);
2408            // If the source ID for the package we're parsing is a path
2409            // source, then we normalize the path here to get rid of
2410            // components like `..`.
2411            //
2412            // The purpose of this is to get a canonical ID for the package
2413            // that we're depending on to ensure that builds of this package
2414            // always end up hashing to the same value no matter where it's
2415            // built from.
2416            if manifest_ctx.source_id.is_path() {
2417                let path = manifest_ctx.root.join(path);
2418                let path = paths::normalize_path(&path);
2419                SourceId::for_path(&path)
2420            } else {
2421                Ok(manifest_ctx.source_id)
2422            }
2423        }
2424        (None, None, Some(registry), None) => SourceId::alt_registry(manifest_ctx.gctx, registry),
2425        (None, None, None, Some(registry_index)) => {
2426            let url = registry_index.into_url()?;
2427            SourceId::for_registry(&url)
2428        }
2429        (None, None, None, None) => SourceId::crates_io(manifest_ctx.gctx),
2430    }
2431}
2432
2433pub(crate) fn lookup_path_base<'a>(
2434    base: &PathBaseName,
2435    gctx: &GlobalContext,
2436    workspace_root: &dyn Fn() -> CargoResult<&'a Path>,
2437    features: &Features,
2438) -> CargoResult<PathBuf> {
2439    features.require(Feature::path_bases())?;
2440
2441    // HACK: The `base` string is user controlled, but building the path is safe from injection
2442    // attacks since the `PathBaseName` type restricts the characters that can be used to exclude `.`
2443    let base_key = format!("path-bases.{base}");
2444
2445    // Look up the relevant base in the Config and use that as the root.
2446    if let Some(path_bases) = gctx.get::<Option<ConfigRelativePath>>(&base_key)? {
2447        Ok(path_bases.resolve_path(gctx))
2448    } else {
2449        // Otherwise, check the built-in bases.
2450        match base.as_str() {
2451            "workspace" => Ok(workspace_root()?.to_path_buf()),
2452            _ => bail!(
2453                "path base `{base}` is undefined. \
2454            You must add an entry for `{base}` in the Cargo configuration [path-bases] table."
2455            ),
2456        }
2457    }
2458}
2459
2460pub trait ResolveToPath {
2461    fn resolve(&self, gctx: &GlobalContext) -> PathBuf;
2462}
2463
2464impl ResolveToPath for String {
2465    fn resolve(&self, _: &GlobalContext) -> PathBuf {
2466        self.into()
2467    }
2468}
2469
2470impl ResolveToPath for ConfigRelativePath {
2471    fn resolve(&self, gctx: &GlobalContext) -> PathBuf {
2472        self.resolve_path(gctx)
2473    }
2474}
2475
2476/// Checks a list of build targets, and ensures the target names are unique within a vector.
2477/// If not, the name of the offending build target is returned.
2478#[tracing::instrument(skip_all)]
2479fn unique_build_targets(
2480    targets: &[Target],
2481    package_root: &Path,
2482) -> Result<(), HashMap<PathBuf, Vec<Target>>> {
2483    let mut source_targets = HashMap::<_, Vec<_>>::new();
2484    for target in targets {
2485        if let TargetSourcePath::Path(path) = target.src_path() {
2486            let full = package_root.join(path);
2487            source_targets.entry(full).or_default().push(target.clone());
2488        }
2489    }
2490
2491    let conflict_targets = source_targets
2492        .into_iter()
2493        .filter(|(_, targets)| targets.len() > 1)
2494        .collect::<HashMap<_, _>>();
2495
2496    if !conflict_targets.is_empty() {
2497        return Err(conflict_targets);
2498    }
2499
2500    Ok(())
2501}
2502
2503/// Checks syntax validity and unstable feature gate for each profile.
2504///
2505/// It's a bit unfortunate both `-Z` flags and `cargo-features` are required,
2506/// because profiles can now be set in either `Cargo.toml` or `config.toml`.
2507fn validate_profiles(
2508    profiles: &manifest::TomlProfiles,
2509    cli_unstable: &CliUnstable,
2510    features: &Features,
2511    warnings: &mut Vec<String>,
2512) -> CargoResult<()> {
2513    for (name, profile) in &profiles.0 {
2514        validate_profile(profile, name, cli_unstable, features, warnings)?;
2515    }
2516    Ok(())
2517}
2518
2519/// Checks syntax validity and unstable feature gate for a given profile.
2520pub fn validate_profile(
2521    root: &manifest::TomlProfile,
2522    name: &str,
2523    cli_unstable: &CliUnstable,
2524    features: &Features,
2525    warnings: &mut Vec<String>,
2526) -> CargoResult<()> {
2527    validate_profile_layer(root, cli_unstable, features)?;
2528    if let Some(ref profile) = root.build_override {
2529        validate_profile_override(profile, "build-override")?;
2530        validate_profile_layer(profile, cli_unstable, features)?;
2531    }
2532    if let Some(ref packages) = root.package {
2533        for profile in packages.values() {
2534            validate_profile_override(profile, "package")?;
2535            validate_profile_layer(profile, cli_unstable, features)?;
2536        }
2537    }
2538
2539    if let Some(dir_name) = &root.dir_name {
2540        // This is disabled for now, as we would like to stabilize named
2541        // profiles without this, and then decide in the future if it is
2542        // needed. This helps simplify the UI a little.
2543        bail!(
2544            "dir-name=\"{}\" in profile `{}` is not currently allowed, \
2545                 directory names are tied to the profile name for custom profiles",
2546            dir_name,
2547            name
2548        );
2549    }
2550
2551    // `inherits` validation
2552    if matches!(root.inherits.as_deref(), Some("debug")) {
2553        bail!(
2554            "profile.{}.inherits=\"debug\" should be profile.{}.inherits=\"dev\"",
2555            name,
2556            name
2557        );
2558    }
2559
2560    match name {
2561        "doc" => {
2562            warnings.push("profile `doc` is deprecated and has no effect".to_string());
2563        }
2564        "test" | "bench" => {
2565            if root.panic.is_some() {
2566                warnings.push(format!("`panic` setting is ignored for `{}` profile", name))
2567            }
2568        }
2569        _ => {}
2570    }
2571
2572    if let Some(panic) = &root.panic {
2573        if panic != "unwind" && panic != "abort" && panic != "immediate-abort" {
2574            bail!(
2575                "`panic` setting of `{}` is not a valid setting, \
2576                     must be `unwind`, `abort`, or `immediate-abort`.",
2577                panic
2578            );
2579        }
2580    }
2581
2582    if let Some(manifest::StringOrBool::String(arg)) = &root.lto {
2583        if arg == "true" || arg == "false" {
2584            bail!(
2585                "`lto` setting of string `\"{arg}\"` for `{name}` profile is not \
2586                     a valid setting, must be a boolean (`true`/`false`) or a string \
2587                    (`\"thin\"`/`\"fat\"`/`\"off\"`) or omitted.",
2588            );
2589        }
2590    }
2591
2592    Ok(())
2593}
2594
2595/// Validates a profile.
2596///
2597/// This is a shallow check, which is reused for the profile itself and any overrides.
2598fn validate_profile_layer(
2599    profile: &manifest::TomlProfile,
2600    cli_unstable: &CliUnstable,
2601    features: &Features,
2602) -> CargoResult<()> {
2603    if profile.codegen_backend.is_some() {
2604        match (
2605            features.require(Feature::codegen_backend()),
2606            cli_unstable.codegen_backend,
2607        ) {
2608            (Err(e), false) => return Err(e),
2609            _ => {}
2610        }
2611    }
2612    if profile.rustflags.is_some() {
2613        match (
2614            features.require(Feature::profile_rustflags()),
2615            cli_unstable.profile_rustflags,
2616        ) {
2617            (Err(e), false) => return Err(e),
2618            _ => {}
2619        }
2620    }
2621    if profile.trim_paths.is_some() {
2622        match (
2623            features.require(Feature::trim_paths()),
2624            cli_unstable.trim_paths,
2625        ) {
2626            (Err(e), false) => return Err(e),
2627            _ => {}
2628        }
2629    }
2630    if profile.panic.as_deref() == Some("immediate-abort") {
2631        match (
2632            features.require(Feature::panic_immediate_abort()),
2633            cli_unstable.panic_immediate_abort,
2634        ) {
2635            (Err(e), false) => return Err(e),
2636            _ => {}
2637        }
2638    }
2639    Ok(())
2640}
2641
2642/// Validation that is specific to an override.
2643fn validate_profile_override(profile: &manifest::TomlProfile, which: &str) -> CargoResult<()> {
2644    if profile.package.is_some() {
2645        bail!("package-specific profiles cannot be nested");
2646    }
2647    if profile.build_override.is_some() {
2648        bail!("build-override profiles cannot be nested");
2649    }
2650    if profile.panic.is_some() {
2651        bail!("`panic` may not be specified in a `{}` profile", which)
2652    }
2653    if profile.lto.is_some() {
2654        bail!("`lto` may not be specified in a `{}` profile", which)
2655    }
2656    if profile.rpath.is_some() {
2657        bail!("`rpath` may not be specified in a `{}` profile", which)
2658    }
2659    Ok(())
2660}
2661
2662fn verify_lints(
2663    lints: Option<&manifest::TomlLints>,
2664    gctx: &GlobalContext,
2665    warnings: &mut Vec<String>,
2666) -> CargoResult<()> {
2667    let Some(lints) = lints else {
2668        return Ok(());
2669    };
2670
2671    for (tool, lints) in lints {
2672        let supported = ["cargo", "clippy", "rust", "rustdoc"];
2673        if !supported.contains(&tool.as_str()) {
2674            let message = format!(
2675                "unrecognized lint tool `lints.{tool}`, specifying unrecognized tools may break in the future.
2676supported tools: {}",
2677                supported.join(", "),
2678            );
2679            warnings.push(message);
2680            continue;
2681        }
2682        if tool == "cargo" && !gctx.cli_unstable().cargo_lints {
2683            warn_for_cargo_lint_feature(gctx, warnings);
2684        }
2685        for (name, config) in lints {
2686            if let Some((prefix, suffix)) = name.split_once("::") {
2687                if tool == prefix {
2688                    anyhow::bail!(
2689                        "`lints.{tool}.{name}` is not valid lint name; try `lints.{prefix}.{suffix}`"
2690                    )
2691                } else if tool == "rust" && supported.contains(&prefix) {
2692                    anyhow::bail!(
2693                        "`lints.{tool}.{name}` is not valid lint name; try `lints.{prefix}.{suffix}`"
2694                    )
2695                } else {
2696                    anyhow::bail!("`lints.{tool}.{name}` is not a valid lint name")
2697                }
2698            } else if let Some(config) = config.config() {
2699                for config_name in config.keys() {
2700                    // manually report unused manifest key warning since we collect all the "extra"
2701                    // keys and values inside the config table
2702                    //
2703                    // except for `rust.unexpected_cfgs.check-cfg` which is used by rustc/rustdoc
2704                    if !(tool == "rust" && name == "unexpected_cfgs" && config_name == "check-cfg")
2705                    {
2706                        let message =
2707                            format!("unused manifest key: `lints.{tool}.{name}.{config_name}`");
2708                        warnings.push(message);
2709                    }
2710                }
2711            }
2712        }
2713    }
2714
2715    Ok(())
2716}
2717
2718fn warn_for_cargo_lint_feature(gctx: &GlobalContext, warnings: &mut Vec<String>) {
2719    use std::fmt::Write as _;
2720
2721    let key_name = "lints.cargo";
2722    let feature_name = "cargo-lints";
2723
2724    let mut message = String::new();
2725
2726    let _ = write!(
2727        message,
2728        "unused manifest key `{key_name}` (may be supported in a future version)"
2729    );
2730    if gctx.nightly_features_allowed {
2731        let _ = write!(
2732            message,
2733            "
2734
2735consider passing `-Z{feature_name}` to enable this feature."
2736        );
2737    } else {
2738        let _ = write!(
2739            message,
2740            "
2741
2742this Cargo does not support nightly features, but if you
2743switch to nightly channel you can pass
2744`-Z{feature_name}` to enable this feature.",
2745        );
2746    }
2747    warnings.push(message);
2748}
2749
2750fn lints_to_rustflags(lints: &manifest::TomlLints) -> CargoResult<Vec<String>> {
2751    let mut rustflags = lints
2752        .iter()
2753        // We don't want to pass any of the `cargo` lints to `rustc`
2754        .filter(|(tool, _)| tool != &"cargo")
2755        .flat_map(|(tool, lints)| {
2756            lints.iter().map(move |(name, config)| {
2757                let flag = match config.level() {
2758                    manifest::TomlLintLevel::Forbid => "--forbid",
2759                    manifest::TomlLintLevel::Deny => "--deny",
2760                    manifest::TomlLintLevel::Warn => "--warn",
2761                    manifest::TomlLintLevel::Allow => "--allow",
2762                };
2763
2764                let option = if tool == "rust" {
2765                    format!("{flag}={name}")
2766                } else {
2767                    format!("{flag}={tool}::{name}")
2768                };
2769                (
2770                    config.priority(),
2771                    // Since the most common group will be `all`, put it last so people are more
2772                    // likely to notice that they need to use `priority`.
2773                    std::cmp::Reverse(name),
2774                    option,
2775                )
2776            })
2777        })
2778        .collect::<Vec<_>>();
2779    rustflags.sort();
2780
2781    let mut rustflags: Vec<_> = rustflags.into_iter().map(|(_, _, option)| option).collect();
2782
2783    // Also include the custom arguments specified in `[lints.rust.unexpected_cfgs.check_cfg]`
2784    if let Some(rust_lints) = lints.get("rust") {
2785        if let Some(unexpected_cfgs) = rust_lints.get("unexpected_cfgs") {
2786            if let Some(config) = unexpected_cfgs.config() {
2787                if let Some(check_cfg) = config.get("check-cfg") {
2788                    if let Ok(check_cfgs) = toml::Value::try_into::<Vec<String>>(check_cfg.clone())
2789                    {
2790                        for check_cfg in check_cfgs {
2791                            rustflags.push("--check-cfg".to_string());
2792                            rustflags.push(check_cfg);
2793                        }
2794                    // error about `check-cfg` not being a list-of-string
2795                    } else {
2796                        bail!("`lints.rust.unexpected_cfgs.check-cfg` must be a list of string");
2797                    }
2798                }
2799            }
2800        }
2801    }
2802
2803    Ok(rustflags)
2804}
2805
2806fn emit_frontmatter_diagnostic(
2807    e: crate::util::frontmatter::FrontmatterError,
2808    contents: &str,
2809    manifest_file: &Path,
2810    gctx: &GlobalContext,
2811) -> anyhow::Error {
2812    let primary_span = e.primary_span();
2813
2814    // Get the path to the manifest, relative to the cwd
2815    let manifest_path = diff_paths(manifest_file, gctx.cwd())
2816        .unwrap_or_else(|| manifest_file.to_path_buf())
2817        .display()
2818        .to_string();
2819    let group = Group::with_title(Level::ERROR.primary_title(e.message())).element(
2820        Snippet::source(contents)
2821            .path(manifest_path)
2822            .annotation(AnnotationKind::Primary.span(primary_span))
2823            .annotations(
2824                e.visible_spans()
2825                    .iter()
2826                    .map(|s| AnnotationKind::Visible.span(s.clone())),
2827            ),
2828    );
2829
2830    if let Err(err) = gctx.shell().print_report(&[group], true) {
2831        return err.into();
2832    }
2833    return AlreadyPrintedError::new(e.into()).into();
2834}
2835
2836fn emit_toml_diagnostic(
2837    e: toml::de::Error,
2838    contents: &str,
2839    manifest_file: &Path,
2840    gctx: &GlobalContext,
2841) -> anyhow::Error {
2842    let Some(span) = e.span() else {
2843        return e.into();
2844    };
2845
2846    // Get the path to the manifest, relative to the cwd
2847    let manifest_path = diff_paths(manifest_file, gctx.cwd())
2848        .unwrap_or_else(|| manifest_file.to_path_buf())
2849        .display()
2850        .to_string();
2851    let group = Group::with_title(Level::ERROR.primary_title(e.message())).element(
2852        Snippet::source(contents)
2853            .path(manifest_path)
2854            .annotation(AnnotationKind::Primary.span(span)),
2855    );
2856
2857    if let Err(err) = gctx.shell().print_report(&[group], true) {
2858        return err.into();
2859    }
2860    return AlreadyPrintedError::new(e.into()).into();
2861}
2862
2863/// Warn about paths that have been deprecated and may conflict.
2864fn deprecated_underscore<T>(
2865    old: &Option<T>,
2866    new: &Option<T>,
2867    new_path: &str,
2868    name: &str,
2869    kind: &str,
2870    edition: Edition,
2871    warnings: &mut Vec<String>,
2872) -> CargoResult<()> {
2873    let old_path = new_path.replace("-", "_");
2874    if old.is_some() && Edition::Edition2024 <= edition {
2875        anyhow::bail!(
2876            "`{old_path}` is unsupported as of the 2024 edition; instead use `{new_path}`\n(in the `{name}` {kind})"
2877        );
2878    } else if old.is_some() && new.is_some() {
2879        warnings.push(format!(
2880            "`{old_path}` is redundant with `{new_path}`, preferring `{new_path}` in the `{name}` {kind}"
2881        ))
2882    } else if old.is_some() {
2883        warnings.push(format!(
2884            "`{old_path}` is deprecated in favor of `{new_path}` and will not work in the 2024 edition\n(in the `{name}` {kind})"
2885        ))
2886    }
2887    Ok(())
2888}
2889
2890fn warn_on_unused(unused: &BTreeSet<String>, warnings: &mut Vec<String>) {
2891    use std::fmt::Write as _;
2892
2893    for key in unused {
2894        let mut message = format!("unused manifest key: {}", key);
2895        if TOP_LEVEL_CONFIG_KEYS.iter().any(|c| c == key) {
2896            write!(
2897                &mut message,
2898                "\nhelp: {key} is a valid .cargo/config.toml key"
2899            )
2900            .unwrap();
2901        }
2902        warnings.push(message);
2903    }
2904}
2905
2906fn unused_dep_keys(
2907    dep_name: &str,
2908    kind: &str,
2909    unused_keys: Vec<String>,
2910    warnings: &mut Vec<String>,
2911) {
2912    for unused in unused_keys {
2913        let key = format!("unused manifest key: {kind}.{dep_name}.{unused}");
2914        warnings.push(key);
2915    }
2916}
2917
2918/// Make the [`Package`] self-contained so its ready for packaging
2919pub fn prepare_for_publish(
2920    me: &Package,
2921    ws: &Workspace<'_>,
2922    packaged_files: Option<&[PathBuf]>,
2923) -> CargoResult<Package> {
2924    let contents = me.manifest().contents();
2925    let document = me.manifest().document();
2926    let original_toml = prepare_toml_for_publish(
2927        me.manifest().normalized_toml(),
2928        ws,
2929        me.root(),
2930        packaged_files,
2931    )?;
2932    let normalized_toml = original_toml.clone();
2933    let features = me.manifest().unstable_features().clone();
2934    let workspace_config = me.manifest().workspace_config().clone();
2935    let source_id = me.package_id().source_id();
2936    let mut warnings = Default::default();
2937    let mut errors = Default::default();
2938    let gctx = ws.gctx();
2939    let manifest = to_real_manifest(
2940        contents.to_owned(),
2941        document.clone(),
2942        original_toml,
2943        normalized_toml,
2944        features,
2945        workspace_config,
2946        source_id,
2947        me.manifest_path(),
2948        me.manifest().is_embedded(),
2949        gctx,
2950        &mut warnings,
2951        &mut errors,
2952    )?;
2953    let new_pkg = Package::new(manifest, me.manifest_path());
2954    Ok(new_pkg)
2955}
2956
2957/// Prepares the manifest for publishing.
2958// - Path and git components of dependency specifications are removed.
2959// - License path is updated to point within the package.
2960fn prepare_toml_for_publish(
2961    me: &manifest::TomlManifest,
2962    ws: &Workspace<'_>,
2963    package_root: &Path,
2964    packaged_files: Option<&[PathBuf]>,
2965) -> CargoResult<manifest::TomlManifest> {
2966    let gctx = ws.gctx();
2967
2968    if me
2969        .cargo_features
2970        .iter()
2971        .flat_map(|f| f.iter())
2972        .any(|f| f == "open-namespaces")
2973    {
2974        anyhow::bail!("cannot publish with `open-namespaces`")
2975    }
2976
2977    let mut package = me.package().unwrap().clone();
2978    package.workspace = None;
2979    // Validates if build script file is included in package. If not, warn and ignore.
2980    if let Some(custom_build_scripts) = package.normalized_build().expect("previously normalized") {
2981        let mut included_scripts = Vec::new();
2982        for script in custom_build_scripts {
2983            let path = Path::new(script).to_path_buf();
2984            let included = packaged_files.map(|i| i.contains(&path)).unwrap_or(true);
2985            if included {
2986                let path = path
2987                    .into_os_string()
2988                    .into_string()
2989                    .map_err(|_err| anyhow::format_err!("non-UTF8 `package.build`"))?;
2990                let path = normalize_path_string_sep(path);
2991                included_scripts.push(path);
2992            } else {
2993                ws.gctx().shell().warn(format!(
2994                    "ignoring `package.build` entry `{}` as it is not included in the published package",
2995                    path.display()
2996                ))?;
2997            }
2998        }
2999
3000        package.build = Some(match included_scripts.len() {
3001            0 => TomlPackageBuild::Auto(false),
3002            1 => TomlPackageBuild::SingleScript(included_scripts[0].clone()),
3003            _ => TomlPackageBuild::MultipleScript(included_scripts),
3004        });
3005    }
3006    let current_resolver = package
3007        .resolver
3008        .as_ref()
3009        .map(|r| ResolveBehavior::from_manifest(r))
3010        .unwrap_or_else(|| {
3011            package
3012                .edition
3013                .as_ref()
3014                .and_then(|e| e.as_value())
3015                .map(|e| Edition::from_str(e))
3016                .unwrap_or(Ok(Edition::Edition2015))
3017                .map(|e| e.default_resolve_behavior())
3018        })?;
3019    if ws.resolve_behavior() != current_resolver {
3020        // This ensures the published crate if built as a root (e.g. `cargo install`) will
3021        // use the same resolver behavior it was tested with in the workspace.
3022        // To avoid forcing a higher MSRV we don't explicitly set this if it would implicitly
3023        // result in the same thing.
3024        package.resolver = Some(ws.resolve_behavior().to_manifest());
3025    }
3026    if let Some(license_file) = &package.license_file {
3027        let license_file = license_file
3028            .as_value()
3029            .context("license file should have been resolved before `prepare_for_publish()`")?;
3030        let license_path = Path::new(&license_file);
3031        let abs_license_path = paths::normalize_path(&package_root.join(license_path));
3032        if let Ok(license_file) = abs_license_path.strip_prefix(package_root) {
3033            package.license_file = Some(manifest::InheritableField::Value(
3034                normalize_path_string_sep(
3035                    license_file
3036                        .to_str()
3037                        .ok_or_else(|| anyhow::format_err!("non-UTF8 `package.license-file`"))?
3038                        .to_owned(),
3039                ),
3040            ));
3041        } else {
3042            // This path points outside of the package root. `cargo package`
3043            // will copy it into the root, so adjust the path to this location.
3044            package.license_file = Some(manifest::InheritableField::Value(
3045                license_path
3046                    .file_name()
3047                    .unwrap()
3048                    .to_str()
3049                    .unwrap()
3050                    .to_string(),
3051            ));
3052        }
3053    }
3054
3055    if let Some(readme) = &package.readme {
3056        let readme = readme
3057            .as_value()
3058            .context("readme should have been resolved before `prepare_for_publish()`")?;
3059        match readme {
3060            manifest::StringOrBool::String(readme) => {
3061                let readme_path = Path::new(&readme);
3062                let abs_readme_path = paths::normalize_path(&package_root.join(readme_path));
3063                if let Ok(readme_path) = abs_readme_path.strip_prefix(package_root) {
3064                    package.readme = Some(manifest::InheritableField::Value(StringOrBool::String(
3065                        normalize_path_string_sep(
3066                            readme_path
3067                                .to_str()
3068                                .ok_or_else(|| {
3069                                    anyhow::format_err!("non-UTF8 `package.license-file`")
3070                                })?
3071                                .to_owned(),
3072                        ),
3073                    )));
3074                } else {
3075                    // This path points outside of the package root. `cargo package`
3076                    // will copy it into the root, so adjust the path to this location.
3077                    package.readme = Some(manifest::InheritableField::Value(
3078                        manifest::StringOrBool::String(
3079                            readme_path
3080                                .file_name()
3081                                .unwrap()
3082                                .to_str()
3083                                .unwrap()
3084                                .to_string(),
3085                        ),
3086                    ));
3087                }
3088            }
3089            manifest::StringOrBool::Bool(_) => {}
3090        }
3091    }
3092
3093    let lib = if let Some(target) = &me.lib {
3094        prepare_target_for_publish(target, packaged_files, "library", ws.gctx())?
3095    } else {
3096        None
3097    };
3098    let bin = prepare_targets_for_publish(me.bin.as_ref(), packaged_files, "binary", ws.gctx())?;
3099    let example =
3100        prepare_targets_for_publish(me.example.as_ref(), packaged_files, "example", ws.gctx())?;
3101    let test = prepare_targets_for_publish(me.test.as_ref(), packaged_files, "test", ws.gctx())?;
3102    let bench =
3103        prepare_targets_for_publish(me.bench.as_ref(), packaged_files, "benchmark", ws.gctx())?;
3104
3105    let all = |_d: &manifest::TomlDependency| true;
3106    let mut manifest = manifest::TomlManifest {
3107        cargo_features: me.cargo_features.clone(),
3108        package: Some(package),
3109        project: None,
3110        badges: me.badges.clone(),
3111        features: me.features.clone(),
3112        lib,
3113        bin,
3114        example,
3115        test,
3116        bench,
3117        dependencies: map_deps(gctx, me.dependencies.as_ref(), all)?,
3118        dev_dependencies: map_deps(
3119            gctx,
3120            me.dev_dependencies(),
3121            manifest::TomlDependency::is_version_specified,
3122        )?,
3123        dev_dependencies2: None,
3124        build_dependencies: map_deps(gctx, me.build_dependencies(), all)?,
3125        build_dependencies2: None,
3126        target: match me.target.as_ref().map(|target_map| {
3127            target_map
3128                .iter()
3129                .map(|(k, v)| {
3130                    Ok((
3131                        k.clone(),
3132                        manifest::TomlPlatform {
3133                            dependencies: map_deps(gctx, v.dependencies.as_ref(), all)?,
3134                            dev_dependencies: map_deps(
3135                                gctx,
3136                                v.dev_dependencies(),
3137                                manifest::TomlDependency::is_version_specified,
3138                            )?,
3139                            dev_dependencies2: None,
3140                            build_dependencies: map_deps(gctx, v.build_dependencies(), all)?,
3141                            build_dependencies2: None,
3142                        },
3143                    ))
3144                })
3145                .collect()
3146        }) {
3147            Some(Ok(v)) => Some(v),
3148            Some(Err(e)) => return Err(e),
3149            None => None,
3150        },
3151        lints: me.lints.clone(),
3152        hints: me.hints.clone(),
3153        workspace: None,
3154        profile: me.profile.clone(),
3155        patch: None,
3156        replace: None,
3157        _unused_keys: Default::default(),
3158    };
3159    strip_features(&mut manifest);
3160    return Ok(manifest);
3161
3162    fn strip_features(manifest: &mut TomlManifest) {
3163        fn insert_dep_name(
3164            dep_name_set: &mut BTreeSet<manifest::PackageName>,
3165            deps: Option<&BTreeMap<manifest::PackageName, manifest::InheritableDependency>>,
3166        ) {
3167            let Some(deps) = deps else {
3168                return;
3169            };
3170            deps.iter().for_each(|(k, _v)| {
3171                dep_name_set.insert(k.clone());
3172            });
3173        }
3174        let mut dep_name_set = BTreeSet::new();
3175        insert_dep_name(&mut dep_name_set, manifest.dependencies.as_ref());
3176        insert_dep_name(&mut dep_name_set, manifest.dev_dependencies());
3177        insert_dep_name(&mut dep_name_set, manifest.build_dependencies());
3178        if let Some(target_map) = manifest.target.as_ref() {
3179            target_map.iter().for_each(|(_k, v)| {
3180                insert_dep_name(&mut dep_name_set, v.dependencies.as_ref());
3181                insert_dep_name(&mut dep_name_set, v.dev_dependencies());
3182                insert_dep_name(&mut dep_name_set, v.build_dependencies());
3183            });
3184        }
3185        let features = manifest.features.as_mut();
3186
3187        let Some(features) = features else {
3188            return;
3189        };
3190
3191        features.values_mut().for_each(|feature_deps| {
3192            feature_deps.retain(|feature_dep| {
3193                let feature_value = FeatureValue::new(feature_dep.into());
3194                match feature_value {
3195                    FeatureValue::Dep { dep_name } | FeatureValue::DepFeature { dep_name, .. } => {
3196                        let k = &manifest::PackageName::new(dep_name.to_string()).unwrap();
3197                        dep_name_set.contains(k)
3198                    }
3199                    _ => true,
3200                }
3201            });
3202        });
3203    }
3204
3205    fn map_deps(
3206        gctx: &GlobalContext,
3207        deps: Option<&BTreeMap<manifest::PackageName, manifest::InheritableDependency>>,
3208        filter: impl Fn(&manifest::TomlDependency) -> bool,
3209    ) -> CargoResult<Option<BTreeMap<manifest::PackageName, manifest::InheritableDependency>>> {
3210        let Some(deps) = deps else {
3211            return Ok(None);
3212        };
3213        let deps = deps
3214            .iter()
3215            .filter(|(_k, v)| {
3216                if let manifest::InheritableDependency::Value(def) = v {
3217                    filter(def)
3218                } else {
3219                    false
3220                }
3221            })
3222            .map(|(k, v)| Ok((k.clone(), map_dependency(gctx, v)?)))
3223            .collect::<CargoResult<BTreeMap<_, _>>>()?;
3224        Ok(Some(deps))
3225    }
3226
3227    fn map_dependency(
3228        gctx: &GlobalContext,
3229        dep: &manifest::InheritableDependency,
3230    ) -> CargoResult<manifest::InheritableDependency> {
3231        let dep = match dep {
3232            manifest::InheritableDependency::Value(manifest::TomlDependency::Detailed(d)) => {
3233                let mut d = d.clone();
3234                // Path dependencies become crates.io deps.
3235                d.path.take();
3236                d.base.take();
3237                // Same with git dependencies.
3238                d.git.take();
3239                d.branch.take();
3240                d.tag.take();
3241                d.rev.take();
3242                // registry specifications are elaborated to the index URL
3243                if let Some(registry) = d.registry.take() {
3244                    d.registry_index = Some(gctx.get_registry_index(&registry)?.to_string());
3245                }
3246                Ok(d)
3247            }
3248            manifest::InheritableDependency::Value(manifest::TomlDependency::Simple(s)) => {
3249                Ok(manifest::TomlDetailedDependency {
3250                    version: Some(s.clone()),
3251                    ..Default::default()
3252                })
3253            }
3254            _ => unreachable!(),
3255        };
3256        dep.map(manifest::TomlDependency::Detailed)
3257            .map(manifest::InheritableDependency::Value)
3258    }
3259}
3260
3261pub fn prepare_targets_for_publish(
3262    targets: Option<&Vec<manifest::TomlTarget>>,
3263    packaged_files: Option<&[PathBuf]>,
3264    context: &str,
3265    gctx: &GlobalContext,
3266) -> CargoResult<Option<Vec<manifest::TomlTarget>>> {
3267    let Some(targets) = targets else {
3268        return Ok(None);
3269    };
3270
3271    let mut prepared = Vec::with_capacity(targets.len());
3272    for target in targets {
3273        let Some(target) = prepare_target_for_publish(target, packaged_files, context, gctx)?
3274        else {
3275            continue;
3276        };
3277        prepared.push(target);
3278    }
3279
3280    if prepared.is_empty() {
3281        Ok(None)
3282    } else {
3283        Ok(Some(prepared))
3284    }
3285}
3286
3287pub fn prepare_target_for_publish(
3288    target: &manifest::TomlTarget,
3289    packaged_files: Option<&[PathBuf]>,
3290    context: &str,
3291    gctx: &GlobalContext,
3292) -> CargoResult<Option<manifest::TomlTarget>> {
3293    let path = target.path.as_ref().expect("previously normalized");
3294    let path = &path.0;
3295    if let Some(packaged_files) = packaged_files {
3296        if !packaged_files.contains(&path) {
3297            let name = target.name.as_ref().expect("previously normalized");
3298            gctx.shell().warn(format!(
3299                "ignoring {context} `{name}` as `{}` is not included in the published package",
3300                path.display()
3301            ))?;
3302            return Ok(None);
3303        }
3304    }
3305
3306    let mut target = target.clone();
3307    let path = normalize_path_sep(path.to_path_buf(), context)?;
3308    target.path = Some(manifest::PathValue(path.into()));
3309
3310    Ok(Some(target))
3311}
3312
3313fn normalize_path_sep(path: PathBuf, context: &str) -> CargoResult<PathBuf> {
3314    let path = path
3315        .into_os_string()
3316        .into_string()
3317        .map_err(|_err| anyhow::format_err!("non-UTF8 path for {context}"))?;
3318    let path = normalize_path_string_sep(path);
3319    Ok(path.into())
3320}
3321
3322pub fn normalize_path_string_sep(path: String) -> String {
3323    if std::path::MAIN_SEPARATOR != '/' {
3324        path.replace(std::path::MAIN_SEPARATOR, "/")
3325    } else {
3326        path
3327    }
3328}