use crate::core::{Edition, Shell, Workspace};
use crate::util::errors::CargoResult;
use crate::util::important_paths::find_root_manifest_for_wd;
use crate::util::toml_mut::is_sorted;
use crate::util::{existing_vcs_repo, FossilRepo, GitRepo, HgRepo, PijulRepo};
use crate::util::{restricted_names, GlobalContext};
use anyhow::{anyhow, Context as _};
use cargo_util::paths::{self, write_atomic};
use cargo_util_schemas::manifest::PackageName;
use serde::de;
use serde::Deserialize;
use std::collections::BTreeMap;
use std::ffi::OsStr;
use std::io::{BufRead, BufReader, ErrorKind};
use std::path::{Path, PathBuf};
use std::str::FromStr;
use std::{fmt, slice};
use toml_edit::{Array, Value};
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum VersionControl {
Git,
Hg,
Pijul,
Fossil,
NoVcs,
}
impl FromStr for VersionControl {
type Err = anyhow::Error;
fn from_str(s: &str) -> Result<Self, anyhow::Error> {
match s {
"git" => Ok(VersionControl::Git),
"hg" => Ok(VersionControl::Hg),
"pijul" => Ok(VersionControl::Pijul),
"fossil" => Ok(VersionControl::Fossil),
"none" => Ok(VersionControl::NoVcs),
other => anyhow::bail!("unknown vcs specification: `{}`", other),
}
}
}
impl<'de> de::Deserialize<'de> for VersionControl {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: de::Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
FromStr::from_str(&s).map_err(de::Error::custom)
}
}
#[derive(Debug)]
pub struct NewOptions {
pub version_control: Option<VersionControl>,
pub kind: NewProjectKind,
pub auto_detect_kind: bool,
pub path: PathBuf,
pub name: Option<String>,
pub edition: Option<String>,
pub registry: Option<String>,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum NewProjectKind {
Bin,
Lib,
}
impl NewProjectKind {
fn is_bin(self) -> bool {
self == NewProjectKind::Bin
}
}
impl fmt::Display for NewProjectKind {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match *self {
NewProjectKind::Bin => "binary (application)",
NewProjectKind::Lib => "library",
}
.fmt(f)
}
}
struct SourceFileInformation {
relative_path: String,
bin: bool,
}
struct MkOptions<'a> {
version_control: Option<VersionControl>,
path: &'a Path,
name: &'a str,
source_files: Vec<SourceFileInformation>,
edition: Option<&'a str>,
registry: Option<&'a str>,
}
impl NewOptions {
pub fn new(
version_control: Option<VersionControl>,
bin: bool,
lib: bool,
path: PathBuf,
name: Option<String>,
edition: Option<String>,
registry: Option<String>,
) -> CargoResult<NewOptions> {
let auto_detect_kind = !bin && !lib;
let kind = match (bin, lib) {
(true, true) => anyhow::bail!("can't specify both lib and binary outputs"),
(false, true) => NewProjectKind::Lib,
(_, false) => NewProjectKind::Bin,
};
let opts = NewOptions {
version_control,
kind,
auto_detect_kind,
path,
name,
edition,
registry,
};
Ok(opts)
}
}
#[derive(Deserialize)]
#[serde(rename_all = "kebab-case")]
struct CargoNewConfig {
#[deprecated = "cargo-new no longer supports adding the authors field"]
#[allow(dead_code)]
name: Option<String>,
#[deprecated = "cargo-new no longer supports adding the authors field"]
#[allow(dead_code)]
email: Option<String>,
#[serde(rename = "vcs")]
version_control: Option<VersionControl>,
}
fn get_name<'a>(path: &'a Path, opts: &'a NewOptions) -> CargoResult<&'a str> {
if let Some(ref name) = opts.name {
return Ok(name);
}
let file_name = path.file_name().ok_or_else(|| {
anyhow::format_err!(
"cannot auto-detect package name from path {:?} ; use --name to override",
path.as_os_str()
)
})?;
file_name.to_str().ok_or_else(|| {
anyhow::format_err!(
"cannot create package with a non-unicode name: {:?}",
file_name
)
})
}
fn check_name(
name: &str,
show_name_help: bool,
has_bin: bool,
shell: &mut Shell,
) -> CargoResult<()> {
let name_help = if show_name_help {
"\nIf you need a package name to not match the directory name, consider using --name flag."
} else {
""
};
let bin_help = || {
let mut help = String::from(name_help);
if has_bin && !name.is_empty() {
help.push_str(&format!(
"\n\
If you need a binary with the name \"{name}\", use a valid package \
name, and set the binary name to be different from the package. \
This can be done by setting the binary filename to `src/bin/{name}.rs` \
or change the name in Cargo.toml with:\n\
\n \
[[bin]]\n \
name = \"{name}\"\n \
path = \"src/main.rs\"\n\
",
name = name
));
}
help
};
PackageName::new(name).map_err(|err| {
let help = bin_help();
anyhow::anyhow!("{err}{help}")
})?;
if restricted_names::is_keyword(name) {
anyhow::bail!(
"the name `{}` cannot be used as a package name, it is a Rust keyword{}",
name,
bin_help()
);
}
if restricted_names::is_conflicting_artifact_name(name) {
if has_bin {
anyhow::bail!(
"the name `{}` cannot be used as a package name, \
it conflicts with cargo's build directory names{}",
name,
name_help
);
} else {
shell.warn(format!(
"the name `{}` will not support binary \
executables with that name, \
it conflicts with cargo's build directory names",
name
))?;
}
}
if name == "test" {
anyhow::bail!(
"the name `test` cannot be used as a package name, \
it conflicts with Rust's built-in test library{}",
bin_help()
);
}
if ["core", "std", "alloc", "proc_macro", "proc-macro"].contains(&name) {
shell.warn(format!(
"the name `{}` is part of Rust's standard library\n\
It is recommended to use a different name to avoid problems.{}",
name,
bin_help()
))?;
}
if restricted_names::is_windows_reserved(name) {
if cfg!(windows) {
anyhow::bail!(
"cannot use name `{}`, it is a reserved Windows filename{}",
name,
name_help
);
} else {
shell.warn(format!(
"the name `{}` is a reserved Windows filename\n\
This package will not work on Windows platforms.",
name
))?;
}
}
if restricted_names::is_non_ascii_name(name) {
shell.warn(format!(
"the name `{}` contains non-ASCII characters\n\
Non-ASCII crate names are not supported by Rust.",
name
))?;
}
let name_in_lowercase = name.to_lowercase();
if name != name_in_lowercase {
shell.warn(format!(
"the name `{name}` is not snake_case or kebab-case which is recommended for package names, consider `{name_in_lowercase}`"
))?;
}
Ok(())
}
fn check_path(path: &Path, shell: &mut Shell) -> CargoResult<()> {
if let Err(_) = paths::join_paths(slice::from_ref(&OsStr::new(path)), "") {
let path = path.to_string_lossy();
shell.warn(format!(
"the path `{path}` contains invalid PATH characters (usually `:`, `;`, or `\"`)\n\
It is recommended to use a different name to avoid problems."
))?;
}
Ok(())
}
fn detect_source_paths_and_types(
package_path: &Path,
package_name: &str,
detected_files: &mut Vec<SourceFileInformation>,
) -> CargoResult<()> {
let path = package_path;
let name = package_name;
enum H {
Bin,
Lib,
Detect,
}
struct Test {
proposed_path: String,
handling: H,
}
let tests = vec![
Test {
proposed_path: "src/main.rs".to_string(),
handling: H::Bin,
},
Test {
proposed_path: "main.rs".to_string(),
handling: H::Bin,
},
Test {
proposed_path: format!("src/{}.rs", name),
handling: H::Detect,
},
Test {
proposed_path: format!("{}.rs", name),
handling: H::Detect,
},
Test {
proposed_path: "src/lib.rs".to_string(),
handling: H::Lib,
},
Test {
proposed_path: "lib.rs".to_string(),
handling: H::Lib,
},
];
for i in tests {
let pp = i.proposed_path;
if !path.join(&pp).is_file() {
continue;
}
let sfi = match i.handling {
H::Bin => SourceFileInformation {
relative_path: pp,
bin: true,
},
H::Lib => SourceFileInformation {
relative_path: pp,
bin: false,
},
H::Detect => {
let content = paths::read(&path.join(pp.clone()))?;
let isbin = content.contains("fn main");
SourceFileInformation {
relative_path: pp,
bin: isbin,
}
}
};
detected_files.push(sfi);
}
let mut previous_lib_relpath: Option<&str> = None;
let mut duplicates_checker: BTreeMap<&str, &SourceFileInformation> = BTreeMap::new();
for i in detected_files {
if i.bin {
if let Some(x) = BTreeMap::get::<str>(&duplicates_checker, &name) {
anyhow::bail!(
"\
multiple possible binary sources found:
{}
{}
cannot automatically generate Cargo.toml as the main target would be ambiguous",
&x.relative_path,
&i.relative_path
);
}
duplicates_checker.insert(name, i);
} else {
if let Some(plp) = previous_lib_relpath {
anyhow::bail!(
"cannot have a package with \
multiple libraries, \
found both `{}` and `{}`",
plp,
i.relative_path
)
}
previous_lib_relpath = Some(&i.relative_path);
}
}
Ok(())
}
fn plan_new_source_file(bin: bool) -> SourceFileInformation {
if bin {
SourceFileInformation {
relative_path: "src/main.rs".to_string(),
bin: true,
}
} else {
SourceFileInformation {
relative_path: "src/lib.rs".to_string(),
bin: false,
}
}
}
fn calculate_new_project_kind(
requested_kind: NewProjectKind,
auto_detect_kind: bool,
found_files: &Vec<SourceFileInformation>,
) -> NewProjectKind {
let bin_file = found_files.iter().find(|x| x.bin);
let kind_from_files = if !found_files.is_empty() && bin_file.is_none() {
NewProjectKind::Lib
} else {
NewProjectKind::Bin
};
if auto_detect_kind {
return kind_from_files;
}
requested_kind
}
pub fn new(opts: &NewOptions, gctx: &GlobalContext) -> CargoResult<()> {
let path = &opts.path;
let name = get_name(path, opts)?;
gctx.shell()
.status("Creating", format!("{} `{}` package", opts.kind, name))?;
if path.exists() {
anyhow::bail!(
"destination `{}` already exists\n\n\
Use `cargo init` to initialize the directory",
path.display()
)
}
check_path(path, &mut gctx.shell())?;
let is_bin = opts.kind.is_bin();
check_name(name, opts.name.is_none(), is_bin, &mut gctx.shell())?;
let mkopts = MkOptions {
version_control: opts.version_control,
path,
name,
source_files: vec![plan_new_source_file(opts.kind.is_bin())],
edition: opts.edition.as_deref(),
registry: opts.registry.as_deref(),
};
mk(gctx, &mkopts).with_context(|| {
format!(
"Failed to create package `{}` at `{}`",
name,
path.display()
)
})?;
Ok(())
}
pub fn init(opts: &NewOptions, gctx: &GlobalContext) -> CargoResult<NewProjectKind> {
if gctx.get_env_os("__CARGO_TEST_INTERNAL_ERROR").is_some() {
return Err(crate::util::internal("internal error test"));
}
let path = &opts.path;
let name = get_name(path, opts)?;
let mut src_paths_types = vec![];
detect_source_paths_and_types(path, name, &mut src_paths_types)?;
let kind = calculate_new_project_kind(opts.kind, opts.auto_detect_kind, &src_paths_types);
gctx.shell()
.status("Creating", format!("{} package", opts.kind))?;
if path.join("Cargo.toml").exists() {
anyhow::bail!("`cargo init` cannot be run on existing Cargo packages")
}
check_path(path, &mut gctx.shell())?;
let has_bin = kind.is_bin();
if src_paths_types.is_empty() {
src_paths_types.push(plan_new_source_file(has_bin));
} else if src_paths_types.len() == 1 && !src_paths_types.iter().any(|x| x.bin == has_bin) {
let file_type = if src_paths_types[0].bin {
NewProjectKind::Bin
} else {
NewProjectKind::Lib
};
gctx.shell().warn(format!(
"file `{}` seems to be a {} file",
src_paths_types[0].relative_path, file_type
))?;
src_paths_types[0].bin = has_bin
} else if src_paths_types.len() > 1 && !has_bin {
anyhow::bail!(
"cannot have a package with \
multiple libraries, \
found both `{}` and `{}`",
src_paths_types[0].relative_path,
src_paths_types[1].relative_path
)
}
check_name(name, opts.name.is_none(), has_bin, &mut gctx.shell())?;
let mut version_control = opts.version_control;
if version_control == None {
let mut num_detected_vcses = 0;
if path.join(".git").exists() {
version_control = Some(VersionControl::Git);
num_detected_vcses += 1;
}
if path.join(".hg").exists() {
version_control = Some(VersionControl::Hg);
num_detected_vcses += 1;
}
if path.join(".pijul").exists() {
version_control = Some(VersionControl::Pijul);
num_detected_vcses += 1;
}
if path.join(".fossil").exists() {
version_control = Some(VersionControl::Fossil);
num_detected_vcses += 1;
}
if num_detected_vcses > 1 {
anyhow::bail!(
"more than one of .hg, .git, .pijul, .fossil configurations \
found and the ignore file can't be filled in as \
a result. specify --vcs to override detection"
);
}
}
let mkopts = MkOptions {
version_control,
path,
name,
source_files: src_paths_types,
edition: opts.edition.as_deref(),
registry: opts.registry.as_deref(),
};
mk(gctx, &mkopts).with_context(|| {
format!(
"Failed to create package `{}` at `{}`",
name,
path.display()
)
})?;
Ok(kind)
}
struct IgnoreList {
ignore: Vec<String>,
hg_ignore: Vec<String>,
fossil_ignore: Vec<String>,
}
impl IgnoreList {
fn new() -> IgnoreList {
IgnoreList {
ignore: Vec::new(),
hg_ignore: Vec::new(),
fossil_ignore: Vec::new(),
}
}
fn push(&mut self, ignore: &str, hg_ignore: &str, fossil_ignore: &str) {
self.ignore.push(ignore.to_string());
self.hg_ignore.push(hg_ignore.to_string());
self.fossil_ignore.push(fossil_ignore.to_string());
}
fn format_new(&self, vcs: VersionControl) -> String {
let ignore_items = match vcs {
VersionControl::Hg => &self.hg_ignore,
VersionControl::Fossil => &self.fossil_ignore,
_ => &self.ignore,
};
ignore_items.join("\n") + "\n"
}
fn format_existing<T: BufRead>(&self, existing: T, vcs: VersionControl) -> CargoResult<String> {
let mut existing_items = Vec::new();
for (i, item) in existing.lines().enumerate() {
match item {
Ok(s) => existing_items.push(s),
Err(err) => match err.kind() {
ErrorKind::InvalidData => {
return Err(anyhow!(
"Character at line {} is invalid. Cargo only supports UTF-8.",
i
))
}
_ => return Err(anyhow!(err)),
},
}
}
let ignore_items = match vcs {
VersionControl::Hg => &self.hg_ignore,
VersionControl::Fossil => &self.fossil_ignore,
_ => &self.ignore,
};
let mut out = String::new();
if vcs != VersionControl::Fossil {
out.push_str("\n\n# Added by cargo\n");
if ignore_items
.iter()
.any(|item| existing_items.contains(item))
{
out.push_str("#\n# already existing elements were commented out\n");
}
out.push('\n');
}
for item in ignore_items {
if existing_items.contains(item) {
if vcs == VersionControl::Fossil {
continue;
}
out.push('#');
}
out.push_str(item);
out.push('\n');
}
Ok(out)
}
}
fn write_ignore_file(base_path: &Path, list: &IgnoreList, vcs: VersionControl) -> CargoResult<()> {
if vcs == VersionControl::Fossil {
paths::create_dir_all(base_path.join(".fossil-settings"))?;
}
for fp_ignore in match vcs {
VersionControl::Git => vec![base_path.join(".gitignore")],
VersionControl::Hg => vec![base_path.join(".hgignore")],
VersionControl::Pijul => vec![base_path.join(".ignore")],
VersionControl::Fossil => vec![
base_path.join(".fossil-settings/ignore-glob"),
base_path.join(".fossil-settings/clean-glob"),
],
VersionControl::NoVcs => return Ok(()),
} {
let ignore: String = match paths::open(&fp_ignore) {
Err(err) => match err.downcast_ref::<std::io::Error>() {
Some(io_err) if io_err.kind() == ErrorKind::NotFound => list.format_new(vcs),
_ => return Err(err),
},
Ok(file) => list.format_existing(BufReader::new(file), vcs)?,
};
paths::append(&fp_ignore, ignore.as_bytes())?;
}
Ok(())
}
fn init_vcs(path: &Path, vcs: VersionControl, gctx: &GlobalContext) -> CargoResult<()> {
match vcs {
VersionControl::Git => {
if !path.join(".git").exists() {
paths::create_dir_all(path)?;
GitRepo::init(path, gctx.cwd())?;
}
}
VersionControl::Hg => {
if !path.join(".hg").exists() {
HgRepo::init(path, gctx.cwd())?;
}
}
VersionControl::Pijul => {
if !path.join(".pijul").exists() {
PijulRepo::init(path, gctx.cwd())?;
}
}
VersionControl::Fossil => {
if !path.join(".fossil").exists() {
FossilRepo::init(path, gctx.cwd())?;
}
}
VersionControl::NoVcs => {
paths::create_dir_all(path)?;
}
};
Ok(())
}
fn mk(gctx: &GlobalContext, opts: &MkOptions<'_>) -> CargoResult<()> {
let path = opts.path;
let name = opts.name;
let cfg = gctx.get::<CargoNewConfig>("cargo-new")?;
let mut ignore = IgnoreList::new();
ignore.push("/target", "^target$", "target");
let vcs = opts.version_control.unwrap_or_else(|| {
let in_existing_vcs = existing_vcs_repo(path.parent().unwrap_or(path), gctx.cwd());
match (cfg.version_control, in_existing_vcs) {
(None, false) => VersionControl::Git,
(Some(opt), false) => opt,
(_, true) => VersionControl::NoVcs,
}
});
init_vcs(path, vcs, gctx)?;
write_ignore_file(path, &ignore, vcs)?;
let mut manifest = toml_edit::DocumentMut::new();
manifest["package"] = toml_edit::Item::Table(toml_edit::Table::new());
manifest["package"]["name"] = toml_edit::value(name);
manifest["package"]["version"] = toml_edit::value("0.1.0");
let edition = match opts.edition {
Some(edition) => edition.to_string(),
None => Edition::LATEST_STABLE.to_string(),
};
manifest["package"]["edition"] = toml_edit::value(edition);
if let Some(registry) = opts.registry {
let mut array = toml_edit::Array::default();
array.push(registry);
manifest["package"]["publish"] = toml_edit::value(array);
}
let dep_table = toml_edit::Table::default();
manifest["dependencies"] = toml_edit::Item::Table(dep_table);
for i in &opts.source_files {
if i.bin {
if i.relative_path != "src/main.rs" {
let mut bin = toml_edit::Table::new();
bin["name"] = toml_edit::value(name);
bin["path"] = toml_edit::value(i.relative_path.clone());
manifest["bin"]
.or_insert(toml_edit::Item::ArrayOfTables(
toml_edit::ArrayOfTables::new(),
))
.as_array_of_tables_mut()
.expect("bin is an array of tables")
.push(bin);
}
} else if i.relative_path != "src/lib.rs" {
let mut lib = toml_edit::Table::new();
lib["path"] = toml_edit::value(i.relative_path.clone());
manifest["lib"] = toml_edit::Item::Table(lib);
}
}
let manifest_path = paths::normalize_path(&path.join("Cargo.toml"));
if let Ok(root_manifest_path) = find_root_manifest_for_wd(&manifest_path) {
let root_manifest = paths::read(&root_manifest_path)?;
if let Ok(mut workspace_document) = root_manifest.parse::<toml_edit::DocumentMut>() {
let display_path = get_display_path(&root_manifest_path, &path)?;
let can_be_a_member = can_be_workspace_member(&display_path, &workspace_document)?;
if can_be_a_member {
if let Some(workspace_package_keys) = workspace_document
.get("workspace")
.and_then(|workspace| workspace.get("package"))
.and_then(|package| package.as_table())
{
update_manifest_with_inherited_workspace_package_keys(
opts,
&mut manifest,
workspace_package_keys,
)
}
if workspace_document
.get("workspace")
.and_then(|workspace| workspace.get("lints"))
.is_some()
{
let mut table = toml_edit::Table::new();
table["workspace"] = toml_edit::value(true);
manifest["lints"] = toml_edit::Item::Table(table);
}
if update_manifest_with_new_member(
&root_manifest_path,
&mut workspace_document,
&display_path,
)? {
gctx.shell().status(
"Adding",
format!(
"`{}` as member of workspace at `{}`",
PathBuf::from(&display_path)
.file_name()
.unwrap()
.to_str()
.unwrap(),
root_manifest_path.parent().unwrap().display()
),
)?
}
}
}
}
paths::write(&manifest_path, manifest.to_string())?;
for i in &opts.source_files {
let path_of_source_file = path.join(i.relative_path.clone());
if let Some(src_dir) = path_of_source_file.parent() {
paths::create_dir_all(src_dir)?;
}
let default_file_content: &[u8] = if i.bin {
b"\
fn main() {
println!(\"Hello, world!\");
}
"
} else {
b"\
pub fn add(left: u64, right: u64) -> u64 {
left + right
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_works() {
let result = add(2, 2);
assert_eq!(result, 4);
}
}
"
};
if !path_of_source_file.is_file() {
paths::write(&path_of_source_file, default_file_content)?;
if let Err(e) = cargo_util::ProcessBuilder::new("rustfmt")
.arg(&path_of_source_file)
.exec_with_output()
{
tracing::warn!("failed to call rustfmt: {:#}", e);
}
}
}
if let Err(e) = Workspace::new(&manifest_path, gctx) {
crate::display_warning_with_error(
"compiling this new package may not work due to invalid \
workspace configuration",
&e,
&mut gctx.shell(),
);
}
gctx.shell().note(
"see more `Cargo.toml` keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html",
)?;
Ok(())
}
fn update_manifest_with_inherited_workspace_package_keys(
opts: &MkOptions<'_>,
manifest: &mut toml_edit::DocumentMut,
workspace_package_keys: &toml_edit::Table,
) {
if workspace_package_keys.is_empty() {
return;
}
let try_remove_and_inherit_package_key = |key: &str, manifest: &mut toml_edit::DocumentMut| {
let package = manifest["package"]
.as_table_mut()
.expect("package is a table");
package.remove(key);
let mut table = toml_edit::Table::new();
table.set_dotted(true);
table["workspace"] = toml_edit::value(true);
package.insert(key, toml_edit::Item::Table(table));
};
for (key, _) in workspace_package_keys {
if key == "edition" && opts.edition.is_some() {
continue;
}
if key == "publish" && opts.registry.is_some() {
continue;
}
try_remove_and_inherit_package_key(key, manifest);
}
}
fn update_manifest_with_new_member(
root_manifest_path: &Path,
workspace_document: &mut toml_edit::DocumentMut,
display_path: &str,
) -> CargoResult<bool> {
let Some(workspace) = workspace_document.get_mut("workspace") else {
return Ok(false);
};
if let Some(members) = workspace
.get_mut("members")
.and_then(|members| members.as_array_mut())
{
for member in members.iter() {
let pat = member
.as_str()
.with_context(|| format!("invalid non-string member `{}`", member))?;
let pattern = glob::Pattern::new(pat)
.with_context(|| format!("cannot build glob pattern from `{}`", pat))?;
if pattern.matches(&display_path) {
return Ok(false);
}
}
let was_sorted = is_sorted(members.iter().map(Value::as_str));
members.push(display_path);
if was_sorted {
members.sort_by(|lhs, rhs| lhs.as_str().cmp(&rhs.as_str()));
}
} else {
let mut array = Array::new();
array.push(display_path);
workspace["members"] = toml_edit::value(array);
}
write_atomic(
&root_manifest_path,
workspace_document.to_string().to_string().as_bytes(),
)?;
Ok(true)
}
fn get_display_path(root_manifest_path: &Path, package_path: &Path) -> CargoResult<String> {
let workspace_root = root_manifest_path.parent().with_context(|| {
format!(
"workspace root manifest doesn't have a parent directory `{}`",
root_manifest_path.display()
)
})?;
let relpath = pathdiff::diff_paths(package_path, workspace_root).with_context(|| {
format!(
"path comparison requires two absolute paths; package_path: `{}`, workspace_path: `{}`",
package_path.display(),
workspace_root.display()
)
})?;
let mut components = Vec::new();
for comp in relpath.iter() {
let comp = comp.to_str().with_context(|| {
format!("invalid unicode component in path `{}`", relpath.display())
})?;
components.push(comp);
}
let display_path = components.join("/");
Ok(display_path)
}
fn can_be_workspace_member(
display_path: &str,
workspace_document: &toml_edit::DocumentMut,
) -> CargoResult<bool> {
if let Some(exclude) = workspace_document
.get("workspace")
.and_then(|workspace| workspace.get("exclude"))
.and_then(|exclude| exclude.as_array())
{
for member in exclude {
let pat = member
.as_str()
.with_context(|| format!("invalid non-string exclude path `{}`", member))?;
if pat == display_path {
return Ok(false);
}
}
}
Ok(true)
}