tidy/
edition.rs

1//! Tidy check to ensure that crate `edition` is '2021' or '2024'.
2
3use std::path::Path;
4
5use crate::diagnostics::{CheckId, DiagCtx};
6use crate::walk::{filter_dirs, walk};
7
8pub fn check(path: &Path, diag_ctx: DiagCtx) {
9    let mut check = diag_ctx.start_check(CheckId::new("edition").path(path));
10    walk(path, |path, _is_dir| filter_dirs(path), &mut |entry, contents| {
11        let file = entry.path();
12        let filename = file.file_name().unwrap();
13        if filename != "Cargo.toml" {
14            return;
15        }
16
17        let is_current_edition = contents
18            .lines()
19            .any(|line| line.trim() == "edition = \"2021\"" || line.trim() == "edition = \"2024\"");
20
21        let is_workspace = contents.lines().any(|line| line.trim() == "[workspace]");
22        let is_package = contents.lines().any(|line| line.trim() == "[package]");
23        assert!(is_workspace || is_package);
24
25        // Check that all packages use the 2021 edition. Virtual workspaces don't allow setting an
26        // edition, so these shouldn't be checked.
27        if is_package && !is_current_edition {
28            check.error(format!(
29                "{} doesn't have `edition = \"2021\"` or `edition = \"2024\"` on a separate line",
30                file.display()
31            ));
32        }
33    });
34}
tidy/edition.rs

tidy/
edition.rs
