chore

Author: liwagu

src/bootstrap/src/core/config/config.rs

@@ -1351,9 +1351,9 @@ impl Config {
             config.out = Path::new(
                 &env::var_os("CARGO_TARGET_DIR").expect("cargo test directly is not supported"),
             )
-            .parent()
-            .unwrap()
-            .to_path_buf();
+                .parent()
+                .unwrap()
+                .to_path_buf();
         }
 
         config.stage0_metadata = build_helper::stage0_parser::parse_stage0_file();
@@ -2395,11 +2395,11 @@ impl Config {
                                 println!("WARNING: CI rustc has some fields that are no longer supported in bootstrap; download-rustc will be disabled.");
                                 println!("HELP: Consider rebasing to a newer commit if available.");
                                 return None;
-                            },
+                            }
                             Err(e) => {
                                 eprintln!("ERROR: Failed to parse CI rustc config.toml: {e}");
                                 exit!(2);
-                            },
+                            }
                         };
 
                         let current_config_toml = Self::get_toml(config_path).unwrap();
@@ -2413,7 +2413,7 @@ impl Config {
 
                         let disable_ci_rustc_if_incompatible =
                             env::var_os("DISABLE_CI_RUSTC_IF_INCOMPATIBLE")
-                            .is_some_and(|s| s == "1" || s == "true");
+                                .is_some_and(|s| s == "1" || s == "true");
 
                         if disable_ci_rustc_if_incompatible && res.is_err() {
                             println!("WARNING: download-rustc is disabled with `DISABLE_CI_RUSTC_IF_INCOMPATIBLE` env.");
@@ -2620,7 +2620,7 @@ impl Config {
                     .args(["symbolic-ref", "--short", "HEAD"])
                     .as_command_mut(),
             )
-            .map(|b| b.trim().to_owned());
+                .map(|b| b.trim().to_owned());
 
             let mut git = helpers::git(Some(&self.src)).allow_failure();
             git.run_always();
@@ -2689,11 +2689,11 @@ impl Config {
         let source_version = semver::Version::parse(
             fs::read_to_string(self.src.join("src/version")).unwrap().trim(),
         )
-        .unwrap();
+            .unwrap();
         if !(source_version == stage0_version
             || (source_version.major == stage0_version.major
-                && (source_version.minor == stage0_version.minor
-                    || source_version.minor == stage0_version.minor + 1)))
+            && (source_version.minor == stage0_version.minor
+            || source_version.minor == stage0_version.minor + 1)))
         {
             let prev_version = format!("{}.{}.x", source_version.major, source_version.minor - 1);
             fail(&format!(
@@ -2845,10 +2845,13 @@ impl Config {
         if_unchanged: bool,
     ) -> Option<bool> {
         let mut git = helpers::git(Some(&self.src));
-        git.args(["diff-index", "--quiet", commit, "--"]);
+        git.args(["diff-index", "--quiet", commit]);
 
-        for dir in dirs {
-            git.arg(self.src.join(dir));
+        if !dirs.is_empty() {
+            git.arg("--");
+            for dir in dirs {
+                git.arg(self.src.join(dir));
+            }
         }
 
         let has_changes = !t!(git.as_command_mut().status()).success();