optimize

Author: liwagu

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

@@ -2885,20 +2885,6 @@ impl Config {
 
         Some(commit.to_string())
     }
-
-    /// Check for changes in specified directories since a given commit.
-    /// Returns true if changes exist, false if no changes
-    pub fn check_for_changes(&self, dirs: &[PathBuf], commit: &str) -> bool {
-        let mut git = helpers::git(Some(&self.src));
-        git.args(["diff-index", "--quiet", commit]);
-        if !dirs.is_empty() {
-            git.arg("--");
-            for dir in dirs {
-                git.arg(dir);
-            }
-        }
-        !t!(git.as_command_mut().status()).success()
-    }
 }
 
 /// Compares the current `Llvm` options against those in the CI LLVM builder and detects any incompatible options.