format

Author: liwagu

src/bootstrap/src/core/build_steps/tool.rs

@@ -594,12 +594,8 @@ impl Step for Rustdoc {
             && target_compiler.stage > 0
             && builder.rust_info().is_managed_git_subrepository()
         {
+            let files_to_track = &["src/librustdoc", "src/tools/rustdoc"];
 
-            let files_to_track = &[
-                "src/librustdoc",
-                "src/tools/rustdoc",
-            ];
-            
             if builder.config.last_modified_commit(files_to_track, "rustdoc", true).is_some() {
                 // if return Some(commit)，means unchanged
                 let precompiled_rustdoc = builder

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

@@ -2759,10 +2759,11 @@ impl Config {
 
         // Look for a version to compare to based on the current commit.
         // Only commits merged by bors will have CI artifacts.
-        let commit = match self.last_modified_commit(files_to_track, "download-rustc", if_unchanged) {
+        let commit = match self.last_modified_commit(files_to_track, "download-rustc", if_unchanged)
+        {
             Some(commit) => commit,
             None => {
-                if if_unchanged{
+                if if_unchanged {
                     return None;
                 }
                 println!("ERROR: could not find commit hash for downloading rustc");