Refactor adding commits to a vec to be in their own little scope

sondr3 · sondr3 · commit cb090b909d47 · 2018-10-21T20:01:10.000+02:00
diff --git a/src/main.rs b/src/main.rs
@@ -120,13 +120,16 @@ fn main() -> Result<(), Box<Error>> {
     };
     let verbose = opt.verbose;
     let repo = Repository::open(&path)?;
-    let mut revwalk = repo.revwalk()?;
-    let mut commits: Vec<Commit> = Vec::new();
-    revwalk.push_head()?;
-    for commit in revwalk {
-        let commit = repo.find_commit(commit?)?;
-        commits.push(commit);
-    }
+    let commits = {
+        let mut revwalk = repo.revwalk()?;
+        let mut commits: Vec<Commit> = Vec::new();
+        revwalk.push_head()?;
+        for commit_id in revwalk {
+            let commit = repo.find_commit(commit_id?)?;
+            commits.push(commit);
+        }
+        commits
+    };
     let mut repo = Repo::new(path.file_name().unwrap().to_str().unwrap());
     for commit in &commits {
         let commit_message = commit
