Function commit_files_noop_when_clean

crates/flowtrace-cli/src/git.rs:511–520

()

    #[test]
    fn commit_files_noop_when_clean() {
        let d = tempdir().unwrap();
        init(d.path()).unwrap();
        write(&d.path().join("a.txt"), b"hi");
        commit_files(d.path(), "first", &["a.txt"]).unwrap();
        let sha1 = head_sha(d.path()).unwrap();
        commit_files(d.path(), "second", &["a.txt"]).unwrap();
        let sha2 = head_sha(d.path()).unwrap();
        assert_eq!(sha1, sha2, "no-op commit should not advance HEAD");
    }

    #[test]
    fn show_at_returns_historical_bytes() {