Function build_path_to_oid

minecommit/src/odb/git.rs:144–159

Build a path → oid map for a commit using `git ls-tree -r`.

(
    git_dir: &PathBuf,
    commit_sha: &str,
)

/// Build a path → oid map for a commit using `git ls-tree -r`.
fn build_path_to_oid(
    git_dir: &PathBuf,
    commit_sha: &str,
) -> Result<HashMap<String, gix::ObjectId>> {
    let cmd = git_cmd(git_dir, ["ls-tree", "-r", "--", commit_sha]);
    Ok(exec(cmd, None)
        .context("failed to run ls-tree")?
        .lines()
        .filter_map(|line| {
            let oid_str = line.get(12..52)?;
            let path = line.get(53..)?.trim();
            let oid: gix::ObjectId = oid_str.parse().ok()?;
            Some((path.to_string(), oid))
        })
        .collect())
}

impl OdbReader for LocalGitOdb {
    fn get(&self, key: &str) -> Result<Vec<u8>> {