let mut cmd = Command::new("git");

    let mut child = cmd

        // This is a workaround to allow fetching particular commits by their OID.

        // Otherwise, the client errors with "Server does not allow request for unadvertised object"

        // See also `REF_UNADVERTISED_NOT_ALLOWED` in Git's `fetch-pack.c` (as of 0bd2d79).

        .args(["-c", "uploadpack.allowAnySHA1InWant"])

        .env("REQUEST_METHOD", method.as_str())

        .env("GIT_PROJECT_ROOT", git_dir)

        // "The GIT_HTTP_EXPORT_ALL environmental variable may be passed to git-http-backend to bypass