$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_tee.git /var/lib/mock/f41-build-810871-146977/root/chroot_tmpdir/scmroot/rust-uu_tee
Cloning into '/var/lib/mock/f41-build-810871-146977/root/chroot_tmpdir/scmroot/rust-uu_tee'...
$ git fetch origin b45c6cbe342ddd2ef36cfcc19aa666f51085be78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_tee
 * [new ref]         b45c6cbe342ddd2ef36cfcc19aa666f51085be78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b45c6cb Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces