$ git clone -n https://src.fedoraproject.org/rpms/erlang-fast_yaml.git /var/lib/mock/f39-build-1580228-38060/root/chroot_tmpdir/scmroot/erlang-fast_yaml
Cloning into '/var/lib/mock/f39-build-1580228-38060/root/chroot_tmpdir/scmroot/erlang-fast_yaml'...
$ git fetch origin b29db8b15ffaf077dad5dd2b5d2d82178f7bf168:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-fast_yaml
 * [new ref]         b29db8b15ffaf077dad5dd2b5d2d82178f7bf168 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b29db8b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild