$ git clone -n https://src.fedoraproject.org/rpms/alchemyquest.git /var/lib/mock/f39-build-1624834-39103/root/chroot_tmpdir/scmroot/alchemyquest
Cloning into '/var/lib/mock/f39-build-1624834-39103/root/chroot_tmpdir/scmroot/alchemyquest'...
$ git fetch origin bf23ff02d351d09b458cd47491598dd037f154e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alchemyquest
 * [new ref]         bf23ff02d351d09b458cd47491598dd037f154e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf23ff0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild