$ git clone -n https://src.fedoraproject.org/rpms/stalld.git /var/lib/mock/f39-build-1796362-41760/root/chroot_tmpdir/scmroot/stalld
Cloning into '/var/lib/mock/f39-build-1796362-41760/root/chroot_tmpdir/scmroot/stalld'...
$ git fetch origin 6bb64a46d0cdf722fc89178612d02947cd99e0ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stalld
 * [new ref]         6bb64a46d0cdf722fc89178612d02947cd99e0ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bb64a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild