$ git clone -n https://src.fedoraproject.org/rpms/darkman.git /var/lib/mock/f38-build-side-42-init-devel-1007071-29377/root/chroot_tmpdir/scmroot/darkman
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1007071-29377/root/chroot_tmpdir/scmroot/darkman'...
$ git fetch origin b14e4f0a80cba4b85cb3dd23ffd01d039257b89e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/darkman
 * [new ref]         b14e4f0a80cba4b85cb3dd23ffd01d039257b89e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b14e4f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild