$ git clone -n https://src.fedoraproject.org/rpms/ucx.git /var/lib/mock/f39-build-1572071-37783/root/chroot_tmpdir/scmroot/ucx
Cloning into '/var/lib/mock/f39-build-1572071-37783/root/chroot_tmpdir/scmroot/ucx'...
$ git fetch origin 38482f56276efd36d232de925873998ac2f4d17e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ucx
 * [new ref]         38482f56276efd36d232de925873998ac2f4d17e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38482f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild