$ git clone -n https://src.fedoraproject.org/rpms/skanpage.git /var/lib/mock/f39-build-1662502-40667/root/chroot_tmpdir/scmroot/skanpage
Cloning into '/var/lib/mock/f39-build-1662502-40667/root/chroot_tmpdir/scmroot/skanpage'...
$ git fetch origin 4337c2761a46c6d9ce1b456aab9b919ffda23541:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/skanpage
 * [new ref]         4337c2761a46c6d9ce1b456aab9b919ffda23541 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4337c27 23.08.2