$ git clone -n https://src.fedoraproject.org/rpms/python-flufl-lock.git /var/lib/mock/f39-build-1487770-34492/root/chroot_tmpdir/scmroot/python-flufl-lock
Cloning into '/var/lib/mock/f39-build-1487770-34492/root/chroot_tmpdir/scmroot/python-flufl-lock'...
$ git fetch origin 6d2dcbcce85bae5ae0ab500343127adce22e6302:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flufl-lock
 * [new ref]         6d2dcbcce85bae5ae0ab500343127adce22e6302 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d2dcbc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild