$ git clone -n https://src.fedoraproject.org/rpms/i3lock.git /var/lib/mock/f45-build-13933-455/root/chroot_tmpdir/scmroot/i3lock
Cloning into '/var/lib/mock/f45-build-13933-455/root/chroot_tmpdir/scmroot/i3lock'...
$ git fetch origin ce83fae440edf107da6c836ac977a0c5a68974bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/i3lock
 * [new ref]         ce83fae440edf107da6c836ac977a0c5a68974bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce83fae Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild