$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lann-ps.git /var/lib/mock/f45-build-12133-439/root/chroot_tmpdir/scmroot/golang-github-lann-ps
Cloning into '/var/lib/mock/f45-build-12133-439/root/chroot_tmpdir/scmroot/golang-github-lann-ps'...
$ git fetch origin a23bab88531b8ff51bdd5bdde50819c5166c6ef8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lann-ps
 * [new ref]         a23bab88531b8ff51bdd5bdde50819c5166c6ef8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a23bab8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild