$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cpu-goacmedns.git /var/lib/mock/f45-build-11907-436/root/chroot_tmpdir/scmroot/golang-github-cpu-goacmedns
Cloning into '/var/lib/mock/f45-build-11907-436/root/chroot_tmpdir/scmroot/golang-github-cpu-goacmedns'...
$ git fetch origin a1147b92b18c0d0edfaf5e680c177879973a78cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cpu-goacmedns
 * [new ref]         a1147b92b18c0d0edfaf5e680c177879973a78cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1147b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild