$ git clone -n https://src.fedoraproject.org/rpms/golang-github-twmb-murmur3.git /var/lib/mock/f45-build-12581-442/root/chroot_tmpdir/scmroot/golang-github-twmb-murmur3
Cloning into '/var/lib/mock/f45-build-12581-442/root/chroot_tmpdir/scmroot/golang-github-twmb-murmur3'...
$ git fetch origin 97081908eda39ee6a08df7f136a780fd4af23795:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-twmb-murmur3
 * [new ref]         97081908eda39ee6a08df7f136a780fd4af23795 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9708190 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild