$ git clone -n https://src.fedoraproject.org/rpms/golang-gitlab-yawning-edwards25519-extra.git /var/lib/mock/f45-build-12723-443/root/chroot_tmpdir/scmroot/golang-gitlab-yawning-edwards25519-extra
Cloning into '/var/lib/mock/f45-build-12723-443/root/chroot_tmpdir/scmroot/golang-gitlab-yawning-edwards25519-extra'...
$ git fetch origin ca5570fd7cce3b8d20744cabe7e9c233beef73de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gitlab-yawning-edwards25519-extra
 * [new ref]         ca5570fd7cce3b8d20744cabe7e9c233beef73de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca5570f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild