$ git clone -n https://src.fedoraproject.org/rpms/golang-github-juju-ratelimit.git /var/lib/mock/f45-build-12131-439/root/chroot_tmpdir/scmroot/golang-github-juju-ratelimit
Cloning into '/var/lib/mock/f45-build-12131-439/root/chroot_tmpdir/scmroot/golang-github-juju-ratelimit'...
$ git fetch origin adf030e725d30832d317e5f30ce13b55f8a27d82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-juju-ratelimit
 * [new ref]         adf030e725d30832d317e5f30ce13b55f8a27d82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adf030e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild