$ git clone -n https://src.fedoraproject.org/rpms/golang-github-daviddengcn-villa.git /var/lib/mock/f45-build-11855-435/root/chroot_tmpdir/scmroot/golang-github-daviddengcn-villa
Cloning into '/var/lib/mock/f45-build-11855-435/root/chroot_tmpdir/scmroot/golang-github-daviddengcn-villa'...
$ git fetch origin ef7a9d10234663a79c6529fa98c4a921f618c03c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-daviddengcn-villa
 * [new ref]         ef7a9d10234663a79c6529fa98c4a921f618c03c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef7a9d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild