$ git clone -n https://src.fedoraproject.org/rpms/golang-uber-zap.git /var/lib/mock/f45-build-12807-443/root/chroot_tmpdir/scmroot/golang-uber-zap
Cloning into '/var/lib/mock/f45-build-12807-443/root/chroot_tmpdir/scmroot/golang-uber-zap'...
$ git fetch origin aa01947bd8542038b6a6aa5350743f29784f0440:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-uber-zap
 * [new ref]         aa01947bd8542038b6a6aa5350743f29784f0440 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa01947 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild