$ git clone -n https://src.fedoraproject.org/rpms/golang-github-burntsushi-xgb.git /var/lib/mock/f45-build-11797-435/root/chroot_tmpdir/scmroot/golang-github-burntsushi-xgb
Cloning into '/var/lib/mock/f45-build-11797-435/root/chroot_tmpdir/scmroot/golang-github-burntsushi-xgb'...
$ git fetch origin 9344a8c1e1742f04c9fa2303ab9f9b99a5ae50fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-burntsushi-xgb
 * [new ref]         9344a8c1e1742f04c9fa2303ab9f9b99a5ae50fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9344a8c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild