$ git clone -n https://src.fedoraproject.org/rpms/compat-lua.git /var/lib/mock/f45-build-4516-332/root/chroot_tmpdir/scmroot/compat-lua
Cloning into '/var/lib/mock/f45-build-4516-332/root/chroot_tmpdir/scmroot/compat-lua'...
$ git fetch origin 6d6150f75d9ae27a3a77d3ea91d58b5f30e3481a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/compat-lua
 * [new ref]         6d6150f75d9ae27a3a77d3ea91d58b5f30e3481a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d6150f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild