$ git clone -n https://src.fedoraproject.org/rpms/cdrdao.git /var/lib/mock/f40-build-2208911-52147/root/chroot_tmpdir/scmroot/cdrdao
Cloning into '/var/lib/mock/f40-build-2208911-52147/root/chroot_tmpdir/scmroot/cdrdao'...
$ git fetch origin 6593a74175c15bc08c092bc952561bcb6eb8f3b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cdrdao
 * [new ref]         6593a74175c15bc08c092bc952561bcb6eb8f3b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6593a74 Apply PR #25 to fix the "cdrdao version" command