$ git clone -n https://src.fedoraproject.org/rpms/ldapdiff.git /var/lib/mock/f41-build-857662-168166/root/chroot_tmpdir/scmroot/ldapdiff
Cloning into '/var/lib/mock/f41-build-857662-168166/root/chroot_tmpdir/scmroot/ldapdiff'...
$ git fetch origin f1a55c1acb33ea81e5e0afe6fa176564c2a691a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldapdiff
 * [new ref]         f1a55c1acb33ea81e5e0afe6fa176564c2a691a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1a55c1 Convert to %autorelease and %autochangelog