$ git clone -n https://src.fedoraproject.org/rpms/tinycdb.git /var/lib/mock/f40-build-2206461-52052/root/chroot_tmpdir/scmroot/tinycdb
Cloning into '/var/lib/mock/f40-build-2206461-52052/root/chroot_tmpdir/scmroot/tinycdb'...
$ git fetch origin 7ead9ac2a8d2dc68bcb7bb47f82c73b6ade7ae30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tinycdb
 * [new ref]         7ead9ac2a8d2dc68bcb7bb47f82c73b6ade7ae30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ead9ac a new release! we get to remove one of the last md5sum lookasides