$ git clone -n https://src.fedoraproject.org/rpms/trurl.git /var/lib/mock/f41-build-847711-164042/root/chroot_tmpdir/scmroot/trurl
Cloning into '/var/lib/mock/f41-build-847711-164042/root/chroot_tmpdir/scmroot/trurl'...
$ git fetch origin 7f40242a2e93fc2aed413dc93a6a299fb7b08ead:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trurl
 * [new ref]         7f40242a2e93fc2aed413dc93a6a299fb7b08ead -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f40242 Update to 0.15 (rhbz#2301594)