$ git clone -n https://src.fedoraproject.org/rpms/python-throttler.git /var/lib/mock/f41-build-side-2-python-2728049-30787/root/chroot_tmpdir/scmroot/python-throttler
Cloning into '/var/lib/mock/f41-build-side-2-python-2728049-30787/root/chroot_tmpdir/scmroot/python-throttler'...
$ git fetch origin a91a42872bb3ee39a87c96c4b7393ef0ceeb3f0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-throttler
 * [new ref]         a91a42872bb3ee39a87c96c4b7393ef0ceeb3f0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a91a428 Add an rpmlintrc file