$ git clone -n https://src.fedoraproject.org/rpms/python-k2hr3-osnl.git /var/lib/mock/f38-build-side-42-init-devel-1290079-30674/root/chroot_tmpdir/scmroot/python-k2hr3-osnl
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1290079-30674/root/chroot_tmpdir/scmroot/python-k2hr3-osnl'...
$ git fetch origin a36d42c83c2cc9ce0a248b29fe5fbcb4bb29c1da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-k2hr3-osnl
 * [new ref]         a36d42c83c2cc9ce0a248b29fe5fbcb4bb29c1da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a36d42c Added the README