$ git clone -n https://src.fedoraproject.org/rpms/python-pymaven-patch.git /var/lib/mock/f39-build-2038550-48175/root/chroot_tmpdir/scmroot/python-pymaven-patch
Cloning into '/var/lib/mock/f39-build-2038550-48175/root/chroot_tmpdir/scmroot/python-pymaven-patch'...
$ git fetch origin dd55d9961da170082d2f556530705e7df65bdc59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymaven-patch
 * [new ref]         dd55d9961da170082d2f556530705e7df65bdc59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd55d99 Initial import