$ git clone -n https://src.fedoraproject.org/rpms/nmstate.git /var/lib/mock/f42-build-side-1-3523440-46206/root/chroot_tmpdir/scmroot/nmstate
Cloning into '/var/lib/mock/f42-build-side-1-3523440-46206/root/chroot_tmpdir/scmroot/nmstate'...
$ git fetch origin a8f3afd03e9858d011af03cb092a87429eed1fc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nmstate
 * [new ref]         a8f3afd03e9858d011af03cb092a87429eed1fc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8f3afd Update to 2.2.44 upstream release