$ git clone -n https://src.fedoraproject.org/rpms/nmstate.git /var/lib/mock/f42-build-side-1-3584338-46893/root/chroot_tmpdir/scmroot/nmstate
Cloning into '/var/lib/mock/f42-build-side-1-3584338-46893/root/chroot_tmpdir/scmroot/nmstate'...
$ git fetch origin a4d29e403f2fd517ab9b3f459bb1d3e30c9806da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nmstate
 * [new ref]         a4d29e403f2fd517ab9b3f459bb1d3e30c9806da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4d29e4 Update to 2.2.46 upstream release