$ git clone -n https://src.fedoraproject.org/rpms/labwc.git /var/lib/mock/f39-build-2260634-54409/root/chroot_tmpdir/scmroot/labwc
Cloning into '/var/lib/mock/f39-build-2260634-54409/root/chroot_tmpdir/scmroot/labwc'...
$ git fetch origin b7166d9bde39223cc9ef054f9f92f9debfcbda02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/labwc
 * [new ref]         b7166d9bde39223cc9ef054f9f92f9debfcbda02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7166d9 Update to 0.7.0 and add patch for pipemenus support