$ git clone -n https://src.fedoraproject.org/rpms/parsec.git /var/lib/mock/f42-build-side-1-3589308-46957/root/chroot_tmpdir/scmroot/parsec
Cloning into '/var/lib/mock/f42-build-side-1-3589308-46957/root/chroot_tmpdir/scmroot/parsec'...
$ git fetch origin 3b7943c1051d9b9446b637e4ef0b2c10f0b561d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/parsec
 * [new ref]         3b7943c1051d9b9446b637e4ef0b2c10f0b561d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b7943c PARSEC is no longer being actively developed