$ git clone -n https://src.fedoraproject.org/rpms/parsec.git /var/lib/mock/f40-build-1110462-20105/root/chroot_tmpdir/scmroot/parsec
Cloning into '/var/lib/mock/f40-build-1110462-20105/root/chroot_tmpdir/scmroot/parsec'...
$ git fetch origin 57721492a09521175fde3e6605f17bb61ea2ffec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/parsec
 * [new ref]         57721492a09521175fde3e6605f17bb61ea2ffec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5772149 1.4.1