$ git clone -n https://src.fedoraproject.org/rpms/arachne-pnr.git /var/lib/mock/f31-build-74949-31209/root/chroot_tmpdir/scmroot/arachne-pnr
Cloning into '/var/lib/mock/f31-build-74949-31209/root/chroot_tmpdir/scmroot/arachne-pnr'...
$ git reset --hard f83f5190744f327c32a5b38753281a872d92c2ac
HEAD is now at f83f519 Updated for new source tarball.