$ git clone -n https://src.fedoraproject.org/rpms/arc.git /var/lib/mock/f31-build-53295-27831/root/chroot_tmpdir/scmroot/arc
Cloning into '/var/lib/mock/f31-build-53295-27831/root/chroot_tmpdir/scmroot/arc'...
$ git reset --hard 204eb2c3390f83439bfb29e2f895d223740bc224
HEAD is now at 204eb2c - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild