$ git clone -n https://src.fedoraproject.org/rpms/arb.git /var/lib/mock/f31-build-53293-27831/root/chroot_tmpdir/scmroot/arb
Cloning into '/var/lib/mock/f31-build-53293-27831/root/chroot_tmpdir/scmroot/arb'...
$ git reset --hard 7e5e7d3a10e140ed7e8b81c46396641079081029
HEAD is now at 7e5e7d3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild