$ git clone -n https://src.fedoraproject.org/rpms/libass.git /var/lib/mock/f31-build-58170-28409/root/chroot_tmpdir/scmroot/libass
Cloning into '/var/lib/mock/f31-build-58170-28409/root/chroot_tmpdir/scmroot/libass'...
$ git reset --hard a6175bbf6a91c710a8d3680c72b4a1b2821cdb2e
HEAD is now at a6175bb - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild