$ git clone -n https://src.fedoraproject.org/rpms/giac.git /var/lib/mock/f33-build-562634-65834/root/chroot_tmpdir/scmroot/giac
Cloning into '/var/lib/mock/f33-build-562634-65834/root/chroot_tmpdir/scmroot/giac'...
$ git reset --hard 4be4ac9468fdc15f036c8db7c2ef16ac94d4a1d1
HEAD is now at 4be4ac9 Rebuild for pari 2.13.0.