$ git clone -n https://src.fedoraproject.org/rpms/cups-pdf.git /var/lib/mock/f31-build-67326-30012/root/chroot_tmpdir/scmroot/cups-pdf
Cloning into '/var/lib/mock/f31-build-67326-30012/root/chroot_tmpdir/scmroot/cups-pdf'...
$ git reset --hard 64b09db88094004b3047734fc46629c397818a9b
HEAD is now at 64b09db - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild