$ git clone -n https://src.fedoraproject.org/rpms/cups-pdf.git /var/lib/mock/f31-build-58011-28397/root/chroot_tmpdir/scmroot/cups-pdf
Cloning into '/var/lib/mock/f31-build-58011-28397/root/chroot_tmpdir/scmroot/cups-pdf'...
$ git reset --hard 20564d11887f412bf16549508df562752ddb5157
HEAD is now at 20564d1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild