$ git clone -n https://src.fedoraproject.org/rpms/R-qpdf.git /var/lib/mock/f31-build-74155-31083/root/chroot_tmpdir/scmroot/R-qpdf
Cloning into '/var/lib/mock/f31-build-74155-31083/root/chroot_tmpdir/scmroot/R-qpdf'...
$ git reset --hard 65d01852645ccc43befd09365c29da1fa46cedf1
HEAD is now at 65d0185 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild