$ git clone -n https://src.fedoraproject.org/rpms/golang-rsc-pdf.git /var/lib/mock/f31-build-103090-33604/root/chroot_tmpdir/scmroot/golang-rsc-pdf
Cloning into '/var/lib/mock/f31-build-103090-33604/root/chroot_tmpdir/scmroot/golang-rsc-pdf'...
$ git reset --hard f0d775746b57c4af9b0f8d9935d0c68b3296ef8e
HEAD is now at f0d7757 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild