$ git clone -n https://src.fedoraproject.org/rpms/libpgf.git /var/lib/mock/f31-build-69901-30373/root/chroot_tmpdir/scmroot/libpgf
Cloning into '/var/lib/mock/f31-build-69901-30373/root/chroot_tmpdir/scmroot/libpgf'...
$ git reset --hard b9b15d7c75ad829635be280da64e71ce32159359
HEAD is now at b9b15d7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild