$ git clone -n https://src.fedoraproject.org/rpms/java-gnome.git /var/lib/mock/f31-build-111323-34147/root/chroot_tmpdir/scmroot/java-gnome
Cloning into '/var/lib/mock/f31-build-111323-34147/root/chroot_tmpdir/scmroot/java-gnome'...
$ git reset --hard c2b1d7fd5a4c17bdb8dc22544c814810b269f934
HEAD is now at c2b1d7f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild