$ git clone -n https://src.fedoraproject.org/rpms/libgsystem.git /var/lib/mock/f31-build-69052-30271/root/thebuilddir/tmp/scmroot/libgsystem
Cloning into '/var/lib/mock/f31-build-69052-30271/root/thebuilddir/tmp/scmroot/libgsystem'...
$ git reset --hard 95ba4617616538cf56b1dac12ff2d47fded4a38a
HEAD is now at 95ba461 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild