In prog
./run create -o first ../integration_tests/data/0000-01-01.provision.json
./run append -i first.ge -o second.ge ../integration_tests/data/0000-01-01_with_2_changes.provision.json ../integration_tests/data/0000-01-01_with_4_changes.provision.json ../integration_tests/data/0000-01-01_with_6_changes.provision.json
./run stats second.ge