> nix develop -c $SHELL> make> make test
> make test/unit
> make test/integration
> make test/integration.db2
> make test/integration.mariadb
> make test/integration.postgres
> make test.summary> make build
> make build.fast
> make build.small
> make build.safe> make clean> make run> make exec> make compose.up
> make compose.down