source common.sh set -o pipefail clearStore rm -rf $TEST_HOME/.cache $TEST_HOME/.config $TEST_HOME/.local cp ./simple.nix ./simple.builder.sh ./fmt.simple.sh ./config.nix $TEST_HOME cd $TEST_HOME nix fmt --help | grep "Format" cat << EOF > flake.nix { outputs = _: { formatter.$system = with import ./config.nix; mkDerivation { name = "formatter"; buildCommand = '' mkdir -p \$out/bin echo "#! ${shell}" > \$out/bin/formatter cat \${./fmt.simple.sh} >> \$out/bin/formatter chmod +x \$out/bin/formatter ''; }; }; } EOF nix fmt ./file ./folder | grep 'Formatting: ./file ./folder' nix flake check nix flake show | grep -P "package 'formatter'" clearStore