nix/tests/functional/fmt.sh
Robert Hensing 8c4842de8c doc/nix fmt: Do not document behavior we do not control
This leads to confusion about what the command does.
E.g. https://github.com/NixOS/nix/issues/9359

- Move the description up

- Remove details about the individual formatters
2024-09-29 19:53:36 +02:00

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#!/usr/bin/env bash
source common.sh
TODO_NixOS # Provide a `shell` variable. Try not to `export` it, perhaps.
clearStoreIfPossible
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 "$TEST_HOME"
nix fmt --help | grep "forward"
cat << EOF > flake.nix
{
outputs = _: {
formatter.$system =
with import ./config.nix;
mkDerivation {
name = "formatter";
buildCommand = ''
mkdir -p \$out/bin
echo "#! ${shell}" > \$out/bin/formatter
cat \${./fmt.simple.sh} >> \$out/bin/formatter
chmod +x \$out/bin/formatter
'';
};
};
}
EOF
# No arguments check
[[ "$(nix fmt)" = "Formatting(0):" ]]
# Argument forwarding check
nix fmt ./file ./folder | grep 'Formatting(2): ./file ./folder'
nix flake check
nix flake show | grep -P "package 'formatter'"