nix-linter is a program to check for several common mistakes or stylistic
errors in Nix expressions, such as unused arguments, empty let blocks,
etcetera.
First, setup cachix:
cachix use nix-linterThen clone the repo and cd into it:
git clone https://github.com/Synthetica9/nix-linter
cd nix-linterFinally, you can run the application with:
$(nix-build -A nix-linter)/bin/nix-linter --help
The nix-linter program
nix-linter [OPTIONS] [FILES]
Common flags:
-W --check=ITEM checks to enable
-j --json Use JSON output
-J --json-stream Use a newline-delimited stream of JSON objects
instead of a JSON list (implies --json)
-r --recursive Recursively walk given directories (like find)
-o --out[=FILE] File to output to
-h --help-for=CHECKS
-? --help Display help message
-V --version Print version information
-v --verbose Loud verbosity
-q --quiet Quiet verbosity
Available checks (See `nix-linter --help-for [CHECK]` for more details):
DIYInherit
EmptyInherit
EmptyLet
EtaReduce
FreeLetInFunc
LetInInheritRecset
ListLiteralConcat
NegateAtom
SequentialLet
SetLiteralUpdate
UnfortunateArgName
UnneededRec
UnusedArg
UnusedLetBind
UpdateEmptySet
AlphabeticalArgs (disabled by default)
AlphabeticalBindings (disabled by default)
BetaReduction (disabled by default)
EmptyVariadicParamSet (disabled by default)
UnneededAntiquote (disabled by default)