genlint

A generic and flexible linter tool written in Rust. The genlint supports multiple rules, formats, and input sources.

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Features

• Check for common issues such as:
  • Mixed indentation
  • Trailing whitespace
  • Git conflict markers
  • Long lines
  • Control characters
  • Consecutive blank lines
  • Missing final newline
• Configurable rule disabling
• Input from stdin or multiple files
• Outputs in plain, json, or jsonl formats
• Shell completions for Bash, Zsh, Fish, and PowerShell

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Usage

Command-Line Options

Usage: genlint [OPTIONS] <--stdin|--input <FILES>...>
       genlint [OPTIONS] <COMMAND>

Commands:
  generate-completion  Generate shell completions
  help                 Print this message or the help of the given subcommand(s)

Options:
  -s, --stdin                        Read input from stdin
  -i, --input <FILES>...             Input file(s) to lint
  -e, --exclude <PATTERNS>...        Glob patterns to exclude
  -f, --format <FORMAT>              Output format [default: plain] [possible values: json, jsonl, plain]
  -o, --output <FILE>                Output file path
  -d, --disable <CHECKS>...          Disable specific checks [possible values: mix-indent, trailing-space, conflict-marker, long-line, control-char, consecutive-blank, final-newline]
  -l, --max-line-length <NUM>        Maximum allowed line length [default: 120]
  -c, --max-consecutive-blank <NUM>  Maximum allowed consecutive blank lines [default: 1]
  -h, --help                         Print help
  -V, --version                      Print version

Example

# Lint all Rust files
genlint --input "src/**/*.rs" --format plain

# Lint from stdin
cat main.rs | genlint --stdin --format json

# Disable certain checks
genlint --input "src/**/*.rs" --disable long-lines control-chars

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Supported Rules

• mixed-indent: Detect mixed tabs and spaces
• trailing-space: Detect trailing whitespaces or tabs
• conflict-marker: Detect Git conflict markers
• long-line: Warn when line exceeds a max length (default: 120)
• control-char: Detect ASCII control characters
• consecutive-blank: Warn if more than two consecutive blank lines
• final-newline: Warn if missing newline at EOF

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Shell Completion

genlint generate-completion bash > _genlint
source ./_genlint

Replace bash with zsh, fish, or powershell as needed.

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License

The project is using MIT License.