curl -fsSL https://raw.githubusercontent.com/Noah4ever/sshconfig-lint/main/install.sh | bash

brew tap Noah4ever/tap
brew install sshconfig-lint

cargo install sshconfig-lint

yay -S sshconfig-lint-bin

paru -S sshconfig-lint-bin

# lint the default ~/.ssh/config
sshconfig-lint

# lint a specific file
sshconfig-lint --config /path/to/config

# json output
sshconfig-lint --format json

# treat warnings as errors (useful in CI)
sshconfig-lint --strict

# skip Include resolution
sshconfig-lint --no-includes

line 4: [warning] WILDCARD_ORDER (wildcard-host-order) Host 'github.com' appears after 'Host *' (line 1); it will never match because Host * already matched (hint: move Host * to the end of the file)
line 7: [warning] DUP_HOST (duplicate-host) duplicate Host block 'github.com' (first seen at line 4) (hint: remove one of the duplicate Host blocks)
line 3: [error] MISSING_IDENTITY (identity-file-exists) IdentityFile not found: ~/.ssh/id_missing (hint: check the path or remove the directive)

cargo test          # run all tests
cargo test --lib    # unit tests only
cargo clippy        # lint
cargo fmt --check   # formatting

src/
  main.rs        CLI
  lib.rs         Public API (lint_file, lint_str)
  model.rs       AST types
  lexer.rs       Tokenizer
  parser.rs      Builds config AST from tokens
  resolve.rs     Include expansion + cycle detection
  report.rs      Text and JSON formatters
  rules/
    mod.rs       Rule trait and runner
    basic.rs     Built-in rules
tests/
  fixtures/      Sample config files
  cli.rs         CLI integration tests
  integration.rs Fixture-based tests