.golangci.yml

run:
  # timeout for analysis
  deadline: 10m

  # Skip autogenerated files for mobile and gRPC.
  skip-files:
    - "mobile\\/.*generated\\.go"
    - "\\.pb\\.go$"
    - "\\.pb\\.gw\\.go$"

  skip-dirs:
    - channeldb/migration_01_to_11
    - channeldb/migration/lnwire21

  build-tags:
    - autopilotrpc
    - chainrpc
    - dev
    - invoicesrpc
    - neutrinorpc
    - peersrpc
    - signrpc
    - walletrpc
    - watchtowerrpc
    - kvdb_etcd
    - kvdb_postgres

linters-settings:
  govet:
    # Don't report about shadowed variables
    check-shadowing: false
  gofmt:
    # simplify code: gofmt with `-s` option, true by default
    simplify: true
  tagliatelle:
    case:
      rules:
        json: snake
  whitespace:
    multi-func: true
    multi-if: true
  gosec:
    excludes:
      - G402 # Look for bad TLS connection settings.
      - G306 # Poor file permissions used when writing to a new file.
  staticcheck: 
    go: "1.18"
    checks: ["-SA1019"]

linters:
  enable-all: true
  disable:
  # Global variables are used in many places throughout the code base.
  - gochecknoglobals

  # Some lines are over 80 characters on purpose and we don't want to make them
  # even longer by marking them as 'nolint'.
  - lll

  # We want to allow short variable names.
  - varnamelen

  # We want to allow TODOs.
  - godox

  # We have long functions, especially in tests. Moving or renaming those would
  # trigger funlen problems that we may not want to solve at that time.
  - funlen

  # Disable for now as we haven't yet tuned the sensitivity to our codebase
  # yet. Enabling by default for example, would also force new contributors to
  # potentially extensively refactor code, when they want to smaller change to
  # land.
  - gocyclo
  - gocognit
  - cyclop

  # Instances of table driven tests that don't pre-allocate shouldn't trigger
  # the linter.
  - prealloc

  # Init functions are used by loggers throughout the codebase.
  - gochecknoinits
  
  # Causes stack overflow, see https://github.com/polyfloyd/go-errorlint/issues/19.
  - errorlint

  # Deprecated linters. See https://golangci-lint.run/usage/linters/.
  - interfacer
  - golint
  - maligned
  - scopelint
  
  # New linters that need a code adjustment first.
  - wrapcheck
  - nolintlint
  - paralleltest
  - tparallel
  - testpackage
  - gofumpt
  - gomoddirectives
  - ireturn
  - maintidx
  - nlreturn
  - dogsled
  - gci
  - containedctx
  - contextcheck
  - errname
  - exhaustivestruct
  - goerr113
  - gomnd
  - ifshort
  - noctx
  - nestif
  - wsl
  - exhaustive
  - forcetypeassert
  - nilerr
  - nilnil
  - stylecheck
  - thelper

issues:
  # Only show newly introduced problems.
  new-from-rev: 01f696afce2f9c0d4ed854edefa3846891d01d8a

  exclude-rules:
    # Exclude gosec from running for tests so that tests with weak randomness
    # (math/rand) will pass the linter.
    - path: _test\.go
      linters:
        - gosec
    - path: test*
      linters:
        - gosec

    # Allow duplicated code and fmt.Printf() in DB migrations.
    - path: channeldb/migration*
      linters:
        - dupl
        - forbidigo
        - godot

    # Allow duplicated code and fmt.Printf() in DB migration tests.
    - path: channeldb/migtest
      linters:
        - dupl
        - forbidigo
        - godot

    # Allow fmt.Printf() in lncli.
    - path: cmd/lncli/*
      linters:
        - forbidigo

    # Allow fmt.Printf() in config parsing.
    - path: config\.go
      linters:
        - forbidigo
    - path: lnd\.go
      linters:
        - forbidigo

    # Fix false positives because of build flags in itest directory.
    - path: lntest/itest/.*
      linters:
        - unused
        - deadcode
        - unparam
        - govet