.golangci.yml

run:
  # timeout for analysis
  deadline: 4m

  skip-files:
    - "\\.pb\\.go$"
    - "\\.pb\\.gw\\.go$"

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
  - varcheck
  - structcheck
  - deadcode
  
  # 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
  - revive
  - tagalign
  - depguard
  - nosnakecase
  - interfacebloat
  
  # Additions compared to LND
  - exhaustruct

issues:
  # Only show newly introduced problems.
  new-from-rev: 36838cf7f464cf73b0201798063b2caffeae4250

  exclude-rules:

      # Allow fmt.Printf() in test files
      - path: _test\.go
        linters:
          - forbidigo
          - unparam
          - gosec
      - path: _mock\.go
        linters:
          - gosec
        
      # Allow fmt.Printf() in loopd
      - path: cmd/loopd/*
        linters:
          - forbidigo
      - path: loopd/*
        linters:
          - forbidigo
      
      # Allow fmt.Printf() in loop
      - path: cmd/loop/*
        linters:
          - forbidigo

      # Allow fmt.Printf() in stateparser
      - path: fsm/stateparser/*
        linters:
          - forbidigo