.golangci.yml

# yaml-language-server: $schema=https://json.schemastore.org/golangci-lint

version: "2"

# Linter settings
linters:
  settings:
    errcheck:
      check-blank: true
    gocyclo:
      min-complexity: 25
    gocritic:
      enabled-tags:
        - diagnostic
        - experimental
        - opinionated
        - performance
        - style
    goheader:
      template: |-
        Copyright (C) {{ MOD_YEAR }} stencil contributors

        Licensed under the Apache License, Version 2.0 (the \"License\");
        you may not use this file except in compliance with the License.
        You may obtain a copy of the License at

                http://www.apache.org/licenses/LICENSE-2.0

        Unless required by applicable law or agreed to in writing, software
        distributed under the License is distributed on an \"AS IS\" BASIS,
        WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
        See the License for the specific language governing permissions and
        limitations under the License.

        SPDX-License-Identifier: Apache-2.0
    lll:
      line-length: 140

  # Inverted configuration with enable-all and disable is not scalable
  # during updates of golangci-lint.
  default: none
  enable:
    - bodyclose
    - dogsled
    - errcheck
    - errorlint
    - exhaustive
    - copyloopvar
    - gochecknoinits
    - gocritic
    - gocyclo
    - goheader
    - gosec
    - govet
    - ineffassign
    - lll
    - misspell
    - nakedret
    - staticcheck
    - revive
    - unconvert
    - unparam
    - unused
    - whitespace

  # Excluding configuration per-path, per-linter, per-text and per-source
  exclusions:
    rules:
      # We allow error shadowing
      - path: '(.+)\.go$'
        text: 'declaration of "err" shadows declaration at'
      # Overly disruptive rule
      - path: '(.+)\.go$'
        text: "var-naming: avoid package names that conflict with Go standard library package names"
      # Exclude some linters from running on tests files.
      - path: _test\.go
        linters:
          - errcheck
          - funlen
          - gochecknoglobals # Globals in test files are tolerated.
          - gocyclo
          - goheader # Don't require license headers in test files.
          - gosec
      # Checking return of Close() is optional.
      - path: '(.+)\.go$'
        text: 'Error return value of `(.*\.Close|fmt\.F.*)` is not checked'
      - path: '(.+)\.go$'
        text: "G104: Errors unhandled" # Duplicates errcheck.

# formatter settings
formatters:
  enable:
    - gofmt
    - goimports