.golangci.yaml

# Options for analysis running.
run:
  concurrency: 8
  # Timeout for analysis, e.g. 30s, 5m.
  # Default: 1m
  timeout: 30m
  # Exit code when at least one issue was found.
  # Default: 1
  issues-exit-code: 1
  # Include test files or not.
  # Default: true
  tests: true
  build-tags:
    - unit
  # Allow multiple parallel golangci-lint instances running.
  # If false (default) - golangci-lint acquires file lock on start.
  allow-parallel-runners: true
  # With the read-only mode, linter will fail if the go.mod file is outdated.
  modules-download-mode: readonly
  # Empty to use the Go version from the go.mod file.
  go: ""
# output configuration options
output:
  # Format: colored-line-number|line-number|json|tab|checkstyle|code-climate|junit-xml|github-actions
  #
  # Multiple can be specified by separating them by comma, output can be provided
  # for each of them by separating format name and path by colon symbol.
  # Output path can be either `stdout`, `stderr` or path to the file to write to.
  # Example: "checkstyle:report.json,colored-line-number"
  #
  # Print lines of code with issue.
  # Default: true
  print-issued-lines: false
  # Print linter name at the end of issue text.
  # Default: true
  print-linter-name: true
  # Make issues output unique by line.
  # Default: true
  uniq-by-line: false
  # Add a prefix to the output file references.
  # Default is no prefix.
  path-prefix: ""
  # Sort results by: filepath, line, and column.
  sort-results: true
issues:
  # Excluding configuration per-path, per-linter, per-text and per-source
  exclude-rules:
    - source: "^//\\s*go:generate\\s"
      linters: [ lll ]
    - source: "(noinspection|TODO)"
      linters: [ godot ]
    - source: "//noinspection"
      linters: [ gocritic ]
    - source: "^\\s+if _, ok := err\\.\\([^.]+\\.InternalError\\); ok {"
      linters: [ errorlint ]
    - path: "_test\\.go"
      linters:
        - bodyclose
        - dupl
        - funlen
        - goconst
        - gosec
        - noctx
        - wrapcheck
        - lll
  max-issues-per-linter: 0
  # Maximum count of issues with the same text.
  # Set to 0 to disable.
  # Default: 3
  max-same-issues: 0
  # Fix found issues (if it's supported by the linter).
  fix: true
  new: false
# All available settings of specific linters.
linters:
  # Disable all linters.
  # Default: false
  disable-all: true
  # Enable specific linter
  # https://golangci-lint.run/usage/linters/#enabled-by-default-linters
  enable:
    - asasalint # check for pass []any as any in variadic func(...any).
    - asciicheck # checks that your code does not contain non-ASCII identifiers.
    - bidichk # checks for dangerous unicode character sequences.
    - bodyclose # checks whether HTTP response body is closed successfully.
    - contextcheck # checks the function whether you use a non-inherited context.
    - durationcheck # checks for two durations multiplied together.
    - errcheck # checking for unchecked error, these unchecked error can be critical bugs in some cases.
    - errname # checks that sentinel error are prefixed with the Err and error types are suffixed with the Error.
    - exportloopref # checks for pointers to enclosing loop variables.
    - gochecknoinits # checks that no init functions are present in Go code
    - gocritic # provides diagnostics that check for bugs, performance and style issues.
    - godot # checks if comments end in a period.
    - gofmt
    - gofumpt
    - gomoddirectives # manages the use of 'replace', 'retract', and 'excludes' directives in go.mod.
    - gosimple # specializes in simplifying a code.
    - govet # reports suspicious constructs, such as Printf calls whose arguments do not align with the format string.
    - ineffassign # detects when assignments to existing variables are not used.
    - misspell # fix all the misspellings.
    - nakedret # finds naked returns in functions greater than a specified function length.
    - nilerr # finds the code that returns nil even if it checks that the error is not nil.
    - nilnil # checks that there is no simultaneous return of nil error and an invalid value.
    - noctx # finds sending http request without context.Context.
    - prealloc # finds slices that could potentially be pre-allocated.
    - predeclared # finds code that shadows one of Go's predeclared identifiers.
    - promlinter # checks Prometheus metrics naming via promlint.
    - reassign # checks that package variables are not reassigned.
    - revive # fast, configurable, extensible, flexible, and beautiful linter for Go, drop-in replacement of golint.
    - rowserrcheck # somewhat similar to `bodyclose` but for `database/sql` package.
    - sqlclosecheck # somewhat similar to `bodyclose` but for `database/sql` package.
    - staticcheck # is a go vet on steroids, applying a ton of static analysis checks.
    - stylecheck # is a replacement for golint.
    - tagliatelle # check struct tags.
    - tenv # test-related checks. All of them are good.
    - testableexamples # test-related checks. All of them are good.
    - thelper # test-related checks. All of them are good.
    - tparallel # test-related checks. All of them are good.
    - unconvert # removes unnecessary type conversions.
    - unparam # reports unused function parameters.
    - unused # checks for unused constants, variables, functions, and types.
    - usestdlibvars # detect the possibility to use variables/constants from stdlib.
    - wastedassign # finds wasted assignment statements.
    - whitespace # detects leading and trailing space.

  # Run only fast linters from enabled linters set (first run won't be fast)
  # Default: false
  fast: false
linters-settings:
  gocritic:
    enabled-tags:
      - diagnostic
      - experimental
      - opinionated
      - performance
      - style
    disabled-checks:
      # These 3 will detect many cases, but they do sense
      # if it's performance oriented code
      - hugeParam
      - rangeExprCopy
      - rangeValCopy
  errcheck:
    # Report about not checking of error in type assertions: `a := b.(MyStruct)`.
    # Such cases aren't reported by default.
    # Default: false
    check-type-assertions: false
    # Report skipped checks:`num, _ := strconv.Atoi(numStr)`.
    check-blank: true # Default: false
    # Function to skip.
    exclude-functions:
      - io/ioutil.ReadFile
      - io.Copy(*bytes.Buffer)
      - io.Copy(os.Stdout)
  govet:
    # Disable analyzers by name.
    # Run `go tool vet help` to see all analyzers.
    # Default: []
    disable:
      - fieldalignment # too strict
  nakedret:
    # Make an issue if func has more lines of code than this setting, and it has naked returns.
    # Default: 30
    max-func-lines: 1
  tagliatelle:
    case:
      rules:
        json: snake
        yaml: snake
        xml: camel
        bson: camel
        avro: snake
        mapstructure: kebab