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# SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company
# SPDX-License-Identifier: Apache-2.0

version: "2"
run:
  timeout: 3m0s # none by default in v2

formatters:
  enable:
    - gofmt
    - goimports
  settings:
    goimports:
      # Put local imports after 3rd-party packages
      local-prefixes:
        - go.xyrillian.de/schwift/v2
  exclusions:
    generated: lax
    paths:
      - third_party$
      - builtin$
      - examples$

issues:
  # '0' disables the following options
  max-issues-per-linter: 0
  max-same-issues: 0

linters:
  # Disable all pre-enabled linters and enable them explicitly so that a newer version does not introduce new linters unexpectedly
  default: none
  enable:
    - bodyclose
    - containedctx
    - copyloopvar
    - dupword
    - durationcheck
    - errcheck
    - errname
    - errorlint
    - exptostd
    - forbidigo
    - ginkgolinter
    - gocheckcompilerdirectives
    - goconst
    - gocritic
    - gomoddirectives
    # - gosec # TODO: consider enabling
    - govet
    - ineffassign
    - intrange
    - iotamixing
    - modernize
    - nilerr
    - nolintlint
    - nosprintfhostport
    - perfsprint
    - predeclared
    - rowserrcheck
    - revive
    - sqlclosecheck
    - staticcheck
    - unconvert
    - unparam
    - unused
    - usestdlibvars
    - usetesting
    - whitespace
  settings:
    dupword:
      # Do not choke on SQL statements like `INSERT INTO things (foo, bar, baz) VALUES (TRUE, TRUE, TRUE)`.
      ignore: [ "TRUE", "FALSE", "NULL" ]
    errcheck:
      check-type-assertions: false
      # Report about assignment of errors to blank identifier.
      check-blank: true
      # Do not report about not checking of errors in type assertions.
      # This is not as dangerous as skipping error values because an unchecked type assertion just immediately panics.
      # We disable this because it makes a ton of useless noise esp. in test code.
    forbidigo:
      analyze-types: true # required for pkg:
      forbid:
        # ioutil package has been deprecated: https://github.com/golang/go/issues/42026
        - pattern: ^ioutil\..*$
        # Using http.DefaultServeMux is discouraged because it's a global variable that some packages silently and magically add handlers to (esp. net/http/pprof).
        # Applications wishing to use http.ServeMux should obtain local instances through http.NewServeMux() instead of using the global default instance.
        - pattern: ^http\.DefaultServeMux$
        - pattern: ^http\.Handle(?:Func)?$
        - pkg: ^gopkg\.in/square/go-jose\.v2$
          msg: gopk.in/square/go-jose is archived and has CVEs. Replace it with gopkg.in/go-jose/go-jose.v2
        - pkg: ^github.com/coreos/go-oidc$
          msg: github.com/coreos/go-oidc depends on gopkg.in/square/go-jose which has CVEs. Replace it with github.com/coreos/go-oidc/v3
        - pkg: ^github.com/howeyc/gopass$
          msg: github.com/howeyc/gopass is archived, use golang.org/x/term instead
    goconst:
      min-occurrences: 5
    gocritic:
      enabled-checks:
        - boolExprSimplify
        - builtinShadow
        - emptyStringTest
        - evalOrder
        - httpNoBody
        - importShadow
        - initClause
        - methodExprCall
        - paramTypeCombine
        - preferFilepathJoin
        - ptrToRefParam
        - redundantSprint
        - returnAfterHttpError
        - stringConcatSimplify
        - timeExprSimplify
        - truncateCmp
        - typeAssertChain
        - typeUnparen
        - unnamedResult
        - unnecessaryBlock
        - unnecessaryDefer
        - weakCond
        - yodaStyleExpr
    gomoddirectives:
      toolchain-forbidden: true
      go-version-pattern: 1\.\d+(\.0)?$
    gosec:
      excludes:
        # useless noise in tests
        - G602
    govet:
      disable:
        - fieldalignment
      enable-all: true
    nolintlint:
      require-specific: true
    perfsprint:
      # modernize generates nicer fix code
      concat-loop: false
    revive:
      rules:
        - name: exported
          arguments:
            - checkPrivateReceivers
            - disableChecksOnConstants
    staticcheck:
      dot-import-whitelist:
        - go.xyrillian.de/gg/option
    usestdlibvars:
      http-method: true
      http-status-code: true
      time-weekday: true
      time-month: true
      time-layout: true
      crypto-hash: true
      default-rpc-path: true
      sql-isolation-level: true
      tls-signature-scheme: true
      constant-kind: true
    usetesting:
      os-temp-dir: true
    whitespace:
      # Enforce newlines (or comments) after multi-line function signatures.
      multi-func: true
  exclusions:
    generated: lax
    presets:
      - common-false-positives
      - legacy
      - std-error-handling
    rules:
      - linters:
          - bodyclose
          - revive
        path: _test\.go
      # It is idiomatic Go to reuse the name 'err' with ':=' for subsequent errors.
      # Ref: https://go.dev/doc/effective_go#redeclaration
      - path: (.+)\.go$
        text: declaration of "err" shadows declaration at
      - linters:
          - goconst
        path: (.+)_test\.go
    paths:
      - third_party$
      - builtin$
      - examples$

output:
  formats:
    text:
      # Do not print lines of code with issue.
      print-issued-lines: false