.golangci.yml

---
run:
  concurrency: 2
  deadline: 5m
  # For generics.
  go: 1.18
issues:
  include:
    - EXC0012
    - EXC0013
    - EXC0014
    - EXC0015
  exclude:
    # TODO(#589): Remove after updating to Go 1.20
    - "non-wrapping format verb for fmt.Errorf. Use `%w` to format errors"
  # Maximum issues count per one linter.
  # Set to 0 to disable.
  # Default: 50
  max-issues-per-linter: 0
  # Maximum count of issues with the same text.
  # Set to 0 to disable.
  # Default: 3
  max-same-issues: 0
  new-from-rev: ""
linters:
  disable-all: true
  enable:
    - asciicheck
    - depguard
    - dogsled
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - errcheck
    - errorlint
    - exhaustive
    - exportloopref
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - gci
    - gochecknoinits
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - gocognit
    - goconst
    - gocritic
    - gocyclo
    - godot
    - godox
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - goerr113
    - gofmt
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - gofumpt
    - goheader
    - goimports
    - gomodguard
    - goprintffuncname
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - gosec
    - gosimple
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - govet
    - ineffassign
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - lll
    - makezero
    - misspell
    - nakedret
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - nestif
    - nolintlint
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - paralleltest
    - predeclared
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - revive
    - staticcheck
    - stylecheck
    - thelper
    - typecheck
    - unconvert
    - unused
    - whitespace
    # TODO(https://github.com/slsa-framework/slsa-verifier/issues/363): Restore linter
    # - wrapcheck
linters-settings:
  depguard:
    rules:
      global:
        files:
          - $all
          - "!$test"
          - "!**/experimental/**"

          # This is an exception for the existing code.
          # TODO(#642): Don't allow go-cmp in non-test code.
          - "!**/verifiers/internal/gcb/provenance.go"
        allow:
          - $gostd

          # Approved orgs.
          - "github.com/slsa-framework"
          - "github.com/in-toto"
          - "github.com/sigstore"
          - "github.com/secure-systems-lab"
          - "github.com/go-openapi"

          # Approved packages.
          - "sigs.k8s.io/release-utils/version"
          - "github.com/spf13/cobra" # For CLI
          - "github.com/docker/go/canonical/json" # For canonical json.
          - "github.com/google/go-containerregistry" # For interacting with container registries.
        deny:
          - pkg: "reflect"
            desc: Please don't use reflect package
          - pkg: "unsafe"
            desc: Please don't use unsafe package

      test:
        files:
          - "$test"
          # - "!**/experimental/**"
          # This is an exception for the existing code.
          # TODO(#642): Don't allow go-cmp in non-test code.
          - "!**/verifiers/internal/gcb/provenance.go"
          # NOTE: test code is allowed to use github.com/google/go-cmp (there is no
          #       deny for it) but non-test code is not.
        allow:
          - $gostd

          # Approved orgs.
          - "github.com/slsa-framework"
          - "github.com/in-toto"
          - "github.com/sigstore"
          - "github.com/secure-systems-lab"
          - "github.com/go-openapi"

          # Approved packages.
          - "sigs.k8s.io/release-utils/version"
          - "github.com/spf13/cobra" # For CLI
          - "github.com/docker/go/canonical/json" # For canonical json.
          - "github.com/google/go-containerregistry" # For interacting with container registries.

          # Allowed in test code.
          - "github.com/google/go-cmp"
        deny:
          - pkg: "reflect"
            desc: Please don't use reflect package
          - pkg: "unsafe"
            desc: Please don't use unsafe package

      experimental:
        files:
          - "**/experimental/**/*.go"
        allow:
          - $gostd

          # Approved orgs.
          - "github.com/slsa-framework"

          # Allowed in experimental.
          - "github.com/gorilla/mux"
        deny:
          - pkg: "reflect"
            desc: Please don't use reflect package
          - pkg: "unsafe"
            desc: Please don't use unsafe package

  errcheck:
    check-type-assertions: true
    check-blank: true
  govet:
    enable:
      - fieldalignment
  godox:
    keywords:
      - BUG
      - FIXME
      - HACK
  gci:
    sections:
      - standard
      - default
      - prefix(github.com/slsa-framework/slsa-github-generator)
  gocritic:
    enabled-checks:
      # Diagnostic
      - appendAssign
      - argOrder
      - badCond
      - caseOrder
      - codegenComment
      - commentedOutCode
      - deprecatedComment
      - dupArg
      - dupBranchBody
      - dupCase
      - dupSubExpr
      - exitAfterDefer
      - flagDeref
      - flagName
      - nilValReturn
      - offBy1
      - sloppyReassign
      - weakCond
      - octalLiteral

      # Performance
      - appendCombine
      - equalFold
      - hugeParam
      - indexAlloc
      - rangeExprCopy
      - rangeValCopy

      # Style
      - assignOp
      - boolExprSimplify
      - captLocal
      - commentFormatting
      - commentedOutImport
      - defaultCaseOrder
      - docStub
      - elseif
      - emptyFallthrough
      - emptyStringTest
      - hexLiteral
      - ifElseChain
      - methodExprCall
      - regexpMust
      - singleCaseSwitch
      - sloppyLen
      - stringXbytes
      - switchTrue
      - typeAssertChain
      - typeSwitchVar
      - underef
      - unlabelStmt
      - unlambda
      - unslice
      - valSwap
      - wrapperFunc
      - yodaStyleExpr

      # Opinionated
      - builtinShadow
      - importShadow
      - initClause
      - nestingReduce
      - paramTypeCombine
      - ptrToRefParam
      - typeUnparen
      - unnecessaryBlock