.golangci.yaml

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

run:
  timeout: 3m # 1m by default
  modules-download-mode: readonly

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

issues:
  exclude:
    # It is idiomatic Go to reuse the name 'err' with ':=' for subsequent errors.
    # Ref: https://go.dev/doc/effective_go#redeclaration
    - 'declaration of "err" shadows declaration at'
  exclude-rules:
    - path: _test\.go
      linters:
        - bodyclose
        - dupl
  # '0' disables the following options.
  max-issues-per-linter: 0
  max-same-issues: 0

linters-settings:
  dupl:
    # Tokens count to trigger issue, 150 by default.
    threshold: 100
  errcheck:
    # Report about assignment of errors to blank identifier.
    check-blank: true
    # Report about not checking of errors in type assertions.
    check-type-assertions: true
    exclude-functions:
      - encoding/json.Marshal
  forbidigo:
    analyze-types: true # required for pkg:
    forbid:
      # ioutil package has been deprecated: https://github.com/golang/go/issues/42026
      - ^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.
      - ^http\.DefaultServeMux$
      - ^http\.Handle(?:Func)?$
      # Forbid usage of old and archived square/go-jose
      - pkg: ^gopkg\.in/square/go-jose\.v2$
        msg: "gopk.in/square/go-jose is arcived 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:
    ignore-tests: true
    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
  goimports:
    # Put local imports after 3rd-party packages.
    local-prefixes: github.com/sapcc/git-cert-shim
  gosec:
    excludes:
      # gosec wants us to set a short ReadHeaderTimeout to avoid Slowloris attacks, but doing so would expose us to Keep-Alive race conditions (see https://iximiuz.com/en/posts/reverse-proxy-http-keep-alive-and-502s/)
      - G112
      # created file permissions are restricted by umask if necessary
      - G306
  govet:
    enable-all: true
    disable:
      - fieldalignment
  nolintlint:
    require-specific: true
  misspell:
    ignore-words:
      - metis
  stylecheck:
    dot-import-whitelist:
      - github.com/onsi/ginkgo/v2
      - github.com/onsi/gomega
  usestdlibvars:
    constant-kind: true
    crypto-hash: true
    default-rpc-path: true
    http-method: true
    http-status-code: true
    sql-isolation-level: true
    time-layout: true
    time-month: true
    time-weekday: true
    tls-signature-scheme: true
  whitespace:
    # Enforce newlines (or comments) after multi-line function signatures.
    multi-func: true

linters:
  # We use 'disable-all' and enable linters explicitly so that a newer version
  # does not introduce new linters unexpectedly.
  disable-all: true
  enable:
    - bodyclose
    - containedctx
    - copyloopvar
    # - dupl
    - dupword
    - durationcheck
    - errcheck
    - errname
    - errorlint
    - forbidigo
    - ginkgolinter
    - gocheckcompilerdirectives
    - goconst
    - gocritic
    - gofmt
    - goimports
    - gosec
    - gosimple
    - govet
    - ineffassign
    - intrange
    - misspell
    - nilerr
    - noctx
    - nolintlint
    - nosprintfhostport
    - perfsprint
    - predeclared
    - rowserrcheck
    - sqlclosecheck
    - staticcheck
    - stylecheck
    - tenv
    - typecheck
    - unconvert
    - unparam
    - unused
    - usestdlibvars
    - whitespace