Add linter setting

Author: tkc

.golangci.yml

@@ -0,0 +1,106 @@
+linters-settings:
+  # depguard:
+  #     list-type: blacklist
+  #     packages:
+  #         - github.com/sirupsen/logrus
+  #     packages-with-error-message:
+  #         - {github.com/sirupsen/logrus: 'logging is allowed only by logutils.Log'}
+  # dupl:
+  #     threshold: 100
+    funlen:
+      lines: 500
+      statements: 50
+  # goconst:
+  #     min-len: 2
+  #     min-occurrences: 2
+  # gocritic:
+  #     enabled-tags:
+  #         - diagnostic
+  #         - experimental
+  #         - opinionated
+  #         - performance
+  #         - style
+  #     disabled-checks:
+  #         - dupImport
+  #         - ifElseChain
+  #         - octalLiteral
+  #         - whyNoLint
+  #         - wrapperFunc
+  # gocyclo:
+  #     min-complexity: 15
+  # goimports:
+  #     local-prefixes: github.com/golangci/golangci-lint
+  # golint:
+  # min-conf: 0
+  # gomnd:
+  #  settings:
+  #  mnd: {checks: 'argument,case,condition,return'}
+  # govet:
+  #     check-shadowing: true
+  #     settings:
+  #         printf: {funcs: [(github.com/golangci/golangci-lint/pkg/logutils.Log).Infof, (github.com/golangci/golangci-lint/pkg/logutils.Log).Warnf, (github.com/golangci/golangci-lint/pkg/logutils.Log).Errorf, (github.com/golangci/golangci-lint/pkg/logutils.Log).Fatalf]}
+  # lll:
+  # line-length: 140
+  # maligned:
+  #     suggest-new: true
+  # misspell:
+  #     locale: US
+  # dogsled:
+  #    max-blank-identifiers: 5
+
+linters:
+  disable-all: true
+  enable:
+    - bodyclose
+    - deadcode
+    - depguard
+    - dogsled
+    - dupl
+    - errcheck
+    - funlen
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - gocyclo
+    - gofmt
+    - goimports
+    - golint
+    - gomnd
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - interfacer
+#    - lll
+    - misspell
+    - nakedret
+    - rowserrcheck
+    - scopelint
+    - staticcheck
+    - structcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - varcheck
+    - whitespace
+
+# issues:
+#     exclude-rules:
+#         -
+#             path: _test\.go
+#             linters: [gomnd]
+
+# run:
+#     skip-dirs:
+#         - test/testdata_etc
+#         - internal/cache
+#         - internal/renameio
+#         - internal/robustio
+
+# service:
+#     golangci-lint-version: 1.23.x
+#     prepare:
+#         - 'echo "here I can run custom commands, but no preparation needed for this repo"'