chore: make lint happy

.golangci.yml

@@ -0,0 +1,73 @@
+linters-settings:
+  errcheck:
+    ignore: fmt:.*,io/ioutil:^Read.*
+    ignoretests: true
+    exclude-functions:
+      - github.com/fumiama/WireGold/helper.(*Writer).Write.*
+      - github.com/fumiama/WireGold/upper/services/tunnel.(*Tunnel).(Write|Read)
+
+  goimports:
+    local-prefixes: github.com/fumiama/WireGold
+
+linters:
+  # please, do not use `enable-all`: it's deprecated and will be removed soon.
+  # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
+  disable-all: true
+  fast: false
+  enable:
+    - bodyclose
+    #- deadcode
+    #- depguard
+    - dogsled
+    - dupl
+    - errcheck
+    - exportloopref
+    - exhaustive
+    #- funlen
+    #- goconst
+    #- gocritic
+    #- gocyclo
+    - gofumpt
+    - goimports
+    - goprintffuncname
+    #- gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - nolintlint
+    - rowserrcheck
+    - staticcheck
+    #- structcheck
+    #- stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    #- varcheck
+    - whitespace
+    - prealloc
+    - predeclared
+    - asciicheck
+    #- revive
+    - makezero
+    #- interfacer
+
+
+run:
+  # default concurrency is a available CPU number.
+  # concurrency: 4 # explicitly omit this value to fully utilize available resources.
+  deadline: 5m
+  issues-exit-code: 1
+  tests: false
+
+# output configuration options
+output:
+  format: 'colored-line-number'
+  print-issued-lines: true
+  print-linter-name: true
+  uniq-by-line: true
+
+issues:
+  # Fix found issues (if it's supported by the linter)
+  fix: true