adding circle ci (#15)

Author: cx-barak-harari

.golangci.yml

@@ -0,0 +1,125 @@
+linters-settings:
+  depguard:
+    list-type: blacklist
+  dupl:
+    threshold: 450
+  funlen:
+    lines: 220
+    statements: 100
+  goconst:
+    min-len: 2
+    min-occurrences: 2
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - experimental
+      - opinionated
+      - performance
+      - style
+    disabled-checks:
+      - dupImport # https://github.com/go-critic/go-critic/issues/845
+      - ifElseChain
+      - octalLiteral
+      - whyNoLint
+      - wrapperFunc
+  gocyclo:
+    min-complexity: 20
+  goimports:
+    local-prefixes: github.com/golangci/golangci-lint
+  gomnd:
+    settings:
+      mnd:
+        # don't include the "operation" and "assign"
+        checks: argument,case,condition,return
+        ignored-numbers: 1,2,10
+  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
+
+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
+  enable:
+    - bodyclose
+    - dogsled
+    - dupl
+    - errcheck
+    - funlen
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - gocyclo
+    - gofmt
+    - goimports
+    - gomnd
+    - goprintffuncname
+    - gosec
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - rowserrcheck
+    - exportloopref
+    - staticcheck
+    - stylecheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - whitespace
+
+  # don't enable:
+  # - gochecknoglobals
+  # - gocognit
+  # - godox
+  # - maligned
+  # - prealloc
+
+issues:
+  # Excluding configuration per-path, per-linter, per-text and per-source
+  exclude-rules:
+    - path: /
+      linters:
+        - typecheck # why this is disabled? Because golangci-lint in its latest version was compiled against go 1.21
+                    # and the code we are linting is compiled against go 1.22.1 and we KNOW that it builds so it should
+                    # not have typecheck errors, but indeed if we do not disabled it we get typecheck errors that are false positives
+                    # so we need to disable it, but because in the pipelines there is a step that ensures that the code builds
+                    # having this disabled is not an issue, and if golangci-lint gets update in a way that does not give false positives
+                    # then we can enabled it again, but that would still be rechecing again what another step is already checking (the build step)
+                    # ref: https://github.com/golangci/golangci-lint/issues/3718
+    - path: _test\.go
+      linters:
+        - gomnd
+        - gosec
+        - staticcheck
+        - lll
+        - gocritic
+
+run:
+  skip-dirs:
+    - test/testdata_etc
+    - internal/cache
+    - internal/renameio
+    - internal/robustio
+
+# golangci.com configuration
+# https://github.com/golangci/golangci/wiki/Configuration
+service:
+  golangci-lint-version: 1.42.1 # use the fixed version to not introduce new linters unexpectedly
+  prepare:
+    - echo "here I can run custom commands, but no preparation needed for this repo"