feat: golangci-linter config file (#28)

.github/workflows/linting.yml

@@ -17,13 +17,13 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.19
+        go-version: '1.21.0'
 
     - name: Checkout code
       uses: actions/checkout@v3
 
     - name: Installing golangci-lint
-      run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+      run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.54.1
 
     - name: Formatting and linting the project
       run: make check

.golangci.yml

@@ -0,0 +1,82 @@
+linters:
+  enable-all: true
+  disable:
+    - scopelint # deprecated
+    - maligned # deprecated
+    - nosnakecase # deprecated
+    - interfacer # deprecated
+    - deadcode # deprecated
+    - ifshort # deprecated
+    - golint # deprecated
+    - structcheck # deprecated
+    - varcheck # deprecated
+    - exhaustivestruct # deprecated
+    - varnamelen
+    - wrapcheck
+    - paralleltest
+    - interfacebloat
+    - depguard
+    - gochecknoglobals
+    - gomnd
+    - cyclop
+    - nestif
+    - gochecknoinits
+    - dupl
+    - goconst
+    - gocognit # Consider to enable it
+    - funlen # Consider to enable it
+    - forbidigo # Consider to enable it
+    - gci  # Consider to enable it (add it to make fmt)
+    - godox # Consider to enable it (only show warning)
+    - gocritic # Consider to enable it
+    - wsl # Consider to enable it
+    - testpackage # Consider to enable it (??)
+    - containedctx # Consider to enable it
+    - contextcheck # Consider to enable it
+    - exhaustive # Consider to enable it
+    - exhaustruct # Consider to enable it
+    - goerr113 # Consider to enable it
+    - wastedassign # Consider to enable it
+    - nonamedreturns # Consider to enable it
+    - nlreturn # Consider to enable it
+    - ireturn  # Consider to enable it (??)
+
+linters-settings:
+  gosimple:
+    checks: ["all"]
+
+  govet:
+    enable-all: true
+    disable: fieldalignment
+    shadow:
+        strict: true
+
+  godox:
+    severity: warning
+
+  predeclared:
+    # Comma-separated list of predeclared identifiers to not report on.
+    # Default: ""
+    ignore: "len"
+    # Include method names and field names (i.e., qualified names) in checks.
+    # Default: false
+    q: true
+
+  tagliatelle:
+    # Check the struct tag name case.
+    case:
+      use-field-name: false
+      rules:
+        json: snake
+        yaml: snake
+
+issues:
+  exclude-rules:
+    # disable funlen for all _test.go files
+    - path: _test.go
+      linters:
+        - funlen
+
+    - linters:
+        - govet
+      text: "shadow: declaration of \"err\" shadows"

Makefile

@@ -1,5 +1,11 @@
 PACKAGES=$(shell go list ./... | grep -v 'tests')
 
+### Tools needed for development
+devtools:
+	@echo "Installing devtools"
+	go install github.com/golangci/golangci-lint/cmd/[email protected]
+	go install mvdan.cc/gofumpt@latest
+
 ### Testing
 unit_test:
 	go test $(PACKAGES)
@@ -9,26 +15,8 @@ test:
 
 ### Formatting, linting, and vetting
 fmt:
-	gofmt -s -w .
+	gofumpt -l -w .
 	go mod tidy
 
 check:
-	golangci-lint run \
-		--build-tags "${BUILD_TAG}" \
-		--timeout=20m0s \
-		--enable=gofmt \
-		--enable=unconvert \
-		--enable=unparam \
-		--enable=asciicheck \
-		--enable=misspell \
-		--enable=revive \
-		--enable=decorder \
-		--enable=reassign \
-		--enable=usestdlibvars \
-		--enable=nilerr \
-		--enable=gosec \
-		--enable=exportloopref \
-		--enable=whitespace \
-		--enable=goimports \
-		--enable=gocyclo \
-		--enable=lll
+	golangci-lint run --build-tags "${BUILD_TAG}" --timeout=20m0s

config/config.go

@@ -58,7 +58,7 @@ func LoadFromFile(path string) *Config {
 	if err != nil {
 		log.Error("Can not decode the Config Yaml file", "error: ", err)
 	}
-	//TODO: validate config
-	//TODO: Log
+	// TODO: validate config
+	// TODO: Log
 	return config
 }

core/database/subSets.go

@@ -1,7 +1,9 @@
 package database
 
-type SubSets map[string]SubSet
-type SubSet []Element
+type (
+	SubSets map[string]SubSet
+	SubSet  []Element
+)
 
 func NewSubSets() SubSets {
 	return SubSets{}