feat: [gocritic] support disabled-tags

Author: kaka19ace

.golangci.example.yml

@@ -117,6 +117,8 @@ linters-settings:
     # Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
     enabled-tags:
       - performance
+    disabled-tags:
+      - experimental
 
     settings: # settings passed to gocritic
       captLocal: # must be valid enabled check name

README.md

@@ -727,6 +727,8 @@ linters-settings:
     # Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
     enabled-tags:
       - performance
+    disabled-tags:
+      - experimental
 
     settings: # settings passed to gocritic
       captLocal: # must be valid enabled check name

pkg/config/config_gocritic.go

@@ -15,17 +15,26 @@ import (
 
 const gocriticDebugKey = "gocritic"
 
-var gocriticDebugf = logutils.Debug(gocriticDebugKey)
-var isGocriticDebug = logutils.HaveDebugTag(gocriticDebugKey)
-
-var allGocriticCheckers = lintpack.GetCheckersInfo()
+var (
+	gocriticDebugf        = logutils.Debug(gocriticDebugKey)
+	isGocriticDebug       = logutils.HaveDebugTag(gocriticDebugKey)
+	allGocriticCheckers   = lintpack.GetCheckersInfo()
+	allGocriticCheckerMap = func() map[string]*lintpack.CheckerInfo {
+		checkInfoMap := make(map[string]*lintpack.CheckerInfo)
+		for _, checkInfo := range allGocriticCheckers {
+			checkInfoMap[checkInfo.Name] = checkInfo
+		}
+		return checkInfoMap
+	}()
+)
 
 type GocriticCheckSettings map[string]interface{}
 
 type GocriticSettings struct {
 	EnabledChecks    []string                         `mapstructure:"enabled-checks"`
 	DisabledChecks   []string                         `mapstructure:"disabled-checks"`
 	EnabledTags      []string                         `mapstructure:"enabled-tags"`
+	DisabledTags     []string                         `mapstructure:"disabled-tags"`
 	SettingsPerCheck map[string]GocriticCheckSettings `mapstructure:"settings"`
 
 	inferredEnabledChecks map[string]bool
@@ -107,6 +116,8 @@ func (s *GocriticSettings) InferEnabledChecks(log logutils.Log) {
 	debugChecksListf(disabledByDefaultChecks, "Disabled by default")
 
 	var enabledChecks []string
+
+	// EnabledTags
 	if len(s.EnabledTags) != 0 {
 		tagToCheckers := buildGocriticTagToCheckersMap()
 		for _, tag := range s.EnabledTags {
@@ -120,6 +131,12 @@ func (s *GocriticSettings) InferEnabledChecks(log logutils.Log) {
 		enabledChecks = append(enabledChecks, enabledByDefaultChecks...)
 	}
 
+	// DisabledTags
+	if len(s.DisabledTags) != 0 {
+		enabledChecks = filterByDisableTags(enabledChecks, s.DisabledTags, log)
+	}
+
+	// EnabledChecks
 	if len(s.EnabledChecks) != 0 {
 		debugChecksListf(s.EnabledChecks, "Enabled by config")
 
@@ -133,6 +150,7 @@ func (s *GocriticSettings) InferEnabledChecks(log logutils.Log) {
 		}
 	}
 
+	// DisabledChecks
 	if len(s.DisabledChecks) != 0 {
 		debugChecksListf(s.DisabledChecks, "Disabled by config")
 
@@ -174,6 +192,22 @@ func validateStringsUniq(ss []string) error {
 	return nil
 }
 
+func intersectStringSlice(s1, s2 []string) []string {
+	s1Map := make(map[string]struct{})
+	for _, s := range s1 {
+		s1Map[s] = struct{}{}
+	}
+
+	result := make([]string, 0)
+	for _, s := range s2 {
+		if _, exists := s1Map[s]; exists {
+			result = append(result, s)
+		}
+	}
+
+	return result
+}
+
 func (s *GocriticSettings) Validate(log logutils.Log) error {
 	if len(s.EnabledTags) == 0 {
 		if len(s.EnabledChecks) != 0 && len(s.DisabledChecks) != 0 {
@@ -187,7 +221,16 @@ func (s *GocriticSettings) Validate(log logutils.Log) error {
 		tagToCheckers := buildGocriticTagToCheckersMap()
 		for _, tag := range s.EnabledTags {
 			if _, ok := tagToCheckers[tag]; !ok {
-				return fmt.Errorf("gocritic tag %q doesn't exist", tag)
+				return fmt.Errorf("gocritic [enabled]tag %q doesn't exist", tag)
+			}
+		}
+	}
+
+	if len(s.DisabledTags) > 0 {
+		tagToCheckers := buildGocriticTagToCheckersMap()
+		for _, tag := range s.EnabledTags {
+			if _, ok := tagToCheckers[tag]; !ok {
+				return fmt.Errorf("gocritic [disabled]tag %q doesn't exist", tag)
 			}
 		}
 	}
@@ -301,3 +344,24 @@ func (s *GocriticSettings) GetLowercasedParams() map[string]GocriticCheckSetting
 	}
 	return ret
 }
+
+func filterByDisableTags(enabledChecks, disableTags []string, log logutils.Log) []string {
+	enabledChecksSet := stringsSliceToSet(enabledChecks)
+	for _, enabledCheck := range enabledChecks {
+		checkInfo, checkInfoExists := allGocriticCheckerMap[enabledCheck]
+		if !checkInfoExists {
+			log.Warnf("Gocritic check %q was not exists via filtering disabled tags", enabledCheck)
+			continue
+		}
+		hitTags := intersectStringSlice(checkInfo.Tags, disableTags)
+		if len(hitTags) != 0 {
+			delete(enabledChecksSet, enabledCheck)
+		}
+		debugChecksListf(enabledChecks, "Disabled by config tags %s", sprintStrings(disableTags))
+	}
+	enabledChecks = nil
+	for enabledCheck := range enabledChecksSet {
+		enabledChecks = append(enabledChecks, enabledCheck)
+	}
+	return enabledChecks
+}

pkg/config/config_gocritic_test.go

@@ -0,0 +1,54 @@
+package config
+
+import (
+	"fmt"
+	"sort"
+	"testing"
+
+	"github.com/golangci/golangci-lint/pkg/logutils"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUtils(t *testing.T) {
+	s1 := []string{"diagnostic", "experimental", "opinionated"}
+	s2 := []string{"opinionated", "experimental"}
+	s3 := intersectStringSlice(s1, s2)
+	sort.Strings(s3)
+	assert.Equal(t, s3, []string{"experimental", "opinionated"})
+}
+
+type tLog struct{}
+
+func (l *tLog) Fatalf(format string, args ...interface{}) {
+	fmt.Printf(fmt.Sprintf(format, args...) + "\n")
+}
+
+func (l *tLog) Panicf(format string, args ...interface{}) {
+	fmt.Printf(fmt.Sprintf(format, args...) + "\n")
+}
+
+func (l *tLog) Errorf(format string, args ...interface{}) {
+	fmt.Printf(fmt.Sprintf(format, args...) + "\n")
+}
+
+func (l *tLog) Warnf(format string, args ...interface{}) {
+	fmt.Printf(fmt.Sprintf(format, args...) + "\n")
+}
+
+func (l *tLog) Infof(format string, args ...interface{}) {
+	fmt.Printf(fmt.Sprintf(format, args...) + "\n")
+}
+
+func (l *tLog) Child(name string) logutils.Log { return nil }
+
+func (l *tLog) SetLevel(level logutils.LogLevel) {}
+
+func TestFilterByDisableTags(t *testing.T) {
+	testLog := &tLog{}
+	disabledTags := []string{"experimental", "opinionated"}
+	enabledChecks := []string{"appendAssign", "argOrder", "caseOrder", "codegenComment"}
+	filterEnabledChecks := filterByDisableTags(enabledChecks, disabledTags, testLog)
+	sort.Strings(filterEnabledChecks)
+	assert.Equal(t, []string{"appendAssign", "caseOrder"}, filterEnabledChecks)
+}