dev: use bool pointer on deprecated bool options (golangci#5254)

Author: ldez

pkg/commands/flagsets.go

@@ -56,8 +56,6 @@ func setupRunFlagSet(v *viper.Viper, fs *pflag.FlagSet) {
 
 	internal.AddDeprecatedHackedStringSlice(fs, "skip-files", color.GreenString("Regexps of files to skip"))
 	internal.AddDeprecatedHackedStringSlice(fs, "skip-dirs", color.GreenString("Regexps of directories to skip"))
-	internal.AddDeprecatedFlagAndBind(v, fs, fs.Bool, "skip-dirs-use-default", "run.skip-dirs-use-default", true,
-		formatList("Use or not use default excluded directories:", processors.StdExcludeDirRegexps))
 
 	const allowParallelDesc = "Allow multiple parallel golangci-lint instances running.\n" +
 		"If false (default) - golangci-lint acquires file lock on start."

pkg/config/issues.go

@@ -128,7 +128,7 @@ type Issues struct {
 
 	NeedFix bool `mapstructure:"fix"`
 
-	ExcludeGeneratedStrict bool `mapstructure:"exclude-generated-strict"` // Deprecated: use ExcludeGenerated instead.
+	ExcludeGeneratedStrict *bool `mapstructure:"exclude-generated-strict"` // Deprecated: use ExcludeGenerated instead.
 }
 
 func (i *Issues) Validate() error {

pkg/config/linters_settings.go

@@ -169,7 +169,6 @@ var defaultLintersSettings = LintersSettings{
 	Unused: UnusedSettings{
 		FieldWritesAreUses:     true,
 		PostStatementsAreReads: false,
-		ExportedIsUsed:         true,
 		ExportedFieldsAreUsed:  true,
 		ParametersAreUsed:      true,
 		LocalVariablesAreUsed:  true,
@@ -329,8 +328,10 @@ type BiDiChkSettings struct {
 }
 
 type CopyLoopVarSettings struct {
-	IgnoreAlias bool `mapstructure:"ignore-alias"` // Deprecated: use CheckAlias
-	CheckAlias  bool `mapstructure:"check-alias"`
+	CheckAlias bool `mapstructure:"check-alias"`
+
+	// Deprecated: use CheckAlias
+	IgnoreAlias *bool `mapstructure:"ignore-alias"`
 }
 
 type Cyclop struct {
@@ -548,7 +549,7 @@ type GodotSettings struct {
 	Period  bool     `mapstructure:"period"`
 
 	// Deprecated: use Scope instead
-	CheckAll bool `mapstructure:"check-all"`
+	CheckAll *bool `mapstructure:"check-all"`
 }
 
 type GodoxSettings struct {
@@ -641,7 +642,7 @@ type GovetSettings struct {
 	Settings map[string]map[string]any
 
 	// Deprecated: the linter should be enabled inside Enable.
-	CheckShadowing bool `mapstructure:"check-shadowing"`
+	CheckShadowing *bool `mapstructure:"check-shadowing"`
 }
 
 func (cfg *GovetSettings) Validate() error {
@@ -857,7 +858,7 @@ type SlogLintSettings struct {
 	ArgsOnSepLines bool     `mapstructure:"args-on-sep-lines"`
 
 	// Deprecated: use Context instead.
-	ContextOnly bool `mapstructure:"context-only"`
+	ContextOnly *bool `mapstructure:"context-only"`
 }
 
 type SpancheckSettings struct {
@@ -977,11 +978,14 @@ type UseStdlibVarsSettings struct {
 	TimeLayout         bool `mapstructure:"time-layout"`
 	CryptoHash         bool `mapstructure:"crypto-hash"`
 	DefaultRPCPath     bool `mapstructure:"default-rpc-path"`
-	OSDevNull          bool `mapstructure:"os-dev-null"` // Deprecated
 	SQLIsolationLevel  bool `mapstructure:"sql-isolation-level"`
 	TLSSignatureScheme bool `mapstructure:"tls-signature-scheme"`
 	ConstantKind       bool `mapstructure:"constant-kind"`
-	SyslogPriority     bool `mapstructure:"syslog-priority"` // Deprecated
+
+	// Deprecated
+	OSDevNull *bool `mapstructure:"os-dev-null"`
+	// Deprecated
+	SyslogPriority *bool `mapstructure:"syslog-priority"`
 }
 
 type UseTestingSettings struct {
@@ -1007,11 +1011,13 @@ type UnparamSettings struct {
 type UnusedSettings struct {
 	FieldWritesAreUses     bool `mapstructure:"field-writes-are-uses"`
 	PostStatementsAreReads bool `mapstructure:"post-statements-are-reads"`
-	ExportedIsUsed         bool `mapstructure:"exported-is-used"` // Deprecated
 	ExportedFieldsAreUsed  bool `mapstructure:"exported-fields-are-used"`
 	ParametersAreUsed      bool `mapstructure:"parameters-are-used"`
 	LocalVariablesAreUsed  bool `mapstructure:"local-variables-are-used"`
 	GeneratedIsUsed        bool `mapstructure:"generated-is-used"`
+
+	// Deprecated
+	ExportedIsUsed *bool `mapstructure:"exported-is-used"`
 }
 
 type VarnamelenSettings struct {

pkg/config/loader.go

@@ -304,7 +304,6 @@ func (l *Loader) handleGoVersion() {
 	os.Setenv("GOSECGOVERSION", l.cfg.Run.Go)
 }
 
-//nolint:gocyclo // The complexity is expected by the cases to handle.
 func (l *Loader) handleDeprecation() error {
 	if l.cfg.InternalTest || l.cfg.InternalCmdTest || os.Getenv(logutils.EnvTestRun) == "1" {
 		return nil
@@ -322,19 +321,17 @@ func (l *Loader) handleDeprecation() error {
 		l.cfg.Issues.ExcludeDirs = l.cfg.Run.SkipDirs
 	}
 
-	// The 2 options are true by default.
 	// Deprecated since v1.57.0
-	if !l.cfg.Run.UseDefaultSkipDirs {
+	if l.cfg.Run.UseDefaultSkipDirs != nil {
 		l.log.Warnf("The configuration option `run.skip-dirs-use-default` is deprecated, please use `issues.exclude-dirs-use-default`.")
+		l.cfg.Issues.UseDefaultExcludeDirs = *l.cfg.Run.UseDefaultSkipDirs
 	}
-	l.cfg.Issues.UseDefaultExcludeDirs = l.cfg.Run.UseDefaultSkipDirs && l.cfg.Issues.UseDefaultExcludeDirs
 
-	// The 2 options are false by default.
 	// Deprecated since v1.57.0
-	if l.cfg.Run.ShowStats {
+	if l.cfg.Run.ShowStats != nil {
 		l.log.Warnf("The configuration option `run.show-stats` is deprecated, please use `output.show-stats`")
+		l.cfg.Output.ShowStats = *l.cfg.Run.ShowStats
 	}
-	l.cfg.Output.ShowStats = l.cfg.Run.ShowStats || l.cfg.Output.ShowStats
 
 	// Deprecated since v1.63.0
 	if l.cfg.Output.UniqByLine != nil {
@@ -363,9 +360,11 @@ func (l *Loader) handleDeprecation() error {
 	}
 
 	// Deprecated since v1.59.0
-	if l.cfg.Issues.ExcludeGeneratedStrict {
+	if l.cfg.Issues.ExcludeGeneratedStrict != nil {
 		l.log.Warnf("The configuration option `issues.exclude-generated-strict` is deprecated, please use `issues.exclude-generated`")
-		l.cfg.Issues.ExcludeGenerated = "strict" // Don't use the constants to avoid cyclic dependencies.
+		if !*l.cfg.Issues.ExcludeGeneratedStrict {
+			l.cfg.Issues.ExcludeGenerated = "strict" // Don't use the constants to avoid cyclic dependencies.
+		}
 	}
 
 	l.handleLinterOptionDeprecations()
@@ -376,12 +375,12 @@ func (l *Loader) handleDeprecation() error {
 func (l *Loader) handleLinterOptionDeprecations() {
 	// Deprecated since v1.57.0,
 	// but it was unofficially deprecated since v1.19 (2019) (https://github.com/golangci/golangci-lint/pull/697).
-	if l.cfg.LintersSettings.Govet.CheckShadowing {
+	if l.cfg.LintersSettings.Govet.CheckShadowing != nil {
 		l.log.Warnf("The configuration option `linters.govet.check-shadowing` is deprecated. " +
 			"Please enable `shadow` instead, if you are not using `enable-all`.")
 	}
 
-	if l.cfg.LintersSettings.CopyLoopVar.IgnoreAlias {
+	if l.cfg.LintersSettings.CopyLoopVar.IgnoreAlias != nil {
 		l.log.Warnf("The configuration option `linters.copyloopvar.ignore-alias` is deprecated and ignored," +
 			"please use `linters.copyloopvar.check-alias`.")
 	}
@@ -403,7 +402,7 @@ func (l *Loader) handleLinterOptionDeprecations() {
 	}
 
 	// Deprecated since v1.33.0.
-	if l.cfg.LintersSettings.Godot.CheckAll {
+	if l.cfg.LintersSettings.Godot.CheckAll != nil {
 		l.log.Warnf("The configuration option `linters.godot.check-all` is deprecated, please use `linters.godot.scope: all`.")
 	}
 
@@ -428,23 +427,23 @@ func (l *Loader) handleLinterOptionDeprecations() {
 	}
 
 	// Deprecated since v1.60.0
-	if !l.cfg.LintersSettings.Unused.ExportedIsUsed {
+	if l.cfg.LintersSettings.Unused.ExportedIsUsed != nil {
 		l.log.Warnf("The configuration option `linters.unused.exported-is-used` is deprecated.")
 	}
 
 	// Deprecated since v1.58.0
-	if l.cfg.LintersSettings.SlogLint.ContextOnly {
+	if l.cfg.LintersSettings.SlogLint.ContextOnly != nil {
 		l.log.Warnf("The configuration option `linters.sloglint.context-only` is deprecated, please use `linters.sloglint.context`.")
 		l.cfg.LintersSettings.SlogLint.Context = cmp.Or(l.cfg.LintersSettings.SlogLint.Context, "all")
 	}
 
 	// Deprecated since v1.51.0
-	if l.cfg.LintersSettings.UseStdlibVars.OSDevNull {
+	if l.cfg.LintersSettings.UseStdlibVars.OSDevNull != nil {
 		l.log.Warnf("The configuration option `linters.usestdlibvars.os-dev-null` is deprecated.")
 	}
 
 	// Deprecated since v1.51.0
-	if l.cfg.LintersSettings.UseStdlibVars.SyslogPriority {
+	if l.cfg.LintersSettings.UseStdlibVars.SyslogPriority != nil {
 		l.log.Warnf("The configuration option `linters.usestdlibvars.syslog-priority` is deprecated.")
 	}
 }

pkg/config/run.go

@@ -29,10 +29,10 @@ type Run struct {
 	// Deprecated: use Issues.ExcludeDirs instead.
 	SkipDirs []string `mapstructure:"skip-dirs"`
 	// Deprecated: use Issues.UseDefaultExcludeDirs instead.
-	UseDefaultSkipDirs bool `mapstructure:"skip-dirs-use-default"`
+	UseDefaultSkipDirs *bool `mapstructure:"skip-dirs-use-default"`
 
 	// Deprecated: use Output.ShowStats instead.
-	ShowStats bool `mapstructure:"show-stats"`
+	ShowStats *bool `mapstructure:"show-stats"`
 }
 
 func (r *Run) Validate() error {

pkg/golinters/godot/godot.go

@@ -24,7 +24,7 @@ func New(settings *config.GodotSettings) *goanalysis.Linter {
 		}
 
 		// Convert deprecated setting
-		if settings.CheckAll {
+		if settings.CheckAll != nil && *settings.CheckAll {
 			dotSettings.Scope = godot.AllScope
 		}
 	}

pkg/golinters/govet/govet.go

@@ -190,7 +190,7 @@ func isAnalyzerEnabled(name string, cfg *config.GovetSettings, defaultAnalyzers
 	}
 
 	// Keeping for backward compatibility.
-	if cfg.CheckShadowing && name == shadow.Analyzer.Name {
+	if cfg.CheckShadowing != nil && *cfg.CheckShadowing && name == shadow.Analyzer.Name {
 		return true
 	}
 

pkg/golinters/usestdlibvars/usestdlibvars.go

@@ -18,10 +18,10 @@ func New(settings *config.UseStdlibVarsSettings) *goanalysis.Linter {
 			analyzer.CryptoHashFlag:         settings.CryptoHash,
 			analyzer.HTTPMethodFlag:         settings.HTTPMethod,
 			analyzer.HTTPStatusCodeFlag:     settings.HTTPStatusCode,
-			analyzer.OSDevNullFlag:          settings.OSDevNull,
+			analyzer.OSDevNullFlag:          settings.OSDevNull != nil && *settings.OSDevNull,
 			analyzer.RPCDefaultPathFlag:     settings.DefaultRPCPath,
 			analyzer.SQLIsolationLevelFlag:  settings.SQLIsolationLevel,
-			analyzer.SyslogPriorityFlag:     settings.SyslogPriority,
+			analyzer.SyslogPriorityFlag:     settings.SyslogPriority != nil && *settings.SyslogPriority,
 			analyzer.TimeLayoutFlag:         settings.TimeLayout,
 			analyzer.TimeMonthFlag:          settings.TimeMonth,
 			analyzer.TimeWeekdayFlag:        settings.TimeWeekday,