fix: add concurrency option

Author: ldez

.golangci.example.yml

@@ -720,6 +720,10 @@ linters-settings:
     # Default: low
     confidence: medium
 
+    # Concurrency value.
+    # Default: the number of logical CPUs usable by the current process.
+    concurrency: 12
+
     # To specify the configuration of rules.
     # The configuration of rules is not fully documented by gosec:
     # https://github.com/securego/gosec#configuration

pkg/config/linters_settings.go

@@ -1,6 +1,10 @@
 package config
 
-import "github.com/pkg/errors"
+import (
+	"runtime"
+
+	"github.com/pkg/errors"
+)
 
 var defaultLintersSettings = LintersSettings{
 	Decorder: DecorderSettings{
@@ -47,6 +51,9 @@ var defaultLintersSettings = LintersSettings{
 		LangVersion: "",
 		ExtraRules:  false,
 	},
+	Gosec: GoSecSettings{
+		Concurrency: runtime.NumCPU(),
+	},
 	Ifshort: IfshortSettings{
 		MaxDeclLines: 1,
 		MaxDeclChars: 30,
@@ -355,12 +362,13 @@ type GoModGuardSettings struct {
 }
 
 type GoSecSettings struct {
-	Includes         []string
-	Excludes         []string
-	Severity         string
-	Confidence       string
+	Includes         []string               `mapstructure:"includes"`
+	Excludes         []string               `mapstructure:"excludes"`
+	Severity         string                 `mapstructure:"severity"`
+	Confidence       string                 `mapstructure:"confidence"`
 	ExcludeGenerated bool                   `mapstructure:"exclude-generated"`
 	Config           map[string]interface{} `mapstructure:"config"`
+	Concurrency      int                    `mapstructure:"concurrency"`
 }
 
 type GovetSettings struct {

pkg/golinters/gosec.go

@@ -55,7 +55,7 @@ func NewGosec(settings *config.GoSecSettings) *goanalysis.Linter {
 		nil,
 	).WithContextSetter(func(lintCtx *linter.Context) {
 		analyzer.Run = func(pass *analysis.Pass) (interface{}, error) {
-			gosecAnalyzer := gosec.NewAnalyzer(gasConfig, true, settings.ExcludeGenerated, false, logger)
+			gosecAnalyzer := gosec.NewAnalyzer(gasConfig, true, settings.ExcludeGenerated, false, settings.Concurrency, logger)
 			gosecAnalyzer.LoadRules(ruleDefinitions.RulesInfo())
 
 			pkg := &packages.Package{