staticcheck: propagate Go version (#4907)

pkg/goanalysis/runner_loadingpackage.go

@@ -9,6 +9,8 @@ import (
 	"go/types"
 	"os"
 	"reflect"
+	"runtime"
+	"strings"
 	"sync"
 	"sync/atomic"
 
@@ -150,12 +152,15 @@ func (lp *loadingPackage) loadFromSource(loadMode LoadMode) error {
 		}
 		return imp.Types, nil
 	}
+
 	tc := &types.Config{
 		Importer: importerFunc(importer),
 		Error: func(err error) {
 			pkg.Errors = append(pkg.Errors, lp.convertError(err)...)
 		},
+		GoVersion: getGoVersion(),
 	}
+
 	_ = types.NewChecker(tc, pkg.Fset, pkg.Types, pkg.TypesInfo).Files(pkg.Syntax)
 	// Don't handle error here: errors are adding by tc.Error function.
 
@@ -497,3 +502,17 @@ func sizeOfReflectValueTreeBytes(rv reflect.Value, visitedPtrs map[uintptr]struc
 		panic("unknown rv of type " + rv.String())
 	}
 }
+
+// TODO(ldez) temporary workaround
+func getGoVersion() string {
+	goVersion := runtime.Version()
+
+	parts := strings.Fields(goVersion)
+
+	if len(parts) == 0 {
+		return goVersion
+	}
+
+	// When using GOEXPERIMENT, the version returned might look something like "go1.23.0 X:boringcrypto".
+	return parts[0]
+}

pkg/golinters/gosimple/gosimple.go

@@ -11,7 +11,7 @@ import (
 func New(settings *config.StaticCheckSettings) *goanalysis.Linter {
 	cfg := internal.StaticCheckConfig(settings)
 
-	analyzers := internal.SetupStaticCheckAnalyzers(simple.Analyzers, internal.GetGoVersion(settings), cfg.Checks)
+	analyzers := internal.SetupStaticCheckAnalyzers(simple.Analyzers, cfg.Checks)
 
 	return goanalysis.NewLinter(
 		"gosimple",

pkg/golinters/internal/staticcheck_common.go

@@ -14,20 +14,7 @@ import (
 
 var debugf = logutils.Debug(logutils.DebugKeyMegacheck)
 
-func GetGoVersion(settings *config.StaticCheckSettings) string {
-	var goVersion string
-	if settings != nil {
-		goVersion = settings.GoVersion
-	}
-
-	if goVersion != "" {
-		return goVersion
-	}
-
-	return "1.17"
-}
-
-func SetupStaticCheckAnalyzers(src []*lint.Analyzer, goVersion string, checks []string) []*analysis.Analyzer {
+func SetupStaticCheckAnalyzers(src []*lint.Analyzer, checks []string) []*analysis.Analyzer {
 	var names []string
 	for _, a := range src {
 		names = append(names, a.Analyzer.Name)
@@ -38,7 +25,6 @@ func SetupStaticCheckAnalyzers(src []*lint.Analyzer, goVersion string, checks []
 	var ret []*analysis.Analyzer
 	for _, a := range src {
 		if filter[a.Analyzer.Name] {
-			SetAnalyzerGoVersion(a.Analyzer, goVersion)
 			ret = append(ret, a.Analyzer)
 		}
 	}

pkg/golinters/spancheck/testdata/go.mod

@@ -1,6 +1,6 @@
 module spancheck
 
-go 1.20
+go 1.21
 
 require (
 	go.opentelemetry.io/otel v1.21.0

pkg/golinters/staticcheck/staticcheck.go

@@ -10,7 +10,7 @@ import (
 
 func New(settings *config.StaticCheckSettings) *goanalysis.Linter {
 	cfg := internal.StaticCheckConfig(settings)
-	analyzers := internal.SetupStaticCheckAnalyzers(staticcheck.Analyzers, internal.GetGoVersion(settings), cfg.Checks)
+	analyzers := internal.SetupStaticCheckAnalyzers(staticcheck.Analyzers, cfg.Checks)
 
 	return goanalysis.NewLinter(
 		"staticcheck",

pkg/golinters/stylecheck/stylecheck.go

@@ -20,7 +20,7 @@ func New(settings *config.StaticCheckSettings) *goanalysis.Linter {
 		return cfg, nil
 	}
 
-	analyzers := internal.SetupStaticCheckAnalyzers(stylecheck.Analyzers, internal.GetGoVersion(settings), cfg.Checks)
+	analyzers := internal.SetupStaticCheckAnalyzers(stylecheck.Analyzers, cfg.Checks)
 
 	return goanalysis.NewLinter(
 		"stylecheck",

pkg/golinters/unused/unused.go

@@ -12,14 +12,13 @@ import (
 
 	"github.com/golangci/golangci-lint/pkg/config"
 	"github.com/golangci/golangci-lint/pkg/goanalysis"
-	"github.com/golangci/golangci-lint/pkg/golinters/internal"
 	"github.com/golangci/golangci-lint/pkg/lint/linter"
 	"github.com/golangci/golangci-lint/pkg/result"
 )
 
 const linterName = "unused"
 
-func New(settings *config.UnusedSettings, scSettings *config.StaticCheckSettings) *goanalysis.Linter {
+func New(settings *config.UnusedSettings) *goanalysis.Linter {
 	var mu sync.Mutex
 	var resIssues []goanalysis.Issue
 
@@ -41,8 +40,6 @@ func New(settings *config.UnusedSettings, scSettings *config.StaticCheckSettings
 		},
 	}
 
-	internal.SetAnalyzerGoVersion(analyzer, internal.GetGoVersion(scSettings))
-
 	return goanalysis.NewLinter(
 		linterName,
 		"Checks Go code for unused constants, variables, functions and types",

pkg/lint/lintersdb/builder_linter.go

@@ -774,7 +774,7 @@ func (LinterBuilder) Build(cfg *config.Config) ([]*linter.Config, error) {
 			WithLoadForGoAnalysis().
 			WithURL("https://github.com/mvdan/unparam"),
 
-		linter.NewConfig(unused.New(&cfg.LintersSettings.Unused, &cfg.LintersSettings.Staticcheck)).
+		linter.NewConfig(unused.New(&cfg.LintersSettings.Unused)).
 			WithEnabledByDefault().
 			WithSince("v1.20.0").
 			WithLoadForGoAnalysis().