add containedctx linter

Author: sivchari

go.mod

@@ -73,6 +73,7 @@ require (
 	github.com/shazow/go-diff v0.0.0-20160112020656-b6b7b6733b8c
 	github.com/shirou/gopsutil/v3 v3.21.12
 	github.com/sirupsen/logrus v1.8.1
+	github.com/sivchari/containedctx v1.0.0
 	github.com/sivchari/tenv v1.4.7
 	github.com/sonatard/noctx v0.0.1
 	github.com/sourcegraph/go-diff v0.6.1

go.sum

@@ -0,0 +1,23 @@
+package golinters
+
+import (
+	"github.com/sivchari/containedctx"
+	"golang.org/x/tools/go/analysis"
+
+	"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
+)
+
+func NewContainedCtx() *goanalysis.Linter {
+	a := containedctx.Analyzer
+
+	analyzers := []*analysis.Analyzer{
+		a,
+	}
+
+	return goanalysis.NewLinter(
+		a.Name,
+		a.Doc,
+		analyzers,
+		nil,
+	).WithLoadMode(goanalysis.LoadModeSyntax)
+}

pkg/golinters/containedctx.go

@@ -179,6 +179,12 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
 			WithPresets(linter.PresetPerformance, linter.PresetBugs).
 			WithURL("https://github.com/timakin/bodyclose"),
 
+		linter.NewConfig(golinters.NewContainedCtx()).
+			WithSince("1.44.0").
+			WithPresets(linter.PresetStyle).
+			WithLoadForGoAnalysis().
+			WithURL("https://github.com/sivchari/containedctx"),
+
 		linter.NewConfig(golinters.NewContextCheck()).
 			WithSince("v1.43.0").
 			WithPresets(linter.PresetBugs).

pkg/lint/lintersdb/manager.go

@@ -0,0 +1,15 @@
+// args: -Econtainedctx
+package testdata
+
+import "context"
+
+type ok struct {
+	i int
+	s string
+}
+
+type ng struct {
+	ctx context.Context // ERROR "found a struct that contains a context.Context field"
+}
+
+type empty struct{}