ineffassign: use upstrea instead of golangci fork (#1780)

Author: Sergey Vilgelm

go.mod

@@ -25,12 +25,12 @@ require (
 	github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a
 	github.com/golangci/go-misc v0.0.0-20180628070357-927a3d87b613
 	github.com/golangci/gofmt v0.0.0-20190930125516-244bba706f1a
-	github.com/golangci/ineffassign v0.0.0-20190609212857-42439a7714cc
 	github.com/golangci/lint-1 v0.0.0-20191013205115-297bf364a8e0
 	github.com/golangci/maligned v0.0.0-20180506175553-b1d89398deca
 	github.com/golangci/misspell v0.0.0-20180809174111-950f5d19e770
 	github.com/golangci/revgrep v0.0.0-20210208091834-cd28932614b5
 	github.com/golangci/unconvert v0.0.0-20180507085042-28b1c447d1f4
+	github.com/gordonklaus/ineffassign v0.0.0-20210225214923-2e10b2664254
 	github.com/jgautheron/goconst v0.0.0-20201117150253-ccae5bf973f3
 	github.com/jingyugao/rowserrcheck v0.0.0-20210130005344-c6a0c12dd98d
 	github.com/jirfag/go-printf-func-name v0.0.0-20191110105641-45db9963cdd3

go.sum

@@ -1,61 +1,17 @@
 package golinters
 
 import (
-	"fmt"
-	"sync"
-
-	"github.com/golangci/ineffassign"
+	"github.com/gordonklaus/ineffassign/pkg/ineffassign"
 	"golang.org/x/tools/go/analysis"
 
 	"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
-	"github.com/golangci/golangci-lint/pkg/lint/linter"
-	"github.com/golangci/golangci-lint/pkg/result"
 )
 
-const ineffassignName = "ineffassign"
-
 func NewIneffassign() *goanalysis.Linter {
-	var mu sync.Mutex
-	var resIssues []goanalysis.Issue
-
-	analyzer := &analysis.Analyzer{
-		Name: ineffassignName,
-		Doc:  goanalysis.TheOnlyanalyzerDoc,
-	}
 	return goanalysis.NewLinter(
-		ineffassignName,
+		"ineffassign",
 		"Detects when assignments to existing variables are not used",
-		[]*analysis.Analyzer{analyzer},
+		[]*analysis.Analyzer{ineffassign.Analyzer},
 		nil,
-	).WithContextSetter(func(lintCtx *linter.Context) {
-		analyzer.Run = func(pass *analysis.Pass) (interface{}, error) {
-			var fileNames []string
-			for _, f := range pass.Files {
-				pos := pass.Fset.PositionFor(f.Pos(), false)
-				fileNames = append(fileNames, pos.Filename)
-			}
-
-			issues := ineffassign.Run(fileNames)
-			if len(issues) == 0 {
-				return nil, nil
-			}
-
-			res := make([]goanalysis.Issue, 0, len(issues))
-			for _, i := range issues {
-				res = append(res, goanalysis.NewIssue(&result.Issue{
-					Pos:        i.Pos,
-					Text:       fmt.Sprintf("ineffectual assignment to %s", formatCode(i.IdentName, lintCtx.Cfg)),
-					FromLinter: ineffassignName,
-				}, pass))
-			}
-
-			mu.Lock()
-			resIssues = append(resIssues, res...)
-			mu.Unlock()
-
-			return nil, nil
-		}
-	}).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
-		return resIssues
-	}).WithLoadMode(goanalysis.LoadModeSyntax)
+	).WithLoadMode(goanalysis.LoadModeTypesInfo)
 }

pkg/golinters/ineffassign.go

@@ -184,6 +184,7 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
 			WithPresets(linter.PresetStyle).
 			WithURL("https://github.com/mdempsky/unconvert"),
 		linter.NewConfig(golinters.NewIneffassign()).
+			WithLoadForGoAnalysis().
 			WithPresets(linter.PresetUnused).
 			WithURL("https://github.com/gordonklaus/ineffassign"),
 		linter.NewConfig(golinters.NewDupl()).

pkg/lint/lintersdb/manager.go

@@ -185,8 +185,6 @@ func TestLintFilesWithLineDirective(t *testing.T) {
 		Run("-Egomodguard", "--disable-all", "--config=testdata/linedirective/gomodguard.yml", getTestDataDir("linedirective")).
 		ExpectHasIssue("import of package `github.com/ryancurrah/gomodguard` is blocked because the module is not " +
 			"in the allowed modules list. (gomodguard)")
-	r.Run("-Eineffassign", "--disable-all", "--no-config", getTestDataDir("linedirective")).
-		ExpectHasIssue("ineffectual assignment to `x` (ineffassign)")
 	r.Run("-Elll", "--disable-all", "--config=testdata/linedirective/lll.yml", getTestDataDir("linedirective")).
 		ExpectHasIssue("line is 57 characters (lll)")
 	r.Run("-Emisspell", "--disable-all", "--no-config", getTestDataDir("linedirective")).

test/run_test.go

@@ -1,11 +1,13 @@
 //args: -Eineffassign
 package testdata
 
+import "math"
+
 func _() {
-	x := 0
+	x := math.MinInt8
 	for {
 		_ = x
-		x = 0 // ERROR "ineffectual assignment to `x`"
+		x = 0 // ERROR "ineffectual assignment to x"
 		x = 0
 	}
 }