package: handle errgroup.Group

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/spf13/afero v1.11.0
 	golang.org/x/mod v0.22.0
+	golang.org/x/sync v0.10.0
 	golang.org/x/tools v0.28.0
 )
 

go.sum

@@ -42,6 +42,8 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
 golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=

lint/linter.go

@@ -106,7 +106,7 @@ func (l *Linter) Lint(packages [][]string, ruleSet []Rule, config Config) (<-cha
 		wg.Add(1)
 		go func(pkg []string, gover *goversion.Version) {
 			if err := l.lintPackage(pkg, gover, ruleSet, config, failures); err != nil {
-				fmt.Fprintln(os.Stderr, err)
+				fmt.Fprintln(os.Stderr, "Error during linting:"+err.Error())
 				os.Exit(1)
 			}
 			wg.Done()
@@ -153,7 +153,6 @@ func (l *Linter) lintPackage(filenames []string, gover *goversion.Version, ruleS
 	}
 
 	return pkg.lint(ruleSet, config, failures)
-
 }
 
 func detectGoMod(dir string) (rootDir string, ver *goversion.Version, err error) {

lint/package.go

@@ -1,16 +1,15 @@
 package lint
 
 import (
-	"fmt"
 	"errors"
 	"go/ast"
 	"go/importer"
 	"go/token"
 	"go/types"
-	"os"
 	"sync"
 
 	goversion "github.com/hashicorp/go-version"
+	"golang.org/x/sync/errgroup"
 
 	"github.com/mgechev/revive/internal/astutils"
 	"github.com/mgechev/revive/internal/typeparams"
@@ -185,19 +184,20 @@ func (p *Package) scanSortable() {
 
 func (p *Package) lint(rules []Rule, config Config, failures chan Failure) error {
 	p.scanSortable()
-	var wg sync.WaitGroup
+	var eg errgroup.Group
 	for _, file := range p.files {
-		wg.Add(1)
-		go (func(file *File) {
+		eg.Go(func() error {
 			err := file.lint(rules, config, failures)
 			if err != nil {
-				fmt.Fprintln(os.Stderr, "Error during linting:", err)
-				os.Exit(1)
+				return err
 			}
-			wg.Done()
-		})(file)
+			return nil
+		})
 	}
-	wg.Wait()
+	if err := eg.Wait(); err != nil {
+		return err
+	}
+
 	return nil
 }