with capture

byg.go

@@ -2,6 +2,7 @@ package byg
 
 import (
 	"context"
+	"log"
 	"sync"
 
 	"golang.org/x/sync/errgroup"
@@ -52,12 +53,15 @@ func (bb *Builder) Execute(ctx context.Context) error {
 	defer bb.addmu.Unlock()
 
 	for _, step := range bb.steps {
+		log.Printf("executing step: %s", step.name)
 		errgroup, _ := errgroup.WithContext(ctx)
 
 		for _, task := range step.tasks {
+			func(task StepExecuteFunc) {
 				errgroup.Go(func() error {
 					return task(Context{})
 				})
+			}(task)
 		}
 
 		if err := errgroup.Wait(); err != nil {