From 6c4e7b9fdedeeeb1eda78cefaff55750033d1327 Mon Sep 17 00:00:00 2001
From: Casey Lee <cplee@nektos.com>
Date: Wed, 22 Apr 2020 23:04:28 -0700
Subject: [PATCH] fix: 168 include error message from docker SDK

---
 pkg/container/docker_pull.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/container/docker_pull.go b/pkg/container/docker_pull.go
index 69a2e2f..13fdaa8 100644
--- a/pkg/container/docker_pull.go
+++ b/pkg/container/docker_pull.go
@@ -8,6 +8,7 @@ import (
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/client"
 	"github.com/nektos/act/pkg/common"
+	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -32,7 +33,7 @@ func NewDockerPullExecutor(input NewDockerPullExecutorInput) common.Executor {
 			imageExists, err := ImageExistsLocally(ctx, input.Image)
 			log.Debugf("Image exists? %v", imageExists)
 			if err != nil {
-				return fmt.Errorf("unable to determine if image already exists for image %q", input.Image)
+				return errors.WithMessagef(err, "unable to determine if image already exists for image %q", input.Image)
 			}
 
 			if !imageExists {