From d09399d928be6bc7cf91b9b3c1648ad68c5dd918 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B4=94=E7=AB=9E=E5=AE=81?= <cuijingning@bytedance.com>
Date: Thu, 8 Dec 2022 02:48:04 +0800
Subject: [PATCH] feat: export UnexpectFileMode

---
 index.go | 12 +++++-------
 job.go   |  4 +---
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/index.go b/index.go
index 93b35d3..59e74a6 100644
--- a/index.go
+++ b/index.go
@@ -10,7 +10,7 @@ import (
 )
 
 const (
-	unexpectFileMode = os.ModeType &^ os.ModeDir
+	UnexpectFileMode = os.ModeType &^ os.ModeDir
 )
 
 type counter struct {
@@ -76,10 +76,7 @@ func (c *Copyer) walk(ctx context.Context) []*baseJob {
 		}
 
 		mode := stat.Mode()
-		if mode&unexpectFileMode != 0 {
-			return
-		}
-		if !mode.IsDir() {
+		if mode.IsRegular() {
 			job, err := c.newJobFromFileInfo(src, stat)
 			if err != nil {
 				c.reportError(path, "", fmt.Errorf("make job fail, %w", err))
@@ -89,6 +86,9 @@ func (c *Copyer) walk(ctx context.Context) []*baseJob {
 			appendJob(job)
 			return
 		}
+		if mode&UnexpectFileMode != 0 {
+			return
+		}
 
 		files, err := os.ReadDir(path)
 		if err != nil {
@@ -98,8 +98,6 @@ func (c *Copyer) walk(ctx context.Context) []*baseJob {
 		for _, file := range files {
 			walk(src.append(file.Name()))
 		}
-
-		return
 	}
 	for _, s := range c.src {
 		walk(s)
diff --git a/job.go b/job.go
index db38965..17b922e 100644
--- a/job.go
+++ b/job.go
@@ -34,7 +34,6 @@ type baseJob struct {
 	copyer *Copyer
 	source *source
 
-	name    string      // base name of the file
 	size    int64       // length in bytes for regular files; system-dependent for others
 	mode    os.FileMode // file mode bits
 	modTime time.Time   // modification time
@@ -53,12 +52,11 @@ func (c *Copyer) newJobFromFileInfo(source *source, info os.FileInfo) (*baseJob,
 		copyer: c,
 		source: source,
 
-		name:    info.Name(),
 		size:    info.Size(),
 		mode:    info.Mode(),
 		modTime: info.ModTime(),
 	}
-	if job.mode.IsDir() || job.mode&unexpectFileMode != 0 {
+	if !job.mode.IsRegular() {
 		return nil, fmt.Errorf("unexpected file, path= %s", source.src())
 	}