1 files changed, 6 insertions, 12 deletions
diff --git a/src/cmd/gofix/main.go b/src/cmd/gofix/main.go
index 4f7e923e3..1b091c18a 100644
--- a/src/cmd/gofix/main.go
+++ b/src/cmd/gofix/main.go
@@ -248,17 +248,11 @@ func diff(b1, b2 []byte) (data []byte, err os.Error) {
 	f1.Write(b1)
 	f2.Write(b2)
 
-	diffcmd, err := exec.LookPath("diff")
-	if err != nil {
-		return nil, err
+	data, err = exec.Command("diff", "-u", f1.Name(), f2.Name()).CombinedOutput()
+	if len(data) > 0 {
+		// diff exits with a non-zero status when the files don't match.
+		// Ignore that failure as long as we get output.
+		err = nil
 	}
-
-	c, err := exec.Run(diffcmd, []string{"diff", f1.Name(), f2.Name()}, nil, "",
-		exec.DevNull, exec.Pipe, exec.MergeWithStdout)
-	if err != nil {
-		return nil, err
-	}
-	defer c.Close()
-
-	return ioutil.ReadAll(c.Stdout)
+	return
 }