error handling in git diffv0.0.147

1 files changed, 3 insertions, 3 deletions

diff --git a/shell.go b/shell.go
index d9c7bcd..54b34c9 100644
--- a/shell.go
+++ b/shell.go
@@ -178,14 +178,14 @@ func (repo *Repo) ConstructGitDiffLog(branch1, branch2 string) []string {
 }
 
 // count all objects only in branch1
-func (repo *Repo) CountDiffObjects(branch1, branch2 string) int {
+func (repo *Repo) CountDiffObjects(branch1, branch2 string) (int, error) {
 	cmd := repo.ConstructGitDiffLog(branch1, branch2)
 	r, err := repo.RunVerboseOnError(cmd)
 	if err != nil {
-		return -1
+		return -1, err
 	}
 	// log.Info("countDiffObjects()", cmd, len(r.Stdout), strings.Join(r.Stdout, " "))
-	return len(r.Stdout)
+	return len(r.Stdout), err
 }
 
 func (repo *Repo) RunPipe(cmd1 []string, cmd2 []string) cmd.Status {