Improve codes

Author: lunny

modules/git/repo.go

@@ -79,12 +79,20 @@ func InitRepository(ctx context.Context, repoPath string, bare bool) error {
 
 // IsEmpty Check if repository is empty.
 func (repo *Repository) IsEmpty() (bool, error) {
-	var errbuf strings.Builder
-	if err := NewCommandContext(repo.Ctx, "rev-list", "--all", "--count", "--max-count=1").RunInDirPipeline(repo.Path, nil, &errbuf); err != nil {
+	var errbuf, output strings.Builder
+	if err := NewCommandContext(repo.Ctx, "rev-list", "--all", "--count", "--max-count=1").
+		RunWithContext(&RunContext{
+			Dir:    repo.Path,
+			Stdout: &output,
+			Stderr: &errbuf,
+		}); err != nil {
 		return true, fmt.Errorf("check empty: %v - %s", err, errbuf.String())
 	}
 
-	c, _ := strconv.Atoi(errbuf.String())
+	c, err := strconv.Atoi(strings.TrimSpace(output.String()))
+	if err != nil {
+		return true, fmt.Errorf("check empty: convert %s to count failed: %v", output.String(), err)
+	}
 	return c == 0, nil
 }