fixed 当目录中有子模块子代码且找不到commitid的情况下报错处理

(cherry picked from commit de2fd01271)

modules/git/repo_stats.go

@@ -59,7 +59,8 @@ func GetCodeActivityStatsWithoutSince(repo *gitea_git.Repository, branch string)
 	if len(branch) == 0 {
 		gitCmd.AddArguments("--branches=*")
 	} else {
-		gitCmd.AddArguments("--first-parent").AddDynamicArguments(branch)
+		//gitCmd.AddArguments("--first-parent").AddDynamicArguments(branch)
+		gitCmd.AddArguments("--branches").AddDynamicArguments(branch)
 	}
 
 	stderr := new(strings.Builder)

routers/hat/repo/file.go

@@ -137,12 +137,12 @@ func GetReadmeContents(ctx *context.APIContext) {
 	readmeSortArr := []string{"readme", "readme.en.md", "readme_en.md", "readme.md", "readme.ch.md", "readme_ch.md", "readme.zh.md", "readme_zh.md", "readme.cn.md", "readme_cn.md"}
 	readmePath := ""
 	readmePathInArrIndex := 0
-	filesListInterface, err := files_service.GetContentsOrList(ctx, ctx.Repo.Repository, "", ref)
+	filesListInterface, err := hat_files_service.GetContentsOrList(ctx, ctx.Repo.Repository, "", ref)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "GetContentsOrList", err)
 		return
 	}
-	filesList, ok := filesListInterface.([]*api.ContentsResponse)
+	filesList, ok := filesListInterface.([]*hat_api.ContentsResponse)
 	if ok {
 		for _, file := range filesList {
 			for i, sortItem := range readmeSortArr {

services/repository/files/content.go

@@ -134,21 +134,24 @@ func GetContents(ctx context.Context, repo *repo_model.Repository, treePath, ref
 	if err != nil {
 		return nil, err
 	}
+	var isTextFile = false
 
-	blob, err := gitRepo.GetBlob(entry.ID.String())
+	if !entry.IsSubModule() {
-	if err != nil {
+		blob, err := gitRepo.GetBlob(entry.ID.String())
-		return nil, err
+		if err != nil {
-	}
+			return nil, err
-	dataRc, err := blob.DataAsync()
+		}
-	if err != nil {
+		dataRc, err := blob.DataAsync()
-		return nil, err
+		if err != nil {
-	}
+			return nil, err
-	buf := make([]byte, 1024)
+		}
-	n, _ := util.ReadAtMost(dataRc, buf)
+		buf := make([]byte, 1024)
-	buf = buf[:n]
+		n, _ := util.ReadAtMost(dataRc, buf)
+		buf = buf[:n]
 
-	st := typesniffer.DetectContentType(buf)
+		st := typesniffer.DetectContentType(buf)
-	isTextFile := st.IsText()
+		isTextFile = st.IsText()
+	}
 
 	contentsResponse := &hat_api.ContentsResponse{
 		ContentsResponse: &gitea_api.ContentsResponse{