Fix possible panic when repository is empty (#20509) (#20527)

models/issue_label.go

@@ -17,6 +17,7 @@ import (
 	"code.gitea.io/gitea/models/db"
 	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
 
 	"xorm.io/builder"
 )
@@ -104,6 +105,7 @@ func (label *Label) CalOpenOrgIssues(repoID, labelID int64) {
 	counts, _ := CountIssuesByRepo(&IssuesOptions{
 		RepoID:   repoID,
 		LabelIDs: []int64{labelID},
+		IsClosed: util.OptionalBoolFalse,
 	})
 
 	for _, count := range counts {

routers/web/repo/view.go

@@ -856,10 +856,14 @@ func renderCode(ctx *context.Context) {
 	ctx.Data["PageIsViewCode"] = true
 
 	if ctx.Repo.Repository.IsEmpty {
-		reallyEmpty, err := ctx.Repo.GitRepo.IsEmpty()
-		if err != nil {
-			ctx.ServerError("GitRepo.IsEmpty", err)
-			return
+		reallyEmpty := true
+		var err error
+		if ctx.Repo.GitRepo != nil {
+			reallyEmpty, err = ctx.Repo.GitRepo.IsEmpty()
+			if err != nil {
+				ctx.ServerError("GitRepo.IsEmpty", err)
+				return
+			}
 		}
 		if reallyEmpty {
 			ctx.HTML(http.StatusOK, tplRepoEMPTY)