Exclude default branch from pushed branch hint (#25795)

When pushing to default branch, no pushing hint should be prompt.
Fix #25778

---------

Co-authored-by: Giteabot <teabot@gitea.io>

models/git/branch.go

@@ -382,7 +382,8 @@ func RenameBranch(ctx context.Context, repo *repo_model.Repository, from, to str
 }
 
 // FindRecentlyPushedNewBranches return at most 2 new branches pushed by the user in 6 hours which has no opened PRs created
-func FindRecentlyPushedNewBranches(ctx context.Context, repoID, userID int64) (BranchList, error) {
+// except the indicate branch
+func FindRecentlyPushedNewBranches(ctx context.Context, repoID, userID int64, excludeBranchName string) (BranchList, error) {
 	branches := make(BranchList, 0, 2)
 	subQuery := builder.Select("head_branch").From("pull_request").
 		InnerJoin("issue", "issue.id = pull_request.issue_id").
@@ -392,6 +393,7 @@ func FindRecentlyPushedNewBranches(ctx context.Context, repoID, userID int64) (B
 		})
 	err := db.GetEngine(ctx).
 		Where("pusher_id=? AND is_deleted=?", userID, false).
+		And("name <> ?", excludeBranchName).
 		And("updated_unix >= ?", time.Now().Add(-time.Hour*6).Unix()).
 		NotIn("name", subQuery).
 		OrderBy("branch.updated_unix DESC").

routers/web/repo/view.go

@@ -982,7 +982,7 @@ func renderCode(ctx *context.Context) {
 			ctx.ServerError("GetBaseRepo", err)
 			return
 		}
-		ctx.Data["RecentlyPushedNewBranches"], err = git_model.FindRecentlyPushedNewBranches(ctx, ctx.Repo.Repository.ID, ctx.Doer.ID)
+		ctx.Data["RecentlyPushedNewBranches"], err = git_model.FindRecentlyPushedNewBranches(ctx, ctx.Repo.Repository.ID, ctx.Doer.ID, ctx.Repo.Repository.DefaultBranch)
 		if err != nil {
 			ctx.ServerError("GetRecentlyPushedBranches", err)
 			return