fix

Author: wxiaoguang

options/locale/locale_en-US.ini

@@ -2733,6 +2733,7 @@ branch.restore_success = Branch "%s" has been restored.
 branch.restore_failed = Failed to restore branch "%s".
 branch.protected_deletion_failed = Branch "%s" is protected. It cannot be deleted.
 branch.default_deletion_failed = Branch "%s" is the default branch. It cannot be deleted.
+branch.default_branch_not_exist = Default branch "%s" does not exist.
 branch.restore = Restore Branch "%s"
 branch.download = Download Branch "%s"
 branch.rename = Rename Branch "%s"

routers/web/repo/actions/actions.go

@@ -6,6 +6,7 @@ package actions
 import (
 	"bytes"
 	stdCtx "context"
+	"errors"
 	"net/http"
 	"slices"
 	"strings"
@@ -67,7 +68,11 @@ func List(ctx *context.Context) {
 	ctx.Data["PageIsActions"] = true
 
 	commit, err := ctx.Repo.GitRepo.GetBranchCommit(ctx.Repo.Repository.DefaultBranch)
-	if err != nil {
+	if errors.Is(err, util.ErrNotExist) {
+		ctx.Data["NotFoundPrompt"] = ctx.Tr("repo.branch.default_branch_not_exist", ctx.Repo.Repository.DefaultBranch)
+		ctx.NotFound(nil)
+		return
+	} else if err != nil {
 		ctx.ServerError("GetBranchCommit", err)
 		return
 	}

routers/web/repo/activity.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	activities_model "code.gitea.io/gitea/models/activities"
+	"code.gitea.io/gitea/models/git"
 	"code.gitea.io/gitea/models/unit"
 	"code.gitea.io/gitea/modules/templates"
 	"code.gitea.io/gitea/services/context"
@@ -52,6 +53,12 @@ func Activity(ctx *context.Context) {
 	ctx.Data["DateUntil"] = timeUntil
 	ctx.Data["PeriodText"] = ctx.Tr("repo.activity.period." + ctx.Data["Period"].(string))
 
+	branchExist, _ := git.IsBranchExist(ctx, ctx.Repo.Repository.ID, ctx.Repo.Repository.DefaultBranch)
+	if !branchExist {
+		ctx.Data["NotFoundPrompt"] = ctx.Tr("repo.branch.default_branch_not_exist", ctx.Repo.Repository.DefaultBranch)
+		ctx.NotFound(nil)
+		return
+	}
 	var err error
 	if ctx.Data["Activity"], err = activities_model.GetActivityStats(ctx, ctx.Repo.Repository, timeFrom,
 		ctx.Repo.CanRead(unit.TypeReleases),

services/context/context_response.go

@@ -150,7 +150,7 @@ func (ctx *Context) notFoundInternal(logMsg string, logErr error) {
 
 	ctx.Data["IsRepo"] = ctx.Repo.Repository != nil
 	ctx.Data["Title"] = "Page Not Found"
-	ctx.HTML(http.StatusNotFound, templates.TplName("status/404"))
+	ctx.HTML(http.StatusNotFound, "status/404")
 }
 
 // ServerError displays a 500 (Internal Server Error) page and prints the given error, if any.