1 files changed, 73 insertions, 0 deletions
diff --git a/routers/web/repo/common_recentbranches.go b/routers/web/repo/common_recentbranches.go
new file mode 100644
index 0000000000..c2083dec73
--- /dev/null
+++ b/routers/web/repo/common_recentbranches.go
@@ -0,0 +1,73 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	git_model "code.gitea.io/gitea/models/git"
+	access_model "code.gitea.io/gitea/models/perm/access"
+	unit_model "code.gitea.io/gitea/models/unit"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/services/context"
+	repo_service "code.gitea.io/gitea/services/repository"
+)
+
+type RecentBranchesPromptDataStruct struct {
+	RecentlyPushedNewBranches []*git_model.RecentlyPushedNewBranch
+}
+
+func prepareRecentlyPushedNewBranches(ctx *context.Context) {
+	if ctx.Doer == nil {
+		return
+	}
+	if err := ctx.Repo.Repository.GetBaseRepo(ctx); err != nil {
+		log.Error("GetBaseRepo: %v", err)
+		return
+	}
+
+	opts := git_model.FindRecentlyPushedNewBranchesOptions{
+		Repo:     ctx.Repo.Repository,
+		BaseRepo: ctx.Repo.Repository,
+	}
+	if ctx.Repo.Repository.IsFork {
+		opts.BaseRepo = ctx.Repo.Repository.BaseRepo
+	}
+
+	baseRepoPerm, err := access_model.GetUserRepoPermission(ctx, opts.BaseRepo, ctx.Doer)
+	if err != nil {
+		log.Error("GetUserRepoPermission: %v", err)
+		return
+	}
+	if !opts.Repo.CanContentChange() || !opts.BaseRepo.CanContentChange() {
+		return
+	}
+	if !opts.BaseRepo.UnitEnabled(ctx, unit_model.TypePullRequests) || !baseRepoPerm.CanRead(unit_model.TypePullRequests) {
+		return
+	}
+
+	var finalBranches []*git_model.RecentlyPushedNewBranch
+	branches, err := git_model.FindRecentlyPushedNewBranches(ctx, ctx.Doer, opts)
+	if err != nil {
+		log.Error("FindRecentlyPushedNewBranches failed: %v", err)
+		return
+	}
+
+	for _, branch := range branches {
+		divergingInfo, err := repo_service.GetBranchDivergingInfo(ctx,
+			branch.BranchRepo, branch.BranchName, // "base" repo for diverging info
+			opts.BaseRepo, opts.BaseRepo.DefaultBranch, // "head" repo for diverging info
+		)
+		if err != nil {
+			log.Error("GetBranchDivergingInfo failed: %v", err)
+			continue
+		}
+		branchRepoHasNewCommits := divergingInfo.BaseHasNewCommits
+		baseRepoCommitsBehind := divergingInfo.HeadCommitsBehind
+		if branchRepoHasNewCommits || baseRepoCommitsBehind > 0 {
+			finalBranches = append(finalBranches, branch)
+		}
+	}
+	if len(finalBranches) > 0 {
+		ctx.Data["RecentBranchesPromptData"] = RecentBranchesPromptDataStruct{finalBranches}
+	}
+}