Add a new section named development in issue view sidebar to interact with branch/pr

services/forms/repo_branch_form.go

@@ -14,9 +14,10 @@ import (
 
 // NewBranchForm form for creating a new branch
 type NewBranchForm struct {
-	NewBranchName string `binding:"Required;MaxSize(100);GitRefName"`
-	CurrentPath   string
-	CreateTag     bool
+	NewBranchName    string `binding:"Required;MaxSize(100);GitRefName"`
+	SourceBranchName string
+	CurrentPath      string
+	CreateTag        bool
 }
 
 // Validate validates the fields

services/issue/dev_link.go

@@ -0,0 +1,64 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package issue
+
+import (
+	"context"
+	"strconv"
+
+	git_model "code.gitea.io/gitea/models/git"
+	issues_model "code.gitea.io/gitea/models/issues"
+	repo_model "code.gitea.io/gitea/models/repo"
+)
+
+func FindIssueDevLinksByIssue(ctx context.Context, issue *issues_model.Issue) (issues_model.IssueDevLinks, error) {
+	devLinks, err := issues_model.FindIssueDevLinksByIssueID(ctx, issue.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := issue.LoadRepo(ctx); err != nil {
+		return nil, err
+	}
+
+	for _, link := range devLinks {
+		if link.LinkedRepoID == 0 {
+			link.LinkedRepoID = issue.RepoID
+		}
+		isSameRepo := issue.RepoID == link.LinkedRepoID
+		if isSameRepo {
+			link.LinkedRepo = issue.Repo
+		} else if link.LinkedRepoID > 0 {
+			repo, err := repo_model.GetRepositoryByID(ctx, link.LinkedRepoID)
+			if err != nil {
+				return nil, err
+			}
+			link.LinkedRepo = repo
+		}
+
+		switch link.LinkType {
+		case issues_model.IssueDevLinkTypePullRequest:
+			pullID, err := strconv.ParseInt(link.LinkIndex, 10, 64)
+			if err != nil {
+				return nil, err
+			}
+			pull, err := issues_model.GetPullRequestByID(ctx, pullID)
+			if err != nil {
+				return nil, err
+			}
+			link.PullRequest = pull
+			link.PullRequest.Issue = issue
+			link.PullRequest.BaseRepo = issue.Repo
+		case issues_model.IssueDevLinkTypeBranch:
+			branch, err := git_model.GetBranch(ctx, link.LinkedRepoID, link.LinkIndex)
+			if err != nil {
+				return nil, err
+			}
+			link.Branch = branch
+			link.Branch.Repo = link.LinkedRepo
+		}
+	}
+
+	return devLinks, nil
+}

services/pull/pull.go

@@ -10,6 +10,7 @@ import (
 	"io"
 	"os"
 	"regexp"
+	"strconv"
 	"strings"
 	"time"
 
@@ -166,6 +167,24 @@ func NewPullRequest(ctx context.Context, repo *repo_model.Repository, issue *iss
 				return err
 			}
 		}
+
+		if pr.Flow == issues_model.PullRequestFlowGithub {
+			devLinks, err := issues_model.FindDevLinksByBranch(ctx, issue.RepoID, pr.HeadRepoID, pr.HeadBranch)
+			if err != nil {
+				return err
+			}
+			for _, link := range devLinks {
+				if err := issues_model.CreateIssueDevLink(ctx, &issues_model.IssueDevLink{
+					IssueID:      link.IssueID,
+					LinkType:     issues_model.IssueDevLinkTypePullRequest,
+					LinkedRepoID: pr.HeadRepoID,
+					LinkIndex:    strconv.FormatInt(pr.ID, 10),
+				}); err != nil {
+					return err
+				}
+			}
+		}
+
 		return nil
 	}); err != nil {
 		// cleanup: this will only remove the reference, the real commit will be clean up when next GC