allow filtering /repos/{owner}/{repo}/pulls by target base branch queryparam

models/issues/pull_list.go

@@ -28,11 +28,16 @@ type PullRequestsOptions struct {
 	Labels      []int64
 	MilestoneID int64
 	PosterID    int64
+	BaseBranch  string
 }
 
 func listPullRequestStatement(ctx context.Context, baseRepoID int64, opts *PullRequestsOptions) *xorm.Session {
 	sess := db.GetEngine(ctx).Where("pull_request.base_repo_id=?", baseRepoID)
 
+	if opts.BaseBranch != "" {
+		sess.And("pull_request.base_branch=?", opts.BaseBranch)
+	}
+
 	sess.Join("INNER", "issue", "pull_request.issue_id = issue.id")
 	switch opts.State {
 	case "closed", "open":

routers/api/v1/repo/pull.go

@@ -59,6 +59,10 @@ func ListPullRequests(ctx *context.APIContext) {
 	//   description: Name of the repo
 	//   type: string
 	//   required: true
+	// - name: base_branch
+	//   in: query
+	//   description: Filter by target base branch of the pull request
+	//   type: string
 	// - name: state
 	//   in: query
 	//   description: State of pull request
@@ -132,6 +136,7 @@ func ListPullRequests(ctx *context.APIContext) {
 		Labels:      labelIDs,
 		MilestoneID: ctx.FormInt64("milestone"),
 		PosterID:    posterID,
+		BaseBranch:  ctx.FormTrim("base_branch"),
 	})
 	if err != nil {
 		ctx.APIErrorInternal(err)