custom/conf/app.example.ini

@@ -701,6 +701,13 @@ PATH =
 ;; Dependencies can be added from any repository where the user is granted access or only from the current repository depending on this setting.
 ;ALLOW_CROSS_REPOSITORY_DEPENDENCIES = true
 ;;
+;; Default value for EnableParents
+;; Repositories will use parents by default depending on this setting
+;DEFAULT_ENABLE_PARENTS = true
+;;
+;; Parents can be added from any repository where the user is granted access or only from the current repository depending on this setting.
+;ALLOW_CROSS_REPOSITORY_PARENTS = true
+;;
 ;; Enable heatmap on users profiles.
 ;ENABLE_USER_HEATMAP = true
 ;;

integrations/api_repo_edit_test.go

@@ -35,6 +35,7 @@ func getRepoEditOptionFromRepo(repo *repo_model.Repository) *api.EditRepoOption
 			EnableTimeTracker:                config.EnableTimetracker,
 			AllowOnlyContributorsToTrackTime: config.AllowOnlyContributorsToTrackTime,
 			EnableIssueDependencies:          config.EnableDependencies,
+			EnableIssueParents:               config.EnableParents,
 		}
 	} else if unit, err := repo.GetUnit(unit_model.TypeExternalTracker); err == nil {
 		config := unit.ExternalTrackerConfig()
@@ -182,6 +183,7 @@ func TestAPIRepoEdit(t *testing.T) {
 			EnableTimeTracker:                false,
 			AllowOnlyContributorsToTrackTime: false,
 			EnableIssueDependencies:          false,
+			EnableIssueParents:               false,
 		}
 		*repoEditOption.HasWiki = true
 		repoEditOption.ExternalWiki = nil

models/error.go

@@ -1340,6 +1340,91 @@ func (err ErrUnknownDependencyType) Error() string {
 	return fmt.Sprintf("unknown dependency type [type: %d]", err.Type)
 }
 
+// .___                            ________                                   .___                   .__
+// |   | ______ ________ __   ____ \______ \   ____ ______   ____   ____    __| _/____   ____   ____ |__| ____   ______
+// |   |/  ___//  ___/  |  \_/ __ \ |    |  \_/ __ \\____ \_/ __ \ /    \  / __ |/ __ \ /    \_/ ___\|  |/ __ \ /  ___/
+// |   |\___ \ \___ \|  |  /\  ___/ |    `   \  ___/|  |_> >  ___/|   |  \/ /_/ \  ___/|   |  \  \___|  \  ___/ \___ \
+// |___/____  >____  >____/  \___  >_______  /\___  >   __/ \___  >___|  /\____ |\___  >___|  /\___  >__|\___  >____  >
+//          \/     \/            \/        \/     \/|__|        \/     \/      \/    \/     \/     \/        \/     \/
+
+// ErrParentExists represents a "ParentAlreadyExists" kind of error.
+type ErrParentExists struct {
+	IssueID      int64
+	ParentID int64
+}
+
+// IsErrParentExists checks if an error is a ErrParentExists.
+func IsErrParentExists(err error) bool {
+	_, ok := err.(ErrParentExists)
+	return ok
+}
+
+func (err ErrParentExists) Error() string {
+	return fmt.Sprintf("issue parent does already exist [issue id: %d, parent id: %d]", err.IssueID, err.ParentID)
+}
+
+// ErrParentNotExists represents a "ParentAlreadyExists" kind of error.
+type ErrParentNotExists struct {
+	IssueID      int64
+	ParentID int64
+}
+
+// IsErrParentNotExists checks if an error is a ErrParentExists.
+func IsErrParentNotExists(err error) bool {
+	_, ok := err.(ErrParentNotExists)
+	return ok
+}
+
+func (err ErrParentNotExists) Error() string {
+	return fmt.Sprintf("issue parent does not exist [issue id: %d, parent id: %d]", err.IssueID, err.ParentID)
+}
+
+// ErrCircularParent represents a "ParentCircular" kind of error.
+type ErrCircularParent struct {
+	IssueID      int64
+	ParentID     int64
+}
+
+// IsErrCircularParent checks if an error is a ErrCircularParent.
+func IsErrCircularParent(err error) bool {
+	_, ok := err.(ErrCircularParent)
+	return ok
+}
+
+func (err ErrCircularParent) Error() string {
+	return fmt.Sprintf("circular parents exists (two issues blocking each other) [issue id: %d, parent id: %d]", err.IssueID, err.ParentID)
+}
+
+// ErrParentsLeft represents an error where the issue you're trying to close still has parents left.
+type ErrParentsLeft struct {
+	IssueID int64
+}
+
+// IsErrParentsLeft checks if an error is a ErrParentsLeft.
+func IsErrParentsLeft(err error) bool {
+	_, ok := err.(ErrParentsLeft)
+	return ok
+}
+
+func (err ErrParentsLeft) Error() string {
+	return fmt.Sprintf("issue has open parents [issue id: %d]", err.IssueID)
+}
+
+// ErrUnknownParentType represents an error where an unknown parent type was passed
+type ErrUnknownParentType struct {
+	Type ParentType
+}
+
+// IsErrUnknownParentType checks if an error is ErrUnknownParentType
+func IsErrUnknownParentType(err error) bool {
+	_, ok := err.(ErrUnknownParentType)
+	return ok
+}
+
+func (err ErrUnknownParentType) Error() string {
+	return fmt.Sprintf("unknown parent type [type: %d]", err.Type)
+}
+
 //  __________            .__
 //  \______   \ _______  _|__| ______  _  __
 //  |       _// __ \  \/ /  |/ __ \ \/ \/ /

models/issue.go

@@ -1990,6 +1990,12 @@ type DependencyInfo struct {
 	repo_model.Repository `xorm:"extends"`
 }
 
+// ParentInfo represents high level information about an issue which is a parent of another issue.
+type ParentInfo struct {
+	Issue                 `xorm:"extends"`
+	repo_model.Repository `xorm:"extends"`
+}
+
 // getParticipantIDsByIssue returns all userIDs who are participated in comments of an issue and issue author
 func (issue *Issue) getParticipantIDsByIssue(e db.Engine) ([]int64, error) {
 	if issue == nil {
@@ -2048,6 +2054,42 @@ func (issue *Issue) getBlockingDependencies(e db.Engine) (issueDeps []*Dependenc
 	return issueDeps, err
 }
 
+// Get Blocked By Parents, aka all issues this issue is blocked by.
+func (issue *Issue) getBlockedByParents(e db.Engine) (issueParents []*ParentInfo, err error) {
+	err = e.
+		Table("issue").
+		Join("INNER", "repository", "repository.id = issue.repo_id").
+		Join("INNER", "issue_parent", "issue_parent.parent_id = issue.id").
+		Where("issue_id = ?", issue.ID).
+		// sort by repo id then created date, with the issues of the same repo at the beginning of the list
+		OrderBy("CASE WHEN issue.repo_id = " + strconv.FormatInt(issue.RepoID, 10) + " THEN 0 ELSE issue.repo_id END, issue.created_unix DESC").
+		Find(&issueParents)
+
+	for _, parentInfo := range issueParents {
+		parentInfo.Issue.Repo = &parentInfo.Repository
+	}
+
+	return issueParents, err
+}
+
+// Get Blocking Parents, aka all issues this issue blocks.
+func (issue *Issue) getBlockingParents(e db.Engine) (issueParents []*ParentInfo, err error) {
+	err = e.
+		Table("issue").
+		Join("INNER", "repository", "repository.id = issue.repo_id").
+		Join("INNER", "issue_parent", "issue_parent.issue_id = issue.id").
+		Where("parent_id = ?", issue.ID).
+		// sort by repo id then created date, with the issues of the same repo at the beginning of the list
+		OrderBy("CASE WHEN issue.repo_id = " + strconv.FormatInt(issue.RepoID, 10) + " THEN 0 ELSE issue.repo_id END, issue.created_unix DESC").
+		Find(&issueParents)
+
+	for _, parentInfo := range issueParents {
+		parentInfo.Issue.Repo = &parentInfo.Repository
+	}
+
+	return issueParents, err
+}
+
 // BlockedByDependencies finds all Dependencies an issue is blocked by
 func (issue *Issue) BlockedByDependencies() ([]*DependencyInfo, error) {
 	return issue.getBlockedByDependencies(db.GetEngine(db.DefaultContext))
@@ -2058,6 +2100,16 @@ func (issue *Issue) BlockingDependencies() ([]*DependencyInfo, error) {
 	return issue.getBlockingDependencies(db.GetEngine(db.DefaultContext))
 }
 
+// BlockedByParents finds all Parents an issue is blocked by
+func (issue *Issue) BlockedByParents() ([]*ParentInfo, error) {
+	return issue.getBlockedByParents(db.GetEngine(db.DefaultContext))
+}
+
+// BlockingParents returns all blocking dependencies, aka all other issues a given issue blocks
+func (issue *Issue) BlockingParents() ([]*ParentInfo, error) {
+	return issue.getBlockingParents(db.GetEngine(db.DefaultContext))
+}
+
 func (issue *Issue) updateClosedNum(ctx context.Context) (err error) {
 	if issue.IsPull {
 		err = repoStatsCorrectNumClosed(ctx, issue.RepoID, true, "num_closed_pulls")

models/issue_comment.go

@@ -82,6 +82,10 @@ const (
 	CommentTypeAddDependency
 	// 20 Dependency removed
 	CommentTypeRemoveDependency
+	// 19 Parent added
+	CommentTypeAddParent
+	// 20 Parent removed
+	CommentTypeRemoveParent
 	// 21 Comment a line of code
 	CommentTypeCode
 	// 22 Reviews a pull request by giving general feedback
@@ -933,6 +937,39 @@ func createIssueDependencyComment(ctx context.Context, doer *user_model.User, is
 	return
 }
 
+// Creates issue parent comment
+func createIssueParentComment(ctx context.Context, doer *user_model.User, issue, parentIssue *Issue, add bool) (err error) {
+	cType := CommentTypeAddParent
+	if !add {
+		cType = CommentTypeRemoveParent
+	}
+	if err = issue.loadRepo(ctx); err != nil {
+		return
+	}
+
+	// Make two comments, one in each issue
+	opts := &CreateCommentOptions{
+		Type:             cType,
+		Doer:             doer,
+		Repo:             issue.Repo,
+		Issue:            issue,
+		ParentIssueID:    parentIssue.ID,
+	}
+	if _, err = createComment(ctx, opts); err != nil {
+		return
+	}
+
+	opts = &CreateCommentOptions{
+		Type:             cType,
+		Doer:             doer,
+		Repo:             issue.Repo,
+		Issue:            parentIssue,
+		ParentIssueID:    issue.ID,
+	}
+	_, err = createComment(ctx, opts)
+	return
+}
+
 // CreateCommentOptions defines options for creating comment
 type CreateCommentOptions struct {
 	Type  CommentType
@@ -942,6 +979,7 @@ type CreateCommentOptions struct {
 	Label *Label
 
 	DependentIssueID int64
+	ParentIssueID    int64
 	OldMilestoneID   int64
 	MilestoneID      int64
 	OldProjectID     int64

models/issue_parent.go

@@ -0,0 +1,134 @@
+// Copyright 2018-2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"code.gitea.io/gitea/models/db"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/timeutil"
+)
+
+// IssueParent represents an issue parent
+type IssueParent struct {
+	ID           int64              `xorm:"pk autoincr"`
+	UserID       int64              `xorm:"NOT NULL"`
+	IssueID      int64              `xorm:"UNIQUE(issue_parent) NOT NULL"`
+	ParentID     int64              `xorm:"UNIQUE(issue_parent) NOT NULL"`
+	CreatedUnix  timeutil.TimeStamp `xorm:"created"`
+	UpdatedUnix  timeutil.TimeStamp `xorm:"updated"`
+}
+
+func init() {
+	db.RegisterModel(new(IssueParent))
+}
+
+// ParentType Defines Parent Type Constants
+type ParentType int
+
+// Define Parent Types
+const (
+	ParentTypeFather ParentType = iota
+	ParentTypeChild
+)
+
+// CreateIssueParent creates a new parent for an issue
+func CreateIssueParent(user *user_model.User, issue, parent *Issue) error {
+	ctx, committer, err := db.TxContext()
+	if err != nil {
+		return err
+	}
+	defer committer.Close()
+	sess := db.GetEngine(ctx)
+
+	// Check if it aleready exists
+	exists, err := issueParentExists(sess, issue.ID, parent.ID)
+	if err != nil {
+		return err
+	}
+	if exists {
+		return ErrParentExists{issue.ID, parent.ID}
+	}
+	// And if it would be circular
+	circular, err := issueParentExists(sess, parent.ID, issue.ID)
+	if err != nil {
+		return err
+	}
+	if circular {
+		return ErrCircularParent{issue.ID, parent.ID}
+	}
+
+	if err := db.Insert(ctx, &IssueParent{
+		UserID:       user.ID,
+		IssueID:      issue.ID,
+		ParentID:     parent.ID,
+	}); err != nil {
+		return err
+	}
+
+	// Add comment referencing the new parent
+	if err = createIssueParentComment(ctx, user, issue, parent, true); err != nil {
+		return err
+	}
+
+	return committer.Commit()
+}
+
+// RemoveIssueParent removes a parent from an issue
+func RemoveIssueParent(user *user_model.User, issue, parent *Issue, parentType ParentType) (err error) {
+	ctx, committer, err := db.TxContext()
+	if err != nil {
+		return err
+	}
+	defer committer.Close()
+
+	var issueParentToDelete IssueParent
+
+	switch parentType {
+	case ParentTypeFather:
+		issueParentToDelete = IssueParent{IssueID: issue.ID, ParentID: parent.ID}
+	case ParentTypeChild:
+		issueParentToDelete = IssueParent{IssueID: parent.ID, ParentID: issue.ID}
+	default:
+		return ErrUnknownParentType{parentType}
+	}
+
+	affected, err := db.GetEngine(ctx).Delete(&issueParentToDelete)
+	if err != nil {
+		return err
+	}
+
+	// If we deleted nothing, the parent did not exist
+	if affected <= 0 {
+		return ErrParentNotExists{issue.ID, parent.ID}
+	}
+
+	// Add comment referencing the removed parent
+	if err = createIssueParentComment(ctx, user, issue, parent, false); err != nil {
+		return err
+	}
+	return committer.Commit()
+}
+
+// Check if the parent already exists
+func issueParentExists(e db.Engine, issueID, depID int64) (bool, error) {
+	return e.Where("(issue_id = ? AND parent_id = ?)", issueID, depID).Exist(&IssueParent{})
+}
+
+// IssueNoParentsLeft checks if issue can be closed
+func IssueNoParentsLeft(issue *Issue) (bool, error) {
+	return issueNoParentsLeft(db.GetEngine(db.DefaultContext), issue)
+}
+
+func issueNoParentsLeft(e db.Engine, issue *Issue) (bool, error) {
+	exists, err := e.
+		Table("issue_parent").
+		Select("issue.*").
+		Join("INNER", "issue", "issue.id = issue_parent.parent_id").
+		Where("issue_parent.issue_id = ?", issue.ID).
+		And("issue.is_closed = ?", "0").
+		Exist(&Issue{})
+
+	return !exists, err
+}

models/issue_parent_test.go

@@ -0,0 +1,61 @@
+// Copyright 2018 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCreateIssueParent(t *testing.T) {
+	// Prepare
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	user1, err := user_model.GetUserByID(1)
+	assert.NoError(t, err)
+
+	issue1, err := GetIssueByID(1)
+	assert.NoError(t, err)
+
+	issue2, err := GetIssueByID(2)
+	assert.NoError(t, err)
+
+	// Create a dependency and check if it was successful
+	err = CreateIssueParent(user1, issue1, issue2)
+	assert.NoError(t, err)
+
+	// Do it again to see if it will check if the dependency already exists
+	err = CreateIssueParent(user1, issue1, issue2)
+	assert.Error(t, err)
+	assert.True(t, IsErrParentExists(err))
+
+	// Check for circular dependencies
+	err = CreateIssueParent(user1, issue2, issue1)
+	assert.Error(t, err)
+	assert.True(t, IsErrCircularParent(err))
+
+	_ = unittest.AssertExistsAndLoadBean(t, &Comment{Type: CommentTypeAddParent, PosterID: user1.ID, IssueID: issue1.ID})
+
+	// Check if dependencies left is correct
+	left, err := IssueNoParentsLeft(issue1)
+	assert.NoError(t, err)
+	assert.False(t, left)
+
+	// Close #2 and check again
+	_, err = issue2.ChangeStatus(user1, true)
+	assert.NoError(t, err)
+
+	left, err = IssueNoParentsLeft(issue1)
+	assert.NoError(t, err)
+	assert.True(t, left)
+
+	// Test removing the dependency
+	err = RemoveIssueParent(user1, issue1, issue2, ParentTypeFather)
+	assert.NoError(t, err)
+}

models/migrations/v70.go

@@ -102,6 +102,9 @@ func addIssueDependencies(x *xorm.Engine) (err error) {
 		if _, ok := unit.Config["EnableDependencies"]; !ok {
 			unit.Config["EnableDependencies"] = setting.Service.DefaultEnableDependencies
 		}
+		if _, ok := unit.Config["EnableParents"]; !ok {
+			unit.Config["EnableParents"] = setting.Service.DefaultEnableParents
+		}
 		if _, err := x.ID(unit.ID).Cols("config").Update(unit); err != nil {
 			return err
 		}

models/repo.go

@@ -515,6 +515,7 @@ func CreateRepository(ctx context.Context, doer, u *user_model.User, repo *repo_
 					EnableTimetracker:                setting.Service.DefaultEnableTimetracking,
 					AllowOnlyContributorsToTrackTime: setting.Service.DefaultAllowOnlyContributorsToTrackTime,
 					EnableDependencies:               setting.Service.DefaultEnableDependencies,
+					EnableParents:                    setting.Service.DefaultEnableParents,
 				},
 			})
 		} else if tp == unit.TypePullRequests {

models/repo/issue.go

@@ -70,3 +70,19 @@ func (repo *Repository) IsDependenciesEnabledCtx(ctx context.Context) bool {
 	}
 	return u.IssuesConfig().EnableDependencies
 }
+
+// IsParentsEnabled returns if parents are enabled and returns the default setting if not set.
+func (repo *Repository) IsParentsEnabled() bool {
+	return repo.IsParentsEnabledCtx(db.DefaultContext)
+}
+
+// IsParentsEnabledCtx returns if parents are enabled and returns the default setting if not set.
+func (repo *Repository) IsParentsEnabledCtx(ctx context.Context) bool {
+	var u *RepoUnit
+	var err error
+	if u, err = repo.GetUnitCtx(ctx, unit.TypeIssues); err != nil {
+		log.Trace("%s", err)
+		return setting.Service.DefaultEnableParents
+	}
+	return u.IssuesConfig().EnableParents
+}

models/repo/repo_unit.go

@@ -94,6 +94,7 @@ type IssuesConfig struct {
 	EnableTimetracker                bool
 	AllowOnlyContributorsToTrackTime bool
 	EnableDependencies               bool
+	EnableParents                    bool
 }
 
 // FromDB fills up a IssuesConfig from serialized format.

modules/context/repo.go

@@ -164,6 +164,11 @@ func (r *Repository) CanCreateIssueDependencies(user *user_model.User, isPull bo
 	return r.Repository.IsDependenciesEnabled() && r.Permission.CanWriteIssuesOrPulls(isPull)
 }
 
+// CanCreateIssueParents returns whether or not a user can create parents.
+func (r *Repository) CanCreateIssueParents(user *user_model.User, isPull bool) bool {
+	return r.Repository.IsParentsEnabled() && r.Permission.CanWriteIssuesOrPulls(isPull)
+}
+
 // GetCommitsCount returns cached commit count for current view
 func (r *Repository) GetCommitsCount() (int64, error) {
 	var contextName string

modules/convert/repository.go

@@ -51,6 +51,7 @@ func innerToRepo(repo *repo_model.Repository, mode perm.AccessMode, isParent boo
 			EnableTimeTracker:                config.EnableTimetracker,
 			AllowOnlyContributorsToTrackTime: config.AllowOnlyContributorsToTrackTime,
 			EnableIssueDependencies:          config.EnableDependencies,
+			EnableIssueParents:               config.EnableParents,
 		}
 	} else if unit, err := repo.GetUnit(unit_model.TypeExternalTracker); err == nil {
 		config := unit.ExternalTrackerConfig()

modules/doctor/fix16961.go

@@ -206,6 +206,10 @@ func fixIssuesConfig16961(bs []byte, cfg *repo_model.IssuesConfig) (fixed bool,
 	if parseErr != nil {
 		return
 	}
+	cfg.EnableParents, parseErr = parseBool16961(parts[3])
+	if parseErr != nil {
+		return
+	}
 	return true, nil
 }
 

modules/doctor/fix16961_test.go

@@ -237,11 +237,12 @@ func Test_fixIssuesConfig_16961(t *testing.T) {
 	}{
 		{
 			name: "normal",
-			bs:   `{"EnableTimetracker":true,"AllowOnlyContributorsToTrackTime":true,"EnableDependencies":true}`,
+			bs:   `{"EnableTimetracker":true,"AllowOnlyContributorsToTrackTime":true,"EnableDependencies":true,"EnableParents":true}`,
 			expected: repo_model.IssuesConfig{
 				EnableTimetracker:                true,
 				AllowOnlyContributorsToTrackTime: true,
 				EnableDependencies:               true,
+				EnableParents:                    true,
 			},
 		},
 		{
@@ -251,6 +252,7 @@ func Test_fixIssuesConfig_16961(t *testing.T) {
 				EnableTimetracker:                true,
 				AllowOnlyContributorsToTrackTime: true,
 				EnableDependencies:               true,
+				EnableParents:                    true,
 			},
 			wantFixed: true,
 		},

modules/setting/service.go

@@ -53,7 +53,9 @@ var Service = struct {
 	EnableTimetracking                      bool
 	DefaultEnableTimetracking               bool
 	DefaultEnableDependencies               bool
+	DefaultEnableParents                    bool
 	AllowCrossRepositoryDependencies        bool
+	AllowCrossRepositoryParents             bool
 	DefaultAllowOnlyContributorsToTrackTime bool
 	NoReplyAddress                          string
 	EnableUserHeatmap                       bool
@@ -141,7 +143,9 @@ func newService() {
 		Service.DefaultEnableTimetracking = sec.Key("DEFAULT_ENABLE_TIMETRACKING").MustBool(true)
 	}
 	Service.DefaultEnableDependencies = sec.Key("DEFAULT_ENABLE_DEPENDENCIES").MustBool(true)
+	Service.DefaultEnableParents = sec.Key("DEFAULT_ENABLE_PARENTS").MustBool(true)
 	Service.AllowCrossRepositoryDependencies = sec.Key("ALLOW_CROSS_REPOSITORY_DEPENDENCIES").MustBool(true)
+	Service.AllowCrossRepositoryParents = sec.Key("ALLOW_CROSS_REPOSITORY_PARENTS").MustBool(true)
 	Service.DefaultAllowOnlyContributorsToTrackTime = sec.Key("DEFAULT_ALLOW_ONLY_CONTRIBUTORS_TO_TRACK_TIME").MustBool(true)
 	Service.NoReplyAddress = sec.Key("NO_REPLY_ADDRESS").MustString("noreply." + Domain)
 	Service.EnableUserHeatmap = sec.Key("ENABLE_USER_HEATMAP").MustBool(true)

modules/structs/repo.go

@@ -25,6 +25,8 @@ type InternalTracker struct {
 	AllowOnlyContributorsToTrackTime bool `json:"allow_only_contributors_to_track_time"`
 	// Enable dependencies for issues and pull requests (Built-in issue tracker)
 	EnableIssueDependencies bool `json:"enable_issue_dependencies"`
+	// Enable parents for issues and pull requests (Built-in issue tracker)
+	EnableIssueParents bool `json:"enable_issue_parents"`
 }
 
 // ExternalTracker represents settings for external tracker

options/locale/locale_ru-RU.ini

@@ -991,6 +991,8 @@ file_view_raw=Посмотреть исходник
 file_permalink=Постоянная ссылка
 file_too_large=Этот файл слишком большой, поэтому он не может быть отображён.
 
+issues_tree=Дерево задач
+
 file_copy_permalink=Копировать постоянную ссылку
 video_not_supported_in_browser=Ваш браузер не поддерживает HTML5 'video' тэг.
 audio_not_supported_in_browser=Ваш браузер не поддерживает HTML5 'audio' тэг.
@@ -1372,6 +1374,33 @@ issues.dependency.add_error_dep_not_exist=Зависимости не сущес
 issues.dependency.add_error_dep_exists=Зависимость уже существует.
 issues.dependency.add_error_cannot_create_circular=Вы не можете создать зависимость с двумя задачами, блокирующими друг друга.
 issues.dependency.add_error_dep_not_same_repo=Обе задачи должны находиться в одном репозитории.
+
+issues.parent.title=Родительские задачи
+issues.parent.issue_no_parents=В настоящее время эта задача не имеет родителей.
+issues.parent.pr_no_parents=Этот запрос на слияние в настоящее время не имеет никаких родителей.
+issues.parent.add=Добавить родителя…
+issues.parent.cancel=Отменить
+issues.parent.remove=Удалить
+issues.parent.remove_info=Удалить этого родителя
+issues.parent.added_parent=`добавить нового родителя %s`
+issues.parent.removed_parent=`убрал родителя %s`
+issues.parent.pr_closing_blockedby=Этот запрос на слияние имеет родителей
+issues.parent.issue_closing_blockedby=Эта задача имеет родителей
+issues.parent.issue_close_blocks=Эта задача имеет следующих детей
+issues.parent.pr_close_blocks=Этот запрос на слияние имеет следующих детей
+issues.parent.blocks_short=Дети
+issues.parent.blocked_by_short=Родители
+issues.parent.remove_header=Удалить родителя
+issues.parent.issue_remove_text=Это приведет к удалению родителя от этой задачи. Продолжить?
+issues.parent.pr_remove_text=Это приведёт к удалению родителя от этого запроса на слияние. Продолжить?
+issues.parent.setting=Включение родителя для задач и запросов на слияние
+issues.parent.add_error_same_issue=Вы не можете указать родителя задачи на саму себя.
+issues.parent.add_error_dep_issue_not_exist=Родительсткая задача не существует.
+issues.parent.add_error_dep_not_exist=Родительсткой задачи не существует.
+issues.parent.add_error_dep_exists=Привязка к родителю уже существует.
+issues.parent.add_error_cannot_create_circular=Вы не можете создать родителей с двумя задачами, блокирующими друг друга.
+issues.parent.add_error_dep_not_same_repo=Обе задачи должны находиться в одном репозитории.
+
 issues.review.self.approval=Вы не можете одобрить собственный запрос на слияние.
 issues.review.self.rejection=Невозможно запрашивать изменения своего запроса на слияние.
 issues.review.approve=одобрил(а) эти изменения %s
@@ -2623,6 +2652,7 @@ config.default_allow_only_contributors_to_track_time=Учитывать толь
 config.no_reply_address=No-reply адрес
 config.default_visibility_organization=Видимость по умолчанию для новых организаций
 config.default_enable_dependencies=Включение зависимостей для задач по умолчанию
+config.default_enable_parents=Включение родителей для задач по умолчанию
 
 config.webhook_config=Конфигурация вебхуков
 config.queue_length=Длина очереди

routers/api/v1/repo/repo.go

@@ -776,6 +776,7 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 					EnableTimetracker:                opts.InternalTracker.EnableTimeTracker,
 					AllowOnlyContributorsToTrackTime: opts.InternalTracker.AllowOnlyContributorsToTrackTime,
 					EnableDependencies:               opts.InternalTracker.EnableIssueDependencies,
+					EnableParents:                    opts.InternalTracker.EnableIssueParents,
 				}
 			} else if unit, err := repo.GetUnit(unit_model.TypeIssues); err != nil {
 				// Unit type doesn't exist so we make a new config file with default values
@@ -783,6 +784,7 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 					EnableTimetracker:                true,
 					AllowOnlyContributorsToTrackTime: true,
 					EnableDependencies:               true,
+					EnableParents:                    true,
 				}
 			} else {
 				config = unit.IssuesConfig()

routers/web/repo/issue.go

@@ -47,6 +47,7 @@ const (
 	tplAttachment base.TplName = "repo/issue/view_content/attachments"
 
 	tplIssues      base.TplName = "repo/issue/list"
+	tplIssuesTree  base.TplName = "repo/issue/tree"
 	tplIssueNew    base.TplName = "repo/issue/new"
 	tplIssueChoose base.TplName = "repo/issue/choose"
 	tplIssueView   base.TplName = "repo/issue/view"
@@ -114,7 +115,7 @@ func MustAllowPulls(ctx *context.Context) {
 	}
 }
 
-func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption util.OptionalBool) {
+func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption util.OptionalBool, page_size int) {
 	var err error
 	viewType := ctx.FormString("type")
 	sortType := ctx.FormString("sort")
@@ -210,7 +211,7 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 	} else {
 		total = int(issueStats.ClosedCount)
 	}
-	pager := context.NewPagination(total, setting.UI.IssuePagingNum, page, 5)
+	pager := context.NewPagination(total, page_size, page, 5)
 
 	var mileIDs []int64
 	if milestoneID > 0 {
@@ -224,7 +225,7 @@ func issues(ctx *context.Context, milestoneID, projectID int64, isPullOption uti
 		issues, err = models.Issues(&models.IssuesOptions{
 			ListOptions: db.ListOptions{
 				Page:     pager.Paginater.Current(),
-				PageSize: setting.UI.IssuePagingNum,
+				PageSize: page_size,
 			},
 			RepoID:            repo.ID,
 			AssigneeID:        assigneeID,
@@ -391,7 +392,7 @@ func Issues(ctx *context.Context) {
 		ctx.Data["NewIssueChooseTemplate"] = len(ctx.IssueTemplatesFromDefaultBranch()) > 0
 	}
 
-	issues(ctx, ctx.FormInt64("milestone"), ctx.FormInt64("project"), util.OptionalBoolOf(isPullList))
+	issues(ctx, ctx.FormInt64("milestone"), ctx.FormInt64("project"), util.OptionalBoolOf(isPullList), setting.UI.IssuePagingNum)
 	if ctx.Written() {
 		return
 	}
@@ -412,6 +413,47 @@ func Issues(ctx *context.Context) {
 	ctx.HTML(http.StatusOK, tplIssues)
 }
 
+// Issues Tree render issues page
+func IssuesTree(ctx *context.Context) {
+	isPullList := ctx.Params(":type") == "pulls"
+	if isPullList {
+		MustAllowPulls(ctx)
+		if ctx.Written() {
+			return
+		}
+		ctx.Data["Title"] = ctx.Tr("repo.pulls")
+		ctx.Data["PageIsPullList"] = true
+	} else {
+		MustEnableIssues(ctx)
+		if ctx.Written() {
+			return
+		}
+		ctx.Data["Title"] = ctx.Tr("repo.issues_tree")
+		ctx.Data["PageIsIssuesTree"] = true
+		ctx.Data["NewIssueChooseTemplate"] = len(ctx.IssueTemplatesFromDefaultBranch()) > 0
+	}
+
+	issues(ctx, ctx.FormInt64("milestone"), ctx.FormInt64("project"), util.OptionalBoolOf(isPullList), 32*1024)
+	if ctx.Written() {
+		return
+	}
+
+	var err error
+	// Get milestones
+	ctx.Data["Milestones"], _, err = models.GetMilestones(models.GetMilestonesOption{
+		RepoID: ctx.Repo.Repository.ID,
+		State:  api.StateType(ctx.FormString("state")),
+	})
+	if err != nil {
+		ctx.ServerError("GetAllRepoMilestones", err)
+		return
+	}
+
+	ctx.Data["CanWriteIssuesOrPulls"] = ctx.Repo.CanWriteIssuesOrPulls(isPullList)
+
+	ctx.HTML(http.StatusOK, tplIssuesTree)
+}
+
 // RetrieveRepoMilestonesAndAssignees find all the milestones and assignees of a repository
 func RetrieveRepoMilestonesAndAssignees(ctx *context.Context, repo *repo_model.Repository) {
 	var err error
@@ -701,6 +743,9 @@ func RetrieveRepoMetas(ctx *context.Context, repo *repo_model.Repository, isPull
 	// Contains true if the user can create issue dependencies
 	ctx.Data["CanCreateIssueDependencies"] = ctx.Repo.CanCreateIssueDependencies(ctx.User, isPull)
 
+	// Contains true if the user can create issue parents
+	ctx.Data["CanCreateIssueParents"] = ctx.Repo.CanCreateIssueParents(ctx.User, isPull)
+
 	return labels
 }
 
@@ -1324,6 +1369,12 @@ func ViewIssue(ctx *context.Context) {
 	// check if dependencies can be created across repositories
 	ctx.Data["AllowCrossRepositoryDependencies"] = setting.Service.AllowCrossRepositoryDependencies
 
+	// Check if the user can use the parents
+	ctx.Data["CanCreateIssueParents"] = ctx.Repo.CanCreateIssueParents(ctx.User, issue.IsPull)
+
+	// check if parents can be created across repositories
+	ctx.Data["AllowCrossRepositoryParents"] = setting.Service.AllowCrossRepositoryParents
+
 	if issue.ShowRole, err = roleDescriptor(repo, issue.Poster, issue); err != nil {
 		ctx.ServerError("roleDescriptor", err)
 		return
@@ -1650,6 +1701,18 @@ func ViewIssue(ctx *context.Context) {
 		return
 	}
 
+	// Get Parents
+	ctx.Data["BlockedByParents"], err = issue.BlockedByParents()
+	if err != nil {
+		ctx.ServerError("BlockedByParents", err)
+		return
+	}
+	ctx.Data["BlockingParents"], err = issue.BlockingParents()
+	if err != nil {
+		ctx.ServerError("BlockingParents", err)
+		return
+	}
+
 	ctx.Data["Participants"] = participants
 	ctx.Data["NumParticipants"] = len(participants)
 	ctx.Data["Issue"] = issue

routers/web/repo/issue_parent.go

@@ -0,0 +1,129 @@
+// Copyright 2018-2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"net/http"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// AddParent adds new parents
+func AddParent(ctx *context.Context) {
+	issueIndex := ctx.ParamsInt64("index")
+	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, issueIndex)
+	if err != nil {
+		ctx.ServerError("GetIssueByIndex", err)
+		return
+	}
+
+	// Check if the Repo is allowed to have parents
+	if !ctx.Repo.CanCreateIssueParents(ctx.User, issue.IsPull) {
+		ctx.Error(http.StatusForbidden, "CanCreateIssueParents")
+		return
+	}
+
+	parentID := ctx.FormInt64("newParent")
+
+	if err = issue.LoadRepo(); err != nil {
+		ctx.ServerError("LoadRepo", err)
+		return
+	}
+
+	// Redirect
+	defer ctx.Redirect(issue.HTMLURL(), http.StatusSeeOther)
+
+	// Parent
+	parent, err := models.GetIssueByID(parentID)
+	if err != nil {
+		ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_dep_issue_not_exist"))
+		return
+	}
+
+	// Check if both issues are in the same repo if cross repository parents is not enabled
+	if issue.RepoID != parent.RepoID && !setting.Service.AllowCrossRepositoryParents {
+		ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_dep_not_same_repo"))
+		return
+	}
+
+	// Check if issue and parent is the same
+	if parent.ID == issue.ID {
+		ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_same_issue"))
+		return
+	}
+
+	err = models.CreateIssueParent(ctx.User, issue, parent)
+	if err != nil {
+		if models.IsErrParentExists(err) {
+			ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_dep_exists"))
+			return
+		} else if models.IsErrCircularParent(err) {
+			ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_cannot_create_circular"))
+			return
+		} else {
+			ctx.ServerError("CreateOrUpdateIssueParent", err)
+			return
+		}
+	}
+}
+
+// RemoveParent removes the parent
+func RemoveParent(ctx *context.Context) {
+	issueIndex := ctx.ParamsInt64("index")
+	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, issueIndex)
+	if err != nil {
+		ctx.ServerError("GetIssueByIndex", err)
+		return
+	}
+
+	// Check if the Repo is allowed to have dependencies
+	if !ctx.Repo.CanCreateIssueParents(ctx.User, issue.IsPull) {
+		ctx.Error(http.StatusForbidden, "CanCreateIssueParents")
+		return
+	}
+
+	parentID := ctx.FormInt64("removeParentID")
+
+	if err = issue.LoadRepo(); err != nil {
+		ctx.ServerError("LoadRepo", err)
+		return
+	}
+
+	// Parent Type
+	parentTypeStr := ctx.Req.PostForm.Get("parentType")
+
+	var parentType models.ParentType
+
+	switch parentTypeStr {
+	case "father":
+		parentType = models.ParentTypeFather
+	case "child":
+		parentType = models.ParentTypeChild
+	default:
+		ctx.Error(http.StatusBadRequest, "GetDependecyType")
+		return
+	}
+
+	// Parent
+	parent, err := models.GetIssueByID(parentID)
+	if err != nil {
+		ctx.ServerError("GetIssueByID", err)
+		return
+	}
+
+	if err = models.RemoveIssueParent(ctx.User, issue, parent, parentType); err != nil {
+		if models.IsErrParentNotExists(err) {
+			ctx.Flash.Error(ctx.Tr("repo.issues.parent.add_error_dep_not_exist"))
+			return
+		}
+		ctx.ServerError("RemoveIssueParent", err)
+		return
+	}
+
+	// Redirect
+	ctx.Redirect(issue.HTMLURL(), http.StatusSeeOther)
+}

routers/web/repo/milestone.go

@@ -289,7 +289,7 @@ func MilestoneIssuesAndPulls(ctx *context.Context) {
 	ctx.Data["Title"] = milestone.Name
 	ctx.Data["Milestone"] = milestone
 
-	issues(ctx, milestoneID, 0, util.OptionalBoolNone)
+	issues(ctx, milestoneID, 0, util.OptionalBoolNone, setting.UI.IssuePagingNum)
 	ctx.Data["NewIssueChooseTemplate"] = len(ctx.IssueTemplatesFromDefaultBranch()) > 0
 
 	ctx.Data["CanWriteIssues"] = ctx.Repo.CanWriteIssuesOrPulls(false)

routers/web/repo/setting.go

@@ -434,6 +434,7 @@ func SettingsPost(ctx *context.Context) {
 					EnableTimetracker:                form.EnableTimetracker,
 					AllowOnlyContributorsToTrackTime: form.AllowOnlyContributorsToTrackTime,
 					EnableDependencies:               form.EnableIssueDependencies,
+					EnableParents:                    form.EnableIssueParents,
 				},
 			})
 			deleteUnitTypes = append(deleteUnitTypes, unit_model.TypeExternalTracker)

routers/web/web.go

@@ -741,6 +741,10 @@ func RegisterRoutes(m *web.Route) {
 					m.Post("/add", repo.AddDependency)
 					m.Post("/delete", repo.RemoveDependency)
 				})
+				m.Group("/parent", func() {
+					m.Post("/add", repo.AddParent)
+					m.Post("/delete", repo.RemoveParent)
+				})
 				m.Combo("/comments").Post(repo.MustAllowUserComment, bindIgnErr(forms.CreateCommentForm{}), repo.NewComment)
 				m.Group("/times", func() {
 					m.Post("/add", bindIgnErr(forms.AddTimeManuallyForm{}), repo.AddTimeManually)
@@ -881,6 +885,7 @@ func RegisterRoutes(m *web.Route) {
 	m.Group("/{username}/{reponame}", func() {
 		m.Group("", func() {
 			m.Get("/{type:issues|pulls}", repo.Issues)
+			m.Get("/issues_tree", repo.IssuesTree)
 			m.Get("/{type:issues|pulls}/{index}", repo.ViewIssue)
 			m.Group("/{type:issues|pulls}/{index}/content-history", func() {
 				m.Get("/overview", repo.GetContentHistoryOverview)

services/forms/repo_form.go

@@ -155,6 +155,7 @@ type RepoSettingForm struct {
 	EnableTimetracker                     bool
 	AllowOnlyContributorsToTrackTime      bool
 	EnableIssueDependencies               bool
+	EnableIssueParents                    bool
 	IsArchived                            bool
 
 	// Signing Settings

templates/admin/config.tmpl

@@ -186,6 +186,8 @@
 				<dd>{{if .Service.NoReplyAddress}}{{.Service.NoReplyAddress}}{{else}}-{{end}}</dd>
 				<dt>{{.i18n.Tr "admin.config.default_enable_dependencies"}}</dt>
 				<dd>{{if .Service.DefaultEnableDependencies}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
+				<dt>{{.i18n.Tr "admin.config.default_enable_parents"}}</dt>
+				<dd>{{if .Service.DefaultEnableParents}}{{svg "octicon-check"}}{{else}}{{svg "octicon-x"}}{{end}}</dd>
 				<div class="ui divider"></div>
 				<dt>{{.i18n.Tr "admin.config.active_code_lives"}}</dt>
 				<dd>{{.Service.ActiveCodeLives}} {{.i18n.Tr "tool.raw_minutes"}}</dd>

templates/repo/header.tmpl

@@ -2,7 +2,7 @@
 {{with .Repository}}
 	<div class="ui container">
 		<div class="repo-header">
-			<div class="repo-title-wrap df fc">
+			<div id="repo-title-in-header" class="repo-title-wrap df fc">
 				<div class="repo-title">
 					{{$avatar := (repoAvatar . 32 "mr-3")}}
 					{{if $avatar}}

templates/repo/issue/navbar.tmpl

@@ -1,4 +1,5 @@
 <div class="ui compact left small menu">
 	<a class="{{if .PageIsLabels}}active{{end}} item" href="{{.RepoLink}}/labels">{{.i18n.Tr "repo.labels"}}</a>
 	<a class="{{if .PageIsMilestones}}active{{end}} item" href="{{.RepoLink}}/milestones">{{.i18n.Tr "repo.milestones"}}</a>
+	<a class="{{if .PageIsIssuesTree}}active{{end}} item" href="{{.RepoLink}}/issues_tree">{{.i18n.Tr "repo.issues_tree"}}</a>
 </div>

templates/repo/issue/tree.tmpl

@@ -0,0 +1,293 @@
+{{template "base/head" .}}
+<div class="page-content repository">
+	{{template "repo/header" .}}
+	<div class="ui container">
+		<div class="ui three column stackable grid">
+			<div class="column">
+				{{template "repo/issue/navbar" .}}
+			</div>
+			<div class="column center aligned">
+				{{template "repo/issue/search" .}}
+			</div>
+			{{if not .Repository.IsArchived}}
+				<div class="column right aligned">
+					{{if .PageIsIssuesTree}}
+						<a class="ui green button" href="{{.RepoLink}}/issues/new{{if .NewIssueChooseTemplate}}/choose{{end}}">{{.i18n.Tr "repo.issues.new"}}</a>
+					{{else}}
+						<a class="ui green button {{if not .PullRequestCtx.Allowed}}disabled{{end}}" href="{{if .PullRequestCtx.Allowed}}{{.Repository.Link}}/compare/{{.Repository.DefaultBranch | PathEscapeSegments}}...{{if ne .Repository.Owner.Name .PullRequestCtx.BaseRepo.Owner.Name}}{{PathEscape .Repository.Owner.Name}}:{{end}}{{.Repository.DefaultBranch | PathEscapeSegments}}{{end}}">{{.i18n.Tr "repo.pulls.new"}}</a>
+					{{end}}
+				</div>
+			{{else}}
+				{{if not .PageIsIssuesTree}}
+					<div class="column right aligned">
+						<a class="ui green button {{if not .PullRequestCtx.Allowed}}disabled{{end}}" href="{{if .PullRequestCtx.Allowed}}{{.PullRequestCtx.BaseRepo.Link}}/compare/{{.PullRequestCtx.BaseRepo.DefaultBranch | PathEscapeSegments}}...{{if ne .Repository.Owner.Name .PullRequestCtx.BaseRepo.Owner.Name}}{{PathEscape .Repository.Owner.Name}}:{{end}}{{.Repository.DefaultBranch | PathEscapeSegments}}{{end}}">{{$.i18n.Tr "action.compare_commits_general"}}</a>
+					</div>
+				{{end}}
+			{{end}}
+		</div>
+		<div class="ui divider"></div>
+		<div id="issue-filters" class="ui stackable grid">
+			<div class="six wide column">
+				{{template "repo/issue/openclose" .}}
+			</div>
+			<div class="ten wide right aligned column">
+				<div class="ui secondary filter stackable menu labels">
+					<!-- Label -->
+					<div class="ui {{if not .Labels}}disabled{{end}} dropdown jump item label-filter" style="margin-left: auto">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.filter_label"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<span class="info">{{.i18n.Tr "repo.issues.filter_label_exclude" | Safe}}</span>
+							<a class="item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_label_no_select"}}</a>
+							{{range .Labels}}
+								<a class="item label-filter-item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.QueryString}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}" data-label-id="{{.ID}}">{{if .IsExcluded}}{{svg "octicon-circle-slash"}}{{else if .IsSelected}}{{svg "octicon-check"}}{{end}}<span class="label color" style="background-color: {{.Color}}"></span> {{.Name | RenderEmoji}}</a>
+							{{end}}
+						</div>
+					</div>
+
+					<!-- Milestone -->
+					<div class="ui {{if not .Milestones}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.filter_milestone"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<a class="item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_milestone_no_select"}}</a>
+							{{range .Milestones}}
+								<a class="{{if $.MilestoneID}}{{if eq $.MilestoneID .ID}}active selected{{end}}{{end}} item" href="{{$.Link}}?type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{$.SelectLabels}}&milestone={{.ID}}&assignee={{$.AssigneeID}}">{{.Name}}</a>
+							{{end}}
+						</div>
+					</div>
+
+					<!-- Assignee -->
+					<div class="ui {{if not .Assignees}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.filter_assignee"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<a class="item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}">{{.i18n.Tr "repo.issues.filter_assginee_no_select"}}</a>
+							{{range .Assignees}}
+								<a class="{{if eq $.AssigneeID .ID}}active selected{{end}} item" href="{{$.Link}}?type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{$.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{.ID}}">
+									{{avatar .}} {{.GetDisplayName}}
+								</a>
+							{{end}}
+						</div>
+					</div>
+
+					{{if .IsSigned}}
+						<!-- Type -->
+						<div class="ui dropdown type jump item">
+							<span class="text">
+								{{.i18n.Tr "repo.issues.filter_type"}}
+								{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+							</span>
+							<div class="menu">
+								<a class="{{if eq .ViewType "all"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type=all&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_type.all_issues"}}</a>
+								<a class="{{if eq .ViewType "assigned"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type=assigned&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_type.assigned_to_you"}}</a>
+								<a class="{{if eq .ViewType "created_by"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type=created_by&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_type.created_by_you"}}</a>
+								<a class="{{if eq .ViewType "mentioned"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type=mentioned&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_type.mentioning_you"}}</a>
+								{{if .PageIsPullList}}
+									<a class="{{if eq .ViewType "review_requested"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type=review_requested&sort={{$.SortType}}&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_type.review_requested"}}</a>
+								{{end}}
+							</div>
+						</div>
+					{{end}}
+
+					<!-- Sort -->
+					<div class="ui dropdown type jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.filter_sort"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<a class="{{if or (eq .SortType "latest") (not .SortType)}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=latest&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.latest"}}</a>
+							<a class="{{if eq .SortType "oldest"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=oldest&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.oldest"}}</a>
+							<a class="{{if eq .SortType "recentupdate"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=recentupdate&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.recentupdate"}}</a>
+							<a class="{{if eq .SortType "leastupdate"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=leastupdate&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.leastupdate"}}</a>
+							<a class="{{if eq .SortType "mostcomment"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=mostcomment&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.mostcomment"}}</a>
+							<a class="{{if eq .SortType "leastcomment"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=leastcomment&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.leastcomment"}}</a>
+							<a class="{{if eq .SortType "nearduedate"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=nearduedate&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.nearduedate"}}</a>
+							<a class="{{if eq .SortType "farduedate"}}active{{end}} item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort=farduedate&state={{$.State}}&labels={{.SelectLabels}}&milestone={{$.MilestoneID}}&assignee={{$.AssigneeID}}">{{.i18n.Tr "repo.issues.filter_sort.farduedate"}}</a>
+						</div>
+					</div>
+				</div>
+			</div>
+		</div>
+		<div id="issue-actions" class="ui stackable grid hide">
+			<div class="six wide column">
+				{{template "repo/issue/openclose" .}}
+			</div>
+			{{/* Ten wide does not cope well and makes the columns stack.
+			This seems to be related to jQuery's hide/show: in fact, switching
+			issue-actions and issue-filters and having this ten wide will show
+			this one correctly, but not the other one. */}}
+			<div class="nine wide right aligned right floated column">
+				<div class="ui secondary filter stackable menu">
+					{{if not .Repository.IsArchived}}
+					<!-- Action Button -->
+					{{if .IsShowClosed}}
+						<div class="ui green active basic button issue-action" data-action="open" data-url="{{$.RepoLink}}/issues/status" style="margin-left: auto">{{.i18n.Tr "repo.issues.action_open"}}</div>
+					{{else}}
+						<div class="ui red active basic button issue-action" data-action="close" data-url="{{$.RepoLink}}/issues/status" style="margin-left: auto">{{.i18n.Tr "repo.issues.action_close"}}</div>
+					{{end}}
+					<!-- Labels -->
+					<div class="ui {{if not .Labels}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.action_label"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							{{range .Labels}}
+								<div class="item issue-action" data-action="toggle" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/labels">
+									{{if contain $.SelLabelIDs .ID}}{{svg "octicon-check"}}{{end}}<span class="label color" style="background-color: {{.Color}}"></span> {{.Name | RenderEmoji}}
+								</div>
+							{{end}}
+						</div>
+					</div>
+
+					<!-- Milestone -->
+					<div class="ui {{if not .Milestones}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.action_milestone"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<div class="item issue-action" data-element-id="0" data-url="{{$.Link}}/milestone">
+							{{.i18n.Tr "repo.issues.action_milestone_no_select"}}
+							</div>
+							{{range .Milestones}}
+								<div class="item issue-action" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/milestone">
+									{{.Name}}
+								</div>
+							{{end}}
+						</div>
+					</div>
+
+					<!-- Projects -->
+					<div class="ui {{if not .Projects}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.project_board"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<div class="item issue-action" data-element-id="0" data-url="{{$.Link}}/projects">
+							{{.i18n.Tr "repo.issues.new.no_projects"}}
+							</div>
+							{{range .Projects}}
+								<div class="item issue-action" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/projects">
+									{{.Title}}
+								</div>
+							{{end}}
+						</div>
+					</div>
+
+					<!-- Assignees -->
+					<div class="ui {{if not .Assignees}}disabled{{end}} dropdown jump item">
+						<span class="text">
+							{{.i18n.Tr "repo.issues.action_assignee"}}
+							{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+						</span>
+						<div class="menu">
+							<div class="item issue-action" data-element-id="0" data-url="{{$.Link}}/assignee">
+								{{.i18n.Tr "repo.issues.action_assignee_no_select"}}
+							</div>
+							{{range .Assignees}}
+								<div class="item issue-action" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/assignee">
+									{{avatar .}} {{.GetDisplayName}}
+								</div>
+							{{end}}
+						</div>
+					</div>
+					{{end}}
+				</div>
+			</div>
+		</div>
+		<div hidden>
+			{{template "shared/issuelistfortree" mergeinto . "listType" "repo"}}
+			<div id="repo_title" class="comment"></div>
+		</div>
+
+		<script>
+		var source = document.getElementById("repo-title-in-header"),
+		destination = document.getElementById("repo_title");
+
+		destination.innerHTML = source.innerHTML
+		
+		var task_post = [];
+
+		var config = {
+        container: "#TaskChart",
+        levelSeparation:    60,
+        siblingSeparation:  60,
+        nodeAlign: "BOTTOM",
+        connectors: {
+            type: "step",
+            style: {
+                "stroke-width": 4,
+                "stroke": "#ccc",
+                "stroke-dasharray": "-", //"", "-", ".", "-.", "-..", ". ", "- ", "--", "- .", "--.", "--.."
+                "arrow-end": "classic-wide-long"
+            }
+        },
+        },
+		
+		task_post0 = {
+			innerHTML: "#repo_title"
+		};
+
+		{{range .Issues}}
+			task_post[{{.ID}}] = {
+				parent: task_post0,
+				innerHTML: "#task{{.ID}}"
+			},
+		{{end}}
+
+		{{range .Issues}}
+			{{if .BlockedByParents}}
+				task_post[{{.ID}}].parent =
+				{{range .BlockedByParents}}
+					task_post[{{.Issue.ID}}];
+				{{end}}
+			{{end}}
+		{{end}}
+
+
+		tree_structure = [
+			config, task_post0,
+			{{range .Issues}}
+				task_post[{{.ID}}],
+			{{end}}
+		];
+		</script>
+		<div class="chart Treant loaded" id="TaskChart"></div>
+    
+		<style>
+	.chart { 
+		height: 600px;
+		width: 100%;
+		border: 3px solid #DDD;
+		border-radius: 3px;
+	}
+
+	.comment {
+		display: inline-block;
+		width: 360px;
+	}
+
+	.comment { padding: 3px; border: 1px solid #ddd; border-radius: 3px; }
+		</style>
+		
+		<link rel="stylesheet" href="https://fperucic.github.io/treant-js/Treant.css">
+		<script src="https://fperucic.github.io/treant-js/vendor/raphael.js"></script>
+		<script src="https://fperucic.github.io/treant-js/Treant.js"></script>
+		<script>
+        new Treant( tree_structure );
+		</script>
+	
+
+	</div>
+</div>
+{{template "base/footer" .}}

templates/repo/issue/view_content/sidebar.tmpl

@@ -444,6 +444,131 @@
 			{{end}}
 		</div>
 		
+		{{if .Repository.IsParentsEnabled}}
+			<div class="ui divider"></div>
+
+			<div class="ui depending">
+				{{if (and (not .BlockedByParents) (not .BlockingParents))}}
+					<span class="text"><strong>{{.i18n.Tr "repo.issues.parent.title"}}</strong></span>
+					<br>
+					<p>
+						{{if .Issue.IsPull}}
+							{{.i18n.Tr "repo.issues.parent.pr_no_parents"}}
+						{{else}}
+							{{.i18n.Tr "repo.issues.parent.issue_no_parents"}}
+						{{end}}
+					</p>
+				{{end}}
+
+				{{if .BlockingParents}}
+					<span class="text tooltip" data-content="{{if .Issue.IsPull}}{{.i18n.Tr "repo.issues.parent.pr_close_blocks"}}{{else}}{{.i18n.Tr "repo.issues.parent.issue_close_blocks"}}{{end}}">
+						<strong>{{.i18n.Tr "repo.issues.parent.blocks_short"}}</strong>
+					</span>
+					<div class="ui relaxed divided list">
+						{{range .BlockingParents}}
+							<div class="item parent{{if .Issue.IsClosed}} is-closed{{end}} df ac sb">
+								<div class="item-left df jc fc f1">
+									<a class="title" href="{{.Issue.Link}}">
+										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}
+									</a>
+									<div class="text small">
+										{{.Repository.OwnerName}}/{{.Repository.Name}}
+									</div>
+								</div>
+								<div class="item-right df ac">
+									{{if and $.CanCreateIssueParents (not $.Repository.IsArchived)}}
+										<a class="delete-parent-button tooltip ci muted" data-id="{{.Issue.ID}}" data-type="blocking" data-content="{{$.i18n.Tr "repo.issues.parent.remove_info"}}" data-inverted="">
+											{{svg "octicon-trash" 16}}
+										</a>
+									{{end}}
+								</div>
+							</div>
+						{{end}}
+					</div>
+				{{end}}
+
+				{{if .BlockedByParents}}
+					<span class="text tooltip" data-content="{{if .Issue.IsPull}}{{.i18n.Tr "repo.issues.parent.pr_closing_blockedby"}}{{else}}{{.i18n.Tr "repo.issues.parent.issue_closing_blockedby"}}{{end}}">
+						<strong>{{.i18n.Tr "repo.issues.parent.blocked_by_short"}}</strong>
+					</span>
+					<div class="ui relaxed divided list">
+						{{range .BlockedByParents}}
+							<div class="item parent{{if .Issue.IsClosed}} is-closed{{end}} df ac sb">
+								<div class="item-left df jc fc f1">
+									<a class="title" href="{{.Issue.Link}}">
+										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}
+									</a>
+									<div class="text small">
+										{{.Repository.OwnerName}}/{{.Repository.Name}}
+									</div>
+								</div>
+								<div class="item-right df ac">
+									{{if and $.CanCreateIssueParents (not $.Repository.IsArchived)}}
+										<a class="delete-parent-button tooltip ci muted" data-id="{{.Issue.ID}}" data-type="blockedBy" data-content="{{$.i18n.Tr "repo.issues.parent.remove_info"}}" data-inverted="">
+											{{svg "octicon-trash" 16}}
+										</a>
+									{{end}}
+								</div>
+							</div>
+						{{end}}
+					</div>
+				{{end}}
+
+				{{if and .CanCreateIssueParents (not .Repository.IsArchived)}}
+					<div>
+						<form method="POST" action="{{.Issue.Link}}/parent/add" id="addParentForm">
+							{{$.CsrfTokenHtml}}
+							<div class="ui fluid action input">
+								<div class="ui search selection dropdown" id="new-parent-drop-list" data-issue-id="{{.Issue.ID}}">
+									<input name="newParent" type="hidden">
+									{{svg "octicon-triangle-down" 14 "dropdown icon"}}
+									<input type="text" class="search">
+									<div class="default text">{{.i18n.Tr "repo.issues.parent.add"}}</div>
+								</div>
+								<button class="ui green icon button">
+									{{svg "octicon-plus"}}
+								</button>
+							</div>
+						</form>
+					</div>
+				{{end}}
+			</div>
+
+			{{if and .CanCreateIssueParents (not .Repository.IsArchived)}}
+				<input type="hidden" id="crossRepoSearch" value="{{.AllowCrossRepositoryParents}}">
+
+				<div class="ui basic modal remove-parent">
+					<div class="ui icon header">
+						{{svg "octicon-trash"}}
+						{{.i18n.Tr "repo.issues.parent.remove_header"}}
+					</div>
+					<div class="content">
+						<form method="POST" action="{{.Issue.Link}}/parent/delete" id="removeParentForm">
+							{{$.CsrfTokenHtml}}
+							<input type="hidden" value="" name="removeParentID" id="removeParentID"/>
+							<input type="hidden" value="" name="parentType" id="parentType"/>
+						</form>
+						<p>{{if .Issue.IsPull}}
+							{{.i18n.Tr "repo.issues.parent.pr_remove_text"}}
+						{{else}}
+							{{.i18n.Tr "repo.issues.parent.issue_remove_text"}}
+						{{end}}</p>
+					</div>
+					<div class="actions">
+						<div class="ui red cancel inverted button">
+							{{svg "octicon-x"}}
+							{{.i18n.Tr "repo.issues.parent.cancel"}}
+						</div>
+						<div class="ui green ok inverted button">
+							{{svg "octicon-check"}}
+							{{.i18n.Tr "repo.issues.parent.remove"}}
+						</div>
+					</div>
+				</div>
+			{{end}}
+		{{end}}
+
+
 		{{if .Repository.IsDependenciesEnabled}}
 			<div class="ui divider"></div>
 

templates/repo/settings/options.tmpl

@@ -329,6 +329,12 @@
 								<label>{{.i18n.Tr "repo.issues.dependency.setting"}}</label>
 							</div>
 						</div>
+						<div class="field">
+							<div class="ui checkbox">
+								<input name="enable_issue_parents" type="checkbox" {{if (.Repository.IsParentsEnabled)}}checked{{end}}>
+								<label>{{.i18n.Tr "repo.issues.parent.setting"}}</label>
+							</div>
+						</div>
 						<div class="ui checkbox">
 							<input name="enable_close_issues_via_commit_in_any_branch" type="checkbox" {{ if .Repository.CloseIssuesViaCommitInAnyBranch }}checked{{end}}>
 							<label>{{.i18n.Tr "repo.settings.admin_enable_close_issues_via_commit_in_any_branch"}}</label>

templates/shared/issuelistfortree.tmpl

@@ -0,0 +1,144 @@
+<div class="issue list">
+	{{ $approvalCounts := .ApprovalCounts}}
+	{{range .Issues}}
+		<div id="task{{.ID}}" class="issue list comment">
+		<li class="item df py-3">
+			<div class="issue-item-left df">
+				{{if $.CanWriteIssuesOrPulls}}
+					<div class="ui checkbox issue-checkbox">
+						<input type="checkbox" data-issue-id={{.ID}}></input>
+						<label></label>
+					</div>
+				{{end}}
+				<div class="issue-item-icon">
+					{{if .IsPull}}
+						{{if .PullRequest.HasMerged}}
+							{{svg "octicon-git-merge" 16 "text purple"}}
+						{{else}}
+							{{if .IsClosed}}
+								{{svg "octicon-git-pull-request" 16 "text red"}}
+							{{else}}
+								{{svg "octicon-git-pull-request" 16 "text green"}}
+							{{end}}
+						{{end}}
+					{{else}}
+						{{if .IsClosed}}
+							{{svg "octicon-issue-closed" 16 "text red"}}
+						{{else}}
+							{{svg "octicon-issue-opened" 16 "text green"}}
+						{{end}}
+					{{end}}
+				</div>
+			</div>
+			<div class="issue-item-main f1 fc df">
+				<div class="issue-item-top-row">
+					<a class="title tdn" href="{{if .HTMLURL}}{{.HTMLURL}}{{else}}{{$.Link}}/{{.Index}}{{end}}">{{RenderEmoji .Title}}</a>
+					{{if .IsPull}}
+						{{if (index $.CommitStatus .PullRequest.ID)}}
+							{{template "repo/commit_status" (index $.CommitStatus .PullRequest.ID)}}
+						{{end}}
+					{{end}}
+					<span class="labels-list ml-2">
+						{{range .Labels}}
+							<a class="ui label" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}{{if ne $.listType "milestone"}}&milestone={{$.MilestoneID}}{{end}}&assignee={{$.AssigneeID}}" style="color: {{.ForegroundColor}}; background-color: {{.Color}}" title="{{.Description | RenderEmojiPlain}}">{{.Name | RenderEmoji}}</a>
+						{{end}}
+					</span>
+				</div>
+				<div class="desc issue-item-bottom-row df ac fw my-1">
+					<a class="index ml-0 mr-2" href="{{if .HTMLURL}}{{.HTMLURL}}{{else}}{{$.Link}}/{{.Index}}{{end}}">
+						{{if eq $.listType "dashboard"}}
+							{{.Repo.FullName}}#{{.Index}}
+						{{else}}
+							#{{.Index}}
+						{{end}}
+					</a>
+					{{ $timeStr := TimeSinceUnix .GetLastEventTimestamp $.Lang }}
+					{{if .OriginalAuthor }}
+						{{$.i18n.Tr .GetLastEventLabelFake $timeStr (.OriginalAuthor|Escape) | Safe}}
+					{{else if gt .Poster.ID 0}}
+						{{$.i18n.Tr .GetLastEventLabel $timeStr (.Poster.HomeLink|Escape) (.Poster.GetDisplayName | Escape) | Safe}}
+					{{else}}
+						{{$.i18n.Tr .GetLastEventLabelFake $timeStr (.Poster.GetDisplayName | Escape) | Safe}}
+					{{end}}
+					{{if and .Milestone (ne $.listType "milestone")}}
+						<a class="milestone" {{if $.RepoLink}}href="{{$.RepoLink}}/milestone/{{.Milestone.ID}}"{{else}}href="{{.Repo.Link}}/milestone/{{.Milestone.ID}}"{{end}}>
+							{{svg "octicon-milestone" 14 "mr-2"}}{{.Milestone.Name}}
+						</a>
+					{{end}}
+					{{if .Ref}}
+						<a class="ref" {{if $.RepoLink}}href="{{index $.IssueRefURLs .ID}}"{{else}}href="{{.Repo.Link}}{{index $.IssueRefURLs .ID}}"{{end}}>
+							{{svg "octicon-git-branch" 14 "mr-2"}}{{index $.IssueRefEndNames .ID}}
+						</a>
+					{{end}}
+					{{$tasks := .GetTasks}}
+					{{if gt $tasks 0}}
+						{{$tasksDone := .GetTasksDone}}
+						<span class="checklist">
+							{{svg "octicon-checklist" 14 "mr-2"}}{{$tasksDone}} / {{$tasks}} <span class="progress-bar"><span class="progress" style="width:calc(100% * {{$tasksDone}} / {{$tasks}});"></span></span>
+						</span>
+					{{end}}
+					{{if ne .DeadlineUnix 0}}
+						<span class="due-date tooltip" data-content="{{$.i18n.Tr "repo.issues.due_date"}}" data-position="right center">
+							<span{{if .IsOverdue}} class="overdue"{{end}}>
+								{{svg "octicon-calendar" 14 "mr-2"}}
+								{{.DeadlineUnix.FormatShort}}
+							</span>
+						</span>
+					{{end}}
+					{{if .IsPull}}
+						{{$approveOfficial := call $approvalCounts .ID "approve"}}
+						{{$rejectOfficial := call $approvalCounts .ID "reject"}}
+						{{$waitingOfficial := call $approvalCounts .ID "waiting"}}
+						{{if gt $approveOfficial 0}}
+							<span class="approvals df ac">
+								{{svg "octicon-check" 14 "mr-1"}}
+								{{$.i18n.TrN $approveOfficial "repo.pulls.approve_count_1" "repo.pulls.approve_count_n" $approveOfficial}}
+							</span>
+						{{end}}
+						{{if gt $rejectOfficial 0}}
+							<span class="rejects df ac">
+								{{svg "octicon-diff" 14 "mr-2"}}
+								{{$.i18n.TrN $rejectOfficial "repo.pulls.reject_count_1" "repo.pulls.reject_count_n" $rejectOfficial}}
+							</span>
+						{{end}}
+						{{if gt $waitingOfficial 0}}
+							<span class="waiting df ac">
+								{{svg "octicon-eye" 14 "mr-2"}}
+								{{$.i18n.TrN $waitingOfficial "repo.pulls.waiting_count_1" "repo.pulls.waiting_count_n" $waitingOfficial}}
+							</span>
+						{{end}}
+						{{if and (not .PullRequest.HasMerged) (gt (len .PullRequest.ConflictedFiles) 0)}}
+							<span class="conflicting df ac">
+								{{svg "octicon-x" 14}}
+								{{$.i18n.TrN (len .PullRequest.ConflictedFiles) "repo.pulls.num_conflicting_files_1" "repo.pulls.num_conflicting_files_n" (len .PullRequest.ConflictedFiles)}}
+							</span>
+						{{end}}
+					{{end}}
+				</div>
+			</div>
+			<div class="issue-item-icons-right df p-2">
+				<div class="issue-item-icon-right text grey">
+					{{if .TotalTrackedTime}}
+						{{svg "octicon-clock" 16 "mr-2"}}
+						{{.TotalTrackedTime | Sec2Time}}
+					{{end}}
+				</div>
+				<div class="issue-item-icon-right text grey">
+					{{range .Assignees}}
+						<a class="ui assignee tooltip tdn" href="{{.HomeLink}}" data-content="{{.GetDisplayName}}" data-position="left center">
+							{{avatar .}}
+						</a>
+					{{end}}
+				</div>
+				<div class="issue-item-icon-right text grey">
+					{{if .NumComments}}
+						<a class="tdn" href="{{if .HTMLURL}}{{.HTMLURL}}{{else}}{{$.Link}}/{{.Index}}{{end}}">
+							{{svg "octicon-comment" 16 "mr-2"}}{{.NumComments}}
+						</a>
+					{{end}}
+				</div>
+			</div>
+		</li>
+		</div>
+	{{end}}
+</div>

templates/swagger/v1_json.tmpl

@@ -15592,6 +15592,11 @@
           "type": "boolean",
           "x-go-name": "EnableIssueDependencies"
         },
+        "enable_issue_parents": {
+          "description": "Enable parents for issues and pull requests (Built-in issue tracker)",
+          "type": "boolean",
+          "x-go-name": "EnableIssueParents"
+        },
         "enable_time_tracker": {
           "description": "Enable time tracking (Built-in issue tracker)",
           "type": "boolean",

web_src/js/features/repo-issue.js

@@ -121,6 +121,34 @@ export function initRepoIssueList() {
       fullTextSearch: true,
     });
 
+  $('#new-parent-drop-list')
+    .dropdown({
+      apiSettings: {
+        url: issueSearchUrl,
+        onResponse(response) {
+          const filteredResponse = {success: true, results: []};
+          const currIssueId = $('#new-parent-drop-list').data('issue-id');
+          // Parse the response from the api to work with our dropdown
+          $.each(response, (_i, issue) => {
+            // Don't list current issue in the parent list.
+            if (issue.id === currIssueId) {
+              return;
+            }
+            filteredResponse.results.push({
+              name: `#${issue.number} ${htmlEscape(issue.title)
+              }<div class="text small dont-break-out">${htmlEscape(issue.repository.full_name)}</div>`,
+              value: issue.id,
+            });
+          });
+          return filteredResponse;
+        },
+        cache: false,
+      },
+
+      fullTextSearch: true,
+    });
+
+
   function excludeLabel(item) {
     const href = $(item).attr('href');
     const id = $(item).data('label-id');
@@ -196,6 +224,24 @@ export function initRepoIssueDependencyDelete() {
   });
 }
 
+export function initRepoIssueParentDelete() {
+  // Delete Issue parent
+  $(document).on('click', '.delete-parent-button', (e) => {
+    const id = e.currentTarget.getAttribute('data-id');
+    const type = e.currentTarget.getAttribute('data-type');
+
+    $('.remove-parent').modal({
+      closable: false,
+      duration: 200,
+      onApprove: () => {
+        $('#removeParentID').val(id);
+        $('#parentType').val(type);
+        $('#removeParentForm').trigger('submit');
+      },
+    }).modal('show');
+  });
+}
+
 export function initRepoIssueCodeCommentCancel() {
   // Cancel inline code comment
   $(document).on('click', '.cancel-code-comment', (e) => {

web_src/js/features/repo-legacy.js

@@ -4,7 +4,7 @@ import {initCompImagePaste, initEasyMDEImagePaste} from './comp/ImagePaste.js';
 import {
   initRepoIssueBranchSelect, initRepoIssueCodeCommentCancel,
   initRepoIssueCommentDelete,
-  initRepoIssueComments, initRepoIssueDependencyDelete,
+  initRepoIssueComments, initRepoIssueDependencyDelete, initRepoIssueParentDelete,
   initRepoIssueReferenceIssue, initRepoIssueStatusButton,
   initRepoIssueTitleEdit,
   initRepoIssueWipToggle, initRepoPullRequestMerge, initRepoPullRequestUpdate,
@@ -516,6 +516,7 @@ export function initRepository() {
 
     initRepoIssueCommentDelete();
     initRepoIssueDependencyDelete();
+    initRepoIssueParentDelete();
     initRepoIssueCodeCommentCancel();
     initRepoIssueStatusButton();
     initRepoPullRequestMerge();

web_src/less/_repository.less

@@ -2929,6 +2929,21 @@ tbody.commit-list {
   }
 }
 
+#new-parent-drop-list {
+  &.ui.selection.dropdown {
+    min-width: 0;
+    width: 100%;
+    border-radius: 4px 0 0 4px;
+    border-right: 0;
+    white-space: nowrap;
+  }
+
+  .text {
+    width: 100%;
+    overflow: hidden;
+  }
+}
+
 #manage_topic {
   font-size: 12px;
 }