Add block on official review requests branch protection (#13705)

Signed-off-by: a1012112796 <1012112796@qq.com>

Co-authored-by: Lauris BH <lauris@nix.lv>

14 files changed, 228 insertions, 141 deletions

diff --git a/models/branches.go b/models/branches.go
index 420a4b663a..144767ee95 100644
--- a/models/branches.go
+++ b/models/branches.go
@@ -21,28 +21,29 @@ import (
 
 // ProtectedBranch struct
 type ProtectedBranch struct {
-	ID                        int64  `xorm:"pk autoincr"`
-	RepoID                    int64  `xorm:"UNIQUE(s)"`
-	BranchName                string `xorm:"UNIQUE(s)"`
-	CanPush                   bool   `xorm:"NOT NULL DEFAULT false"`
-	EnableWhitelist           bool
-	WhitelistUserIDs          []int64  `xorm:"JSON TEXT"`
-	WhitelistTeamIDs          []int64  `xorm:"JSON TEXT"`
-	EnableMergeWhitelist      bool     `xorm:"NOT NULL DEFAULT false"`
-	WhitelistDeployKeys       bool     `xorm:"NOT NULL DEFAULT false"`
-	MergeWhitelistUserIDs     []int64  `xorm:"JSON TEXT"`
-	MergeWhitelistTeamIDs     []int64  `xorm:"JSON TEXT"`
-	EnableStatusCheck         bool     `xorm:"NOT NULL DEFAULT false"`
-	StatusCheckContexts       []string `xorm:"JSON TEXT"`
-	EnableApprovalsWhitelist  bool     `xorm:"NOT NULL DEFAULT false"`
-	ApprovalsWhitelistUserIDs []int64  `xorm:"JSON TEXT"`
-	ApprovalsWhitelistTeamIDs []int64  `xorm:"JSON TEXT"`
-	RequiredApprovals         int64    `xorm:"NOT NULL DEFAULT 0"`
-	BlockOnRejectedReviews    bool     `xorm:"NOT NULL DEFAULT false"`
-	BlockOnOutdatedBranch     bool     `xorm:"NOT NULL DEFAULT false"`
-	DismissStaleApprovals     bool     `xorm:"NOT NULL DEFAULT false"`
-	RequireSignedCommits      bool     `xorm:"NOT NULL DEFAULT false"`
-	ProtectedFilePatterns     string   `xorm:"TEXT"`
+	ID                            int64  `xorm:"pk autoincr"`
+	RepoID                        int64  `xorm:"UNIQUE(s)"`
+	BranchName                    string `xorm:"UNIQUE(s)"`
+	CanPush                       bool   `xorm:"NOT NULL DEFAULT false"`
+	EnableWhitelist               bool
+	WhitelistUserIDs              []int64  `xorm:"JSON TEXT"`
+	WhitelistTeamIDs              []int64  `xorm:"JSON TEXT"`
+	EnableMergeWhitelist          bool     `xorm:"NOT NULL DEFAULT false"`
+	WhitelistDeployKeys           bool     `xorm:"NOT NULL DEFAULT false"`
+	MergeWhitelistUserIDs         []int64  `xorm:"JSON TEXT"`
+	MergeWhitelistTeamIDs         []int64  `xorm:"JSON TEXT"`
+	EnableStatusCheck             bool     `xorm:"NOT NULL DEFAULT false"`
+	StatusCheckContexts           []string `xorm:"JSON TEXT"`
+	EnableApprovalsWhitelist      bool     `xorm:"NOT NULL DEFAULT false"`
+	ApprovalsWhitelistUserIDs     []int64  `xorm:"JSON TEXT"`
+	ApprovalsWhitelistTeamIDs     []int64  `xorm:"JSON TEXT"`
+	RequiredApprovals             int64    `xorm:"NOT NULL DEFAULT 0"`
+	BlockOnRejectedReviews        bool     `xorm:"NOT NULL DEFAULT false"`
+	BlockOnOfficialReviewRequests bool     `xorm:"NOT NULL DEFAULT false"`
+	BlockOnOutdatedBranch         bool     `xorm:"NOT NULL DEFAULT false"`
+	DismissStaleApprovals         bool     `xorm:"NOT NULL DEFAULT false"`
+	RequireSignedCommits          bool     `xorm:"NOT NULL DEFAULT false"`
+	ProtectedFilePatterns         string   `xorm:"TEXT"`
 
 	CreatedUnix timeutil.TimeStamp `xorm:"created"`
 	UpdatedUnix timeutil.TimeStamp `xorm:"updated"`
@@ -171,13 +172,12 @@ func (protectBranch *ProtectedBranch) GetGrantedApprovalsCount(pr *PullRequest)
 }
 
 // MergeBlockedByRejectedReview returns true if merge is blocked by rejected reviews
-// An official ReviewRequest should also block Merge like Reject
 func (protectBranch *ProtectedBranch) MergeBlockedByRejectedReview(pr *PullRequest) bool {
 	if !protectBranch.BlockOnRejectedReviews {
 		return false
 	}
 	rejectExist, err := x.Where("issue_id = ?", pr.IssueID).
-		And("type in ( ?, ?)", ReviewTypeReject, ReviewTypeRequest).
+		And("type = ?", ReviewTypeReject).
 		And("official = ?", true).
 		Exist(new(Review))
 	if err != nil {
@@ -188,6 +188,24 @@ func (protectBranch *ProtectedBranch) MergeBlockedByRejectedReview(pr *PullReque
 	return rejectExist
 }
 
+// MergeBlockedByOfficialReviewRequests block merge because of some review request to official reviewer
+// of from official review
+func (protectBranch *ProtectedBranch) MergeBlockedByOfficialReviewRequests(pr *PullRequest) bool {
+	if !protectBranch.BlockOnOfficialReviewRequests {
+		return false
+	}
+	has, err := x.Where("issue_id = ?", pr.IssueID).
+		And("type = ?", ReviewTypeRequest).
+		And("official = ?", true).
+		Exist(new(Review))
+	if err != nil {
+		log.Error("MergeBlockedByOfficialReviewRequests: %v", err)
+		return true
+	}
+
+	return has
+}
+
 // MergeBlockedByOutdatedBranch returns true if merge is blocked by an outdated head branch
 func (protectBranch *ProtectedBranch) MergeBlockedByOutdatedBranch(pr *PullRequest) bool {
 	return protectBranch.BlockOnOutdatedBranch && pr.CommitsBehind > 0
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 5a2646474c..6b13719b44 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -254,6 +254,8 @@ var migrations = []Migration{
 	NewMigration("code comment replies should have the commitID of the review they are replying to", updateCodeCommentReplies),
 	// v159 -> v160
 	NewMigration("update reactions constraint", updateReactionConstraint),
+	// v160 -> v161
+	NewMigration("Add block on official review requests branch protection", addBlockOnOfficialReviewRequests),
 }
 
 // GetCurrentDBVersion returns the current db version
diff --git a/models/migrations/v160.go b/models/migrations/v160.go
new file mode 100644
index 0000000000..e1a4b4821d
--- /dev/null
+++ b/models/migrations/v160.go
@@ -0,0 +1,17 @@
+// Copyright 2020 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 migrations
+
+import (
+	"xorm.io/xorm"
+)
+
+func addBlockOnOfficialReviewRequests(x *xorm.Engine) error {
+	type ProtectedBranch struct {
+		BlockOnOfficialReviewRequests bool `xorm:"NOT NULL DEFAULT false"`
+	}
+
+	return x.Sync2(new(ProtectedBranch))
+}
diff --git a/modules/auth/repo_form.go b/modules/auth/repo_form.go
index 2d6f89b6ed..24c2478fa4 100644
--- a/modules/auth/repo_form.go
+++ b/modules/auth/repo_form.go
@@ -178,25 +178,26 @@ func (f *RepoSettingForm) Validate(ctx *macaron.Context, errs binding.Errors) bi
 
 // ProtectBranchForm form for changing protected branch settings
 type ProtectBranchForm struct {
-	Protected                bool
-	EnablePush               string
-	WhitelistUsers           string
-	WhitelistTeams           string
-	WhitelistDeployKeys      bool
-	EnableMergeWhitelist     bool
-	MergeWhitelistUsers      string
-	MergeWhitelistTeams      string
-	EnableStatusCheck        bool `xorm:"NOT NULL DEFAULT false"`
-	StatusCheckContexts      []string
-	RequiredApprovals        int64
-	EnableApprovalsWhitelist bool
-	ApprovalsWhitelistUsers  string
-	ApprovalsWhitelistTeams  string
-	BlockOnRejectedReviews   bool
-	BlockOnOutdatedBranch    bool
-	DismissStaleApprovals    bool
-	RequireSignedCommits     bool
-	ProtectedFilePatterns    string
+	Protected                     bool
+	EnablePush                    string
+	WhitelistUsers                string
+	WhitelistTeams                string
+	WhitelistDeployKeys           bool
+	EnableMergeWhitelist          bool
+	MergeWhitelistUsers           string
+	MergeWhitelistTeams           string
+	EnableStatusCheck             bool
+	StatusCheckContexts           []string
+	RequiredApprovals             int64
+	EnableApprovalsWhitelist      bool
+	ApprovalsWhitelistUsers       string
+	ApprovalsWhitelistTeams       string
+	BlockOnRejectedReviews        bool
+	BlockOnOfficialReviewRequests bool
+	BlockOnOutdatedBranch         bool
+	DismissStaleApprovals         bool
+	RequireSignedCommits          bool
+	ProtectedFilePatterns         string
 }
 
 // Validate validates the fields
diff --git a/modules/convert/convert.go b/modules/convert/convert.go
index 5d056c3795..9b20c683be 100644
--- a/modules/convert/convert.go
+++ b/modules/convert/convert.go
@@ -105,28 +105,29 @@ func ToBranchProtection(bp *models.ProtectedBranch) *api.BranchProtection {
 	}
 
 	return &api.BranchProtection{
-		BranchName:                  bp.BranchName,
-		EnablePush:                  bp.CanPush,
-		EnablePushWhitelist:         bp.EnableWhitelist,
-		PushWhitelistUsernames:      pushWhitelistUsernames,
-		PushWhitelistTeams:          pushWhitelistTeams,
-		PushWhitelistDeployKeys:     bp.WhitelistDeployKeys,
-		EnableMergeWhitelist:        bp.EnableMergeWhitelist,
-		MergeWhitelistUsernames:     mergeWhitelistUsernames,
-		MergeWhitelistTeams:         mergeWhitelistTeams,
-		EnableStatusCheck:           bp.EnableStatusCheck,
-		StatusCheckContexts:         bp.StatusCheckContexts,
-		RequiredApprovals:           bp.RequiredApprovals,
-		EnableApprovalsWhitelist:    bp.EnableApprovalsWhitelist,
-		ApprovalsWhitelistUsernames: approvalsWhitelistUsernames,
-		ApprovalsWhitelistTeams:     approvalsWhitelistTeams,
-		BlockOnRejectedReviews:      bp.BlockOnRejectedReviews,
-		BlockOnOutdatedBranch:       bp.BlockOnOutdatedBranch,
-		DismissStaleApprovals:       bp.DismissStaleApprovals,
-		RequireSignedCommits:        bp.RequireSignedCommits,
-		ProtectedFilePatterns:       bp.ProtectedFilePatterns,
-		Created:                     bp.CreatedUnix.AsTime(),
-		Updated:                     bp.UpdatedUnix.AsTime(),
+		BranchName:                    bp.BranchName,
+		EnablePush:                    bp.CanPush,
+		EnablePushWhitelist:           bp.EnableWhitelist,
+		PushWhitelistUsernames:        pushWhitelistUsernames,
+		PushWhitelistTeams:            pushWhitelistTeams,
+		PushWhitelistDeployKeys:       bp.WhitelistDeployKeys,
+		EnableMergeWhitelist:          bp.EnableMergeWhitelist,
+		MergeWhitelistUsernames:       mergeWhitelistUsernames,
+		MergeWhitelistTeams:           mergeWhitelistTeams,
+		EnableStatusCheck:             bp.EnableStatusCheck,
+		StatusCheckContexts:           bp.StatusCheckContexts,
+		RequiredApprovals:             bp.RequiredApprovals,
+		EnableApprovalsWhitelist:      bp.EnableApprovalsWhitelist,
+		ApprovalsWhitelistUsernames:   approvalsWhitelistUsernames,
+		ApprovalsWhitelistTeams:       approvalsWhitelistTeams,
+		BlockOnRejectedReviews:        bp.BlockOnRejectedReviews,
+		BlockOnOfficialReviewRequests: bp.BlockOnOfficialReviewRequests,
+		BlockOnOutdatedBranch:         bp.BlockOnOutdatedBranch,
+		DismissStaleApprovals:         bp.DismissStaleApprovals,
+		RequireSignedCommits:          bp.RequireSignedCommits,
+		ProtectedFilePatterns:         bp.ProtectedFilePatterns,
+		Created:                       bp.CreatedUnix.AsTime(),
+		Updated:                       bp.UpdatedUnix.AsTime(),
 	}
 }
 
diff --git a/modules/structs/repo_branch.go b/modules/structs/repo_branch.go
index 490c63070a..efb4caecb0 100644
--- a/modules/structs/repo_branch.go
+++ b/modules/structs/repo_branch.go
@@ -23,26 +23,27 @@ type Branch struct {
 
 // BranchProtection represents a branch protection for a repository
 type BranchProtection struct {
-	BranchName                  string   `json:"branch_name"`
-	EnablePush                  bool     `json:"enable_push"`
-	EnablePushWhitelist         bool     `json:"enable_push_whitelist"`
-	PushWhitelistUsernames      []string `json:"push_whitelist_usernames"`
-	PushWhitelistTeams          []string `json:"push_whitelist_teams"`
-	PushWhitelistDeployKeys     bool     `json:"push_whitelist_deploy_keys"`
-	EnableMergeWhitelist        bool     `json:"enable_merge_whitelist"`
-	MergeWhitelistUsernames     []string `json:"merge_whitelist_usernames"`
-	MergeWhitelistTeams         []string `json:"merge_whitelist_teams"`
-	EnableStatusCheck           bool     `json:"enable_status_check"`
-	StatusCheckContexts         []string `json:"status_check_contexts"`
-	RequiredApprovals           int64    `json:"required_approvals"`
-	EnableApprovalsWhitelist    bool     `json:"enable_approvals_whitelist"`
-	ApprovalsWhitelistUsernames []string `json:"approvals_whitelist_username"`
-	ApprovalsWhitelistTeams     []string `json:"approvals_whitelist_teams"`
-	BlockOnRejectedReviews      bool     `json:"block_on_rejected_reviews"`
-	BlockOnOutdatedBranch       bool     `json:"block_on_outdated_branch"`
-	DismissStaleApprovals       bool     `json:"dismiss_stale_approvals"`
-	RequireSignedCommits        bool     `json:"require_signed_commits"`
-	ProtectedFilePatterns       string   `json:"protected_file_patterns"`
+	BranchName                    string   `json:"branch_name"`
+	EnablePush                    bool     `json:"enable_push"`
+	EnablePushWhitelist           bool     `json:"enable_push_whitelist"`
+	PushWhitelistUsernames        []string `json:"push_whitelist_usernames"`
+	PushWhitelistTeams            []string `json:"push_whitelist_teams"`
+	PushWhitelistDeployKeys       bool     `json:"push_whitelist_deploy_keys"`
+	EnableMergeWhitelist          bool     `json:"enable_merge_whitelist"`
+	MergeWhitelistUsernames       []string `json:"merge_whitelist_usernames"`
+	MergeWhitelistTeams           []string `json:"merge_whitelist_teams"`
+	EnableStatusCheck             bool     `json:"enable_status_check"`
+	StatusCheckContexts           []string `json:"status_check_contexts"`
+	RequiredApprovals             int64    `json:"required_approvals"`
+	EnableApprovalsWhitelist      bool     `json:"enable_approvals_whitelist"`
+	ApprovalsWhitelistUsernames   []string `json:"approvals_whitelist_username"`
+	ApprovalsWhitelistTeams       []string `json:"approvals_whitelist_teams"`
+	BlockOnRejectedReviews        bool     `json:"block_on_rejected_reviews"`
+	BlockOnOfficialReviewRequests bool     `json:"block_on_official_review_requests"`
+	BlockOnOutdatedBranch         bool     `json:"block_on_outdated_branch"`
+	DismissStaleApprovals         bool     `json:"dismiss_stale_approvals"`
+	RequireSignedCommits          bool     `json:"require_signed_commits"`
+	ProtectedFilePatterns         string   `json:"protected_file_patterns"`
 	// swagger:strfmt date-time
 	Created time.Time `json:"created_at"`
 	// swagger:strfmt date-time
@@ -51,47 +52,49 @@ type BranchProtection struct {
 
 // CreateBranchProtectionOption options for creating a branch protection
 type CreateBranchProtectionOption struct {
-	BranchName                  string   `json:"branch_name"`
-	EnablePush                  bool     `json:"enable_push"`
-	EnablePushWhitelist         bool     `json:"enable_push_whitelist"`
-	PushWhitelistUsernames      []string `json:"push_whitelist_usernames"`
-	PushWhitelistTeams          []string `json:"push_whitelist_teams"`
-	PushWhitelistDeployKeys     bool     `json:"push_whitelist_deploy_keys"`
-	EnableMergeWhitelist        bool     `json:"enable_merge_whitelist"`
-	MergeWhitelistUsernames     []string `json:"merge_whitelist_usernames"`
-	MergeWhitelistTeams         []string `json:"merge_whitelist_teams"`
-	EnableStatusCheck           bool     `json:"enable_status_check"`
-	StatusCheckContexts         []string `json:"status_check_contexts"`
-	RequiredApprovals           int64    `json:"required_approvals"`
-	EnableApprovalsWhitelist    bool     `json:"enable_approvals_whitelist"`
-	ApprovalsWhitelistUsernames []string `json:"approvals_whitelist_username"`
-	ApprovalsWhitelistTeams     []string `json:"approvals_whitelist_teams"`
-	BlockOnRejectedReviews      bool     `json:"block_on_rejected_reviews"`
-	BlockOnOutdatedBranch       bool     `json:"block_on_outdated_branch"`
-	DismissStaleApprovals       bool     `json:"dismiss_stale_approvals"`
-	RequireSignedCommits        bool     `json:"require_signed_commits"`
-	ProtectedFilePatterns       string   `json:"protected_file_patterns"`
+	BranchName                    string   `json:"branch_name"`
+	EnablePush                    bool     `json:"enable_push"`
+	EnablePushWhitelist           bool     `json:"enable_push_whitelist"`
+	PushWhitelistUsernames        []string `json:"push_whitelist_usernames"`
+	PushWhitelistTeams            []string `json:"push_whitelist_teams"`
+	PushWhitelistDeployKeys       bool     `json:"push_whitelist_deploy_keys"`
+	EnableMergeWhitelist          bool     `json:"enable_merge_whitelist"`
+	MergeWhitelistUsernames       []string `json:"merge_whitelist_usernames"`
+	MergeWhitelistTeams           []string `json:"merge_whitelist_teams"`
+	EnableStatusCheck             bool     `json:"enable_status_check"`
+	StatusCheckContexts           []string `json:"status_check_contexts"`
+	RequiredApprovals             int64    `json:"required_approvals"`
+	EnableApprovalsWhitelist      bool     `json:"enable_approvals_whitelist"`
+	ApprovalsWhitelistUsernames   []string `json:"approvals_whitelist_username"`
+	ApprovalsWhitelistTeams       []string `json:"approvals_whitelist_teams"`
+	BlockOnRejectedReviews        bool     `json:"block_on_rejected_reviews"`
+	BlockOnOfficialReviewRequests bool     `json:"block_on_official_review_requests"`
+	BlockOnOutdatedBranch         bool     `json:"block_on_outdated_branch"`
+	DismissStaleApprovals         bool     `json:"dismiss_stale_approvals"`
+	RequireSignedCommits          bool     `json:"require_signed_commits"`
+	ProtectedFilePatterns         string   `json:"protected_file_patterns"`
 }
 
 // EditBranchProtectionOption options for editing a branch protection
 type EditBranchProtectionOption struct {
-	EnablePush                  *bool    `json:"enable_push"`
-	EnablePushWhitelist         *bool    `json:"enable_push_whitelist"`
-	PushWhitelistUsernames      []string `json:"push_whitelist_usernames"`
-	PushWhitelistTeams          []string `json:"push_whitelist_teams"`
-	PushWhitelistDeployKeys     *bool    `json:"push_whitelist_deploy_keys"`
-	EnableMergeWhitelist        *bool    `json:"enable_merge_whitelist"`
-	MergeWhitelistUsernames     []string `json:"merge_whitelist_usernames"`
-	MergeWhitelistTeams         []string `json:"merge_whitelist_teams"`
-	EnableStatusCheck           *bool    `json:"enable_status_check"`
-	StatusCheckContexts         []string `json:"status_check_contexts"`
-	RequiredApprovals           *int64   `json:"required_approvals"`
-	EnableApprovalsWhitelist    *bool    `json:"enable_approvals_whitelist"`
-	ApprovalsWhitelistUsernames []string `json:"approvals_whitelist_username"`
-	ApprovalsWhitelistTeams     []string `json:"approvals_whitelist_teams"`
-	BlockOnRejectedReviews      *bool    `json:"block_on_rejected_reviews"`
-	BlockOnOutdatedBranch       *bool    `json:"block_on_outdated_branch"`
-	DismissStaleApprovals       *bool    `json:"dismiss_stale_approvals"`
-	RequireSignedCommits        *bool    `json:"require_signed_commits"`
-	ProtectedFilePatterns       *string  `json:"protected_file_patterns"`
+	EnablePush                    *bool    `json:"enable_push"`
+	EnablePushWhitelist           *bool    `json:"enable_push_whitelist"`
+	PushWhitelistUsernames        []string `json:"push_whitelist_usernames"`
+	PushWhitelistTeams            []string `json:"push_whitelist_teams"`
+	PushWhitelistDeployKeys       *bool    `json:"push_whitelist_deploy_keys"`
+	EnableMergeWhitelist          *bool    `json:"enable_merge_whitelist"`
+	MergeWhitelistUsernames       []string `json:"merge_whitelist_usernames"`
+	MergeWhitelistTeams           []string `json:"merge_whitelist_teams"`
+	EnableStatusCheck             *bool    `json:"enable_status_check"`
+	StatusCheckContexts           []string `json:"status_check_contexts"`
+	RequiredApprovals             *int64   `json:"required_approvals"`
+	EnableApprovalsWhitelist      *bool    `json:"enable_approvals_whitelist"`
+	ApprovalsWhitelistUsernames   []string `json:"approvals_whitelist_username"`
+	ApprovalsWhitelistTeams       []string `json:"approvals_whitelist_teams"`
+	BlockOnRejectedReviews        *bool    `json:"block_on_rejected_reviews"`
+	BlockOnOfficialReviewRequests *bool    `json:"block_on_official_review_requests"`
+	BlockOnOutdatedBranch         *bool    `json:"block_on_outdated_branch"`
+	DismissStaleApprovals         *bool    `json:"dismiss_stale_approvals"`
+	RequireSignedCommits          *bool    `json:"require_signed_commits"`
+	ProtectedFilePatterns         *string  `json:"protected_file_patterns"`
 }
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 016211c7f8..1500bf73e9 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -1244,6 +1244,7 @@ pulls.required_status_check_missing = Some required checks are missing.
 pulls.required_status_check_administrator = As an administrator, you may still merge this pull request.
 pulls.blocked_by_approvals = "This Pull Request doesn't have enough approvals yet. %d of %d approvals granted."
 pulls.blocked_by_rejection = "This Pull Request has changes requested by an official reviewer."
+pulls.blocked_by_official_review_requests = "This Pull Request has official review requests."
 pulls.blocked_by_outdated_branch = "This Pull Request is blocked because it's outdated."
 pulls.blocked_by_changed_protected_files_1= "This Pull Request is blocked because it changes a protected file:"
 pulls.blocked_by_changed_protected_files_n= "This Pull Request is blocked because it changes protected files:"
@@ -1707,6 +1708,8 @@ settings.protected_branch_deletion = Disable Branch Protection
 settings.protected_branch_deletion_desc = Disabling branch protection allows users with write permission to push to the branch. Continue?
 settings.block_rejected_reviews = Block merge on rejected reviews
 settings.block_rejected_reviews_desc = Merging will not be possible when changes are requested by official reviewers, even if there are enough approvals.
+settings.block_on_official_review_requests = Block merge on official review requests
+settings.block_on_official_review_requests_desc = Merging will not be possible when it has official review requests, even if there are enough approvals.
 settings.block_outdated_branch = Block merge if pull request is outdated
 settings.block_outdated_branch_desc = Merging will not be possible when head branch is behind base branch.
 settings.default_branch_desc = Select a default repository branch for pull requests and code commits:
diff --git a/routers/api/v1/repo/branch.go b/routers/api/v1/repo/branch.go
index 2b20ab048d..9a0a552bad 100644
--- a/routers/api/v1/repo/branch.go
+++ b/routers/api/v1/repo/branch.go
@@ -509,21 +509,22 @@ func CreateBranchProtection(ctx *context.APIContext, form api.CreateBranchProtec
 	}
 
 	protectBranch = &models.ProtectedBranch{
-		RepoID:                   ctx.Repo.Repository.ID,
-		BranchName:               form.BranchName,
-		CanPush:                  form.EnablePush,
-		EnableWhitelist:          form.EnablePush && form.EnablePushWhitelist,
-		EnableMergeWhitelist:     form.EnableMergeWhitelist,
-		WhitelistDeployKeys:      form.EnablePush && form.EnablePushWhitelist && form.PushWhitelistDeployKeys,
-		EnableStatusCheck:        form.EnableStatusCheck,
-		StatusCheckContexts:      form.StatusCheckContexts,
-		EnableApprovalsWhitelist: form.EnableApprovalsWhitelist,
-		RequiredApprovals:        requiredApprovals,
-		BlockOnRejectedReviews:   form.BlockOnRejectedReviews,
-		DismissStaleApprovals:    form.DismissStaleApprovals,
-		RequireSignedCommits:     form.RequireSignedCommits,
-		ProtectedFilePatterns:    form.ProtectedFilePatterns,
-		BlockOnOutdatedBranch:    form.BlockOnOutdatedBranch,
+		RepoID:                        ctx.Repo.Repository.ID,
+		BranchName:                    form.BranchName,
+		CanPush:                       form.EnablePush,
+		EnableWhitelist:               form.EnablePush && form.EnablePushWhitelist,
+		EnableMergeWhitelist:          form.EnableMergeWhitelist,
+		WhitelistDeployKeys:           form.EnablePush && form.EnablePushWhitelist && form.PushWhitelistDeployKeys,
+		EnableStatusCheck:             form.EnableStatusCheck,
+		StatusCheckContexts:           form.StatusCheckContexts,
+		EnableApprovalsWhitelist:      form.EnableApprovalsWhitelist,
+		RequiredApprovals:             requiredApprovals,
+		BlockOnRejectedReviews:        form.BlockOnRejectedReviews,
+		BlockOnOfficialReviewRequests: form.BlockOnOfficialReviewRequests,
+		DismissStaleApprovals:         form.DismissStaleApprovals,
+		RequireSignedCommits:          form.RequireSignedCommits,
+		ProtectedFilePatterns:         form.ProtectedFilePatterns,
+		BlockOnOutdatedBranch:         form.BlockOnOutdatedBranch,
 	}
 
 	err = models.UpdateProtectBranch(ctx.Repo.Repository, protectBranch, models.WhitelistOptions{
@@ -652,6 +653,10 @@ func EditBranchProtection(ctx *context.APIContext, form api.EditBranchProtection
 		protectBranch.BlockOnRejectedReviews = *form.BlockOnRejectedReviews
 	}
 
+	if form.BlockOnOfficialReviewRequests != nil {
+		protectBranch.BlockOnOfficialReviewRequests = *form.BlockOnOfficialReviewRequests
+	}
+
 	if form.DismissStaleApprovals != nil {
 		protectBranch.DismissStaleApprovals = *form.DismissStaleApprovals
 	}
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index ded9b3c208..6ebc5d6ecb 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -1455,6 +1455,7 @@ func ViewIssue(ctx *context.Context) {
 			cnt := pull.ProtectedBranch.GetGrantedApprovalsCount(pull)
 			ctx.Data["IsBlockedByApprovals"] = !pull.ProtectedBranch.HasEnoughApprovals(pull)
 			ctx.Data["IsBlockedByRejection"] = pull.ProtectedBranch.MergeBlockedByRejectedReview(pull)
+			ctx.Data["IsBlockedByOfficialReviewRequests"] = pull.ProtectedBranch.MergeBlockedByOfficialReviewRequests(pull)
 			ctx.Data["IsBlockedByOutdatedBranch"] = pull.ProtectedBranch.MergeBlockedByOutdatedBranch(pull)
 			ctx.Data["GrantedApprovals"] = cnt
 			ctx.Data["RequireSigned"] = pull.ProtectedBranch.RequireSignedCommits
diff --git a/routers/repo/setting_protected_branch.go b/routers/repo/setting_protected_branch.go
index f864e8a75c..c2e7bc8fac 100644
--- a/routers/repo/setting_protected_branch.go
+++ b/routers/repo/setting_protected_branch.go
@@ -246,6 +246,7 @@ func SettingsProtectedBranchPost(ctx *context.Context, f auth.ProtectBranchForm)
 			}
 		}
 		protectBranch.BlockOnRejectedReviews = f.BlockOnRejectedReviews
+		protectBranch.BlockOnOfficialReviewRequests = f.BlockOnOfficialReviewRequests
 		protectBranch.DismissStaleApprovals = f.DismissStaleApprovals
 		protectBranch.RequireSignedCommits = f.RequireSignedCommits
 		protectBranch.ProtectedFilePatterns = f.ProtectedFilePatterns
diff --git a/services/pull/merge.go b/services/pull/merge.go
index 8e51583e91..3d856724cd 100644
--- a/services/pull/merge.go
+++ b/services/pull/merge.go
@@ -591,6 +591,11 @@ func CheckPRReadyToMerge(pr *models.PullRequest, skipProtectedFilesCheck bool) (
 			Reason: "There are requested changes",
 		}
 	}
+	if pr.ProtectedBranch.MergeBlockedByOfficialReviewRequests(pr) {
+		return models.ErrNotAllowedToMerge{
+			Reason: "There are official review requests",
+		}
+	}
 
 	if pr.ProtectedBranch.MergeBlockedByOutdatedBranch(pr) {
 		return models.ErrNotAllowedToMerge{
diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl
index dbecf644d9..9d8ea7ba8a 100644
--- a/templates/repo/issue/view_content/pull.tmpl
+++ b/templates/repo/issue/view_content/pull.tmpl
@@ -84,6 +84,7 @@
 	{{- else if .IsPullRequestBroken}}red
 	{{- else if .IsBlockedByApprovals}}red
 	{{- else if .IsBlockedByRejection}}red
+	{{- else if .IsBlockedByOfficialReviewRequests}}red
 	{{- else if .IsBlockedByOutdatedBranch}}red
 	{{- else if .IsBlockedByChangedProtectedFiles}}red
 	{{- else if and .EnableStatusCheck (or .RequiredStatusCheckState.IsFailure .RequiredStatusCheckState.IsError)}}red
@@ -159,6 +160,11 @@
 						<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
 					{{$.i18n.Tr "repo.pulls.blocked_by_rejection"}}
 					</div>
+				{{else if .IsBlockedByOfficialReviewRequests}}
+					<div class="item">
+						<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
+					{{$.i18n.Tr "repo.pulls.blocked_by_official_review_requests"}}
+					</div>
 				{{else if .IsBlockedByOutdatedBranch}}
 					<div class="item">
 						<i class="icon icon-octicon">{{svg "octicon-x"}}</i>
@@ -194,7 +200,7 @@
 						{{$.i18n.Tr (printf "repo.signing.wont_sign.%s" .WontSignReason) }}
 					</div>
 				{{end}}
-				{{$notAllOverridableChecksOk := or .IsBlockedByApprovals .IsBlockedByRejection .IsBlockedByOutdatedBranch .IsBlockedByChangedProtectedFiles (and .EnableStatusCheck (not .RequiredStatusCheckState.IsSuccess))}}
+				{{$notAllOverridableChecksOk := or .IsBlockedByApprovals .IsBlockedByRejection .IsBlockedByOfficialReviewRequests .IsBlockedByOutdatedBranch .IsBlockedByChangedProtectedFiles (and .EnableStatusCheck (not .RequiredStatusCheckState.IsSuccess))}}
 				{{if and (or $.IsRepoAdmin (not $notAllOverridableChecksOk)) (or (not .AllowMerge) (not .RequireSigned) .WillSign)}}
 					{{if $notAllOverridableChecksOk}}
 						<div class="item">
@@ -384,7 +390,12 @@
 				{{else if .IsBlockedByRejection}}
 					<div class="item text red">
 						{{svg "octicon-x"}}
-					{{$.i18n.Tr "repo.pulls.blocked_by_rejection"}}
+						{{$.i18n.Tr "repo.pulls.blocked_by_rejection"}}
+					</div>
+				{{else if .IsBlockedByOfficialReviewRequests}}
+					<div class="item text red">
+						{{svg "octicon-x"}}
+						{{$.i18n.Tr "repo.pulls.blocked_by_official_review_requests"}}
 					</div>
 				{{else if .IsBlockedByOutdatedBranch}}
 					<div class="item text red">
diff --git a/templates/repo/settings/protected_branch.tmpl b/templates/repo/settings/protected_branch.tmpl
index 53a978e068..1fbd28d8bd 100644
--- a/templates/repo/settings/protected_branch.tmpl
+++ b/templates/repo/settings/protected_branch.tmpl
@@ -213,6 +213,13 @@
 					</div>
 					<div class="field">
 						<div class="ui checkbox">
+							<input name="block_on_official_review_requests" type="checkbox" {{if .Branch.BlockOnOfficialReviewRequests}}checked{{end}}>
+							<label for="block_on_official_review_requests">{{.i18n.Tr "repo.settings.block_on_official_review_requests"}}</label>
+							<p class="help">{{.i18n.Tr "repo.settings.block_on_official_review_requests_desc"}}</p>
+						</div>
+					</div>
+					<div class="field">
+						<div class="ui checkbox">
 							<input name="dismiss_stale_approvals" type="checkbox" {{if .Branch.DismissStaleApprovals}}checked{{end}}>
 							<label for="dismiss_stale_approvals">{{.i18n.Tr "repo.settings.dismiss_stale_approvals"}}</label>
 							<p class="help">{{.i18n.Tr "repo.settings.dismiss_stale_approvals_desc"}}</p>
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 8bcfc43d73..b121451ba6 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -11326,6 +11326,10 @@
           },
           "x-go-name": "ApprovalsWhitelistUsernames"
         },
+        "block_on_official_review_requests": {
+          "type": "boolean",
+          "x-go-name": "BlockOnOfficialReviewRequests"
+        },
         "block_on_outdated_branch": {
           "type": "boolean",
           "x-go-name": "BlockOnOutdatedBranch"
@@ -11660,6 +11664,10 @@
           },
           "x-go-name": "ApprovalsWhitelistUsernames"
         },
+        "block_on_official_review_requests": {
+          "type": "boolean",
+          "x-go-name": "BlockOnOfficialReviewRequests"
+        },
         "block_on_outdated_branch": {
           "type": "boolean",
           "x-go-name": "BlockOnOutdatedBranch"
@@ -12605,6 +12613,10 @@
           },
           "x-go-name": "ApprovalsWhitelistUsernames"
         },
+        "block_on_official_review_requests": {
+          "type": "boolean",
+          "x-go-name": "BlockOnOfficialReviewRequests"
+        },
         "block_on_outdated_branch": {
           "type": "boolean",
           "x-go-name": "BlockOnOutdatedBranch"