Disallow merge when required checked are missing (#29143) (#29268)

backport #29143

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/web/repo/pull.go

@@ -635,6 +635,24 @@ func PrepareViewPullInfo(ctx *context.Context, issue *issues_model.Issue) *git.C
 	}
 
 	if pb != nil && pb.EnableStatusCheck {
+
+		var missingRequiredChecks []string
+		for _, requiredContext := range pb.StatusCheckContexts {
+			contextFound := false
+			matchesRequiredContext := createRequiredContextMatcher(requiredContext)
+			for _, presentStatus := range commitStatuses {
+				if matchesRequiredContext(presentStatus.Context) {
+					contextFound = true
+					break
+				}
+			}
+
+			if !contextFound {
+				missingRequiredChecks = append(missingRequiredChecks, requiredContext)
+			}
+		}
+		ctx.Data["MissingRequiredChecks"] = missingRequiredChecks
+
 		ctx.Data["is_context_required"] = func(context string) bool {
 			for _, c := range pb.StatusCheckContexts {
 				if c == context {
@@ -703,6 +721,18 @@ func PrepareViewPullInfo(ctx *context.Context, issue *issues_model.Issue) *git.C
 	return compareInfo
 }
 
+func createRequiredContextMatcher(requiredContext string) func(string) bool {
+	if gp, err := glob.Compile(requiredContext); err == nil {
+		return func(contextToCheck string) bool {
+			return gp.Match(contextToCheck)
+		}
+	}
+
+	return func(contextToCheck string) bool {
+		return requiredContext == contextToCheck
+	}
+}
+
 type pullCommitList struct {
 	Commits             []pull_service.CommitInfo `json:"commits"`
 	LastReviewCommitSha string                    `json:"last_review_commit_sha"`

services/pull/commit_status.go

@@ -50,6 +50,10 @@ func MergeRequiredContextsCommitStatus(commitStatuses []*git_model.CommitStatus,
 		}
 	}
 
+	if matchedCount != len(requiredContexts) {
+		return structs.CommitStatusPending
+	}
+
 	if matchedCount == 0 {
 		status := git_model.CalcCommitStatus(commitStatuses)
 		if status != nil {

templates/repo/pulls/status.tmpl

@@ -1,7 +1,7 @@
 {{if $.LatestCommitStatus}}
 	{{if not $.Issue.PullRequest.HasMerged}}
 		<div class="ui top attached header">
-			{{if eq .LatestCommitStatus.State "pending"}}
+			{{if or (eq .LatestCommitStatus.State "pending") (.MissingRequiredChecks)}}
 				{{ctx.Locale.Tr "repo.pulls.status_checking"}}
 			{{else if eq .LatestCommitStatus.State "success"}}
 				{{ctx.Locale.Tr "repo.pulls.status_checks_success"}}
@@ -14,7 +14,7 @@
 			{{else}}
 				{{ctx.Locale.Tr "repo.pulls.status_checking"}}
 			{{end}}
-			</div>
+		</div>
 	{{end}}
 
 	{{range $.LatestCommitStatuses}}
@@ -31,4 +31,15 @@
 			</div>
 		</div>
 	{{end}}
+	{{range .MissingRequiredChecks}}
+		<div class="ui attached segment pr-status">
+			{{svg "octicon-dot-fill" 18 "commit-status icon text yellow"}}
+			<div class="status-context">
+				<span>{{.}}</span>
+				<div class="ui status-details">
+					<div class="ui label">{{ctx.Locale.Tr "repo.pulls.status_checks_requested"}}</div>
+				</div>
+			</div>
+		</div>
+	{{end}}
 {{end}}