Split guarded branches handling.

src/main/java/io/quarkus/bot/PullRequestGuardedBranches.java

@@ -0,0 +1,64 @@
+package io.quarkus.bot;
+
+import java.io.IOException;
+
+import jakarta.inject.Inject;
+
+import org.jboss.logging.Logger;
+import org.kohsuke.github.GHEventPayload;
+import org.kohsuke.github.GHPullRequest;
+
+import io.quarkiverse.githubapp.ConfigFile;
+import io.quarkiverse.githubapp.event.PullRequest;
+import io.quarkus.bot.config.Feature;
+import io.quarkus.bot.config.QuarkusGitHubBotConfig;
+import io.quarkus.bot.config.QuarkusGitHubBotConfigFile;
+import io.quarkus.bot.config.QuarkusGitHubBotConfigFile.GuardedBranch;
+import io.quarkus.bot.util.GHIssues;
+import io.quarkus.bot.util.Mentions;
+import io.smallrye.graphql.client.dynamic.api.DynamicGraphQLClient;
+
+class PullRequestGuardedBranches {
+
+    private static final Logger LOG = Logger.getLogger(PullRequestGuardedBranches.class);
+
+    @Inject
+    QuarkusGitHubBotConfig quarkusBotConfig;
+
+    void triagePullRequest(
+            @PullRequest.Opened GHEventPayload.PullRequest pullRequestPayload,
+            @ConfigFile("quarkus-github-bot.yml") QuarkusGitHubBotConfigFile quarkusBotConfigFile,
+            DynamicGraphQLClient gitHubGraphQLClient) throws IOException {
+        if (!Feature.TRIAGE_ISSUES_AND_PULL_REQUESTS.isEnabled(quarkusBotConfigFile)) {
+            return;
+        }
+
+        GHPullRequest pullRequest = pullRequestPayload.getPullRequest();
+        Mentions mentions = new Mentions();
+
+        for (GuardedBranch guardedBranch : quarkusBotConfigFile.triage.guardedBranches) {
+            if (guardedBranch.ref.equals(pullRequest.getBase().getRef())) {
+                for (String mention : guardedBranch.notify) {
+                    mentions.add(mention, guardedBranch.ref);
+                }
+            }
+        }
+
+        if (mentions.isEmpty()) {
+            return;
+        }
+
+        mentions.removeAlreadyParticipating(GHIssues.getParticipatingUsers(pullRequest, gitHubGraphQLClient));
+
+        if (mentions.isEmpty()) {
+            return;
+        }
+
+        String comment = "/cc " + mentions.getMentionsString();
+        if (!quarkusBotConfig.isDryRun()) {
+            pullRequest.comment(comment);
+        } else {
+            LOG.info("Pull Request #" + pullRequest.getNumber() + " - Add comment: " + comment);
+        }
+    }
+}

src/main/java/io/quarkus/bot/TriagePullRequest.java

@@ -19,7 +19,6 @@
 import io.quarkus.bot.config.Feature;
 import io.quarkus.bot.config.QuarkusGitHubBotConfig;
 import io.quarkus.bot.config.QuarkusGitHubBotConfigFile;
-import io.quarkus.bot.config.QuarkusGitHubBotConfigFile.GuardedBranch;
 import io.quarkus.bot.config.QuarkusGitHubBotConfigFile.TriageRule;
 import io.quarkus.bot.util.GHIssues;
 import io.quarkus.bot.util.Mentions;
@@ -49,6 +48,10 @@ void triagePullRequest(
             return;
         }
 
+        if (quarkusBotConfigFile.triage.rules.isEmpty()) {
+            return;
+        }
+
         GHPullRequest pullRequest = pullRequestPayload.getPullRequest();
         Set<String> labels = new TreeSet<>();
         Mentions mentions = new Mentions();
@@ -75,32 +78,20 @@ void triagePullRequest(
             }
         }
 
-        for (GuardedBranch guardedBranch : quarkusBotConfigFile.triage.guardedBranches) {
-            if (guardedBranch.ref.equals(pullRequest.getBase().getRef())) {
-                for (String mention : guardedBranch.notify) {
-                    mentions.add(mention, guardedBranch.ref);
-                }
-            }
-        }
-
         // remove from the set the labels already present on the pull request
-        if (!labels.isEmpty()) {
-            pullRequest.getLabels().stream().map(GHLabel::getName).forEach(labels::remove);
+        pullRequest.getLabels().stream().map(GHLabel::getName).forEach(labels::remove);
 
-            if (!labels.isEmpty()) {
-                if (!quarkusBotConfig.isDryRun()) {
-                    pullRequest.addLabels(limit(labels).toArray(new String[0]));
-                } else {
-                    LOG.info("Pull Request #" + pullRequest.getNumber() + " - Add labels: " + String.join(", ", limit(labels)));
-                }
+        if (!labels.isEmpty()) {
+            if (!quarkusBotConfig.isDryRun()) {
+                pullRequest.addLabels(limit(labels).toArray(new String[0]));
+            } else {
+                LOG.info("Pull Request #" + pullRequest.getNumber() + " - Add labels: " + String.join(", ", limit(labels)));
             }
         }
 
+        mentions.removeAlreadyParticipating(GHIssues.getParticipatingUsers(pullRequest, gitHubGraphQLClient));
         if (!mentions.isEmpty()) {
-            mentions.removeAlreadyParticipating(GHIssues.getParticipatingUsers(pullRequest, gitHubGraphQLClient));
-            if (!mentions.isEmpty()) {
-                comments.add("/cc " + mentions.getMentionsString());
-            }
+            comments.add("/cc " + mentions.getMentionsString());
         }
 
         for (String comment : comments) {