Always append link to the bot's repo in format check processor

src/main/java/io/xstefank/wildfly/bot/PullRequestFormatProcessor.java

@@ -32,6 +32,7 @@
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
+import static io.xstefank.wildfly.bot.model.RuntimeConstants.BOT_REPO_REF_FOOTER;
 import static io.xstefank.wildfly.bot.model.RuntimeConstants.DEPENDABOT;
 import static io.xstefank.wildfly.bot.model.RuntimeConstants.FAILED_FORMAT_COMMENT;
 import static io.xstefank.wildfly.bot.util.Strings.blockQuoted;
@@ -93,6 +94,9 @@ void pullRequestFormatCheck(
             githubProcessor.commitStatusError(pullRequest, CHECK_NAME, "Failed checks: " + String.join(", ", errors.keySet()));
         }
         githubProcessor.formatComment(pullRequest, FAILED_FORMAT_COMMENT, errors.values());
+
+        String updatedBody = pullRequest.getBody() + BOT_REPO_REF_FOOTER.formatted(wildFlyBotConfig.githubName());
+        pullRequest.setBody(updatedBody);
     }
 
     void postDependabotInfo(@PullRequest.Opened GHEventPayload.PullRequest pullRequestPayload,

src/main/java/io/xstefank/wildfly/bot/model/RuntimeConstants.java

@@ -21,6 +21,9 @@ public class RuntimeConstants {
     public static final String BOT_MESSAGE_FOOTER = """
             \n<--- END OF WILDFLY GITHUB BOT REPORT --->""";
 
+    public static final String BOT_REPO_REF_FOOTER = """
+            \n\nMore information about the [%s](https://github.com/wildfly/wildfly-github-bot)""";
+
     public static final String BOT_JIRA_LINKS_HEADER = "Wildfly issue links:\n";
 
     public static final String BOT_JIRA_LINK_TEMPLATE = "https://issues.redhat.com/browse/%1$s";

src/test/java/io/xstefank/wildfly/bot/PRAppendingMessageTest.java

@@ -2,20 +2,23 @@
 
 import io.quarkiverse.githubapp.testing.GitHubAppTest;
 import io.quarkus.test.junit.QuarkusTest;
+import io.xstefank.wildfly.bot.config.WildFlyBotConfig;
 import io.xstefank.wildfly.bot.model.RuntimeConstants;
 import io.xstefank.wildfly.bot.utils.Action;
 import io.xstefank.wildfly.bot.utils.MockedGHPullRequest;
 import io.xstefank.wildfly.bot.utils.PullRequestJson;
 import io.xstefank.wildfly.bot.utils.TestConstants;
 import io.xstefank.wildfly.bot.utils.Util;
+import jakarta.inject.Inject;
 import org.junit.jupiter.api.Test;
 import org.kohsuke.github.GHEvent;
-import org.mockito.ArgumentMatchers;
 import org.mockito.Mockito;
 
 import java.io.IOException;
 
 import static io.quarkiverse.githubapp.testing.GitHubAppTesting.given;
+import static io.xstefank.wildfly.bot.model.RuntimeConstants.BOT_JIRA_LINK_COMMENT_TEMPLATE;
+import static io.xstefank.wildfly.bot.model.RuntimeConstants.BOT_REPO_REF_FOOTER;
 import static io.xstefank.wildfly.bot.util.Strings.blockQuoted;
 
 @QuarkusTest
@@ -35,6 +38,9 @@ public class PRAppendingMessageTest {
             %s%%s%s""", RuntimeConstants.BOT_MESSAGE_HEADER, blockQuoted(RuntimeConstants.BOT_JIRA_LINKS_HEADER),
             RuntimeConstants.BOT_MESSAGE_FOOTER);
 
+    @Inject
+    WildFlyBotConfig wildFlyBotConfig;
+
     PullRequestJson pullRequestJson;
 
     MockedGHPullRequest mockedContext;
@@ -56,7 +62,6 @@ public void testEmptyBodyAppendMessage() throws IOException {
                             sb.append(blockQuoted(
                                     String.format(RuntimeConstants.BOT_JIRA_LINK_COMMENT_TEMPLATE, "WFLY-00000")))));
                 });
-
     }
 
     @Test
@@ -244,8 +249,31 @@ public void testBodyContainingAllJirasAppendMessageMultipleDifferentLinks() thro
                 .commit("WFLY-00003 commit");
         given().github(mocks -> Util.mockRepo(mocks, wildflyConfigFile, pullRequestJson, mockedContext))
                 .when().payloadFromString(pullRequestJson.jsonString()).event(GHEvent.PULL_REQUEST).then().github(mocks -> {
-                    Mockito.verify(mocks.pullRequest(pullRequestJson.id()), Mockito.times(0))
-                            .setBody(ArgumentMatchers.anyString());
+                    Mockito.verify(mocks.pullRequest(pullRequestJson.id()))
+                            .setBody(body + BOT_REPO_REF_FOOTER.formatted(wildFlyBotConfig.githubName()));
+                });
+    }
+
+    @Test
+    public void testRepoRefFooterAppendedMessage() throws IOException {
+        pullRequestJson = PullRequestJson.builder(TestConstants.VALID_PR_TEMPLATE_JSON)
+                .action(Action.EDITED)
+                .title("WFLY-00000 title")
+                .description(null)
+                .build();
+
+        String jiraLinkDescription = String.format(appendedMessage,
+                blockQuoted(BOT_JIRA_LINK_COMMENT_TEMPLATE.formatted("WFLY-00000")));
+        // even as the description is set, it's after the start, thus we need to mock it's content to match
+        mockedContext = MockedGHPullRequest.builder(pullRequestJson.id())
+                .describtion(jiraLinkDescription)
+                .commit("WFLY-00000 commit");
+        given().github(mocks -> Util.mockRepo(mocks, wildflyConfigFile, pullRequestJson, mockedContext))
+                .when()
+                .payloadFromString(pullRequestJson.jsonString()).event(GHEvent.PULL_REQUEST)
+                .then().github(mocks -> {
+                    String repoRef = jiraLinkDescription + BOT_REPO_REF_FOOTER.formatted(wildFlyBotConfig.githubName());
+                    Mockito.verify(mocks.pullRequest(pullRequestJson.id())).setBody(repoRef);
                 });
     }
 }

src/test/java/io/xstefank/wildfly/bot/utils/MockedGHPullRequest.java

@@ -26,6 +26,7 @@ public class MockedGHPullRequest extends Mockable {
 
     private final long pullRequest;
     private Set<String> prFiles = new LinkedHashSet<>();
+    private String description;
     private final List<Tuple2<String, String>> comments = new ArrayList<>();
     private Set<String> reviewers = new LinkedHashSet<>();
     private Set<String> prLabels = new LinkedHashSet<>();
@@ -52,6 +53,11 @@ public MockedGHPullRequest comment(String comment, String author) {
         return this;
     }
 
+    public MockedGHPullRequest describtion(String description) {
+        this.description = description;
+        return this;
+    }
+
     public MockedGHPullRequest commit(MockedCommit commit) {
         this.commits.add(commit);
         return this;
@@ -148,6 +154,10 @@ public AtomicLong mock(GitHubMockContext mocks, AtomicLong idGenerator) throws I
 
         Mockito.when(pullRequest.isDraft()).thenReturn(isDraft);
 
+        if (description != null) {
+            Mockito.when(pullRequest.getBody()).thenReturn(description);
+        }
+
         return idGenerator;
     }
 }