add append

index.js

@@ -1,31 +1,53 @@
 const core = require("@actions/core");
 const github = require("@actions/github");
 
-try {
-  const { context } = github;
-  const githubToken = core.getInput("GITHUB_TOKEN");
-  const body = core.getInput("body");
-
-  if (context.payload.pull_request == null) {
-    core.setFailed("No pull request found");
-    return;
-  }
-  if (!githubToken) {
-    core.setFailed("GITHUB_TOKEN input is required");
-    return;
-  }
-  if (!body) {
-    core.setFailed("body input is required");
-    return;
+async function run() {
+  try {
+    const { context } = github;
+    const githubToken = core.getInput("GITHUB_TOKEN");
+    const newBody = core.getInput("body");
+
+    if (context.payload.pull_request == null) {
+      core.setFailed("No pull request found");
+      return;
+    }
+    if (!githubToken) {
+      core.setFailed("GITHUB_TOKEN input is required");
+      return;
+    }
+    if (!newBody) {
+      core.setFailed("body input is required");
+      return;
+    }
+
+    const { number: prNumber } = context.payload.pull_request;
+    const octokit = new github.GitHub(githubToken);
+
+    // Fetch the current pull request details
+    const { data: currentPR } = await octokit.pulls.get({
+      ...context.repo,
+      pull_number: prNumber,
+    });
+
+    // Check if newBody already exists in the current description
+    if (currentPR.body.includes(newBody)) {
+      console.log("New body already exists in the current description. No update needed.");
+      return;
+    }
+
+    // Concatenate the new text to the existing description
+    const combinedBody = `${currentPR.body}\n\n${newBody}`;
+
+    // Update the pull request with the combined text
+    await octokit.pulls.update({
+      ...context.repo,
+      pull_number: prNumber,
+      body: combinedBody,
+    });
+  } catch (error) {
+    core.setFailed(error.message);
   }
+}
 
-  const { number: prNumber } = context.payload.pull_request;
-  const octokit = new github.GitHub(githubToken);
-  octokit.pulls.update({
-    ...context.repo,
-    pull_number: prNumber,
-    body
-  });
-} catch (error) {
-  core.setFailed(error.message);
-}
+// Call the asynchronous function
+run();