From 499910c3f7bf65dc470ed10523f6c88b82198044 Mon Sep 17 00:00:00 2001
From: Daniel Walsh <walshydev@gmail.com>
Date: Mon, 25 Jan 2021 16:17:16 +0000
Subject: [PATCH] Add a new output `applied` which shows the label added (#1)

---
 action.yml | 3 +++
 index.js   | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/action.yml b/action.yml
index bc4a428..e4ed45f 100644
--- a/action.yml
+++ b/action.yml
@@ -4,6 +4,9 @@ inputs:
   token:
     description: 'GitHub Token for the user to perform label additions. Use `secrets.GITHUB_TOKEN` for the actions bot'
     required: true
+outputs:
+  applied:
+    description: The label applied to the Pull Request. If no label was applied this will be null.
 runs:
   using: 'node12'
   main: 'index.js'
diff --git a/index.js b/index.js
index d4cc72f..5a04e04 100644
--- a/index.js
+++ b/index.js
@@ -25,6 +25,7 @@ async function run() {
 
     const branch = data.data.head.ref;
 
+    let labelApplied = null;
     for (let prefix of labels) {
       let tmp = prefix;
       if (!prefix.endsWith('/'))
@@ -35,8 +36,12 @@ async function run() {
         const label = process.env['INPUT_' + tmp.toUpperCase()];
         console.log(`Adding ${label} to #${prNumber}`);
         await addLabels(client, prNumber, [label]);
+        labelApplied = label;
+        break;
       }
     }
+
+    core.setOutput('applied', labelApplied);
   } catch (error) {
     console.error(error);
     core.setFailed(error.message);