fix: read correct payload property for pull_request_target events

Author: JamesHenry

dist/nx-set-shas.js

@@ -22731,9 +22731,10 @@ var BASE_SHA;
   });
   let HEAD_SHA = headResult.stdout;
   if (["pull_request", "pull_request_target"].includes(eventName) && !github.context.payload.pull_request.merged) {
+    const pullRequestEventName = "pull_request";
     const baseResult = spawnSync("git", [
       "merge-base",
-      `${remote}/${github.context.payload[eventName].base.ref}`,
+      `${remote}/${github.context.payload[pullRequestEventName].base.ref}`,
       "HEAD"
     ], { encoding: "utf-8" });
     BASE_SHA = baseResult.stdout;

nx-set-shas.ts

@@ -43,11 +43,14 @@ let BASE_SHA: string;
     ['pull_request', 'pull_request_target'].includes(eventName) &&
     !github.context.payload.pull_request.merged
   ) {
+    // Both pull_request and pull_request_target events have the same payload structure
+    // https://github.com/nrwl/nx-set-shas/issues/186
+    const pullRequestEventName = 'pull_request';
     const baseResult = spawnSync(
       'git',
       [
         'merge-base',
-        `${remote}/${github.context.payload[eventName].base.ref}`,
+        `${remote}/${github.context.payload[pullRequestEventName].base.ref}`,
         'HEAD',
       ],
       { encoding: 'utf-8' },

package.json

@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "4.3.1",
+  "version": "4.3.2",
   "license": "MIT",
   "description": "This package.json is here purely to control the version of the Action, in combination with https://github.com/JamesHenry/publish-shell-action",
   "scripts": {