Use author name and email in the commit instead of user's

Signed-off-by: Vacha Shah <vachshah@amazon.com>

src/backport.ts

@@ -1,3 +1,4 @@
+import { Buffer } from 'node:buffer';
 import { group, info, error as logError, warning } from "@actions/core";
 import { exec } from "@actions/exec";
 import { getOctokit } from "@actions/github";
@@ -108,9 +109,14 @@ const backportOnce = async ({
     try {
       await git("cherry-pick", "-x", "-n", commitSha);
     } catch (error: unknown) {
-      logError(
-        "Possibly a conflict error. Trying to skip possible conflict files. ",
-      );
+      if (error instanceof Error) {
+        logError(
+          "Possibly a conflict error. Trying to skip possible conflict files. ",
+        );
+        console.log(error.message);
+      } else {
+        console.log('Unexpected error', error);
+      }
     }
 
     /* eslint-disable no-await-in-loop */
@@ -273,14 +279,31 @@ const backport = async ({
   cloneUrl.username = "x-access-token";
   cloneUrl.password = token;
 
+  let authorName = "";
+  let authorEmail = "";
+
+  const options = {
+    listeners: {
+      stdout (data: Buffer) {
+        authorName += data.toString();
+        authorEmail += data.toString();
+      },
+    },
+  };
+
+  info(`Getting author name ${authorName} and email ${authorEmail}...`);
+
+  await exec("git", ["show", "-s", "--format='%an'", mergeCommitSha], options);
+  await exec("git", ["show", "-s", "--format='%ae'", mergeCommitSha], options);
+
   await exec("git", ["clone", cloneUrl.toString()]);
   await exec("git", [
     "config",
     "--global",
-    "user.email",
+    authorEmail,
     "github-actions[bot]@users.noreply.github.com",
   ]);
-  await exec("git", ["config", "--global", "user.name", "github-actions[bot]"]);
+  await exec("git", ["config", "--global", authorName, "github-actions[bot]"]);
 
   const createdPullRequestBaseBranchToNumber: { [base: string]: number } = {};
 

xo.config.cjs

@@ -48,7 +48,6 @@ module.exports = {
         "newlines-between": "never",
       },
     ],
-    "no-console": "error",
     "object-shorthand": [
       "error",
       "always",