From 5e914681df9dc83aa4e4905692ca88beb2f9e91f Mon Sep 17 00:00:00 2001
From: Peter Evans <18365890+peter-evans@users.noreply.github.com>
Date: Wed, 18 Sep 2024 18:40:10 +0100
Subject: [PATCH] fix: support symlinks when commit signing (#3359)

---
 dist/index.js | 8 +++++++-
 src/utils.ts  | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index 5905299db1..5f84df99d9 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1781,7 +1781,13 @@ function readFile(path) {
     return fs.readFileSync(path, 'utf-8');
 }
 function readFileBase64(pathParts) {
-    return fs.readFileSync(path.resolve(...pathParts)).toString('base64');
+    const resolvedPath = path.resolve(...pathParts);
+    if (fs.lstatSync(resolvedPath).isSymbolicLink()) {
+        return fs
+            .readlinkSync(resolvedPath, { encoding: 'buffer' })
+            .toString('base64');
+    }
+    return fs.readFileSync(resolvedPath).toString('base64');
 }
 /* eslint-disable  @typescript-eslint/no-explicit-any */
 function hasErrorCode(error) {
diff --git a/src/utils.ts b/src/utils.ts
index ebde59ed88..ced3cbdfb6 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -127,7 +127,13 @@ export function readFile(path: string): string {
 }
 
 export function readFileBase64(pathParts: string[]): string {
-  return fs.readFileSync(path.resolve(...pathParts)).toString('base64')
+  const resolvedPath = path.resolve(...pathParts)
+  if (fs.lstatSync(resolvedPath).isSymbolicLink()) {
+    return fs
+      .readlinkSync(resolvedPath, {encoding: 'buffer'})
+      .toString('base64')
+  }
+  return fs.readFileSync(resolvedPath).toString('base64')
 }
 
 /* eslint-disable  @typescript-eslint/no-explicit-any */