From d806ad5a190ac5fe818e0ee33ea142ac3c060245 Mon Sep 17 00:00:00 2001
From: Yevhenii Babichenko <eugene.babichenko@protonmail.com>
Date: Thu, 6 May 2021 14:36:14 +0300
Subject: [PATCH] do not override existing Cargo.lock

---
 src/main.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main.ts b/src/main.ts
index 220486e..72fbb6e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,6 @@
 import * as process from 'process';
 import * as os from 'os';
+import * as fs from 'fs';
 
 import * as core from '@actions/core';
 import * as github from '@actions/github';
@@ -18,7 +19,9 @@ async function getData(): Promise<interfaces.Report> {
     const cargo = await Cargo.get();
     await cargo.findOrInstall('cargo-audit');
 
-    await cargo.call(['generate-lockfile']);
+    if (!(await fs.exists('Cargo.lock'))) {
+        await cargo.call(['generate-lockfile']);
+    }
 
     let stdout = '';
     try {