From 3b387e92db14336dc64c733862a754d1406f089e Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Fri, 5 Oct 2018 09:35:40 +0200
Subject: [PATCH] fix: skip gitFs if unrenovated fork

---
 lib/platform/github/index.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/lib/platform/github/index.js b/lib/platform/github/index.js
index 8264c019d0..749ab19d1e 100644
--- a/lib/platform/github/index.js
+++ b/lib/platform/github/index.js
@@ -132,6 +132,23 @@ async function initRepo({
     res = await get(`repos/${repository}`);
     logger.trace({ repositoryDetails: res.body }, 'Repository details');
     // istanbul ignore if
+    if (res.body.fork && gitFs) {
+      try {
+        const { renovateFork } = JSON.parse(
+          Buffer.from(
+            (await get(`repos/${config.repository}/contents/renovate.json`))
+              .body.content,
+            'base64'
+          ).toString()
+        );
+        if (!renovateFork) {
+          throw new Error();
+        }
+      } catch (err) {
+        throw new Error('fork');
+      }
+    }
+    // istanbul ignore if
     if (res.body.full_name && res.body.full_name !== repository) {
       logger.info(
         { repository, this_repository: res.body.full_name },
@@ -179,6 +196,9 @@ async function initRepo({
     if (err.message.startsWith('Repository access blocked')) {
       throw new Error('blocked');
     }
+    if (err.message === 'fork') {
+      throw err;
+    }
     logger.info({ err }, 'Unknown GitHub initRepo error');
     throw err;
   }