From db717ee5165ceac58ff5f624e41de0ac265b97ef Mon Sep 17 00:00:00 2001
From: Jason Wray <jason@mapbox.com>
Date: Mon, 12 Aug 2019 09:45:49 -0700
Subject: [build] Look further back for branch merge base

---
 scripts/environment.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/environment.js b/scripts/environment.js
index 0468be3720..759a7f2a42 100755
--- a/scripts/environment.js
+++ b/scripts/environment.js
@@ -23,7 +23,7 @@ if (pr) {
     });
 } else {
     const head = process.env['CIRCLE_SHA1'];
-    for (const sha of execSync(`git rev-list --max-count=10 ${head}`).toString().trim().split('\n')) {
+    for (const sha of execSync(`git rev-list --max-count=500 ${head}`).toString().trim().split('\n')) {
         const base = execSync(`git branch -r --contains ${sha} origin/master origin/release-*`).toString().split('\n')[0].trim().replace(/^origin\//, '');
         if (base) {
             const mergeBase = execSync(`git merge-base origin/${base} ${head}`).toString().trim();
-- 
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