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-rw-r--r--lib/detectLocalGit.js3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/detectLocalGit.js b/lib/detectLocalGit.js
index 4fd8d1b..3d381db 100644
--- a/lib/detectLocalGit.js
+++ b/lib/detectLocalGit.js
@@ -7,7 +7,8 @@ module.exports = function detectLocalGit(knownCommit, knownBranch) {
var dir = process.cwd(), gitDir;
while ('/' !== dir) {
gitDir = path.join(dir, '.git');
- if (fs.existsSync(path.join(gitDir, 'HEAD')))
+ var existsSync = fs.existsSync || path.existsSync;
+ if (existsSync(path.join(gitDir, 'HEAD')))
break;
dir = path.dirname(dir);