From 9b29dddea6be614db4d4823f4afc3fbf58738cb4 Mon Sep 17 00:00:00 2001
From: Cody Balos <cjbalos@gmail.com>
Date: Sat, 15 Oct 2016 12:37:57 -0700
Subject: [PATCH] Add support for git submodules. Addresses issue #54.

---
 lib/command-requirements.js | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/lib/command-requirements.js b/lib/command-requirements.js
index 9d2b7b0..2365773 100644
--- a/lib/command-requirements.js
+++ b/lib/command-requirements.js
@@ -1,4 +1,5 @@
-var fs = require('fs');
+var fs = require('fs'),
+    path = require('path');
 
 module.exports = {
   git: function(req) {
@@ -8,9 +9,22 @@ module.exports = {
       if (stat.isDirectory()) {
         return true;
       }
-    } catch (e) { }
+    } catch (e) {
+      // check if the directory is a submodule
+      // addresses https://github.com/mixu/gr/issues/54
+      if (e.code === 'ENOTDIR' || e.code === 'ENOENT')
+      { 
+        var parentPath = path.dirname(req.path);
+        try {
+          stat = fs.statSync(parentPath + '/.gitmodules');
+          if (stat.isFile()) {
+            return true;
+          }
+        } catch (e) { }
+      }
+    }
     if (req.format === 'human') {
-      console.log('Skipped ' + req.path + ' as it does not have a .git subdirectory.');
+      console.log('Skipped ' + req.path + ' as it does not have a .git subdirectory and is not a submodule.');
     }
     return false;
   },
@@ -19,10 +33,10 @@ module.exports = {
     try {
       stat = fs.statSync(req.path + '/Makefile');
       if (stat.isFile()) {
-        return true;
       }
     } catch (e) { }
     if (req.format === 'human') {
+        return true;
       console.log('Skipped ' + req.path + ' as it does not have a ./Makefile file.');
     }
     return false;