From e84b4042dea7e977f722934e4a948ea7824745fe Mon Sep 17 00:00:00 2001
From: Bruno de Oliveira Abinader <bruno@mapbox.com>
Date: Wed, 14 Sep 2016 16:33:40 +0300
Subject: [PATCH] [glfw] Initial style from MAPBOX_STYLE_URL if set

---
 bin/glfw.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/bin/glfw.cpp b/bin/glfw.cpp
index 98fb32075..142095f8a 100644
--- a/bin/glfw.cpp
+++ b/bin/glfw.cpp
@@ -148,9 +148,15 @@ int main(int argc, char *argv[]) {
 
     // Load style
     if (style.empty()) {
-        mbgl::util::default_styles::DefaultStyle newStyle = mbgl::util::default_styles::orderedStyles[0];
-        style = newStyle.url;
-        view->setWindowTitle(newStyle.name);
+        const char *url = getenv("MAPBOX_STYLE_URL");
+        if (url == nullptr) {
+            mbgl::util::default_styles::DefaultStyle newStyle = mbgl::util::default_styles::orderedStyles[0];
+            style = newStyle.url;
+            view->setWindowTitle(newStyle.name);
+        } else {
+            style = url;
+            view->setWindowTitle(url);
+        }
     }
 
     map.setStyleURL(style);