[build] Write out a list of files generated by our code generator scripts

This will help us tracking deleted/modified/added files

.gitignore

@@ -34,3 +34,8 @@ xcuserdata
 test/fixtures/api/assets.zip
 test/fixtures/storage/assets.zip
 /.circle-week
+
+# Generated list files from code generation
+/scripts/generate-cmake-files.list
+/scripts/generate-shaders.list
+/scripts/generate-style-code.list

platform/android/.gitignore

@@ -30,3 +30,5 @@ captures/
 # Generated test cases
 MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/activity/gen/
 
+# Generated list files from code generation
+/scripts/generate-style-code.list

platform/darwin/.gitignore

@@ -0,0 +1,3 @@
+# Generated list files from code generation
+/scripts/generate-style-code.list
+/scripts/update-examples.list

scripts/style-code.js

@@ -1,6 +1,7 @@
 // Global functions //
 
 const fs = require('fs');
+const path = require('path');
 
 global.iff = function (condition, val) {
   return condition() ? val : "";
@@ -26,7 +27,15 @@ global.unhyphenate = function (str) {
  return str.replace(/-/g, " ");
 };
 
+// Write out a list of files that this script is modifying so that we can check
+var files = [];
+process.on('exit', function() {
+  const list = path.join(path.dirname(process.argv[1]), path.basename(process.argv[1], '.js') + '.list');
+  fs.writeFileSync(list, files.join('\n'));
+});
+
 global.writeIfModified = function(filename, newContent) {
+  files.push(filename);
   try {
     const oldContent = fs.readFileSync(filename, 'utf8');
     if (oldContent == newContent) {