[build] Add build that verifies that the code generator was run

1 files changed, 50 insertions, 0 deletions

diff --git a/scripts/nitpick/generated-code.js b/scripts/nitpick/generated-code.js
new file mode 100755
index 0000000000..b8699eaa00
--- /dev/null
+++ b/scripts/nitpick/generated-code.js
@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+const nitpick = require('.');
+const child_process = require('child_process');
+const path = require('path');
+const fs = require('fs');
+const os = require('os');
+
+function checkGeneratedFiles(name, scripts) {
+  var files = [];
+
+  scripts.forEach(function(script) {
+    child_process.execSync(script);
+    const list = path.join(path.dirname(script), path.basename(script, path.extname(script)) + '.list');
+    files.push(list);
+    files = files.concat(fs.readFileSync(list, 'utf8').split('\n'));
+  });
+
+  // List missing files
+  var missing = child_process.execFileSync('git', ['ls-files', '--others', '--exclude-standard', '--'].concat(files)).toString().trim();
+  if (!missing.length) {
+    nitpick.ok(`All generated ${name} files are checked in`);
+  } else {
+    nitpick.fail(`These generated ${name} files are not checked in:`, missing);
+  }
+
+  // Diff existing files
+  var diff = child_process.execFileSync('git', ['-c', 'color.ui=always', 'diff', 'HEAD', '--'].concat(files)).toString().trim();
+  if (!diff.length) {
+    nitpick.ok(`All generated ${name} files are up-to-date`);
+  } else {
+    nitpick.fail(`These generated ${name} files have modifications:`, diff);
+  }
+}
+
+const mode = (process.argv[2] || '').toLowerCase();
+if (!mode || mode == 'cmake') {
+  checkGeneratedFiles('CMake list', ['scripts/generate-cmake-files.js']);
+}
+if (!mode || mode == 'shader') {
+  checkGeneratedFiles('shader', ['scripts/generate-shaders.js']);
+}
+if (!mode || mode == 'style') {
+  checkGeneratedFiles('style', ['scripts/generate-style-code.js']);
+}
+if (!mode || mode == 'android') {
+  checkGeneratedFiles('Android', ['platform/android/scripts/generate-style-code.js']);
+}
+if ((!mode || mode == 'darwin') && os.platform() == 'darwin') {
+  checkGeneratedFiles('Darwin', ['platform/darwin/scripts/generate-style-code.js', 'platform/darwin/scripts/update-examples.js']);
+}