1 files changed, 41 insertions, 0 deletions
diff --git a/infra/bots/recipe_modules/build/flutter.py b/infra/bots/recipe_modules/build/flutter.py
new file mode 100644
index 0000000000..13403cd203
--- /dev/null
+++ b/infra/bots/recipe_modules/build/flutter.py
@@ -0,0 +1,41 @@
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+def compile_fn(api, _):
+  flutter_dir = api.vars.checkout_root.join('src')
+  configuration = api.vars.builder_cfg.get('configuration').lower()
+  extra_tokens = api.vars.extra_tokens
+  out_dir = configuration
+
+  with api.context(cwd=flutter_dir):
+    # Runhook to generate the gn binary in buildtools.
+    api.gclient.runhooks()
+
+    # Setup GN args.
+    gn_args = [
+        '--runtime-mode=%s' % configuration,
+    ]
+    if 'Android' in extra_tokens:
+      gn_args.append('--android')
+      out_dir = 'android_' + out_dir
+
+    # Delete out_dir so that we start from a clean slate. See skbug/6310.
+    api.run.rmtree(flutter_dir.join('out', out_dir))
+
+    # Run GN.
+    api.run(
+        api.step,
+        'gn_gen',
+        cmd=['flutter/tools/gn'] + gn_args)
+
+    # Build Flutter.
+    api.run(
+        api.step,
+        'build_flutter',
+        cmd=['ninja', '-C', 'out/' + out_dir, '-j100'])
+
+
+def copy_extra_build_products(api, src, dst):
+  pass