diff --git a/__init__.py b/__init__.py
index e69de29..78a7873 100644
--- a/__init__.py
+++ b/__init__.py
@@ -0,0 +1,28 @@
+import rwx.log
+
+log = rwx.log.get_logger(__name__)
+
+
+class Build:
+
+    def __init__(self):
+        self.input_mirror = None
+        self.output_root = None
+
+    def check(self):
+        log.info('Build.check')
+
+    def init(self):
+        log.info('Build.init')
+
+    def build(self):
+        log.info('Build.build')
+
+    def squash(self):
+        log.info('Build.squash')
+
+    def run(self):
+        self.check()
+        self.init()
+        self.build()
+        self.squash()