Store built module commit in a dict

So that we can store more info

2 files changed, 10 insertions, 13 deletions

diff --git a/devbot/build.py b/devbot/build.py
index 9823310..6a7f387 100644
--- a/devbot/build.py
+++ b/devbot/build.py
@@ -52,12 +52,7 @@ def build():
     skipped = []
 
     for module in modules[:]:
-        new_commit_id = module.get_commit_id()
-        if new_commit_id is None:
-            break
-
-        old_commit_id = state.get_built_commit_id(module)
-        if old_commit_id == new_commit_id:
+        if state.check_built_module(module):
             modules.pop(0)
             skipped.append(module.name)
         else:
@@ -68,7 +63,7 @@ def build():
         print "\n".join(skipped)
 
     for module in modules:
-        state.remove_built_commit_id(module)
+        state.remove_built_module(module)
 
     for module in modules:
         if not _build_module(module, config.get_log_path("build")):
@@ -226,7 +221,7 @@ def _build_module(module, log=None):
     except subprocess.CalledProcessError:
         return False
 
-    state.touch_built_commit_id(module)
+    state.touch_built_module(module)
 
     return True
 
diff --git a/devbot/state.py b/devbot/state.py
index 649b115..beba837 100644
--- a/devbot/state.py
+++ b/devbot/state.py
@@ -25,23 +25,25 @@ def _save_state(name, state):
         json.dump(state, f, indent=4)
         f.write('\n')
 
-def touch_built_commit_id(module):
+def touch_built_module(module):
     built_modules = _load_state(_BUILT_MODULES, {})
 
-    built_modules[module.name] = module.get_commit_id()
+    info = {"commit": module.get_commit_id()}
+    built_modules[module.name] = info
 
     _save_state(_BUILT_MODULES, built_modules)
 
-def remove_built_commit_id(module):
+def remove_built_module(module):
     built_modules = _load_state(_BUILT_MODULES)
 
     if built_modules and module.name in built_modules:
         del built_modules[module.name]
         _save_state(_BUILT_MODULES, built_modules)
 
-def get_built_commit_id(module):
+def check_built_module(module):
     built_modules = _load_state(_BUILT_MODULES, {})
-    return built_modules.get(module.name, None)
+    info = built_modules.get(module.name, {})
+    return module.get_commit_id() == info.get("commit", None)
 
 def get_last_system_check():
     system_check = _load_state(_SYSTEM_CHECK, {})