Bug 1175655 - mozharness should use full hg revision; r=jlund

testing/mozharness/mozharness/mozilla/building/buildb2gbase.py

@@ -193,7 +193,7 @@ class B2GBuildBaseScript(BuildbotMixin, MockMixin,
                 )
             else:
                 return None
-        return revision[0:12] if revision else None
+        return revision
 
     def query_gecko_config_path(self):
         conf_file = self.config.get('gecko_config')

testing/mozharness/mozharness/mozilla/building/buildbase.py

@@ -1138,7 +1138,7 @@ or run without that action (ie: --no-{action})"
                 revision = self.get_output_from_command(
                     hg + ['parent', '--template', '{node|short}'], cwd=source_path
                 )
-        return revision[0:12].encode('ascii', 'replace') if revision else None
+        return revision.encode('ascii', 'replace') if revision else None
 
     def _checkout_source(self):
         """use vcs_checkout to grab source needed for build."""

testing/mozharness/scripts/spidermonkey_build.py

@@ -220,7 +220,7 @@ class SpidermonkeyBuild(MockMixin,
             # None.
             revision = self.config.get('revision')
 
-        return revision[0:12] if revision else None
+        return revision
 
     def query_branch(self):
         if self.buildbot_config and 'properties' in self.buildbot_config: