set __file__ before calling execfile on tacFile for relocatable build…

…masters
buildbot · Aug 10, 2013 · 755d0cb · 755d0cb
1 parent 8c27b44
commit 755d0cb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/master/buildbot/scripts/base.py b/master/buildbot/scripts/base.py
@@ -42,8 +42,8 @@ def getConfigFileFromTac(basedir):
     # execute the .tac file to see if its configfile location exists
     tacFile = os.path.join(basedir, 'buildbot.tac')
     if os.path.exists(tacFile):
-        # don't mess with the global namespace
-        tacGlobals = {}
+        # don't mess with the global namespace, but set __file__ for relocatable buildmasters
+        tacGlobals = {'__file__' : tacFile}
         execfile(tacFile, tacGlobals)
         return tacGlobals.get("configfile", "master.cfg")
     else: