BitBake memory-resident mode fixes

index 722d860..6b850d3 100644
@@ -76,7 +76,7 @@ class ConfigParameters(object):
         for o in ["abort", "tryaltconfigs", "force", "invalidate_stamp", 
                   "verbose", "debug", "dry_run", "dump_signatures", 
                   "debug_domains", "extra_assume_provided", "profile",
-                  "prefile", "postfile"]:
+                  "prefile", "postfile", "tracking"]:
             options[o] = getattr(self.options, o)
 
         ret, error = server.runCommand(["updateConfig", options, environment])

index 8846690..651b9c0 100644
@@ -1313,6 +1313,18 @@ class BBCooker:
         self.data.setVar("DATE", time.strftime('%Y%m%d', t))
         self.data.setVar("TIME", time.strftime('%H%M%S', t))
 
+    def reset_mtime_caches(self):
+        """
+        Reset mtime caches - this is particularly important when memory resident as something
+        which is cached is not unlikely to have changed since the last invocation (e.g. a
+        file associated with a recipe might have been modified by the user).
+        """
+        build.reset_cache()
+        bb.fetch._checksum_cache.mtime_cache.clear()
+        siggen_cache = getattr(bb.parse.siggen, 'checksum_cache', None)
+        if siggen_cache:
+            bb.parse.siggen.checksum_cache.mtime_cache.clear()
+
     def matchFiles(self, bf):
         """
         Find the .bb files which match the expression in 'buildfile'.

@@ -1490,7 +1502,7 @@ class BBCooker:
                 return True
             return retval
 
-        build.reset_cache()
+        self.reset_mtime_caches()
         self.buildSetVars()
 
         # If we are told to do the None task then query the default task

index 651b9c0..1283136 100644
@@ -213,9 +213,6 @@ class BBCooker:
 
         self.configuration.server_register_idlecallback(_process_inotify_updates, [self.confignotifier, self.notifier])
 
-        self.baseconfig_valid = True
-        self.parsecache_valid = False
-
         # Take a lock so only one copy of bitbake can run against a given build
         # directory at a time
         if not self.lockBitbake():

@@ -375,6 +372,8 @@ class BBCooker:
         self.data.renameVar("__depends", "__base_depends")
         self.add_filewatch(self.data.getVar("__base_depends", False), self.configwatcher)
 
+        self.baseconfig_valid = True
+        self.parsecache_valid = False
 
     def enableDataTracking(self):
         self.configuration.tracking = True

@@ -568,7 +567,6 @@ class BBCooker:
                 clean = False
         if not clean:
             logger.debug(1, "Base environment change, triggering reparse")
-            self.baseconfig_valid = False        
             self.reset()
 
     def runCommands(self, server, data, abort):

@@ -1623,8 +1621,6 @@ class BBCooker:
         if not self.baseconfig_valid:
             logger.debug(1, "Reloading base configuration data")
             self.initConfigurationData()
-            self.baseconfig_valid = True
-            self.parsecache_valid = False
 
     # This is called for all async commands when self.state != running
     def updateCache(self):

index ab51d8e..a919f58 100644
@@ -310,7 +310,8 @@ class CommandsSync:
     def updateConfig(self, command, params):
         options = params[0]
         environment = params[1]
-        command.cooker.updateConfigOpts(options, environment)
+        cmdline = params[2]
+        command.cooker.updateConfigOpts(options, environment, cmdline)
     updateConfig.needconfig = False
 
     def parseConfiguration(self, command, params):

index 1283136..45b5a61 100644
@@ -192,6 +192,8 @@ class BBCooker:
         bb.parse.__mtime_cache = {}
         bb.parse.BBHandler.cached_statements = {}
 
+        self.ui_cmdline = None
+
         self.initConfigurationData()
 
         # we log all events to a file if so directed

@@ -360,6 +362,8 @@ class BBCooker:
         if consolelog:
             self.data.setVar("BB_CONSOLELOG", consolelog)
 
+        self.data.setVar('BB_CMDLINE', self.ui_cmdline)
+
         #
         # Copy of the data store which has been expanded.
         # Used for firing events and accessing variables where expansion needs to be accounted for

@@ -539,7 +543,8 @@ class BBCooker:
 
         self.handleCollections(self.data.getVar("BBFILE_COLLECTIONS"))
 
-    def updateConfigOpts(self, options, environment):
+    def updateConfigOpts(self, options, environment, cmdline):
+        self.ui_cmdline = cmdline
         clean = True
         for o in options:
             if o in ['prefile', 'postfile']:

index 6b850d3..62aa055 100644
@@ -79,7 +79,7 @@ class ConfigParameters(object):
                   "prefile", "postfile", "tracking"]:
             options[o] = getattr(self.options, o)
 
-        ret, error = server.runCommand(["updateConfig", options, environment])
+        ret, error = server.runCommand(["updateConfig", options, environment, sys.argv])
         if error:
                 raise Exception("Unable to update the server configuration with local parameters: %s" % error)