bitbake-layers fixes

index 23fffc9..1737e54 100644
@@ -219,6 +219,12 @@ class BBCooker:
             nice = int(nice) - curnice
             buildlog.verbose("Renice to %s " % os.nice(nice))
 
+        if self.status:
+            del self.status
+        self.status = bb.cache.CacheData(self.caches_array)
+
+        self.handleCollections( self.configuration.data.getVar("BBFILE_COLLECTIONS", True) )
+
     def parseCommandLine(self):
         # Parse any commandline into actions
         self.commandlineAction = {'action':None, 'msg':None}

@@ -298,8 +304,6 @@ class BBCooker:
             # Parse the configuration here. We need to do it explicitly here since
             # this showEnvironment() code path doesn't use the cache
             self.parseConfiguration()
-            self.status = bb.cache.CacheData(self.caches_array)
-            self.handleCollections( self.configuration.data.getVar("BBFILE_COLLECTIONS", True) )
 
             fn, cls = bb.cache.Cache.virtualfn2realfn(buildfile)
             fn = self.matchFile(fn)

@@ -1035,8 +1039,6 @@ class BBCooker:
         # Parse the configuration here. We need to do it explicitly here since
         # buildFile() doesn't use the cache
         self.parseConfiguration()
-        self.status = bb.cache.CacheData(self.caches_array)
-        self.handleCollections( self.configuration.data.getVar("BBFILE_COLLECTIONS", True) )
 
         # If we are told to do the None task then query the default task
         if (task == None):

@@ -1186,18 +1188,12 @@ class BBCooker:
         if self.state != state.parsing:
             self.parseConfiguration ()
 
-            if self.status:
-                del self.status
-            self.status = bb.cache.CacheData(self.caches_array)
-
             ignore = self.configuration.data.getVar("ASSUME_PROVIDED", True) or ""
             self.status.ignored_dependencies = set(ignore.split())
 
             for dep in self.configuration.extra_assume_provided:
                 self.status.ignored_dependencies.add(dep)
 
-            self.handleCollections( self.configuration.data.getVar("BBFILE_COLLECTIONS", True) )
-
             (filelist, masked) = self.collect_bbfiles()
             self.configuration.data.renameVar("__depends", "__base_depends")
 

index 1dacc25..6d18d94 100755
@@ -86,9 +86,13 @@ class Commands(cmd.Cmd):
         self.cooker_data = self.cooker.status
         self.cooker_data.appends = self.cooker.appendlist
 
-    def check_prepare_cooker(self):
+    def check_prepare_cooker(self, config_only = False):
         if not self.cooker_data:
-            self.prepare_cooker()
+            if config_only:
+                self.cooker.parseConfiguration()
+                self.cooker_data = self.cooker.status
+            else:
+                self.prepare_cooker()
 
     def default(self, line):
         """Handle unrecognised commands"""

@@ -113,8 +117,7 @@ class Commands(cmd.Cmd):
 
     def do_show_layers(self, args):
         """show current configured layers"""
-        self.check_prepare_cooker()
-        logger.plain('')
+        self.check_prepare_cooker(config_only = True)
         logger.plain("%s  %s  %s" % ("layer".ljust(20), "path".ljust(40), "priority"))
         logger.plain('=' * 74)
         for layerdir in self.bblayers:

index 6d18d94..f473711 100755
@@ -521,7 +521,7 @@ Recipes are listed with the bbappends that apply to them as subitems.
             logger.plain('No append files found')
             return
 
-        logger.plain('State of append files:')
+        logger.plain('=== Appended recipes ===')
 
         pnlist = list(self.cooker_data.pkg_pn.keys())
         pnlist.sort()