diff --git a/poky/bitbake/lib/bb/__init__.py b/poky/bitbake/lib/bb/__init__.py
index b217737..e3f40a3 100644
--- a/poky/bitbake/lib/bb/__init__.py
+++ b/poky/bitbake/lib/bb/__init__.py
@@ -9,7 +9,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-__version__ = "1.49.0"
+__version__ = "1.49.1"
 
 import sys
 if sys.version_info < (3, 5, 0):
@@ -21,8 +21,8 @@
     The big dilemma for generic bitbake code is what information to give the user
     when an exception occurs. Any exception inheriting this base exception class
     has already provided information to the user via some 'fired' message type such as
-    an explicitly fired event using bb.fire, or a bb.error message. If bitbake 
-    encounters an exception derived from this class, no backtrace or other information 
+    an explicitly fired event using bb.fire, or a bb.error message. If bitbake
+    encounters an exception derived from this class, no backtrace or other information
     will be given to the user, its assumed the earlier event provided the relevant information.
     """
     pass
@@ -42,7 +42,16 @@
 
     def setup_bblogger(self, name):
         if name.split(".")[0] == "BitBake":
-            self.debug = self.bbdebug
+            self.debug = self._debug_helper
+
+    def _debug_helper(self, *args, **kwargs):
+        return self.bbdebug(1, *args, **kwargs)
+
+    def debug2(self, *args, **kwargs):
+        return self.bbdebug(2, *args, **kwargs)
+
+    def debug3(self, *args, **kwargs):
+        return self.bbdebug(3, *args, **kwargs)
 
     def bbdebug(self, level, msg, *args, **kwargs):
         loglevel = logging.DEBUG - level + 1
@@ -128,7 +137,7 @@
         mainlogger.warning("Passed invalid debug level '%s' to bb.debug", lvl)
         args = (lvl,) + args
         lvl = 1
-    mainlogger.debug(lvl, ''.join(args))
+    mainlogger.bbdebug(lvl, ''.join(args))
 
 def note(*args):
     mainlogger.info(''.join(args))
diff --git a/poky/bitbake/lib/bb/build.py b/poky/bitbake/lib/bb/build.py
index 974d2ff..f4f897e 100644
--- a/poky/bitbake/lib/bb/build.py
+++ b/poky/bitbake/lib/bb/build.py
@@ -583,7 +583,7 @@
         logger.error("No such task: %s" % task)
         return 1
 
-    logger.debug(1, "Executing task %s", task)
+    logger.debug("Executing task %s", task)
 
     localdata = _task_data(fn, task, d)
     tempdir = localdata.getVar('T')
@@ -596,7 +596,7 @@
         curnice = os.nice(0)
         nice = int(nice) - curnice
         newnice = os.nice(nice)
-        logger.debug(1, "Renice to %s " % newnice)
+        logger.debug("Renice to %s " % newnice)
     ionice = localdata.getVar("BB_TASK_IONICE_LEVEL")
     if ionice:
         try:
@@ -720,7 +720,7 @@
 
         logfile.close()
         if os.path.exists(logfn) and os.path.getsize(logfn) == 0:
-            logger.debug(2, "Zero size logfn %s, removing", logfn)
+            logger.debug2("Zero size logfn %s, removing", logfn)
             bb.utils.remove(logfn)
             bb.utils.remove(loglink)
     event.fire(TaskSucceeded(task, fn, logfn, localdata), localdata)
diff --git a/poky/bitbake/lib/bb/cache.py b/poky/bitbake/lib/bb/cache.py
index b8054e0..aea2b8b 100644
--- a/poky/bitbake/lib/bb/cache.py
+++ b/poky/bitbake/lib/bb/cache.py
@@ -26,7 +26,7 @@
 
 logger = logging.getLogger("BitBake.Cache")
 
-__cache_version__ = "153"
+__cache_version__ = "154"
 
 def getCacheFile(path, filename, mc, data_hash):
     mcspec = ''
@@ -94,6 +94,7 @@
         if not self.packages:
             self.packages.append(self.pn)
         self.packages_dynamic = self.listvar('PACKAGES_DYNAMIC', metadata)
+        self.rprovides_pkg = self.pkgvar('RPROVIDES', self.packages, metadata)
 
         self.skipreason = self.getvar('__SKIPPED', metadata)
         if self.skipreason:
@@ -120,7 +121,6 @@
         self.depends          = self.depvar('DEPENDS', metadata)
         self.rdepends         = self.depvar('RDEPENDS', metadata)
         self.rrecommends      = self.depvar('RRECOMMENDS', metadata)
-        self.rprovides_pkg    = self.pkgvar('RPROVIDES', self.packages, metadata)
         self.rdepends_pkg     = self.pkgvar('RDEPENDS', self.packages, metadata)
         self.rrecommends_pkg  = self.pkgvar('RRECOMMENDS', self.packages, metadata)
         self.inherits         = self.getvar('__inherit_cache', metadata, expand=False)
@@ -215,7 +215,7 @@
         if not self.not_world:
             cachedata.possible_world.append(fn)
         #else:
-        #    logger.debug(2, "EXCLUDE FROM WORLD: %s", fn)
+        #    logger.debug2("EXCLUDE FROM WORLD: %s", fn)
 
         # create a collection of all targets for sanity checking
         # tasks, such as upstream versions, license, and tools for
@@ -238,7 +238,7 @@
     Convert a virtual file name to a real one + the associated subclass keyword
     """
     mc = ""
-    if virtualfn.startswith('mc:'):
+    if virtualfn.startswith('mc:') and virtualfn.count(':') >= 2:
         elems = virtualfn.split(':')
         mc = elems[1]
         virtualfn = ":".join(elems[2:])
@@ -268,7 +268,7 @@
     """
     if variant == "":
         return realfn
-    if variant.startswith("mc:"):
+    if variant.startswith("mc:") and variant.count(':') >= 2:
         elems = variant.split(":")
         if elems[2]:
             return "mc:" + elems[1] + ":virtual:" + ":".join(elems[2:]) + ":" + realfn
@@ -323,7 +323,7 @@
         Return a complete set of data for fn.
         To do this, we need to parse the file.
         """
-        logger.debug(1, "Parsing %s (full)" % virtualfn)
+        logger.debug("Parsing %s (full)" % virtualfn)
         (fn, virtual, mc) = virtualfn2realfn(virtualfn)
         bb_data = self.load_bbfile(virtualfn, appends, virtonly=True)
         return bb_data[virtual]
@@ -400,7 +400,7 @@
 
         self.cachefile = self.getCacheFile("bb_cache.dat")
 
-        self.logger.debug(1, "Cache dir: %s", self.cachedir)
+        self.logger.debug("Cache dir: %s", self.cachedir)
         bb.utils.mkdirhier(self.cachedir)
 
         cache_ok = True
@@ -408,7 +408,7 @@
             for cache_class in self.caches_array:
                 cachefile = self.getCacheFile(cache_class.cachefile)
                 cache_exists = os.path.exists(cachefile)
-                self.logger.debug(2, "Checking if %s exists: %r", cachefile, cache_exists)
+                self.logger.debug2("Checking if %s exists: %r", cachefile, cache_exists)
                 cache_ok = cache_ok and cache_exists
                 cache_class.init_cacheData(self)
         if cache_ok:
@@ -416,7 +416,7 @@
         elif os.path.isfile(self.cachefile):
             self.logger.info("Out of date cache found, rebuilding...")
         else:
-            self.logger.debug(1, "Cache file %s not found, building..." % self.cachefile)
+            self.logger.debug("Cache file %s not found, building..." % self.cachefile)
 
         # We don't use the symlink, its just for debugging convinience
         if self.mc:
@@ -453,7 +453,7 @@
 
         for cache_class in self.caches_array:
             cachefile = self.getCacheFile(cache_class.cachefile)
-            self.logger.debug(1, 'Loading cache file: %s' % cachefile)
+            self.logger.debug('Loading cache file: %s' % cachefile)
             with open(cachefile, "rb") as cachefile:
                 pickled = pickle.Unpickler(cachefile)
                 # Check cache version information
@@ -500,7 +500,7 @@
 
     def parse(self, filename, appends):
         """Parse the specified filename, returning the recipe information"""
-        self.logger.debug(1, "Parsing %s", filename)
+        self.logger.debug("Parsing %s", filename)
         infos = []
         datastores = self.load_bbfile(filename, appends, mc=self.mc)
         depends = []
@@ -554,7 +554,7 @@
         cached, infos = self.load(fn, appends)
         for virtualfn, info_array in infos:
             if info_array[0].skipped:
-                self.logger.debug(1, "Skipping %s: %s", virtualfn, info_array[0].skipreason)
+                self.logger.debug("Skipping %s: %s", virtualfn, info_array[0].skipreason)
                 skipped += 1
             else:
                 self.add_info(virtualfn, info_array, cacheData, not cached)
@@ -590,21 +590,21 @@
 
         # File isn't in depends_cache
         if not fn in self.depends_cache:
-            self.logger.debug(2, "%s is not cached", fn)
+            self.logger.debug2("%s is not cached", fn)
             return False
 
         mtime = bb.parse.cached_mtime_noerror(fn)
 
         # Check file still exists
         if mtime == 0:
-            self.logger.debug(2, "%s no longer exists", fn)
+            self.logger.debug2("%s no longer exists", fn)
             self.remove(fn)
             return False
 
         info_array = self.depends_cache[fn]
         # Check the file's timestamp
         if mtime != info_array[0].timestamp:
-            self.logger.debug(2, "%s changed", fn)
+            self.logger.debug2("%s changed", fn)
             self.remove(fn)
             return False
 
@@ -615,13 +615,13 @@
                 fmtime = bb.parse.cached_mtime_noerror(f)
                 # Check if file still exists
                 if old_mtime != 0 and fmtime == 0:
-                    self.logger.debug(2, "%s's dependency %s was removed",
+                    self.logger.debug2("%s's dependency %s was removed",
                                          fn, f)
                     self.remove(fn)
                     return False
 
                 if (fmtime != old_mtime):
-                    self.logger.debug(2, "%s's dependency %s changed",
+                    self.logger.debug2("%s's dependency %s changed",
                                          fn, f)
                     self.remove(fn)
                     return False
@@ -638,14 +638,14 @@
                         continue
                     f, exist = f.split(":")
                     if (exist == "True" and not os.path.exists(f)) or (exist == "False" and os.path.exists(f)):
-                        self.logger.debug(2, "%s's file checksum list file %s changed",
+                        self.logger.debug2("%s's file checksum list file %s changed",
                                              fn, f)
                         self.remove(fn)
                         return False
 
         if tuple(appends) != tuple(info_array[0].appends):
-            self.logger.debug(2, "appends for %s changed", fn)
-            self.logger.debug(2, "%s to %s" % (str(appends), str(info_array[0].appends)))
+            self.logger.debug2("appends for %s changed", fn)
+            self.logger.debug2("%s to %s" % (str(appends), str(info_array[0].appends)))
             self.remove(fn)
             return False
 
@@ -654,10 +654,10 @@
             virtualfn = variant2virtual(fn, cls)
             self.clean.add(virtualfn)
             if virtualfn not in self.depends_cache:
-                self.logger.debug(2, "%s is not cached", virtualfn)
+                self.logger.debug2("%s is not cached", virtualfn)
                 invalid = True
             elif len(self.depends_cache[virtualfn]) != len(self.caches_array):
-                self.logger.debug(2, "Extra caches missing for %s?" % virtualfn)
+                self.logger.debug2("Extra caches missing for %s?" % virtualfn)
                 invalid = True
 
         # If any one of the variants is not present, mark as invalid for all
@@ -665,10 +665,10 @@
             for cls in info_array[0].variants:
                 virtualfn = variant2virtual(fn, cls)
                 if virtualfn in self.clean:
-                    self.logger.debug(2, "Removing %s from cache", virtualfn)
+                    self.logger.debug2("Removing %s from cache", virtualfn)
                     self.clean.remove(virtualfn)
             if fn in self.clean:
-                self.logger.debug(2, "Marking %s as not clean", fn)
+                self.logger.debug2("Marking %s as not clean", fn)
                 self.clean.remove(fn)
             return False
 
@@ -681,10 +681,10 @@
         Called from the parser in error cases
         """
         if fn in self.depends_cache:
-            self.logger.debug(1, "Removing %s from cache", fn)
+            self.logger.debug("Removing %s from cache", fn)
             del self.depends_cache[fn]
         if fn in self.clean:
-            self.logger.debug(1, "Marking %s as unclean", fn)
+            self.logger.debug("Marking %s as unclean", fn)
             self.clean.remove(fn)
 
     def sync(self):
@@ -697,13 +697,13 @@
             return
 
         if self.cacheclean:
-            self.logger.debug(2, "Cache is clean, not saving.")
+            self.logger.debug2("Cache is clean, not saving.")
             return
 
         for cache_class in self.caches_array:
             cache_class_name = cache_class.__name__
             cachefile = self.getCacheFile(cache_class.cachefile)
-            self.logger.debug(2, "Writing %s", cachefile)
+            self.logger.debug2("Writing %s", cachefile)
             with open(cachefile, "wb") as f:
                 p = pickle.Pickler(f, pickle.HIGHEST_PROTOCOL)
                 p.dump(__cache_version__)
@@ -879,7 +879,7 @@
         bb.utils.mkdirhier(cachedir)
         self.cachefile = os.path.join(cachedir,
                                       cache_file_name or self.__class__.cache_file_name)
-        logger.debug(1, "Using cache in '%s'", self.cachefile)
+        logger.debug("Using cache in '%s'", self.cachefile)
 
         glf = bb.utils.lockfile(self.cachefile + ".lock")
 
@@ -985,7 +985,7 @@
         bb.utils.mkdirhier(cachedir)
         self.cachefile = os.path.join(cachedir,
                                       cache_file_name or self.__class__.cache_file_name)
-        logger.debug(1, "Using cache in '%s'", self.cachefile)
+        logger.debug("Using cache in '%s'", self.cachefile)
 
         glf = bb.utils.lockfile(self.cachefile + ".lock")
 
diff --git a/poky/bitbake/lib/bb/cooker.py b/poky/bitbake/lib/bb/cooker.py
index 1f4cc1e..0e492b9 100644
--- a/poky/bitbake/lib/bb/cooker.py
+++ b/poky/bitbake/lib/bb/cooker.py
@@ -73,7 +73,9 @@
             self.pn = info.pn
             self.skipreason = info.skipreason
             self.provides = info.provides
-            self.rprovides = info.rprovides
+            self.rprovides = info.packages + info.rprovides
+            for package in info.packages:
+                self.rprovides += info.rprovides_pkg[package]
         elif reason:
             self.skipreason = reason
 
@@ -409,6 +411,8 @@
             self.data.disableTracking()
 
     def parseConfiguration(self):
+        self.updateCacheSync()
+
         # Change nice level if we're asked to
         nice = self.data.getVar("BB_NICE_LEVEL")
         if nice:
@@ -439,7 +443,7 @@
                         continue
                 except AttributeError:
                     pass
-                logger.debug(1, "Marking as dirty due to '%s' option change to '%s'" % (o, options[o]))
+                logger.debug("Marking as dirty due to '%s' option change to '%s'" % (o, options[o]))
                 print("Marking as dirty due to '%s' option change to '%s'" % (o, options[o]))
                 clean = False
             if hasattr(self.configuration, o):
@@ -466,17 +470,17 @@
 
         for k in bb.utils.approved_variables():
             if k in environment and k not in self.configuration.env:
-                logger.debug(1, "Updating new environment variable %s to %s" % (k, environment[k]))
+                logger.debug("Updating new environment variable %s to %s" % (k, environment[k]))
                 self.configuration.env[k] = environment[k]
                 clean = False
             if k in self.configuration.env and k not in environment:
-                logger.debug(1, "Updating environment variable %s (deleted)" % (k))
+                logger.debug("Updating environment variable %s (deleted)" % (k))
                 del self.configuration.env[k]
                 clean = False
             if k not in self.configuration.env and k not in environment:
                 continue
             if environment[k] != self.configuration.env[k]:
-                logger.debug(1, "Updating environment variable %s from %s to %s" % (k, self.configuration.env[k], environment[k]))
+                logger.debug("Updating environment variable %s from %s to %s" % (k, self.configuration.env[k], environment[k]))
                 self.configuration.env[k] = environment[k]
                 clean = False
 
@@ -484,7 +488,7 @@
         self.configuration.env = environment
 
         if not clean:
-            logger.debug(1, "Base environment change, triggering reparse")
+            logger.debug("Base environment change, triggering reparse")
             self.reset()
 
     def runCommands(self, server, data, abort):
@@ -612,7 +616,7 @@
         # Replace string such as "mc:*:bash"
         # into "mc:A:bash mc:B:bash bash"
         for k in targetlist:
-            if k.startswith("mc:"):
+            if k.startswith("mc:") and k.count(':') >= 2:
                 if wildcard:
                     bb.fatal('multiconfig conflict')
                 if k.split(":")[1] == "*":
@@ -646,7 +650,7 @@
         for k in fulltargetlist:
             origk = k
             mc = ""
-            if k.startswith("mc:"):
+            if k.startswith("mc:") and k.count(':') >= 2:
                 mc = k.split(":")[1]
                 k = ":".join(k.split(":")[2:])
             ktask = task
@@ -695,7 +699,7 @@
                         if depmc not in self.multiconfigs:
                             bb.fatal("Multiconfig dependency %s depends on nonexistent multiconfig configuration named configuration %s" % (k,depmc))
                         else:
-                            logger.debug(1, "Adding providers for multiconfig dependency %s" % l[3])
+                            logger.debug("Adding providers for multiconfig dependency %s" % l[3])
                             taskdata[depmc].add_provider(localdata[depmc], self.recipecaches[depmc], l[3])
                             seen.add(k)
                             new = True
@@ -1551,7 +1555,7 @@
         self.inotify_modified_files = []
 
         if not self.baseconfig_valid:
-            logger.debug(1, "Reloading base configuration data")
+            logger.debug("Reloading base configuration data")
             self.initConfigurationData()
             self.handlePRServ()
 
diff --git a/poky/bitbake/lib/bb/data_smart.py b/poky/bitbake/lib/bb/data_smart.py
index c559102..2328c33 100644
--- a/poky/bitbake/lib/bb/data_smart.py
+++ b/poky/bitbake/lib/bb/data_smart.py
@@ -1005,7 +1005,7 @@
             else:
                 data.update({key:value})
 
-            varflags = d.getVarFlags(key, internalflags = True)
+            varflags = d.getVarFlags(key, internalflags = True, expand=["vardepvalue"])
             if not varflags:
                 continue
             for f in varflags:
diff --git a/poky/bitbake/lib/bb/fetch2/__init__.py b/poky/bitbake/lib/bb/fetch2/__init__.py
index 07b7ae4..19169d7 100644
--- a/poky/bitbake/lib/bb/fetch2/__init__.py
+++ b/poky/bitbake/lib/bb/fetch2/__init__.py
@@ -290,7 +290,7 @@
 
     def _param_str_split(self, string, elmdelim, kvdelim="="):
         ret = collections.OrderedDict()
-        for k, v in [x.split(kvdelim, 1) for x in string.split(elmdelim)]:
+        for k, v in [x.split(kvdelim, 1) for x in string.split(elmdelim) if x]:
             ret[k] = v
         return ret
 
@@ -428,7 +428,7 @@
     uri_decoded = list(decodeurl(ud.url))
     uri_find_decoded = list(decodeurl(uri_find))
     uri_replace_decoded = list(decodeurl(uri_replace))
-    logger.debug(2, "For url %s comparing %s to %s" % (uri_decoded, uri_find_decoded, uri_replace_decoded))
+    logger.debug2("For url %s comparing %s to %s" % (uri_decoded, uri_find_decoded, uri_replace_decoded))
     result_decoded = ['', '', '', '', '', {}]
     for loc, i in enumerate(uri_find_decoded):
         result_decoded[loc] = uri_decoded[loc]
@@ -474,7 +474,7 @@
     result = encodeurl(result_decoded)
     if result == ud.url:
         return None
-    logger.debug(2, "For url %s returning %s" % (ud.url, result))
+    logger.debug2("For url %s returning %s" % (ud.url, result))
     return result
 
 methods = []
@@ -499,9 +499,9 @@
     # When to drop SCM head revisions controlled by user policy
     srcrev_policy = d.getVar('BB_SRCREV_POLICY') or "clear"
     if srcrev_policy == "cache":
-        logger.debug(1, "Keeping SRCREV cache due to cache policy of: %s", srcrev_policy)
+        logger.debug("Keeping SRCREV cache due to cache policy of: %s", srcrev_policy)
     elif srcrev_policy == "clear":
-        logger.debug(1, "Clearing SRCREV cache due to cache policy of: %s", srcrev_policy)
+        logger.debug("Clearing SRCREV cache due to cache policy of: %s", srcrev_policy)
         revs.clear()
     else:
         raise FetchError("Invalid SRCREV cache policy of: %s" % srcrev_policy)
@@ -857,9 +857,9 @@
     cmd = 'export PSEUDO_DISABLED=1; ' + cmd
 
     if workdir:
-        logger.debug(1, "Running '%s' in %s" % (cmd, workdir))
+        logger.debug("Running '%s' in %s" % (cmd, workdir))
     else:
-        logger.debug(1, "Running %s", cmd)
+        logger.debug("Running %s", cmd)
 
     success = False
     error_message = ""
@@ -900,7 +900,7 @@
     elif not trusted_network(d, url):
         raise UntrustedUrl(url, info)
     else:
-        logger.debug(1, "Fetcher accessed the network with the command %s" % info)
+        logger.debug("Fetcher accessed the network with the command %s" % info)
 
 def build_mirroruris(origud, mirrors, ld):
     uris = []
@@ -926,7 +926,7 @@
                     continue
 
                 if not trusted_network(ld, newuri):
-                    logger.debug(1, "Mirror %s not in the list of trusted networks, skipping" %  (newuri))
+                    logger.debug("Mirror %s not in the list of trusted networks, skipping" %  (newuri))
                     continue
 
                 # Create a local copy of the mirrors minus the current line
@@ -939,8 +939,8 @@
                     newud = FetchData(newuri, ld)
                     newud.setup_localpath(ld)
                 except bb.fetch2.BBFetchException as e:
-                    logger.debug(1, "Mirror fetch failure for url %s (original url: %s)" % (newuri, origud.url))
-                    logger.debug(1, str(e))
+                    logger.debug("Mirror fetch failure for url %s (original url: %s)" % (newuri, origud.url))
+                    logger.debug(str(e))
                     try:
                         # setup_localpath of file:// urls may fail, we should still see
                         # if mirrors of the url exist
@@ -1043,8 +1043,8 @@
         elif isinstance(e, NoChecksumError):
             raise
         else:
-            logger.debug(1, "Mirror fetch failure for url %s (original url: %s)" % (ud.url, origud.url))
-            logger.debug(1, str(e))
+            logger.debug("Mirror fetch failure for url %s (original url: %s)" % (ud.url, origud.url))
+            logger.debug(str(e))
         try:
             ud.method.clean(ud, ld)
         except UnboundLocalError:
@@ -1688,7 +1688,7 @@
                 if m.verify_donestamp(ud, self.d) and not m.need_update(ud, self.d):
                     done = True
                 elif m.try_premirror(ud, self.d):
-                    logger.debug(1, "Trying PREMIRRORS")
+                    logger.debug("Trying PREMIRRORS")
                     mirrors = mirror_from_string(self.d.getVar('PREMIRRORS'))
                     done = m.try_mirrors(self, ud, self.d, mirrors)
                     if done:
@@ -1698,7 +1698,7 @@
                             m.update_donestamp(ud, self.d)
                         except ChecksumError as e:
                             logger.warning("Checksum failure encountered with premirror download of %s - will attempt other sources." % u)
-                            logger.debug(1, str(e))
+                            logger.debug(str(e))
                             done = False
 
                 if premirroronly:
@@ -1710,7 +1710,7 @@
                     try:
                         if not trusted_network(self.d, ud.url):
                             raise UntrustedUrl(ud.url)
-                        logger.debug(1, "Trying Upstream")
+                        logger.debug("Trying Upstream")
                         m.download(ud, self.d)
                         if hasattr(m, "build_mirror_data"):
                             m.build_mirror_data(ud, self.d)
@@ -1725,19 +1725,19 @@
                     except BBFetchException as e:
                         if isinstance(e, ChecksumError):
                             logger.warning("Checksum failure encountered with download of %s - will attempt other sources if available" % u)
-                            logger.debug(1, str(e))
+                            logger.debug(str(e))
                             if os.path.exists(ud.localpath):
                                 rename_bad_checksum(ud, e.checksum)
                         elif isinstance(e, NoChecksumError):
                             raise
                         else:
                             logger.warning('Failed to fetch URL %s, attempting MIRRORS if available' % u)
-                            logger.debug(1, str(e))
+                            logger.debug(str(e))
                         firsterr = e
                         # Remove any incomplete fetch
                         if not verified_stamp:
                             m.clean(ud, self.d)
-                        logger.debug(1, "Trying MIRRORS")
+                        logger.debug("Trying MIRRORS")
                         mirrors = mirror_from_string(self.d.getVar('MIRRORS'))
                         done = m.try_mirrors(self, ud, self.d, mirrors)
 
@@ -1774,7 +1774,7 @@
             ud = self.ud[u]
             ud.setup_localpath(self.d)
             m = ud.method
-            logger.debug(1, "Testing URL %s", u)
+            logger.debug("Testing URL %s", u)
             # First try checking uri, u, from PREMIRRORS
             mirrors = mirror_from_string(self.d.getVar('PREMIRRORS'))
             ret = m.try_mirrors(self, ud, self.d, mirrors, True)
diff --git a/poky/bitbake/lib/bb/fetch2/bzr.py b/poky/bitbake/lib/bb/fetch2/bzr.py
index 566ace9..fc558f5 100644
--- a/poky/bitbake/lib/bb/fetch2/bzr.py
+++ b/poky/bitbake/lib/bb/fetch2/bzr.py
@@ -74,16 +74,16 @@
 
         if os.access(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir), '.bzr'), os.R_OK):
             bzrcmd = self._buildbzrcommand(ud, d, "update")
-            logger.debug(1, "BZR Update %s", ud.url)
+            logger.debug("BZR Update %s", ud.url)
             bb.fetch2.check_network_access(d, bzrcmd, ud.url)
             runfetchcmd(bzrcmd, d, workdir=os.path.join(ud.pkgdir, os.path.basename(ud.path)))
         else:
             bb.utils.remove(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir)), True)
             bzrcmd = self._buildbzrcommand(ud, d, "fetch")
             bb.fetch2.check_network_access(d, bzrcmd, ud.url)
-            logger.debug(1, "BZR Checkout %s", ud.url)
+            logger.debug("BZR Checkout %s", ud.url)
             bb.utils.mkdirhier(ud.pkgdir)
-            logger.debug(1, "Running %s", bzrcmd)
+            logger.debug("Running %s", bzrcmd)
             runfetchcmd(bzrcmd, d, workdir=ud.pkgdir)
 
         scmdata = ud.parm.get("scmdata", "")
@@ -109,7 +109,7 @@
         """
         Return the latest upstream revision number
         """
-        logger.debug(2, "BZR fetcher hitting network for %s", ud.url)
+        logger.debug2("BZR fetcher hitting network for %s", ud.url)
 
         bb.fetch2.check_network_access(d, self._buildbzrcommand(ud, d, "revno"), ud.url)
 
diff --git a/poky/bitbake/lib/bb/fetch2/clearcase.py b/poky/bitbake/lib/bb/fetch2/clearcase.py
index 49d7ae1..1a9c863 100644
--- a/poky/bitbake/lib/bb/fetch2/clearcase.py
+++ b/poky/bitbake/lib/bb/fetch2/clearcase.py
@@ -70,7 +70,7 @@
         return ud.type in ['ccrc']
 
     def debug(self, msg):
-        logger.debug(1, "ClearCase: %s", msg)
+        logger.debug("ClearCase: %s", msg)
 
     def urldata_init(self, ud, d):
         """
diff --git a/poky/bitbake/lib/bb/fetch2/cvs.py b/poky/bitbake/lib/bb/fetch2/cvs.py
index 22abdef..01de5ff 100644
--- a/poky/bitbake/lib/bb/fetch2/cvs.py
+++ b/poky/bitbake/lib/bb/fetch2/cvs.py
@@ -109,7 +109,7 @@
             cvsupdatecmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvsupdatecmd)
 
         # create module directory
-        logger.debug(2, "Fetch: checking for module directory")
+        logger.debug2("Fetch: checking for module directory")
         moddir = os.path.join(ud.pkgdir, localdir)
         workdir = None
         if os.access(os.path.join(moddir, 'CVS'), os.R_OK):
@@ -123,7 +123,7 @@
             # check out sources there
             bb.utils.mkdirhier(ud.pkgdir)
             workdir = ud.pkgdir
-            logger.debug(1, "Running %s", cvscmd)
+            logger.debug("Running %s", cvscmd)
             bb.fetch2.check_network_access(d, cvscmd, ud.url)
             cmd = cvscmd
 
diff --git a/poky/bitbake/lib/bb/fetch2/git.py b/poky/bitbake/lib/bb/fetch2/git.py
index 490d57f..e3ba80a 100644
--- a/poky/bitbake/lib/bb/fetch2/git.py
+++ b/poky/bitbake/lib/bb/fetch2/git.py
@@ -220,7 +220,12 @@
             ud.shallow = False
 
         if ud.usehead:
-            ud.unresolvedrev['default'] = 'HEAD'
+            # When usehead is set let's associate 'HEAD' with the unresolved
+            # rev of this repository. This will get resolved into a revision
+            # later. If an actual revision happens to have also been provided
+            # then this setting will be overridden.
+            for name in ud.names:
+                ud.unresolvedrev[name] = 'HEAD'
 
         ud.basecmd = d.getVar("FETCHCMD_git") or "git -c core.fsyncobjectfiles=0"
 
@@ -379,6 +384,35 @@
             if missing_rev:
                 raise bb.fetch2.FetchError("Unable to find revision %s even from upstream" % missing_rev)
 
+        if self._contains_lfs(ud, d, ud.clonedir) and self._need_lfs(ud):
+            # Unpack temporary working copy, use it to run 'git checkout' to force pre-fetching
+            # of all LFS blobs needed at the the srcrev.
+            #
+            # It would be nice to just do this inline here by running 'git-lfs fetch'
+            # on the bare clonedir, but that operation requires a working copy on some
+            # releases of Git LFS.
+            tmpdir = tempfile.mkdtemp(dir=d.getVar('DL_DIR'))
+            try:
+                # Do the checkout. This implicitly involves a Git LFS fetch.
+                self.unpack(ud, tmpdir, d)
+
+                # Scoop up a copy of any stuff that Git LFS downloaded. Merge them into
+                # the bare clonedir.
+                #
+                # As this procedure is invoked repeatedly on incremental fetches as
+                # a recipe's SRCREV is bumped throughout its lifetime, this will
+                # result in a gradual accumulation of LFS blobs in <ud.clonedir>/lfs
+                # corresponding to all the blobs reachable from the different revs
+                # fetched across time.
+                #
+                # Only do this if the unpack resulted in a .git/lfs directory being
+                # created; this only happens if at least one blob needed to be
+                # downloaded.
+                if os.path.exists(os.path.join(tmpdir, "git", ".git", "lfs")):
+                    runfetchcmd("tar -cf - lfs | tar -xf - -C %s" % ud.clonedir, d, workdir="%s/git/.git" % tmpdir)
+            finally:
+                bb.utils.remove(tmpdir, recurse=True)
+
     def build_mirror_data(self, ud, d):
         if ud.shallow and ud.write_shallow_tarballs:
             if not os.path.exists(ud.fullshallow):
@@ -474,7 +508,7 @@
         if os.path.exists(destdir):
             bb.utils.prunedir(destdir)
 
-        need_lfs = ud.parm.get("lfs", "1") == "1"
+        need_lfs = self._need_lfs(ud)
 
         if not need_lfs:
             ud.basecmd = "GIT_LFS_SKIP_SMUDGE=1 " + ud.basecmd
@@ -563,6 +597,9 @@
             raise bb.fetch2.FetchError("The command '%s' gave output with more then 1 line unexpectedly, output: '%s'" % (cmd, output))
         return output.split()[0] != "0"
 
+    def _need_lfs(self, ud):
+        return ud.parm.get("lfs", "1") == "1"
+
     def _contains_lfs(self, ud, d, wd):
         """
         Check if the repository has 'lfs' (large file) content
@@ -573,8 +610,14 @@
         else:
             branchname = "master"
 
-        cmd = "%s grep lfs origin/%s:.gitattributes | wc -l" % (
-            ud.basecmd, ud.branches[ud.names[0]])
+        # The bare clonedir doesn't use the remote names; it has the branch immediately.
+        if wd == ud.clonedir:
+            refname = ud.branches[ud.names[0]]
+        else:
+            refname = "origin/%s" % ud.branches[ud.names[0]]
+
+        cmd = "%s grep lfs %s:.gitattributes | wc -l" % (
+            ud.basecmd, refname)
 
         try:
             output = runfetchcmd(cmd, d, quiet=True, workdir=wd)
diff --git a/poky/bitbake/lib/bb/fetch2/gitsm.py b/poky/bitbake/lib/bb/fetch2/gitsm.py
index d6e5c5c..a4527bf 100644
--- a/poky/bitbake/lib/bb/fetch2/gitsm.py
+++ b/poky/bitbake/lib/bb/fetch2/gitsm.py
@@ -78,7 +78,7 @@
                     module_hash = ""
 
                 if not module_hash:
-                    logger.debug(1, "submodule %s is defined, but is not initialized in the repository. Skipping", m)
+                    logger.debug("submodule %s is defined, but is not initialized in the repository. Skipping", m)
                     continue
 
                 submodules.append(m)
@@ -179,7 +179,7 @@
                             (ud.basecmd, ud.revisions[ud.names[0]]), d, workdir=ud.clonedir)
 
         if len(need_update_list) > 0:
-            logger.debug(1, 'gitsm: Submodules requiring update: %s' % (' '.join(need_update_list)))
+            logger.debug('gitsm: Submodules requiring update: %s' % (' '.join(need_update_list)))
             return True
 
         return False
diff --git a/poky/bitbake/lib/bb/fetch2/hg.py b/poky/bitbake/lib/bb/fetch2/hg.py
index 8f50370..063e130 100644
--- a/poky/bitbake/lib/bb/fetch2/hg.py
+++ b/poky/bitbake/lib/bb/fetch2/hg.py
@@ -150,7 +150,7 @@
     def download(self, ud, d):
         """Fetch url"""
 
-        logger.debug(2, "Fetch: checking for module directory '" + ud.moddir + "'")
+        logger.debug2("Fetch: checking for module directory '" + ud.moddir + "'")
 
         # If the checkout doesn't exist and the mirror tarball does, extract it
         if not os.path.exists(ud.pkgdir) and os.path.exists(ud.fullmirror):
@@ -160,7 +160,7 @@
         if os.access(os.path.join(ud.moddir, '.hg'), os.R_OK):
             # Found the source, check whether need pull
             updatecmd = self._buildhgcommand(ud, d, "update")
-            logger.debug(1, "Running %s", updatecmd)
+            logger.debug("Running %s", updatecmd)
             try:
                 runfetchcmd(updatecmd, d, workdir=ud.moddir)
             except bb.fetch2.FetchError:
@@ -168,7 +168,7 @@
                 pullcmd = self._buildhgcommand(ud, d, "pull")
                 logger.info("Pulling " + ud.url)
                 # update sources there
-                logger.debug(1, "Running %s", pullcmd)
+                logger.debug("Running %s", pullcmd)
                 bb.fetch2.check_network_access(d, pullcmd, ud.url)
                 runfetchcmd(pullcmd, d, workdir=ud.moddir)
                 try:
@@ -183,14 +183,14 @@
             logger.info("Fetch " + ud.url)
             # check out sources there
             bb.utils.mkdirhier(ud.pkgdir)
-            logger.debug(1, "Running %s", fetchcmd)
+            logger.debug("Running %s", fetchcmd)
             bb.fetch2.check_network_access(d, fetchcmd, ud.url)
             runfetchcmd(fetchcmd, d, workdir=ud.pkgdir)
 
         # Even when we clone (fetch), we still need to update as hg's clone
         # won't checkout the specified revision if its on a branch
         updatecmd = self._buildhgcommand(ud, d, "update")
-        logger.debug(1, "Running %s", updatecmd)
+        logger.debug("Running %s", updatecmd)
         runfetchcmd(updatecmd, d, workdir=ud.moddir)
 
     def clean(self, ud, d):
@@ -247,9 +247,9 @@
         if scmdata != "nokeep":
             proto = ud.parm.get('protocol', 'http')
             if not os.access(os.path.join(codir, '.hg'), os.R_OK):
-                logger.debug(2, "Unpack: creating new hg repository in '" + codir + "'")
+                logger.debug2("Unpack: creating new hg repository in '" + codir + "'")
                 runfetchcmd("%s init %s" % (ud.basecmd, codir), d)
-            logger.debug(2, "Unpack: updating source in '" + codir + "'")
+            logger.debug2("Unpack: updating source in '" + codir + "'")
             if ud.user and ud.pswd:
                 runfetchcmd("%s --config auth.default.prefix=* --config auth.default.username=%s --config auth.default.password=%s --config \"auth.default.schemes=%s\" pull %s" % (ud.basecmd, ud.user, ud.pswd, proto, ud.moddir), d, workdir=codir)
             else:
@@ -259,5 +259,5 @@
             else:
                 runfetchcmd("%s up -C %s" % (ud.basecmd, revflag), d, workdir=codir)
         else:
-            logger.debug(2, "Unpack: extracting source to '" + codir + "'")
+            logger.debug2("Unpack: extracting source to '" + codir + "'")
             runfetchcmd("%s archive -t files %s %s" % (ud.basecmd, revflag, codir), d, workdir=ud.moddir)
diff --git a/poky/bitbake/lib/bb/fetch2/local.py b/poky/bitbake/lib/bb/fetch2/local.py
index 25d4557..e7d1c8c 100644
--- a/poky/bitbake/lib/bb/fetch2/local.py
+++ b/poky/bitbake/lib/bb/fetch2/local.py
@@ -54,12 +54,12 @@
             return [path]
         filespath = d.getVar('FILESPATH')
         if filespath:
-            logger.debug(2, "Searching for %s in paths:\n    %s" % (path, "\n    ".join(filespath.split(":"))))
+            logger.debug2("Searching for %s in paths:\n    %s" % (path, "\n    ".join(filespath.split(":"))))
             newpath, hist = bb.utils.which(filespath, path, history=True)
             searched.extend(hist)
         if not os.path.exists(newpath):
             dldirfile = os.path.join(d.getVar("DL_DIR"), path)
-            logger.debug(2, "Defaulting to %s for %s" % (dldirfile, path))
+            logger.debug2("Defaulting to %s for %s" % (dldirfile, path))
             bb.utils.mkdirhier(os.path.dirname(dldirfile))
             searched.append(dldirfile)
             return searched
diff --git a/poky/bitbake/lib/bb/fetch2/osc.py b/poky/bitbake/lib/bb/fetch2/osc.py
index 3a6cd29..d9ce443 100644
--- a/poky/bitbake/lib/bb/fetch2/osc.py
+++ b/poky/bitbake/lib/bb/fetch2/osc.py
@@ -84,13 +84,13 @@
         Fetch url
         """
 
-        logger.debug(2, "Fetch: checking for module directory '" + ud.moddir + "'")
+        logger.debug2("Fetch: checking for module directory '" + ud.moddir + "'")
 
         if os.access(os.path.join(d.getVar('OSCDIR'), ud.path, ud.module), os.R_OK):
             oscupdatecmd = self._buildosccommand(ud, d, "update")
             logger.info("Update "+ ud.url)
             # update sources there
-            logger.debug(1, "Running %s", oscupdatecmd)
+            logger.debug("Running %s", oscupdatecmd)
             bb.fetch2.check_network_access(d, oscupdatecmd, ud.url)
             runfetchcmd(oscupdatecmd, d, workdir=ud.moddir)
         else:
@@ -98,7 +98,7 @@
             logger.info("Fetch " + ud.url)
             # check out sources there
             bb.utils.mkdirhier(ud.pkgdir)
-            logger.debug(1, "Running %s", oscfetchcmd)
+            logger.debug("Running %s", oscfetchcmd)
             bb.fetch2.check_network_access(d, oscfetchcmd, ud.url)
             runfetchcmd(oscfetchcmd, d, workdir=ud.pkgdir)
 
diff --git a/poky/bitbake/lib/bb/fetch2/perforce.py b/poky/bitbake/lib/bb/fetch2/perforce.py
index 6f3c95b..e2a41a4 100644
--- a/poky/bitbake/lib/bb/fetch2/perforce.py
+++ b/poky/bitbake/lib/bb/fetch2/perforce.py
@@ -90,16 +90,16 @@
         p4port = d.getVar('P4PORT')
 
         if p4port:
-            logger.debug(1, 'Using recipe provided P4PORT: %s' % p4port)
+            logger.debug('Using recipe provided P4PORT: %s' % p4port)
             ud.host = p4port
         else:
-            logger.debug(1, 'Trying to use P4CONFIG to automatically set P4PORT...')
+            logger.debug('Trying to use P4CONFIG to automatically set P4PORT...')
             ud.usingp4config = True
             p4cmd = '%s info | grep "Server address"' % ud.basecmd
             bb.fetch2.check_network_access(d, p4cmd, ud.url)
             ud.host = runfetchcmd(p4cmd, d, True)
             ud.host = ud.host.split(': ')[1].strip()
-            logger.debug(1, 'Determined P4PORT to be: %s' % ud.host)
+            logger.debug('Determined P4PORT to be: %s' % ud.host)
             if not ud.host:
                 raise FetchError('Could not determine P4PORT from P4CONFIG')
 
@@ -119,6 +119,7 @@
         cleanedpath = ud.path.replace('/...', '').replace('/', '.')
         cleanedhost = ud.host.replace(':', '.')
 
+        cleanedmodule = ""
         # Merge the path and module into the final depot location
         if ud.module:
             if ud.module.find('/') == 0:
@@ -133,7 +134,7 @@
 
         ud.setup_revisions(d)
 
-        ud.localfile = d.expand('%s_%s_%s.tar.gz' % (cleanedhost, cleanedpath, ud.revision))
+        ud.localfile = d.expand('%s_%s_%s_%s.tar.gz' % (cleanedhost, cleanedpath, cleandedmodule, ud.revision))
 
     def _buildp4command(self, ud, d, command, depot_filename=None):
         """
@@ -207,7 +208,7 @@
         for filename in p4fileslist:
             item = filename.split(' - ')
             lastaction = item[1].split()
-            logger.debug(1, 'File: %s Last Action: %s' % (item[0], lastaction[0]))
+            logger.debug('File: %s Last Action: %s' % (item[0], lastaction[0]))
             if lastaction[0] == 'delete':
                 continue
             filelist.append(item[0])
@@ -254,7 +255,7 @@
             raise FetchError('Could not determine the latest perforce changelist')
 
         tipcset = tip.split(' ')[1]
-        logger.debug(1, 'p4 tip found to be changelist %s' % tipcset)
+        logger.debug('p4 tip found to be changelist %s' % tipcset)
         return tipcset
 
     def sortable_revision(self, ud, d, name):
diff --git a/poky/bitbake/lib/bb/fetch2/repo.py b/poky/bitbake/lib/bb/fetch2/repo.py
index 2bdbbd4..fa4cb81 100644
--- a/poky/bitbake/lib/bb/fetch2/repo.py
+++ b/poky/bitbake/lib/bb/fetch2/repo.py
@@ -47,7 +47,7 @@
         """Fetch url"""
 
         if os.access(os.path.join(d.getVar("DL_DIR"), ud.localfile), os.R_OK):
-            logger.debug(1, "%s already exists (or was stashed). Skipping repo init / sync.", ud.localpath)
+            logger.debug("%s already exists (or was stashed). Skipping repo init / sync.", ud.localpath)
             return
 
         repodir = d.getVar("REPODIR") or (d.getVar("DL_DIR") + "/repo")
diff --git a/poky/bitbake/lib/bb/fetch2/svn.py b/poky/bitbake/lib/bb/fetch2/svn.py
index 971a5ad..8856ef1 100644
--- a/poky/bitbake/lib/bb/fetch2/svn.py
+++ b/poky/bitbake/lib/bb/fetch2/svn.py
@@ -116,7 +116,7 @@
     def download(self, ud, d):
         """Fetch url"""
 
-        logger.debug(2, "Fetch: checking for module directory '" + ud.moddir + "'")
+        logger.debug2("Fetch: checking for module directory '" + ud.moddir + "'")
 
         lf = bb.utils.lockfile(ud.svnlock)
 
@@ -129,7 +129,7 @@
                     runfetchcmd(ud.basecmd + " upgrade", d, workdir=ud.moddir)
                 except FetchError:
                     pass
-                logger.debug(1, "Running %s", svncmd)
+                logger.debug("Running %s", svncmd)
                 bb.fetch2.check_network_access(d, svncmd, ud.url)
                 runfetchcmd(svncmd, d, workdir=ud.moddir)
             else:
@@ -137,7 +137,7 @@
                 logger.info("Fetch " + ud.url)
                 # check out sources there
                 bb.utils.mkdirhier(ud.pkgdir)
-                logger.debug(1, "Running %s", svncmd)
+                logger.debug("Running %s", svncmd)
                 bb.fetch2.check_network_access(d, svncmd, ud.url)
                 runfetchcmd(svncmd, d, workdir=ud.pkgdir)
 
diff --git a/poky/bitbake/lib/bb/fetch2/wget.py b/poky/bitbake/lib/bb/fetch2/wget.py
index e6d9f52..78a4967 100644
--- a/poky/bitbake/lib/bb/fetch2/wget.py
+++ b/poky/bitbake/lib/bb/fetch2/wget.py
@@ -52,6 +52,12 @@
 
 
 class Wget(FetchMethod):
+
+    # CDNs like CloudFlare may do a 'browser integrity test' which can fail
+    # with the standard wget/urllib User-Agent, so pretend to be a modern
+    # browser.
+    user_agent = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0"
+
     """Class to fetch urls via 'wget'"""
     def supports(self, ud, d):
         """
@@ -82,7 +88,7 @@
 
         progresshandler = WgetProgressHandler(d)
 
-        logger.debug(2, "Fetching %s using command '%s'" % (ud.url, command))
+        logger.debug2("Fetching %s using command '%s'" % (ud.url, command))
         bb.fetch2.check_network_access(d, command, ud.url)
         runfetchcmd(command + ' --progress=dot -v', d, quiet, log=progresshandler, workdir=workdir)
 
@@ -297,7 +303,7 @@
             # Some servers (FusionForge, as used on Alioth) require that the
             # optional Accept header is set.
             r.add_header("Accept", "*/*")
-            r.add_header("User-Agent", "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.12) Gecko/20101027 Ubuntu/9.10 (karmic) Firefox/3.6.12")
+            r.add_header("User-Agent", self.user_agent)
             def add_basic_auth(login_str, request):
                 '''Adds Basic auth to http request, pass in login:password as string'''
                 import base64
@@ -320,11 +326,11 @@
                 pass
         except urllib.error.URLError as e:
             if try_again:
-                logger.debug(2, "checkstatus: trying again")
+                logger.debug2("checkstatus: trying again")
                 return self.checkstatus(fetch, ud, d, False)
             else:
                 # debug for now to avoid spamming the logs in e.g. remote sstate searches
-                logger.debug(2, "checkstatus() urlopen failed: %s" % e)
+                logger.debug2("checkstatus() urlopen failed: %s" % e)
                 return False
         return True
 
@@ -401,9 +407,8 @@
         """
         f = tempfile.NamedTemporaryFile()
         with tempfile.TemporaryDirectory(prefix="wget-index-") as workdir, tempfile.NamedTemporaryFile(dir=workdir, prefix="wget-listing-") as f:
-            agent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.12) Gecko/20101027 Ubuntu/9.10 (karmic) Firefox/3.6.12"
             fetchcmd = self.basecmd
-            fetchcmd += " -O " + f.name + " --user-agent='" + agent + "' '" + uri + "'"
+            fetchcmd += " -O " + f.name + " --user-agent='" + self.user_agent + "' '" + uri + "'"
             try:
                 self._runwget(ud, d, fetchcmd, True, workdir=workdir)
                 fetchresult = f.read()
diff --git a/poky/bitbake/lib/bb/parse/__init__.py b/poky/bitbake/lib/bb/parse/__init__.py
index 76e180b..c01807b 100644
--- a/poky/bitbake/lib/bb/parse/__init__.py
+++ b/poky/bitbake/lib/bb/parse/__init__.py
@@ -71,7 +71,7 @@
 
 def update_cache(f):
     if f in __mtime_cache:
-        logger.debug(1, "Updating mtime cache for %s" % f)
+        logger.debug("Updating mtime cache for %s" % f)
         update_mtime(f)
 
 def clear_cache():
diff --git a/poky/bitbake/lib/bb/parse/ast.py b/poky/bitbake/lib/bb/parse/ast.py
index 0714296..0596993 100644
--- a/poky/bitbake/lib/bb/parse/ast.py
+++ b/poky/bitbake/lib/bb/parse/ast.py
@@ -34,7 +34,7 @@
         Include the file and evaluate the statements
         """
         s = data.expand(self.what_file)
-        logger.debug(2, "CONF %s:%s: including %s", self.filename, self.lineno, s)
+        logger.debug2("CONF %s:%s: including %s", self.filename, self.lineno, s)
 
         # TODO: Cache those includes... maybe not here though
         if self.force:
@@ -376,7 +376,7 @@
 def multi_finalize(fn, d):
     appends = (d.getVar("__BBAPPEND") or "").split()
     for append in appends:
-        logger.debug(1, "Appending .bbappend file %s to %s", append, fn)
+        logger.debug("Appending .bbappend file %s to %s", append, fn)
         bb.parse.BBHandler.handle(append, d, True)
 
     onlyfinalise = d.getVar("__ONLYFINALISE", False)
diff --git a/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py b/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
index 8a520e3..f8988b8 100644
--- a/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
+++ b/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
@@ -22,7 +22,7 @@
 # For compatibility
 bb.deprecate_import(__name__, "bb.parse", ["vars_from_file"])
 
-__func_start_regexp__    = re.compile(r"(((?P<py>python)|(?P<fr>fakeroot))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
+__func_start_regexp__    = re.compile(r"(((?P<py>python(?=(\s|\()))|(?P<fr>fakeroot(?=\s)))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
 __inherit_regexp__       = re.compile(r"inherit\s+(.+)" )
 __export_func_regexp__   = re.compile(r"EXPORT_FUNCTIONS\s+(.+)" )
 __addtask_regexp__       = re.compile(r"addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*")
@@ -60,7 +60,7 @@
                 file = abs_fn
 
         if not file in __inherit_cache:
-            logger.debug(1, "Inheriting %s (from %s:%d)" % (file, fn, lineno))
+            logger.debug("Inheriting %s (from %s:%d)" % (file, fn, lineno))
             __inherit_cache.append( file )
             d.setVar('__inherit_cache', __inherit_cache)
             include(fn, file, lineno, d, "inherit")
diff --git a/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py b/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
index af64d34..f171c5c 100644
--- a/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
+++ b/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
@@ -95,7 +95,7 @@
         if exc.errno == errno.ENOENT:
             if error_out:
                 raise ParseError("Could not %s file %s" % (error_out, fn), parentfn, lineno)
-            logger.debug(2, "CONF file '%s' not found", fn)
+            logger.debug2("CONF file '%s' not found", fn)
         else:
             if error_out:
                 raise ParseError("Could not %s file %s: %s" % (error_out, fn, exc.strerror), parentfn, lineno)
diff --git a/poky/bitbake/lib/bb/persist_data.py b/poky/bitbake/lib/bb/persist_data.py
index 5f4fbe3..c6a209f 100644
--- a/poky/bitbake/lib/bb/persist_data.py
+++ b/poky/bitbake/lib/bb/persist_data.py
@@ -248,7 +248,7 @@
                       stacklevel=2)
 
         self.data = persist(d)
-        logger.debug(1, "Using '%s' as the persistent data cache",
+        logger.debug("Using '%s' as the persistent data cache",
                      self.data.filename)
 
     def addDomain(self, domain):
diff --git a/poky/bitbake/lib/bb/providers.py b/poky/bitbake/lib/bb/providers.py
index 3f66a3d..0c87dfd 100644
--- a/poky/bitbake/lib/bb/providers.py
+++ b/poky/bitbake/lib/bb/providers.py
@@ -165,7 +165,7 @@
                 available_vers.sort()
                 logger.warn("versions of %s available: %s", pn, ' '.join(available_vers))
         else:
-            logger.debug(1, "selecting %s as PREFERRED_VERSION %s of package %s%s", preferred_file, pv_str, pn, itemstr)
+            logger.debug("selecting %s as PREFERRED_VERSION %s of package %s%s", preferred_file, pv_str, pn, itemstr)
 
     return (preferred_ver, preferred_file)
 
@@ -232,7 +232,7 @@
             pkg_pn[pn] = []
         pkg_pn[pn].append(p)
 
-    logger.debug(1, "providers for %s are: %s", item, list(sorted(pkg_pn.keys())))
+    logger.debug("providers for %s are: %s", item, list(sorted(pkg_pn.keys())))
 
     # First add PREFERRED_VERSIONS
     for pn in sorted(pkg_pn):
@@ -291,7 +291,7 @@
                 foundUnique = True
                 break
 
-    logger.debug(1, "sorted providers for %s are: %s", item, eligible)
+    logger.debug("sorted providers for %s are: %s", item, eligible)
 
     return eligible, foundUnique
 
@@ -333,7 +333,7 @@
             provides = dataCache.pn_provides[pn]
             for provide in provides:
                 prefervar = cfgData.getVar('PREFERRED_PROVIDER_%s' % provide)
-                #logger.debug(1, "checking PREFERRED_PROVIDER_%s (value %s) against %s", provide, prefervar, pns.keys())
+                #logger.debug("checking PREFERRED_PROVIDER_%s (value %s) against %s", provide, prefervar, pns.keys())
                 if prefervar in pns and pns[prefervar] not in preferred:
                     var = "PREFERRED_PROVIDER_%s = %s" % (provide, prefervar)
                     logger.verbose("selecting %s to satisfy runtime %s due to %s", prefervar, item, var)
@@ -349,7 +349,7 @@
     if numberPreferred > 1:
         logger.error("Trying to resolve runtime dependency %s resulted in conflicting PREFERRED_PROVIDER entries being found.\nThe providers found were: %s\nThe PREFERRED_PROVIDER entries resulting in this conflict were: %s. You could set PREFERRED_RPROVIDER_%s" % (item, preferred, preferred_vars, item))
 
-    logger.debug(1, "sorted runtime providers for %s are: %s", item, eligible)
+    logger.debug("sorted runtime providers for %s are: %s", item, eligible)
 
     return eligible, numberPreferred
 
@@ -384,7 +384,7 @@
             regexp_cache[pattern] = regexp
         if regexp.match(rdepend):
             rproviders += dataCache.packages_dynamic[pattern]
-            logger.debug(1, "Assuming %s is a dynamic package, but it may not exist" % rdepend)
+            logger.debug("Assuming %s is a dynamic package, but it may not exist" % rdepend)
 
     return rproviders
 
@@ -396,22 +396,22 @@
     if dataCache.world_target:
         return
 
-    logger.debug(1, "collating packages for \"world\"")
+    logger.debug("collating packages for \"world\"")
     for f in dataCache.possible_world:
         terminal = True
         pn = dataCache.pkg_fn[f]
         if task and task not in dataCache.task_deps[f]['tasks']:
-            logger.debug(2, "World build skipping %s as task %s doesn't exist", f, task)
+            logger.debug2("World build skipping %s as task %s doesn't exist", f, task)
             terminal = False
 
         for p in dataCache.pn_provides[pn]:
             if p.startswith('virtual/'):
-                logger.debug(2, "World build skipping %s due to %s provider starting with virtual/", f, p)
+                logger.debug2("World build skipping %s due to %s provider starting with virtual/", f, p)
                 terminal = False
                 break
             for pf in dataCache.providers[p]:
                 if dataCache.pkg_fn[pf] != pn:
-                    logger.debug(2, "World build skipping %s due to both us and %s providing %s", f, pf, p)
+                    logger.debug2("World build skipping %s due to both us and %s providing %s", f, pf, p)
                     terminal = False
                     break
         if terminal:
diff --git a/poky/bitbake/lib/bb/runqueue.py b/poky/bitbake/lib/bb/runqueue.py
index 28bdadb..2f521e5 100644
--- a/poky/bitbake/lib/bb/runqueue.py
+++ b/poky/bitbake/lib/bb/runqueue.py
@@ -38,7 +38,7 @@
     return tid.rsplit(":", 1)[1]
 
 def mc_from_tid(tid):
-    if tid.startswith('mc:'):
+    if tid.startswith('mc:') and tid.count(':') >= 2:
         return tid.split(':')[1]
     return ""
 
@@ -47,13 +47,13 @@
     return (mc, fn, taskname)
 
 def split_mc(n):
-    if n.startswith("mc:"):
+    if n.startswith("mc:") and n.count(':') >= 2:
         _, mc, n = n.split(":", 2)
         return (mc, n)
     return ('', n)
 
 def split_tid_mcfn(tid):
-    if tid.startswith('mc:'):
+    if tid.startswith('mc:') and tid.count(':') >= 2:
         elems = tid.split(':')
         mc = elems[1]
         fn = ":".join(elems[2:-1])
@@ -544,8 +544,8 @@
         for tid in self.runtaskentries:
             if task_done[tid] is False or deps_left[tid] != 0:
                 problem_tasks.append(tid)
-                logger.debug(2, "Task %s is not buildable", tid)
-                logger.debug(2, "(Complete marker was %s and the remaining dependency count was %s)\n", task_done[tid], deps_left[tid])
+                logger.debug2("Task %s is not buildable", tid)
+                logger.debug2("(Complete marker was %s and the remaining dependency count was %s)\n", task_done[tid], deps_left[tid])
             self.runtaskentries[tid].weight = weight[tid]
 
         if problem_tasks:
@@ -643,7 +643,7 @@
                 (mc, fn, taskname, taskfn) = split_tid_mcfn(tid)
                 #runtid = build_tid(mc, fn, taskname)
 
-                #logger.debug(2, "Processing %s,%s:%s", mc, fn, taskname)
+                #logger.debug2("Processing %s,%s:%s", mc, fn, taskname)
 
                 depends = set()
                 task_deps = self.dataCaches[mc].task_deps[taskfn]
@@ -1199,9 +1199,9 @@
         """
         Dump some debug information on the internal data structures
         """
-        logger.debug(3, "run_tasks:")
+        logger.debug3("run_tasks:")
         for tid in self.runtaskentries:
-            logger.debug(3, " %s: %s   Deps %s RevDeps %s", tid,
+            logger.debug3(" %s: %s   Deps %s RevDeps %s", tid,
                          self.runtaskentries[tid].weight,
                          self.runtaskentries[tid].depends,
                          self.runtaskentries[tid].revdeps)
@@ -1238,7 +1238,7 @@
         self.fakeworker = {}
 
     def _start_worker(self, mc, fakeroot = False, rqexec = None):
-        logger.debug(1, "Starting bitbake-worker")
+        logger.debug("Starting bitbake-worker")
         magic = "decafbad"
         if self.cooker.configuration.profile:
             magic = "decafbadbad"
@@ -1283,7 +1283,7 @@
     def _teardown_worker(self, worker):
         if not worker:
             return
-        logger.debug(1, "Teardown for bitbake-worker")
+        logger.debug("Teardown for bitbake-worker")
         try:
            worker.process.stdin.write(b"<quit></quit>")
            worker.process.stdin.flush()
@@ -1356,12 +1356,12 @@
 
         # If the stamp is missing, it's not current
         if not os.access(stampfile, os.F_OK):
-            logger.debug(2, "Stampfile %s not available", stampfile)
+            logger.debug2("Stampfile %s not available", stampfile)
             return False
         # If it's a 'nostamp' task, it's not current
         taskdep = self.rqdata.dataCaches[mc].task_deps[taskfn]
         if 'nostamp' in taskdep and taskname in taskdep['nostamp']:
-            logger.debug(2, "%s.%s is nostamp\n", fn, taskname)
+            logger.debug2("%s.%s is nostamp\n", fn, taskname)
             return False
 
         if taskname != "do_setscene" and taskname.endswith("_setscene"):
@@ -1385,18 +1385,18 @@
                     continue
                 if fn == fn2 or (fulldeptree and fn2 not in stampwhitelist):
                     if not t2:
-                        logger.debug(2, 'Stampfile %s does not exist', stampfile2)
+                        logger.debug2('Stampfile %s does not exist', stampfile2)
                         iscurrent = False
                         break
                     if t1 < t2:
-                        logger.debug(2, 'Stampfile %s < %s', stampfile, stampfile2)
+                        logger.debug2('Stampfile %s < %s', stampfile, stampfile2)
                         iscurrent = False
                         break
                     if recurse and iscurrent:
                         if dep in cache:
                             iscurrent = cache[dep]
                             if not iscurrent:
-                                logger.debug(2, 'Stampfile for dependency %s:%s invalid (cached)' % (fn2, taskname2))
+                                logger.debug2('Stampfile for dependency %s:%s invalid (cached)' % (fn2, taskname2))
                         else:
                             iscurrent = self.check_stamp_task(dep, recurse=True, cache=cache)
                             cache[dep] = iscurrent
@@ -1761,7 +1761,7 @@
         for scheduler in schedulers:
             if self.scheduler == scheduler.name:
                 self.sched = scheduler(self, self.rqdata)
-                logger.debug(1, "Using runqueue scheduler '%s'", scheduler.name)
+                logger.debug("Using runqueue scheduler '%s'", scheduler.name)
                 break
         else:
             bb.fatal("Invalid scheduler '%s'.  Available schedulers: %s" %
@@ -1899,7 +1899,7 @@
                     break
             if alldeps:
                 self.setbuildable(revdep)
-                logger.debug(1, "Marking task %s as buildable", revdep)
+                logger.debug("Marking task %s as buildable", revdep)
 
     def task_complete(self, task):
         self.stats.taskCompleted()
@@ -1929,7 +1929,7 @@
     def summarise_scenequeue_errors(self):
         err = False
         if not self.sqdone:
-            logger.debug(1, 'We could skip tasks %s', "\n".join(sorted(self.scenequeue_covered)))
+            logger.debug('We could skip tasks %s', "\n".join(sorted(self.scenequeue_covered)))
             completeevent = sceneQueueComplete(self.sq_stats, self.rq)
             bb.event.fire(completeevent, self.cfgData)
         if self.sq_deferred:
@@ -1986,7 +1986,7 @@
                 if nexttask in self.sq_buildable and nexttask not in self.sq_running and self.sqdata.stamps[nexttask] not in self.build_stamps.values():
                     if nexttask not in self.sqdata.unskippable and len(self.sqdata.sq_revdeps[nexttask]) > 0 and self.sqdata.sq_revdeps[nexttask].issubset(self.scenequeue_covered) and self.check_dependencies(nexttask, self.sqdata.sq_revdeps[nexttask]):
                         if nexttask not in self.rqdata.target_tids:
-                            logger.debug(2, "Skipping setscene for task %s" % nexttask)
+                            logger.debug2("Skipping setscene for task %s" % nexttask)
                             self.sq_task_skip(nexttask)
                             self.scenequeue_notneeded.add(nexttask)
                             if nexttask in self.sq_deferred:
@@ -1999,28 +1999,28 @@
                     if nexttask in self.sq_deferred:
                         if self.sq_deferred[nexttask] not in self.runq_complete:
                             continue
-                        logger.debug(1, "Task %s no longer deferred" % nexttask)
+                        logger.debug("Task %s no longer deferred" % nexttask)
                         del self.sq_deferred[nexttask]
                         valid = self.rq.validate_hashes(set([nexttask]), self.cooker.data, 0, False, summary=False)
                         if not valid:
-                            logger.debug(1, "%s didn't become valid, skipping setscene" % nexttask)
+                            logger.debug("%s didn't become valid, skipping setscene" % nexttask)
                             self.sq_task_failoutright(nexttask)
                             return True
                         else:
                             self.sqdata.outrightfail.remove(nexttask)
                     if nexttask in self.sqdata.outrightfail:
-                        logger.debug(2, 'No package found, so skipping setscene task %s', nexttask)
+                        logger.debug2('No package found, so skipping setscene task %s', nexttask)
                         self.sq_task_failoutright(nexttask)
                         return True
                     if nexttask in self.sqdata.unskippable:
-                        logger.debug(2, "Setscene task %s is unskippable" % nexttask)
+                        logger.debug2("Setscene task %s is unskippable" % nexttask)
                     task = nexttask
                     break
         if task is not None:
             (mc, fn, taskname, taskfn) = split_tid_mcfn(task)
             taskname = taskname + "_setscene"
             if self.rq.check_stamp_task(task, taskname_from_tid(task), recurse = True, cache=self.stampcache):
-                logger.debug(2, 'Stamp for underlying task %s is current, so skipping setscene variant', task)
+                logger.debug2('Stamp for underlying task %s is current, so skipping setscene variant', task)
                 self.sq_task_failoutright(task)
                 return True
 
@@ -2030,12 +2030,12 @@
                     return True
 
             if self.rq.check_stamp_task(task, taskname, cache=self.stampcache):
-                logger.debug(2, 'Setscene stamp current task %s, so skip it and its dependencies', task)
+                logger.debug2('Setscene stamp current task %s, so skip it and its dependencies', task)
                 self.sq_task_skip(task)
                 return True
 
             if self.cooker.configuration.skipsetscene:
-                logger.debug(2, 'No setscene tasks should be executed. Skipping %s', task)
+                logger.debug2('No setscene tasks should be executed. Skipping %s', task)
                 self.sq_task_failoutright(task)
                 return True
 
@@ -2097,12 +2097,12 @@
                     return True
 
             if task in self.tasks_covered:
-                logger.debug(2, "Setscene covered task %s", task)
+                logger.debug2("Setscene covered task %s", task)
                 self.task_skip(task, "covered")
                 return True
 
             if self.rq.check_stamp_task(task, taskname, cache=self.stampcache):
-                logger.debug(2, "Stamp current task %s", task)
+                logger.debug2("Stamp current task %s", task)
 
                 self.task_skip(task, "existing")
                 self.runq_tasksrun.add(task)
@@ -2322,7 +2322,7 @@
                     remapped = True
 
                 if not remapped:
-                    #logger.debug(1, "Task %s hash changes: %s->%s %s->%s" % (tid, orighash, newhash, origuni, newuni))
+                    #logger.debug("Task %s hash changes: %s->%s %s->%s" % (tid, orighash, newhash, origuni, newuni))
                     self.rqdata.runtaskentries[tid].hash = newhash
                     self.rqdata.runtaskentries[tid].unihash = newuni
                     changed.add(tid)
@@ -2337,7 +2337,7 @@
             for mc in self.rq.fakeworker:
                 self.rq.fakeworker[mc].process.stdin.write(b"<newtaskhashes>" + pickle.dumps(bb.parse.siggen.get_taskhashes()) + b"</newtaskhashes>")
 
-            hashequiv_logger.debug(1, pprint.pformat("Tasks changed:\n%s" % (changed)))
+            hashequiv_logger.debug(pprint.pformat("Tasks changed:\n%s" % (changed)))
 
         for tid in changed:
             if tid not in self.rqdata.runq_setscene_tids:
@@ -2356,7 +2356,7 @@
             # Check no tasks this covers are running
             for dep in self.sqdata.sq_covered_tasks[tid]:
                 if dep in self.runq_running and dep not in self.runq_complete:
-                    hashequiv_logger.debug(2, "Task %s is running which blocks setscene for %s from running" % (dep, tid))
+                    hashequiv_logger.debug2("Task %s is running which blocks setscene for %s from running" % (dep, tid))
                     valid = False
                     break
             if not valid:
@@ -2430,7 +2430,7 @@
 
         for dep in sorted(self.sqdata.sq_deps[task]):
             if fail and task in self.sqdata.sq_harddeps and dep in self.sqdata.sq_harddeps[task]:
-                logger.debug(2, "%s was unavailable and is a hard dependency of %s so skipping" % (task, dep))
+                logger.debug2("%s was unavailable and is a hard dependency of %s so skipping" % (task, dep))
                 self.sq_task_failoutright(dep)
                 continue
             if self.sqdata.sq_revdeps[dep].issubset(self.scenequeue_covered | self.scenequeue_notcovered):
@@ -2460,7 +2460,7 @@
         completed dependencies as buildable
         """
 
-        logger.debug(1, 'Found task %s which could be accelerated', task)
+        logger.debug('Found task %s which could be accelerated', task)
         self.scenequeue_covered.add(task)
         self.scenequeue_updatecounters(task)
 
@@ -2775,13 +2775,13 @@
             continue
 
         if rq.check_stamp_task(tid, taskname + "_setscene", cache=stampcache):
-            logger.debug(2, 'Setscene stamp current for task %s', tid)
+            logger.debug2('Setscene stamp current for task %s', tid)
             sqdata.stamppresent.add(tid)
             sqrq.sq_task_skip(tid)
             continue
 
         if rq.check_stamp_task(tid, taskname, recurse = True, cache=stampcache):
-            logger.debug(2, 'Normal stamp current for task %s', tid)
+            logger.debug2('Normal stamp current for task %s', tid)
             sqdata.stamppresent.add(tid)
             sqrq.sq_task_skip(tid)
             continue
diff --git a/poky/bitbake/lib/bb/siggen.py b/poky/bitbake/lib/bb/siggen.py
index 0ac3952..0d88c6e 100644
--- a/poky/bitbake/lib/bb/siggen.py
+++ b/poky/bitbake/lib/bb/siggen.py
@@ -541,7 +541,7 @@
                 # is much more interesting, so it is reported at debug level 1
                 hashequiv_logger.debug((1, 2)[unihash == taskhash], 'Found unihash %s in place of %s for %s from %s' % (unihash, taskhash, tid, self.server))
             else:
-                hashequiv_logger.debug(2, 'No reported unihash for %s:%s from %s' % (tid, taskhash, self.server))
+                hashequiv_logger.debug2('No reported unihash for %s:%s from %s' % (tid, taskhash, self.server))
         except hashserv.client.HashConnectionError as e:
             bb.warn('Error contacting Hash Equivalence Server %s: %s' % (self.server, str(e)))
 
@@ -615,12 +615,12 @@
                 new_unihash = data['unihash']
 
                 if new_unihash != unihash:
-                    hashequiv_logger.debug(1, 'Task %s unihash changed %s -> %s by server %s' % (taskhash, unihash, new_unihash, self.server))
+                    hashequiv_logger.debug('Task %s unihash changed %s -> %s by server %s' % (taskhash, unihash, new_unihash, self.server))
                     bb.event.fire(bb.runqueue.taskUniHashUpdate(fn + ':do_' + task, new_unihash), d)
                     self.set_unihash(tid, new_unihash)
                     d.setVar('BB_UNIHASH', new_unihash)
                 else:
-                    hashequiv_logger.debug(1, 'Reported task %s as unihash %s to %s' % (taskhash, unihash, self.server))
+                    hashequiv_logger.debug('Reported task %s as unihash %s to %s' % (taskhash, unihash, self.server))
             except hashserv.client.HashConnectionError as e:
                 bb.warn('Error contacting Hash Equivalence Server %s: %s' % (self.server, str(e)))
         finally:
@@ -748,7 +748,7 @@
     if basepath[0] == '/':
         return cleaned
 
-    if basepath.startswith("mc:"):
+    if basepath.startswith("mc:") and basepath.count(':') >= 2:
         mc, mc_name, basepath = basepath.split(":", 2)
         mc_suffix = ':mc:' + mc_name
     else:
diff --git a/poky/bitbake/lib/bb/taskdata.py b/poky/bitbake/lib/bb/taskdata.py
index ffbaf36..47bad6d 100644
--- a/poky/bitbake/lib/bb/taskdata.py
+++ b/poky/bitbake/lib/bb/taskdata.py
@@ -131,7 +131,7 @@
             for depend in dataCache.deps[fn]:
                 dependids.add(depend)
             self.depids[fn] = list(dependids)
-            logger.debug(2, "Added dependencies %s for %s", str(dataCache.deps[fn]), fn)
+            logger.debug2("Added dependencies %s for %s", str(dataCache.deps[fn]), fn)
 
         # Work out runtime dependencies
         if not fn in self.rdepids:
@@ -149,9 +149,9 @@
                     rreclist.append(rdepend)
                     rdependids.add(rdepend)
             if rdependlist:
-                logger.debug(2, "Added runtime dependencies %s for %s", str(rdependlist), fn)
+                logger.debug2("Added runtime dependencies %s for %s", str(rdependlist), fn)
             if rreclist:
-                logger.debug(2, "Added runtime recommendations %s for %s", str(rreclist), fn)
+                logger.debug2("Added runtime recommendations %s for %s", str(rreclist), fn)
             self.rdepids[fn] = list(rdependids)
 
         for dep in self.depids[fn]:
@@ -378,7 +378,7 @@
         for fn in eligible:
             if fn in self.failed_fns:
                 continue
-            logger.debug(2, "adding %s to satisfy %s", fn, item)
+            logger.debug2("adding %s to satisfy %s", fn, item)
             self.add_build_target(fn, item)
             self.add_tasks(fn, dataCache)
 
@@ -431,7 +431,7 @@
         for fn in eligible:
             if fn in self.failed_fns:
                 continue
-            logger.debug(2, "adding '%s' to satisfy runtime '%s'", fn, item)
+            logger.debug2("adding '%s' to satisfy runtime '%s'", fn, item)
             self.add_runtime_target(fn, item)
             self.add_tasks(fn, dataCache)
 
@@ -446,7 +446,7 @@
             return
         if not missing_list:
             missing_list = []
-        logger.debug(1, "File '%s' is unbuildable, removing...", fn)
+        logger.debug("File '%s' is unbuildable, removing...", fn)
         self.failed_fns.append(fn)
         for target in self.build_targets:
             if fn in self.build_targets[target]:
@@ -526,7 +526,7 @@
                     added = added + 1
                 except (bb.providers.NoRProvider, bb.providers.MultipleRProvider):
                     self.remove_runtarget(target)
-            logger.debug(1, "Resolved " + str(added) + " extra dependencies")
+            logger.debug("Resolved " + str(added) + " extra dependencies")
             if added == 0:
                 break
         # self.dump_data()
@@ -549,38 +549,38 @@
         """
         Dump some debug information on the internal data structures
         """
-        logger.debug(3, "build_names:")
-        logger.debug(3, ", ".join(self.build_targets))
+        logger.debug3("build_names:")
+        logger.debug3(", ".join(self.build_targets))
 
-        logger.debug(3, "run_names:")
-        logger.debug(3, ", ".join(self.run_targets))
+        logger.debug3("run_names:")
+        logger.debug3(", ".join(self.run_targets))
 
-        logger.debug(3, "build_targets:")
+        logger.debug3("build_targets:")
         for target in self.build_targets:
             targets = "None"
             if target in self.build_targets:
                 targets = self.build_targets[target]
-            logger.debug(3, " %s: %s", target, targets)
+            logger.debug3(" %s: %s", target, targets)
 
-        logger.debug(3, "run_targets:")
+        logger.debug3("run_targets:")
         for target in self.run_targets:
             targets = "None"
             if target in self.run_targets:
                 targets = self.run_targets[target]
-            logger.debug(3, " %s: %s", target, targets)
+            logger.debug3(" %s: %s", target, targets)
 
-        logger.debug(3, "tasks:")
+        logger.debug3("tasks:")
         for tid in self.taskentries:
-            logger.debug(3, " %s: %s %s %s",
+            logger.debug3(" %s: %s %s %s",
                        tid,
                        self.taskentries[tid].idepends,
                        self.taskentries[tid].irdepends,
                        self.taskentries[tid].tdepends)
 
-        logger.debug(3, "dependency ids (per fn):")
+        logger.debug3("dependency ids (per fn):")
         for fn in self.depids:
-            logger.debug(3, " %s: %s", fn, self.depids[fn])
+            logger.debug3(" %s: %s", fn, self.depids[fn])
 
-        logger.debug(3, "runtime dependency ids (per fn):")
+        logger.debug3("runtime dependency ids (per fn):")
         for fn in self.rdepids:
-            logger.debug(3, " %s: %s", fn, self.rdepids[fn])
+            logger.debug3(" %s: %s", fn, self.rdepids[fn])
diff --git a/poky/bitbake/lib/bb/tests/fetch.py b/poky/bitbake/lib/bb/tests/fetch.py
index da17d7f..7b2dac7 100644
--- a/poky/bitbake/lib/bb/tests/fetch.py
+++ b/poky/bitbake/lib/bb/tests/fetch.py
@@ -87,6 +87,25 @@
             },
             'relative': False
         },
+        # Check that trailing semicolons are handled correctly
+        "http://www.example.org/index.html?qparam1=qvalue1;param2=value2;" : {
+            'uri': 'http://www.example.org/index.html?qparam1=qvalue1;param2=value2',
+            'scheme': 'http',
+            'hostname': 'www.example.org',
+            'port': None,
+            'hostport': 'www.example.org',
+            'path': '/index.html',
+            'userinfo': '',
+            'username': '',
+            'password': '',
+            'params': {
+                'param2': 'value2'
+            },
+            'query': {
+                'qparam1': 'qvalue1'
+            },
+            'relative': False
+        },
         "http://www.example.com:8080/index.html" : {
             'uri': 'http://www.example.com:8080/index.html',
             'scheme': 'http',
@@ -654,6 +673,58 @@
         with self.assertRaises(bb.fetch2.UnpackError):
             self.fetchUnpack(['file://a;subdir=/bin/sh'])
 
+    def test_local_gitfetch_usehead(self):
+        # Create dummy local Git repo
+        src_dir = tempfile.mkdtemp(dir=self.tempdir,
+                                   prefix='gitfetch_localusehead_')
+        src_dir = os.path.abspath(src_dir)
+        bb.process.run("git init", cwd=src_dir)
+        bb.process.run("git commit --allow-empty -m'Dummy commit'",
+                       cwd=src_dir)
+        # Use other branch than master
+        bb.process.run("git checkout -b my-devel", cwd=src_dir)
+        bb.process.run("git commit --allow-empty -m'Dummy commit 2'",
+                       cwd=src_dir)
+        stdout = bb.process.run("git rev-parse HEAD", cwd=src_dir)
+        orig_rev = stdout[0].strip()
+
+        # Fetch and check revision
+        self.d.setVar("SRCREV", "AUTOINC")
+        url = "git://" + src_dir + ";protocol=file;usehead=1"
+        fetcher = bb.fetch.Fetch([url], self.d)
+        fetcher.download()
+        fetcher.unpack(self.unpackdir)
+        stdout = bb.process.run("git rev-parse HEAD",
+                                cwd=os.path.join(self.unpackdir, 'git'))
+        unpack_rev = stdout[0].strip()
+        self.assertEqual(orig_rev, unpack_rev)
+
+    def test_local_gitfetch_usehead_withname(self):
+        # Create dummy local Git repo
+        src_dir = tempfile.mkdtemp(dir=self.tempdir,
+                                   prefix='gitfetch_localusehead_')
+        src_dir = os.path.abspath(src_dir)
+        bb.process.run("git init", cwd=src_dir)
+        bb.process.run("git commit --allow-empty -m'Dummy commit'",
+                       cwd=src_dir)
+        # Use other branch than master
+        bb.process.run("git checkout -b my-devel", cwd=src_dir)
+        bb.process.run("git commit --allow-empty -m'Dummy commit 2'",
+                       cwd=src_dir)
+        stdout = bb.process.run("git rev-parse HEAD", cwd=src_dir)
+        orig_rev = stdout[0].strip()
+
+        # Fetch and check revision
+        self.d.setVar("SRCREV", "AUTOINC")
+        url = "git://" + src_dir + ";protocol=file;usehead=1;name=newName"
+        fetcher = bb.fetch.Fetch([url], self.d)
+        fetcher.download()
+        fetcher.unpack(self.unpackdir)
+        stdout = bb.process.run("git rev-parse HEAD",
+                                cwd=os.path.join(self.unpackdir, 'git'))
+        unpack_rev = stdout[0].strip()
+        self.assertEqual(orig_rev, unpack_rev)
+
 class FetcherNoNetworkTest(FetcherTest):
     def setUp(self):
         super().setUp()
@@ -844,35 +915,21 @@
         self.assertRaises(bb.fetch.FetchError, self.gitfetcher, url1, url2)
 
     @skipIfNoNetwork()
-    def test_gitfetch_localusehead(self):
-        # Create dummy local Git repo
-        src_dir = tempfile.mkdtemp(dir=self.tempdir,
-                                   prefix='gitfetch_localusehead_')
-        src_dir = os.path.abspath(src_dir)
-        bb.process.run("git init", cwd=src_dir)
-        bb.process.run("git commit --allow-empty -m'Dummy commit'",
-                       cwd=src_dir)
-        # Use other branch than master
-        bb.process.run("git checkout -b my-devel", cwd=src_dir)
-        bb.process.run("git commit --allow-empty -m'Dummy commit 2'",
-                       cwd=src_dir)
-        stdout = bb.process.run("git rev-parse HEAD", cwd=src_dir)
-        orig_rev = stdout[0].strip()
-
-        # Fetch and check revision
-        self.d.setVar("SRCREV", "AUTOINC")
-        url = "git://" + src_dir + ";protocol=file;usehead=1"
-        fetcher = bb.fetch.Fetch([url], self.d)
-        fetcher.download()
-        fetcher.unpack(self.unpackdir)
-        stdout = bb.process.run("git rev-parse HEAD",
-                                cwd=os.path.join(self.unpackdir, 'git'))
-        unpack_rev = stdout[0].strip()
-        self.assertEqual(orig_rev, unpack_rev)
+    def test_gitfetch_usehead(self):
+        # Since self.gitfetcher() sets SRCREV we expect this to override
+        # `usehead=1' and instead fetch the specified SRCREV. See
+        # test_local_gitfetch_usehead() for a positive use of the usehead
+        # feature.
+        url = "git://git.openembedded.org/bitbake;usehead=1"
+        self.assertRaises(bb.fetch.ParameterError, self.gitfetcher, url, url)
 
     @skipIfNoNetwork()
-    def test_gitfetch_remoteusehead(self):
-        url = "git://git.openembedded.org/bitbake;usehead=1"
+    def test_gitfetch_usehead_withname(self):
+        # Since self.gitfetcher() sets SRCREV we expect this to override
+        # `usehead=1' and instead fetch the specified SRCREV. See
+        # test_local_gitfetch_usehead() for a positive use of the usehead
+        # feature.
+        url = "git://git.openembedded.org/bitbake;usehead=1;name=newName"
         self.assertRaises(bb.fetch.ParameterError, self.gitfetcher, url, url)
 
     @skipIfNoNetwork()
@@ -2051,13 +2108,14 @@
             cwd = self.gitdir
         return bb.process.run(cmd, cwd=cwd)[0]
 
-    def fetch(self, uri=None):
+    def fetch(self, uri=None, download=True):
         uris = self.d.getVar('SRC_URI').split()
         uri = uris[0]
         d = self.d
 
         fetcher = bb.fetch2.Fetch(uris, d)
-        fetcher.download()
+        if download:
+            fetcher.download()
         ud = fetcher.ud[uri]
         return fetcher, ud
 
@@ -2067,16 +2125,21 @@
         uri = 'git://%s;protocol=file;subdir=${S};lfs=1' % self.srcdir
         self.d.setVar('SRC_URI', uri)
 
-        fetcher, ud = self.fetch()
+        # Careful: suppress initial attempt at downloading until
+        # we know whether git-lfs is installed.
+        fetcher, ud = self.fetch(uri=None, download=False)
         self.assertIsNotNone(ud.method._find_git_lfs)
 
-        # If git-lfs can be found, the unpack should be successful
-        ud.method._find_git_lfs = lambda d: True
-        shutil.rmtree(self.gitdir, ignore_errors=True)
-        fetcher.unpack(self.d.getVar('WORKDIR'))
+        # If git-lfs can be found, the unpack should be successful. Only
+        # attempt this with the real live copy of git-lfs installed.
+        if ud.method._find_git_lfs(self.d):
+            fetcher.download()
+            shutil.rmtree(self.gitdir, ignore_errors=True)
+            fetcher.unpack(self.d.getVar('WORKDIR'))
 
         # If git-lfs cannot be found, the unpack should throw an error
         with self.assertRaises(bb.fetch2.FetchError):
+            fetcher.download()
             ud.method._find_git_lfs = lambda d: False
             shutil.rmtree(self.gitdir, ignore_errors=True)
             fetcher.unpack(self.d.getVar('WORKDIR'))
@@ -2087,10 +2150,16 @@
         uri = 'git://%s;protocol=file;subdir=${S};lfs=0' % self.srcdir
         self.d.setVar('SRC_URI', uri)
 
+        # In contrast to test_lfs_enabled(), allow the implicit download
+        # done by self.fetch() to occur here. The point of this test case
+        # is to verify that the fetcher can survive even if the source
+        # repository has Git LFS usage configured.
         fetcher, ud = self.fetch()
         self.assertIsNotNone(ud.method._find_git_lfs)
 
-        # If git-lfs can be found, the unpack should be successful
+        # If git-lfs can be found, the unpack should be successful. A
+        # live copy of git-lfs is not required for this case, so
+        # unconditionally forge its presence.
         ud.method._find_git_lfs = lambda d: True
         shutil.rmtree(self.gitdir, ignore_errors=True)
         fetcher.unpack(self.d.getVar('WORKDIR'))
diff --git a/poky/bitbake/lib/bb/ui/buildinfohelper.py b/poky/bitbake/lib/bb/ui/buildinfohelper.py
index 82c62e3..43aa592 100644
--- a/poky/bitbake/lib/bb/ui/buildinfohelper.py
+++ b/poky/bitbake/lib/bb/ui/buildinfohelper.py
@@ -148,14 +148,14 @@
         buildrequest = None
         if brbe is not None:
             # Toaster-triggered build
-            logger.debug(1, "buildinfohelper: brbe is %s" % brbe)
+            logger.debug("buildinfohelper: brbe is %s" % brbe)
             br, _ = brbe.split(":")
             buildrequest = BuildRequest.objects.get(pk=br)
             prj = buildrequest.project
         else:
             # CLI build
             prj = Project.objects.get_or_create_default_project()
-            logger.debug(1, "buildinfohelper: project is not specified, defaulting to %s" % prj)
+            logger.debug("buildinfohelper: project is not specified, defaulting to %s" % prj)
 
         if buildrequest is not None:
             # reuse existing Build object
@@ -171,7 +171,7 @@
                 completed_on=now,
                 build_name='')
 
-        logger.debug(1, "buildinfohelper: build is created %s" % build)
+        logger.debug("buildinfohelper: build is created %s" % build)
 
         if buildrequest is not None:
             buildrequest.build = build
@@ -906,7 +906,7 @@
 
         self.project = None
 
-        logger.debug(1, "buildinfohelper: Build info helper inited %s" % vars(self))
+        logger.debug("buildinfohelper: Build info helper inited %s" % vars(self))
 
 
     ###################
@@ -1620,7 +1620,7 @@
             # if we have a backlog of events, do our best to save them here
             if len(self.internal_state['backlog']):
                 tempevent = self.internal_state['backlog'].pop()
-                logger.debug(1, "buildinfohelper: Saving stored event %s "
+                logger.debug("buildinfohelper: Saving stored event %s "
                              % tempevent)
                 self.store_log_event(tempevent,cli_backlog)
             else:
diff --git a/poky/bitbake/lib/bb/utils.py b/poky/bitbake/lib/bb/utils.py
index f73d31f..b282d09 100644
--- a/poky/bitbake/lib/bb/utils.py
+++ b/poky/bitbake/lib/bb/utils.py
@@ -129,6 +129,7 @@
     return r
 
 def vercmp_string(a, b):
+    """ Split version strings and compare them """
     ta = split_version(a)
     tb = split_version(b)
     return vercmp(ta, tb)
@@ -247,6 +248,12 @@
     return r
 
 def explode_dep_versions(s):
+    """
+    Take an RDEPENDS style string of format:
+    "DEPEND1 (optional version) DEPEND2 (optional version) ..."
+    skip null value and items appeared in dependancy string multiple times
+    and return a dictionary of dependencies and versions.
+    """
     r = explode_dep_versions2(s)
     for d in r:
         if not r[d]:
@@ -602,7 +609,7 @@
     os.environ["LC_ALL"] = "en_US.UTF-8"
 
     if removed_vars:
-        logger.debug(1, "Removed the following variables from the environment: %s", ", ".join(removed_vars.keys()))
+        logger.debug("Removed the following variables from the environment: %s", ", ".join(removed_vars.keys()))
 
     return removed_vars
 
@@ -692,7 +699,7 @@
                 raise
 
 def prunedir(topdir, ionice=False):
-    # Delete everything reachable from the directory named in 'topdir'.
+    """ Delete everything reachable from the directory named in 'topdir'. """
     # CAUTION:  This is dangerous!
     if _check_unsafe_delete_path(topdir):
         raise Exception('bb.utils.prunedir: called with dangerous path "%s", refusing to delete!' % topdir)
@@ -703,8 +710,10 @@
 # but thats possibly insane and suffixes is probably going to be small
 #
 def prune_suffix(var, suffixes, d):
-    # See if var ends with any of the suffixes listed and
-    # remove it if found
+    """ 
+    See if var ends with any of the suffixes listed and
+    remove it if found 
+    """
     for suffix in suffixes:
         if suffix and var.endswith(suffix):
             return var[:-len(suffix)]
@@ -956,6 +965,10 @@
         os.umask(current_mask)
 
 def to_boolean(string, default=None):
+    """ 
+    Check input string and return boolean value True/False/None
+    depending upon the checks 
+    """
     if not string:
         return default
 
@@ -999,6 +1012,23 @@
     return falsevalue
 
 def contains_any(variable, checkvalues, truevalue, falsevalue, d):
+    """Check if a variable contains any values specified.
+
+    Arguments:
+
+    variable -- the variable name. This will be fetched and expanded (using
+    d.getVar(variable)) and then split into a set().
+
+    checkvalues -- if this is a string it is split on whitespace into a set(),
+    otherwise coerced directly into a set().
+
+    truevalue -- the value to return if checkvalues is a subset of variable.
+
+    falsevalue -- the value to return if variable is empty or if checkvalues is
+    not a subset of variable.
+
+    d -- the data store.
+    """
     val = d.getVar(variable)
     if not val:
         return falsevalue
@@ -1560,8 +1590,8 @@
     except:
         pass
 
-# export common proxies variables from datastore to environment
 def export_proxies(d):
+    """ export common proxies variables from datastore to environment """
     import os
 
     variables = ['http_proxy', 'HTTP_PROXY', 'https_proxy', 'HTTPS_PROXY',
@@ -1583,12 +1613,12 @@
 
 def load_plugins(logger, plugins, pluginpath):
     def load_plugin(name):
-        logger.debug(1, 'Loading plugin %s' % name)
+        logger.debug('Loading plugin %s' % name)
         spec = importlib.machinery.PathFinder.find_spec(name, path=[pluginpath] )
         if spec:
             return spec.loader.load_module()
 
-    logger.debug(1, 'Loading plugins from %s...' % pluginpath)
+    logger.debug('Loading plugins from %s...' % pluginpath)
 
     expanded = (glob.glob(os.path.join(pluginpath, '*' + ext))
                 for ext in python_extensions)