bitbake: Switch to bitbake-dev version (bitbake master upstream)

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

45 files changed, 4948 insertions, 956 deletions

diff --git a/bitbake/AUTHORS b/bitbake/AUTHORS
index 9d592608bb..a4014b1e39 100644
--- a/bitbake/AUTHORS
+++ b/bitbake/AUTHORS
@@ -2,7 +2,7 @@ Tim Ansell <mithro@mithis.net>
 Phil Blundell <pb@handhelds.org>
 Seb Frankengul <seb@frankengul.org>
 Holger Freyther <zecke@handhelds.org>
-Marcin Juszkiewicz <marcin@haerwu.biz>
+Marcin Juszkiewicz <marcin@juszkiewicz.com.pl>
 Chris Larson <kergoth@handhelds.org>
 Ulrich Luckas <luckas@musoft.de>
 Mickey Lauer <mickey@Vanille.de>
diff --git a/bitbake/ChangeLog b/bitbake/ChangeLog
index 9fe3bf3d83..22124cb7ea 100644
--- a/bitbake/ChangeLog
+++ b/bitbake/ChangeLog
@@ -1,8 +1,99 @@
-Changes in BitBake 1.8.x:
-	- Add bb.utils.prune_suffix function
- 
-Changes in BitBake 1.8.12:
-	- Fix -f (force) in conjunction with -b
+Changes in Bitbake 1.9.x:
+	- Add PE (Package Epoch) support from Philipp Zabel (pH5)
+	- Treat python functions the same as shell functions for logging
+	- Use TMPDIR/anonfunc as a __anonfunc temp directory (T)
+	- Catch truncated cache file errors
+	- Allow operations other than assignment on flag variables
+	- Add code to handle inter-task dependencies
+	- Fix cache errors when generation dotGraphs
+	- Make sure __inherit_cache is updated before calling include() (from Michael Krelin)
+	- Fix bug when target was in ASSUME_PROVIDED (#2236)
+	- Raise ParseError for filenames with multiple underscores instead of infinitely looping (#2062)
+	- Fix invalid regexp in BBMASK error handling (missing import) (#1124)
+	- Promote certain warnings from debug to note 2 level
+	- Update manual
+	- Correctly redirect stdin when forking
+	- If parsing errors are found, exit, too many users miss the errors
+	- Remove supriours PREFERRED_PROVIDER warnings
+	- svn fetcher: Add _buildsvncommand function
+	- Improve certain error messages
+	- Rewrite svn fetcher to make adding extra operations easier 
+	  as part of future SRCDATE="now" fixes
+	  (requires new FETCHCMD_svn definition in bitbake.conf)
+	- Change SVNDIR layout to be more unique (fixes #2644 and #2624)
+	- Add ConfigParsed Event after configuration parsing is complete
+	- Add SRCREV support for svn fetcher
+	- data.emit_var() - only call getVar if we need the variable
+	- Stop generating the A variable (seems to be legacy code)
+	- Make sure intertask depends get processed correcting in recursive depends
+	- Add pn-PN to overrides when evaluating PREFERRED_VERSION
+	- Improve the progress indicator by skipping tasks that have 
+	  already run before starting the build rather than during it
+	- Add profiling option (-P)
+	- Add BB_SRCREV_POLICY variable (clear or cache) to control SRCREV cache
+	- Add SRCREV_FORMAT support
+	- Fix local fetcher's localpath return values
+	- Apply OVERRIDES before performing immediate expansions
+	- Allow the -b -e option combination to take regular expressions
+	- Fix handling of variables with expansion in the name using _append/_prepend
+	  e.g. RRECOMMENDS_${PN}_append_xyz = "abc"
+	- Add plain message function to bb.msg
+	- Sort the list of providers before processing so dependency problems are 
+	  reproducible rather than effectively random
+	- Fix/improve bitbake -s output
+	- Add locking for fetchers so only one tries to fetch a given file at a given time
+	- Fix int(0)/None confusion in runqueue.py which causes random gaps in dependency chains	  
+	- Expand data in addtasks
+	- Print the list of missing DEPENDS,RDEPENDS for the "No buildable providers available for required...."
+	  error message.
+	- Rework add_task to be more efficient (6% speedup, 7% number of function calls reduction)
+	- Sort digraph output to make builds more reproducible
+	- Split expandKeys into two for loops to benefit from the expand_cache (12% speedup)
+	- runqueue.py: Fix idepends handling to avoid dependency errors
+	- Clear the terminal TOSTOP flag if set (and warn the user)
+	- Fix regression from r653 and make SRCDATE/CVSDATE work for packages again
+	- Fix a bug in bb.decodeurl where http://some.where.com/somefile.tgz decoded to host="" (#1530)
+	- Warn about malformed PREFERRED_PROVIDERS (#1072)
+	- Add support for BB_NICE_LEVEL option (#1627)
+	- Psyco is used only on x86 as there is no support for other architectures.
+	- Sort initial providers list by default preference (#1145, #2024)
+	- Improve provider sorting so prefered versions have preference over latest versions (#768)
+	- Detect builds of tasks with overlapping providers and warn (will become a fatal error) (#1359)
+	- Add MULTI_PROVIDER_WHITELIST variable to allow known safe multiple providers to be listed
+	- Handle paths in svn fetcher module parameter
+	- Support the syntax "export VARIABLE"
+	- Add bzr fetcher
+	- Add support for cleaning directories before a task in the form:
+	  do_taskname[cleandirs] = "dir"
+	- bzr fetcher tweaks from Robert Schuster (#2913)
+	- Add mercurial (hg) fetcher from Robert Schuster (#2913)
+	- Don't add duplicates to BBPATH
+	- Fix preferred_version return values (providers.py)
+	- Fix 'depends' flag splitting
+	- Fix unexport handling (#3135)
+	- Add bb.copyfile function similar to bb.movefile (and improve movefile error reporting)
+	- Allow multiple options for deptask flag
+	- Use git-fetch instead of git-pull removing any need for merges when 
+	  fetching (we don't care about the index). Fixes fetch errors.
+	- Add BB_GENERATE_MIRROR_TARBALLS option, set to 0 to make git fetches 
+	  faster at the expense of not creating mirror tarballs.
+	- SRCREV handling updates, improvements and fixes from Poky
+	- Add bb.utils.lockfile() and bb.utils.unlockfile() from Poky
+	- Add support for task selfstamp and lockfiles flags
+	- Disable task number acceleration since it can allow the tasks to run 
+	  out of sequence
+	- Improve runqueue code comments
+	- Add task scheduler abstraction and some example schedulers
+	- Improve circular dependency chain debugging code and user feedback
+	- Don't give a stacktrace for invalid tasks, have a user friendly message (#3431)
+	- Add support for "-e target" (#3432)
+	- Fix shell showdata command (#3259)
+	- Fix shell data updating problems (#1880)
+	- Properly raise errors for invalid source URI protocols
+	- Change the wget fetcher failure handling to avoid lockfile problems
+	- Add support for branches in git fetcher (Otavio Salvador, Michael Lauer)
+	- Make taskdata and runqueue errors more user friendly
+	- Add norecurse and fullpath options to cvs fetcher
 	- Fix exit code for build failures in --continue mode
 	- Fix git branch tags fetching
 	- Change parseConfigurationFile so it works on real data, not a copy
@@ -27,8 +118,10 @@ Changes in BitBake 1.8.12:
 	  how extensively stamps are looked at for validity
 	- When handling build target failures make sure idepends are checked and
 	  failed where needed. Fixes --continue mode crashes.
+	- Fix -f (force) in conjunction with -b
 	- Fix problems with recrdeptask handling where some idepends weren't handled
 	  correctly.
+	- Handle exit codes correctly (from pH5)
 	- Work around refs/HEAD issues with git over http (#3410)
 	- Add proxy support to the CVS fetcher (from Cyril Chemparathy)
 	- Improve runfetchcmd so errors are seen and various GIT variables are exported
@@ -44,7 +137,6 @@ Changes in BitBake 1.8.12:
 	- Add PERSISTENT_DIR to store the PersistData in a persistent
 	  directory != the cache dir.
 	- Add md5 and sha256 checksum generation functions to utils.py
-	- Make sure Build Completed events are generated even when tasks fail
 	- Correctly handle '-' characters in class names (#2958)
 	- Make sure expandKeys has been called on the data dictonary before running tasks
 	- Correctly add a task override in the form task-TASKNAME.
@@ -63,6 +155,7 @@ Changes in BitBake 1.8.12:
 	  used instead of the internal bitbake one. Alternatively, BB_ENV_EXTRAWHITE can be used
 	  to extend the internal whitelist.
 	- Perforce fetcher fix to use commandline options instead of being overriden by the environment
+	- bb.utils.prunedir can cope with symlinks to directoriees without exceptions
 	- use @rev when doing a svn checkout
 	- Add osc fetcher (from Joshua Lock in Poky)
 	- When SRCREV autorevisioning for a recipe is in use, don't cache the recipe
@@ -76,109 +169,15 @@ Changes in BitBake 1.8.12:
 	  proxies to work better. (from Poky)
 	- Also allow user and pswd options in SRC_URIs globally (from Poky)
 	- Improve proxy handling when using mirrors (from Poky)
-
-Changes in BitBake 1.8.10:
-	- Psyco is available only for x86 - do not use it on other architectures.
-	- Fix a bug in bb.decodeurl where http://some.where.com/somefile.tgz decoded to host="" (#1530)
-	- Warn about malformed PREFERRED_PROVIDERS (#1072)
-	- Add support for BB_NICE_LEVEL option (#1627)
-	- Sort initial providers list by default preference (#1145, #2024)
-	- Improve provider sorting so prefered versions have preference over latest versions (#768)
-	- Detect builds of tasks with overlapping providers and warn (will become a fatal error) (#1359)
-	- Add MULTI_PROVIDER_WHITELIST variable to allow known safe multiple providers to be listed
-	- Handle paths in svn fetcher module parameter
-	- Support the syntax "export VARIABLE"
-	- Add bzr fetcher
-	- Add support for cleaning directories before a task in the form:
-	  do_taskname[cleandirs] = "dir"
-	- bzr fetcher tweaks from Robert Schuster (#2913)
-	- Add mercurial (hg) fetcher from Robert Schuster (#2913)
-	- Fix bogus preferred_version return values
-	- Fix 'depends' flag splitting
-	- Fix unexport handling (#3135)
-	- Add bb.copyfile function similar to bb.movefile (and improve movefile error reporting)
-	- Allow multiple options for deptask flag
-	- Use git-fetch instead of git-pull removing any need for merges when 
-	  fetching (we don't care about the index). Fixes fetch errors.
-	- Add BB_GENERATE_MIRROR_TARBALLS option, set to 0 to make git fetches 
-	  faster at the expense of not creating mirror tarballs.
-	- SRCREV handling updates, improvements and fixes from Poky
-	- Add bb.utils.lockfile() and bb.utils.unlockfile() from Poky
-	- Add support for task selfstamp and lockfiles flags
-	- Disable task number acceleration since it can allow the tasks to run 
-	  out of sequence
-	- Improve runqueue code comments
-	- Add task scheduler abstraction and some example schedulers
-	- Improve circular dependency chain debugging code and user feedback
-	- Don't give a stacktrace for invalid tasks, have a user friendly message (#3431)
-	- Add support for "-e target" (#3432)
-	- Fix shell showdata command (#3259)
-	- Fix shell data updating problems (#1880)
-	- Properly raise errors for invalid source URI protocols
-	- Change the wget fetcher failure handling to avoid lockfile problems
-	- Add git branch support
-	- Add support for branches in git fetcher (Otavio Salvador, Michael Lauer)
-	- Make taskdata and runqueue errors more user friendly
-	- Add norecurse and fullpath options to cvs fetcher
-	- bb.utils.prunedir can cope with symlinks to directories without exceptions
-
-Changes in Bitbake 1.8.8:
-	- Rewrite svn fetcher to make adding extra operations easier 
-	  as part of future SRCDATE="now" fixes
-	  (requires new FETCHCMD_svn definition in bitbake.conf)
-	- Change SVNDIR layout to be more unique (fixes #2644 and #2624)
-	- Import persistent data store from trunk
-	- Sync fetcher code with that in trunk, adding SRCREV support for svn
-	- Add ConfigParsed Event after configuration parsing is complete
-	- data.emit_var() - only call getVar if we need the variable
-	- Stop generating the A variable (seems to be legacy code)
-	- Make sure intertask depends get processed correcting in recursive depends
-	- Add pn-PN to overrides when evaluating PREFERRED_VERSION
-	- Improve the progress indicator by skipping tasks that have 
-	  already run before starting the build rather than during it
-	- Add profiling option (-P)
-	- Add BB_SRCREV_POLICY variable (clear or cache) to control SRCREV cache
-	- Add SRCREV_FORMAT support
-	- Fix local fetcher's localpath return values
-	- Apply OVERRIDES before performing immediate expansions
-	- Allow the -b -e option combination to take regular expressions
-	- Add plain message function to bb.msg
-	- Sort the list of providers before processing so dependency problems are 
-	  reproducible rather than effectively random
-	- Add locking for fetchers so only one tries to fetch a given file at a given time
-	- Fix int(0)/None confusion in runqueue.py which causes random gaps in dependency chains
-	- Fix handling of variables with expansion in the name using _append/_prepend
-	  e.g. RRECOMMENDS_${PN}_append_xyz = "abc"
-	- Expand data in addtasks
- 	- Print the list of missing DEPENDS,RDEPENDS for the "No buildable providers available for required...."
- 	  error message.
-	- Rework add_task to be more efficient (6% speedup, 7% number of function calls reduction)
-	- Sort digraph output to make builds more reproducible
-	- Split expandKeys into two for loops to benefit from the expand_cache (12% speedup)
-	- runqueue.py: Fix idepends handling to avoid dependency errors
-	- Clear the terminal TOSTOP flag if set (and warn the user)
-	- Fix regression from r653 and make SRCDATE/CVSDATE work for packages again
-
-Changes in Bitbake 1.8.6:
-	- Correctly redirect stdin when forking
-	- If parsing errors are found, exit, too many users miss the errors
-	- Remove supriours PREFERRED_PROVIDER warnings
-
-Changes in Bitbake 1.8.4:
-	- Make sure __inherit_cache is updated before calling include() (from Michael Krelin)
-	- Fix bug when target was in ASSUME_PROVIDED (#2236)
-	- Raise ParseError for filenames with multiple underscores instead of infinitely looping (#2062)
-	- Fix invalid regexp in BBMASK error handling (missing import) (#1124)
-	- Don't run build sanity checks on incomplete builds
-	- Promote certain warnings from debug to note 2 level
-	- Update manual
-
-Changes in Bitbake 1.8.2:
-	- Catch truncated cache file errors
-	- Add PE (Package Epoch) support from Philipp Zabel (pH5)
-	- Add code to handle inter-task dependencies
-	- Allow operations other than assignment on flag variables
-	- Fix cache errors when generation dotGraphs
+	- Add bb.utils.prune_suffix function
+	- Fix hg checkouts of specific revisions (from Poky)
+	- Fix wget fetching of urls with parameters specified (from Poky)
+	- Add username handling to git fetcher (from Poky)
+	- Set HOME environmental variable when running fetcher commands (from Poky)
+	- Make sure allowed variables inherited from the environment are exported again (from Poky)
+	- When running a stage task in bbshell, run populate_staging, not the stage task (from Poky)
+	- Fix + character escaping from PACKAGES_DYNAMIC (thanks Otavio Salvador)
+	- Addition of BBCLASSEXTEND support for allowing one recipe to provide multiple targets (from Poky)
 
 Changes in Bitbake 1.8.0:
 	- Release 1.7.x as a stable series
diff --git a/bitbake/MANIFEST b/bitbake/MANIFEST
deleted file mode 100644
index 39e8017759..0000000000
--- a/bitbake/MANIFEST
+++ /dev/null
@@ -1,53 +0,0 @@
-AUTHORS
-COPYING
-ChangeLog
-MANIFEST
-setup.py
-bin/bitdoc
-bin/bbimage
-bin/bitbake
-lib/bb/__init__.py
-lib/bb/build.py
-lib/bb/cache.py
-lib/bb/cooker.py
-lib/bb/COW.py
-lib/bb/data.py
-lib/bb/data_smart.py
-lib/bb/event.py
-lib/bb/fetch/__init__.py
-lib/bb/fetch/bzr.py
-lib/bb/fetch/cvs.py
-lib/bb/fetch/git.py
-lib/bb/fetch/hg.py
-lib/bb/fetch/local.py
-lib/bb/fetch/osc.py
-lib/bb/fetch/perforce.py
-lib/bb/fetch/ssh.py
-lib/bb/fetch/svk.py
-lib/bb/fetch/svn.py
-lib/bb/fetch/wget.py
-lib/bb/manifest.py
-lib/bb/methodpool.py
-lib/bb/msg.py
-lib/bb/parse/__init__.py
-lib/bb/parse/parse_py/__init__.py
-lib/bb/parse/parse_py/BBHandler.py
-lib/bb/parse/parse_py/ConfHandler.py
-lib/bb/persist_data.py
-lib/bb/providers.py
-lib/bb/runqueue.py
-lib/bb/shell.py
-lib/bb/taskdata.py
-lib/bb/utils.py
-setup.py
-doc/COPYING.GPL
-doc/COPYING.MIT
-doc/bitbake.1
-doc/manual/html.css
-doc/manual/Makefile
-doc/manual/usermanual.xml
-contrib/bbdev.sh
-contrib/vim/syntax/bitbake.vim
-contrib/vim/ftdetect/bitbake.vim
-conf/bitbake.conf
-classes/base.bbclass
diff --git a/bitbake/bin/bitbake b/bitbake/bin/bitbake
index 842ba0441e..23c9d73ee4 100755
--- a/bitbake/bin/bitbake
+++ b/bitbake/bin/bitbake
@@ -22,12 +22,18 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-import sys, os, getopt, re, time, optparse
+import sys, os, getopt, re, time, optparse, xmlrpclib
 sys.path.insert(0,os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
 import bb
 from bb import cooker
+from bb import ui
 
-__version__ = "1.8.13"
+
+__version__ = "1.9.0"
+
+if sys.hexversion < 0x020500F0:
+    print "Sorry, python 2.5 or later is required for this version of bitbake"
+    sys.exit(1)
 
 #============================================================================#
 # BBOptions
@@ -41,11 +47,28 @@ class BBConfiguration( object ):
             setattr( self, key, val )
 
 
+def print_exception(exc, value, tb):
+    """
+    Print the exception to stderr, only showing the traceback if bitbake
+    debugging is enabled.
+    """
+    if not bb.msg.debug_level['default']:
+        tb = None
+
+    sys.__excepthook__(exc, value, tb)
+
+
 #============================================================================#
 # main
 #============================================================================#
 
 def main():
+    return_value = 0
+    pythonver = sys.version_info
+    if pythonver[0] < 2 or (pythonver[0] == 2 and pythonver[1] < 5):
+        print "Sorry, bitbake needs python 2.5 or later."
+        sys.exit(1)
+
     parser = optparse.OptionParser( version = "BitBake Build Tool Core version %s, %%prog version %s" % ( bb.__version__, __version__ ),
     usage = """%prog [options] [package ...]
 
@@ -99,8 +122,8 @@ Default BBFILES are the .bb files in the current directory.""" )
     parser.add_option( "-g", "--graphviz", help = "emit the dependency trees of the specified packages in the dot syntax",
                 action = "store_true", dest = "dot_graph", default = False )
 
-    parser.add_option( "-I", "--ignore-deps", help = """Stop processing at the given list of dependencies when generating dependency graphs. This can help to make the graph more appealing""",
-                action = "append", dest = "ignored_dot_deps", default = [] )
+    parser.add_option( "-I", "--ignore-deps", help = """Assume these dependencies don't exist and are already provided (equivalent to ASSUME_PROVIDED). Useful to make dependency graphs more appealing""",
+                action = "append", dest = "extra_assume_provided", default = [] )
 
     parser.add_option( "-l", "--log-domains", help = """Show debug logging for the specified logging domains""",
                 action = "append", dest = "debug_domains", default = [] )
@@ -108,6 +131,9 @@ Default BBFILES are the .bb files in the current directory.""" )
     parser.add_option( "-P", "--profile", help = "profile the command and print a report",
                action = "store_true", dest = "profile", default = False )
 
+    parser.add_option( "-u", "--ui", help = "userinterface to use",
+               action = "store", dest = "ui")
+
     parser.add_option( "", "--revisions-changed", help = "Set the exit code depending on whether upstream floating revisions have changed or not",
                action = "store_true", dest = "revisions_changed", default = False )
 
@@ -117,30 +143,53 @@ Default BBFILES are the .bb files in the current directory.""" )
     configuration.pkgs_to_build = []
     configuration.pkgs_to_build.extend(args[1:])
 
-    cooker = bb.cooker.BBCooker(configuration)
+    #server = bb.server.xmlrpc
+    server = bb.server.none
+
+    # Save a logfile for cooker into the current working directory. When the
+    # server is daemonized this logfile will be truncated.
+    cooker_logfile = os.path.join (os.getcwd(), "cooker.log")
+
+    cooker = bb.cooker.BBCooker(configuration, server)
 
     # Clear away any spurious environment variables. But don't wipe the
-    # environment totally.
+    # environment totally. This is necessary to ensure the correct operation
+    # of the UIs (e.g. for DISPLAY, etc.)
     bb.utils.clean_environment()
 
-    cooker.parseConfiguration()
-
-    if configuration.profile:
-        try:
-            import cProfile as profile
-        except:
-            import profile
-
-        profile.runctx("cooker.cook()", globals(), locals(), "profile.log")
-        import pstats
-        p = pstats.Stats('profile.log')
-        p.sort_stats('time')
-        p.print_stats()
-        p.print_callers()
-        p.sort_stats('cumulative')
-        p.print_stats()
+    cooker.parseCommandLine()
+
+    serverinfo = server.BitbakeServerInfo(cooker.server)
+
+    server.BitBakeServerFork(serverinfo, cooker.serve, cooker_logfile)
+    del cooker
+
+    sys.excepthook = print_exception
+
+    # Setup a connection to the server (cooker)
+    serverConnection = server.BitBakeServerConnection(serverinfo)
+
+    # Launch the UI
+    if configuration.ui:
+        ui = configuration.ui
     else:
-        cooker.cook()
+        ui = "knotty"
+
+    try:
+            # Dynamically load the UI based on the ui name. Although we
+            # suggest a fixed set this allows you to have flexibility in which
+            # ones are available.
+            exec "from bb.ui import " + ui
+            exec "return_value = " + ui + ".init(serverConnection.connection, serverConnection.events)"
+    except ImportError:
+        print "FATAL: Invalid user interface '%s' specified. " % ui
+        print "Valid interfaces are 'ncurses', 'depexp' or the default, 'knotty'."
+    except Exception, e:
+        print "FATAL: Unable to start to '%s' UI: %s." % (configuration.ui, e.message)
+    finally:
+        serverConnection.terminate()
+        return return_value
 
 if __name__ == "__main__":
-    main()
+    ret = main()
+    sys.exit(ret)
diff --git a/bitbake/bin/bitdoc b/bitbake/bin/bitdoc
index 3bcc9b344b..4940f660a6 100755
--- a/bitbake/bin/bitdoc
+++ b/bitbake/bin/bitdoc
@@ -453,6 +453,8 @@ def main():
     except bb.parse.ParseError:
         bb.fatal( "Unable to parse %s" % config_file )
 
+    if isinstance(documentation, dict):
+        documentation = documentation[""]
 
     # Assuming we've the file loaded now, we will initialize the 'tree'
     doc = Documentation()
diff --git a/bitbake/contrib/vim/syntax/bitbake.vim b/bitbake/contrib/vim/syntax/bitbake.vim
index 43a1990b0b..be55980b3a 100644
--- a/bitbake/contrib/vim/syntax/bitbake.vim
+++ b/bitbake/contrib/vim/syntax/bitbake.vim
@@ -16,12 +16,17 @@ endif
 
 syn case match
 
-
 " Catch incorrect syntax (only matches if nothing else does)
 "
 syn match bbUnmatched		"."
 
 
+syn include @python syntax/python.vim
+if exists("b:current_syntax")
+  unlet b:current_syntax
+endif
+
+
 " Other
 
 syn match bbComment		"^#.*$" display contains=bbTodo
@@ -34,21 +39,25 @@ syn match bbArrayBrackets	"[\[\]]" contained
 " BitBake strings
 
 syn match bbContinue		"\\$"
-syn region bbString		matchgroup=bbQuote start=/"/ skip=/\\$/ excludenl end=/"/ contained keepend contains=bbTodo,bbContinue,bbVarDeref
-syn region bbString		matchgroup=bbQuote start=/'/ skip=/\\$/ excludenl end=/'/ contained keepend contains=bbTodo,bbContinue,bbVarDeref
-
+syn region bbString		matchgroup=bbQuote start=/"/ skip=/\\$/ excludenl end=/"/ contained keepend contains=bbTodo,bbContinue,bbVarInlinePy,bbVarDeref
+syn region bbString		matchgroup=bbQuote start=/'/ skip=/\\$/ excludenl end=/'/ contained keepend contains=bbTodo,bbContinue,bbVarInlinePy,bbVarDeref
 
 " BitBake variable metadata
 
+syn match bbVarBraces "[\${}]"
+syn region bbVarDeref matchgroup=bbVarBraces start="${" end="}" contained
+" syn region bbVarDeref start="${" end="}" contained
+" syn region bbVarInlinePy start="${@" end="}" contained contains=@python
+syn region bbVarInlinePy matchgroup=bbVarBraces start="${@" end="}" contained contains=@python
+
 syn keyword bbExportFlag	export contained nextgroup=bbIdentifier skipwhite
-syn match bbVarDeref	"${[a-zA-Z0-9\-_\.]\+}" contained
-syn match bbVarDef		"^\(export\s*\)\?\([a-zA-Z0-9\-_\.]\+\(_[${}a-zA-Z0-9\-_\.]\+\)\?\)\s*\(:=\|+=\|=+\|\.=\|=\.\|?=\|=\)\@=" contains=bbExportFlag,bbIdentifier,bbVarDeref nextgroup=bbVarEq
+" syn match bbVarDeref	"${[a-zA-Z0-9\-_\.]\+}" contained
+syn match bbVarDef		"^\(export\s*\)\?\([a-zA-Z0-9\-_\.]\+\(_[${}a-zA/-Z0-9\-_\.]\+\)\?\)\s*\(:=\|+=\|=+\|\.=\|=\.\|?=\|=\)\@=" contains=bbExportFlag,bbIdentifier,bbVarDeref nextgroup=bbVarEq
 
-syn match bbIdentifier		"[a-zA-Z0-9\-_\.]\+" display contained
+syn match bbIdentifier		"[a-zA-Z0-9\-_\./]\+" display contained
 "syn keyword bbVarEq	= display contained nextgroup=bbVarValue
 syn match bbVarEq		"\(:=\|+=\|=+\|\.=\|=\.\|?=\|=\)" contained nextgroup=bbVarValue
-syn match bbVarValue		".*$" contained contains=bbString,bbVarDeref
-
+syn match bbVarValue		".*$" contained contains=bbString
 
 " BitBake variable metadata flags
 syn match bbVarFlagDef		"^\([a-zA-Z0-9\-_\.]\+\)\(\[[a-zA-Z0-9\-_\.]\+\]\)\@=" contains=bbIdentifier nextgroup=bbVarFlagFlag
@@ -61,10 +70,6 @@ syn match bbFunction	"\h\w*" display contained
 
 
 " BitBake python metadata
-syn include @python syntax/python.vim
-if exists("b:current_syntax")
-  unlet b:current_syntax
-endif
 
 syn keyword bbPythonFlag	python contained nextgroup=bbFunction
 syn match b