[oe-commits] [bitbake] 01/05: bitbake: BBHandler: Fix addtask and deltask

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rpurdie pushed a commit to branch master-next
in repository bitbake.

commit d393f9a1643ae6ca9ff20001f4fc1c6136ebeb76
Author: Robert Yang <liezhi.yang at windriver.com>
AuthorDate: Mon Apr 29 16:11:58 2019 +0800

    bitbake: BBHandler: Fix addtask and deltask
    
    The following commands are not supported, but they were ignored silently, that
    may suprise users:
    
    * addtask task1 task2
      task2 is ignored
    
    * addtask task1 before task2 before task3
      Should be: addtask task1 before task2 task3
    
    * addtask task1 after task2 after task3
      Should be: addtask task1 after task2 task3
    
    * deltask task1 task2
      task2 is ignore
    
    This patch can check and warn for them.
    
    [YOCTO #13282]
    
    Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/parse/parse_py/BBHandler.py | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/lib/bb/parse/parse_py/BBHandler.py b/lib/bb/parse/parse_py/BBHandler.py
index 9dba5f2..314e802 100644
--- a/lib/bb/parse/parse_py/BBHandler.py
+++ b/lib/bb/parse/parse_py/BBHandler.py
@@ -42,7 +42,7 @@ __func_start_regexp__    = re.compile(r"(((?P<py>python)|(?P<fr>fakeroot))\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))|(.*)))))*")
-__deltask_regexp__       = re.compile(r"deltask\s+(?P<func>\w+)")
+__deltask_regexp__       = re.compile(r"deltask\s+(?P<func>\w+)(?P<ignores>.*)")
 __addhandler_regexp__    = re.compile(r"addhandler\s+(.+)" )
 __def_regexp__           = re.compile(r"def\s+(\w+).*:" )
 __python_func_regexp__   = re.compile(r"(\s+.*)|(^$)|(^#)" )
@@ -236,11 +236,27 @@ def feeder(lineno, s, fn, root, statements, eof=False):
 
     m = __addtask_regexp__.match(s)
     if m:
+        if len(m.group().split()) == 2:
+            # Check and warn for "addtask task1 task2"
+            m2 = re.match(r"addtask\s+(?P<func>\w+)(?P<ignores>.*)", s)
+            if m2 and m2.group('ignores'):
+                logger.warning('addtask ignored: "%s"' % m2.group('ignores'))
+
+        # Check and warn for "addtask task1 before task2 before task3", the
+        # similar to "after"
+        taskexpression = s.split()
+        for word in ('before', 'after'):
+            if taskexpression.count(word) > 1:
+                logger.warning("addtask contained multiple '%s' keywords, only one is supported" % word)
+
         ast.handleAddTask(statements, fn, lineno, m)
         return
 
     m = __deltask_regexp__.match(s)
     if m:
+        # Check and warn "for deltask task1 task2"
+        if m.group('ignores'):
+            logger.warning('deltask ignored: "%s"' % m.group('ignores'))
         ast.handleDelTask(statements, fn, lineno, m)
         return
 

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