mcatanzaro commented on issue #1758:
URL: https://github.com/apache/buildstream/issues/1758#issuecomment-1258543216
I see the following error when running `bst build --track-all`:
```
[00:00:00][4043f233][build:freedesktop-sdk.bst:bootstrap/build/base-sdk/filtered.bst]
BUG Build
An unhandled exception occured:
Traceback (most recent call last):
File
"/usr/lib/python3.11/site-packages/buildstream/_scheduler/jobs/job.py", line
384, in _child_action
result = self.child_process()
^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3.11/site-packages/buildstream/_scheduler/jobs/elementjob.py",
line 94, in child_process
return self._action_cb(self._element)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3.11/site-packages/buildstream/_scheduler/queues/buildqueue.py",
line 35, in process
return element._assemble()
^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
1534, in _assemble
collect = self.assemble(sandbox)
^^^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3.11/site-packages/buildstream/plugins/elements/filter.py",
line 108, in assemble
dep.stage_artifact(sandbox, include=self.include,
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
641, in stage_artifact
files = list(self.__compute_splits(include, exclude, orphans))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
2329, in __compute_splits
self.__init_splits()
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
2313, in __init_splits
self.__splits = {
^
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
2314, in <dictcomp>
domain: re.compile('^(?:' + '|'.join([utils._glob2re(r) for r in
rules]) + ')$')
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/__init__.py", line 227, in compile
return _compile(pattern, flags)
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/__init__.py", line 294, in _compile
p = _compiler.compile(pattern, flags)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_compiler.py", line 743, in compile
p = _parser.parse(p, flags)
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_parser.py", line 980, in parse
p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_parser.py", line 455, in _parse_sub
itemsappend(_parse(source, state, verbose, nested + 1,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_parser.py", line 863, in _parse
p = _parse_sub(source, state, sub_verbose, nested + 1)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_parser.py", line 455, in _parse_sub
itemsappend(_parse(source, state, verbose, nested + 1,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.11/re/_parser.py", line 841, in _parse
raise source.error('global flags not at the start '
re.error: global flags not at the start of the expression at position 23
```
The problem is a broken regex here:
```
File "/usr/lib/python3.11/site-packages/buildstream/element.py", line
2314, in <dictcomp>
domain: re.compile('^(?:' + '|'.join([utils._glob2re(r) for r in
rules]) + ')$')
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
```
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