bitbake-dev: Refactor the environment variable handling.
Do not clear the environment when saving the environment to the data store. Instead clear this once the cooker has forked. This ensures that the UI operates in a filtered (but not empty) environment. git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5526 311d38ba-8fff-0310-9ca6-ca027cbcb966
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@ -141,15 +141,10 @@ Default BBFILES are the .bb files in the current directory.""" )
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cooker = bb.cooker.BBCooker(configuration)
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# Optionally clean up the environment
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if 'BB_PRESERVE_ENV' not in os.environ:
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if 'BB_ENV_WHITELIST' in os.environ:
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good_vars = os.environ['BB_ENV_WHITELIST'].split()
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else:
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good_vars = bb.utils.preserved_envvars_list()
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if 'BB_ENV_EXTRAWHITE' in os.environ:
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good_vars.extend(os.environ['BB_ENV_EXTRAWHITE'].split())
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bb.utils.filter_environment(good_vars)
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# Clear away any spurious environment variables. But don't wipe the
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# environment totally. This is necessary to ensure the correct operation
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# of the UIs (e.g. for DISPLAY, etc.)
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bb.utils.clean_environment()
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cooker.parseConfiguration()
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host = cooker.server.host
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@ -907,6 +907,10 @@ class BBCooker:
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def serve(self):
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# Empty the environment. The environment will be populated as
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# necessary from the data store.
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bb.utils.empty_environment()
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if self.configuration.profile:
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try:
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import cProfile as profile
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@ -331,8 +331,6 @@ def inheritFromOS(d):
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setVar(s, os.environ[s], d)
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except TypeError:
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pass
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os.unsetenv(s)
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del os.environ[s]
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def emit_var(var, o=sys.__stdout__, d = init(), all=False):
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"""Emit a variable to be sourced by a shell."""
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@ -354,6 +354,28 @@ def filter_environment(good_vars):
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return removed_vars
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def clean_environment():
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"""
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Clean up any spurious environment variables. This will remove any
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variables the user hasn't chose to preserve.
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"""
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if 'BB_PRESERVE_ENV' not in os.environ:
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if 'BB_ENV_WHITELIST' in os.environ:
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good_vars = os.environ['BB_ENV_WHITELIST'].split()
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else:
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good_vars = preserved_envvars_list()
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if 'BB_ENV_EXTRAWHITE' in os.environ:
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good_vars.extend(os.environ['BB_ENV_EXTRAWHITE'].split())
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filter_environment(good_vars)
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def empty_environment():
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"""
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Remove all variable from the environment.
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"""
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for s in os.environ.keys():
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os.unsetenv(s)
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del os.environ[s]
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def prunedir(topdir):
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# Delete everything reachable from the directory named in 'topdir'.
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# CAUTION: This is dangerous!
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