163 lines
6.3 KiB
Python
Executable File
163 lines
6.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# bitbake-diffsigs
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# BitBake task signature data comparison utility
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#
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# Copyright (C) 2012-2013, 2017 Intel Corporation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import os
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import sys
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import warnings
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import fnmatch
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import argparse
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import logging
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import pickle
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sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
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import bb.tinfoil
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import bb.siggen
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import bb.msg
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logger = bb.msg.logger_create('bitbake-diffsigs')
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def find_compare_task(bbhandler, pn, taskname, sig1=None, sig2=None, color=False):
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""" Find the most recent signature files for the specified PN/task and compare them """
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if not hasattr(bb.siggen, 'find_siginfo'):
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logger.error('Metadata does not support finding signature data files')
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sys.exit(1)
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if not taskname.startswith('do_'):
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taskname = 'do_%s' % taskname
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if sig1 and sig2:
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sigfiles = bb.siggen.find_siginfo(pn, taskname, [sig1, sig2], bbhandler.config_data)
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if len(sigfiles) == 0:
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logger.error('No sigdata files found matching %s %s matching either %s or %s' % (pn, taskname, sig1, sig2))
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sys.exit(1)
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elif not sig1 in sigfiles:
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logger.error('No sigdata files found matching %s %s with signature %s' % (pn, taskname, sig1))
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sys.exit(1)
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elif not sig2 in sigfiles:
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logger.error('No sigdata files found matching %s %s with signature %s' % (pn, taskname, sig2))
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sys.exit(1)
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latestfiles = [sigfiles[sig1], sigfiles[sig2]]
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else:
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filedates = bb.siggen.find_siginfo(pn, taskname, None, bbhandler.config_data)
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latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-3:]
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if not latestfiles:
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logger.error('No sigdata files found matching %s %s' % (pn, taskname))
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sys.exit(1)
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elif len(latestfiles) < 2:
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logger.error('Only one matching sigdata file found for the specified task (%s %s)' % (pn, taskname))
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sys.exit(1)
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# Define recursion callback
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def recursecb(key, hash1, hash2):
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hashes = [hash1, hash2]
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hashfiles = bb.siggen.find_siginfo(key, None, hashes, bbhandler.config_data)
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recout = []
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if len(hashfiles) == 0:
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recout.append("Unable to find matching sigdata for %s with hashes %s or %s" % (key, hash1, hash2))
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elif not hash1 in hashfiles:
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recout.append("Unable to find matching sigdata for %s with hash %s" % (key, hash1))
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elif not hash2 in hashfiles:
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recout.append("Unable to find matching sigdata for %s with hash %s" % (key, hash2))
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else:
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out2 = bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb, color=color)
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for change in out2:
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for line in change.splitlines():
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recout.append(' ' + line)
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return recout
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# Recurse into signature comparison
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logger.debug("Signature file (previous): %s" % latestfiles[-2])
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logger.debug("Signature file (latest): %s" % latestfiles[-1])
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output = bb.siggen.compare_sigfiles(latestfiles[-2], latestfiles[-1], recursecb, color=color)
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if output:
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print('\n'.join(output))
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sys.exit(0)
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parser = argparse.ArgumentParser(
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description="Compares siginfo/sigdata files written out by BitBake")
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parser.add_argument('-d', '--debug',
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help='Enable debug output',
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action='store_true')
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parser.add_argument('--color',
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help='Colorize output (where %(metavar)s is %(choices)s)',
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choices=['auto', 'always', 'never'], default='auto', metavar='color')
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parser.add_argument("-t", "--task",
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help="find the signature data files for last two runs of the specified task and compare them",
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action="store", dest="taskargs", nargs=2, metavar=('recipename', 'taskname'))
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parser.add_argument("-s", "--signature",
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help="With -t/--task, specify the signatures to look for instead of taking the last two",
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action="store", dest="sigargs", nargs=2, metavar=('fromsig', 'tosig'))
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parser.add_argument("sigdatafile1",
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help="First signature file to compare (or signature file to dump, if second not specified). Not used when using -t/--task.",
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action="store", nargs='?')
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parser.add_argument("sigdatafile2",
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help="Second signature file to compare",
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action="store", nargs='?')
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options = parser.parse_args()
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if options.debug:
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logger.setLevel(logging.DEBUG)
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color = (options.color == 'always' or (options.color == 'auto' and sys.stdout.isatty()))
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if options.taskargs:
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with bb.tinfoil.Tinfoil() as tinfoil:
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tinfoil.prepare(config_only=True)
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if options.sigargs:
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find_compare_task(tinfoil, options.taskargs[0], options.taskargs[1], options.sigargs[0], options.sigargs[1], color=color)
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else:
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find_compare_task(tinfoil, options.taskargs[0], options.taskargs[1], color=color)
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else:
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if options.sigargs:
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logger.error('-s/--signature can only be used together with -t/--task')
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sys.exit(1)
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try:
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if options.sigdatafile1 and options.sigdatafile2:
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output = bb.siggen.compare_sigfiles(options.sigdatafile1, options.sigdatafile2, color=color)
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elif options.sigdatafile1:
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output = bb.siggen.dump_sigfile(options.sigdatafile1)
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else:
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logger.error('Must specify signature file(s) or -t/--task')
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parser.print_help()
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sys.exit(1)
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except IOError as e:
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logger.error(str(e))
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sys.exit(1)
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except (pickle.UnpicklingError, EOFError):
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logger.error('Invalid signature data - ensure you are specifying sigdata/siginfo files')
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sys.exit(1)
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if output:
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print('\n'.join(output))
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