diff options
Diffstat (limited to 'bitbake/bin/bitbake-diffsigs')
-rwxr-xr-x | bitbake/bin/bitbake-diffsigs | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/bitbake/bin/bitbake-diffsigs b/bitbake/bin/bitbake-diffsigs new file mode 100755 index 0000000000..08ae00db0f --- /dev/null +++ b/bitbake/bin/bitbake-diffsigs | |||
@@ -0,0 +1,122 @@ | |||
1 | #!/usr/bin/env python | ||
2 | |||
3 | # bitbake-diffsigs | ||
4 | # BitBake task signature data comparison utility | ||
5 | # | ||
6 | # Copyright (C) 2012-2013 Intel Corporation | ||
7 | # | ||
8 | # This program is free software; you can redistribute it and/or modify | ||
9 | # it under the terms of the GNU General Public License version 2 as | ||
10 | # published by the Free Software Foundation. | ||
11 | # | ||
12 | # This program is distributed in the hope that it will be useful, | ||
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | # GNU General Public License for more details. | ||
16 | # | ||
17 | # You should have received a copy of the GNU General Public License along | ||
18 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
20 | |||
21 | import os | ||
22 | import sys | ||
23 | import warnings | ||
24 | import fnmatch | ||
25 | import optparse | ||
26 | import logging | ||
27 | |||
28 | sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib')) | ||
29 | |||
30 | import bb.tinfoil | ||
31 | import bb.siggen | ||
32 | |||
33 | def logger_create(name, output=sys.stderr): | ||
34 | logger = logging.getLogger(name) | ||
35 | console = logging.StreamHandler(output) | ||
36 | format = bb.msg.BBLogFormatter("%(levelname)s: %(message)s") | ||
37 | if output.isatty(): | ||
38 | format.enable_color() | ||
39 | console.setFormatter(format) | ||
40 | logger.addHandler(console) | ||
41 | logger.setLevel(logging.INFO) | ||
42 | return logger | ||
43 | |||
44 | logger = logger_create('bitbake-diffsigs') | ||
45 | |||
46 | def find_compare_task(bbhandler, pn, taskname): | ||
47 | """ Find the most recent signature files for the specified PN/task and compare them """ | ||
48 | |||
49 | if not hasattr(bb.siggen, 'find_siginfo'): | ||
50 | logger.error('Metadata does not support finding signature data files') | ||
51 | sys.exit(1) | ||
52 | |||
53 | if not taskname.startswith('do_'): | ||
54 | taskname = 'do_%s' % taskname | ||
55 | |||
56 | filedates = bb.siggen.find_siginfo(pn, taskname, None, bbhandler.config_data) | ||
57 | latestfiles = sorted(filedates.keys(), key=lambda f: filedates[f])[-2:] | ||
58 | if not latestfiles: | ||
59 | logger.error('No sigdata files found matching %s %s' % (pn, taskname)) | ||
60 | sys.exit(1) | ||
61 | elif len(latestfiles) < 2: | ||
62 | logger.error('Only one matching sigdata file found for the specified task (%s %s)' % (pn, taskname)) | ||
63 | sys.exit(1) | ||
64 | else: | ||
65 | # Define recursion callback | ||
66 | def recursecb(key, hash1, hash2): | ||
67 | hashes = [hash1, hash2] | ||
68 | hashfiles = bb.siggen.find_siginfo(key, None, hashes, bbhandler.config_data) | ||
69 | |||
70 | recout = [] | ||
71 | if len(hashfiles) == 2: | ||
72 | out2 = bb.siggen.compare_sigfiles(hashfiles[hash1], hashfiles[hash2], recursecb) | ||
73 | recout.extend(list(' ' + l for l in out2)) | ||
74 | else: | ||
75 | recout.append("Unable to find matching sigdata for %s with hashes %s or %s" % (key, hash1, hash2)) | ||
76 | |||
77 | return recout | ||
78 | |||
79 | # Recurse into signature comparison | ||
80 | output = bb.siggen.compare_sigfiles(latestfiles[0], latestfiles[1], recursecb) | ||
81 | if output: | ||
82 | print '\n'.join(output) | ||
83 | sys.exit(0) | ||
84 | |||
85 | |||
86 | |||
87 | parser = optparse.OptionParser( | ||
88 | description = "Compares siginfo/sigdata files written out by BitBake", | ||
89 | usage = """ | ||
90 | %prog -t recipename taskname | ||
91 | %prog sigdatafile1 sigdatafile2 | ||
92 | %prog sigdatafile1""") | ||
93 | |||
94 | parser.add_option("-t", "--task", | ||
95 | help = "find the signature data files for last two runs of the specified task and compare them", | ||
96 | action="store", dest="taskargs", nargs=2, metavar='recipename taskname') | ||
97 | |||
98 | options, args = parser.parse_args(sys.argv) | ||
99 | |||
100 | if options.taskargs: | ||
101 | tinfoil = bb.tinfoil.Tinfoil() | ||
102 | tinfoil.prepare(config_only = True) | ||
103 | find_compare_task(tinfoil, options.taskargs[0], options.taskargs[1]) | ||
104 | else: | ||
105 | if len(args) == 1: | ||
106 | parser.print_help() | ||
107 | else: | ||
108 | import cPickle | ||
109 | try: | ||
110 | if len(args) == 2: | ||
111 | output = bb.siggen.dump_sigfile(sys.argv[1]) | ||
112 | else: | ||
113 | output = bb.siggen.compare_sigfiles(sys.argv[1], sys.argv[2]) | ||
114 | except IOError as e: | ||
115 | logger.error(str(e)) | ||
116 | sys.exit(1) | ||
117 | except cPickle.UnpicklingError, EOFError: | ||
118 | logger.error('Invalid signature data - ensure you are specifying sigdata/siginfo files') | ||
119 | sys.exit(1) | ||
120 | |||
121 | if output: | ||
122 | print '\n'.join(output) | ||