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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright 2014 the V8 project authors. All rights reserved. | 2 # Copyright 2014 the V8 project authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """ | 6 """ |
7 This script runs every build as a hook. If it detects that the build should | 7 This script runs every build as a hook. If it detects that the build should |
8 be clobbered, it will touch the file <build_dir>/.landmine_triggered. The | 8 be clobbered, it will touch the file <build_dir>/.landmine_triggered. The |
9 various build scripts will then check for the presence of this file and clobber | 9 various build scripts will then check for the presence of this file and clobber |
10 accordingly. The script will also emit the reasons for the clobber to stdout. | 10 accordingly. The script will also emit the reasons for the clobber to stdout. |
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54 """Does the work of setting, planting, and triggering landmines.""" | 54 """Does the work of setting, planting, and triggering landmines.""" |
55 out_dir = get_target_build_dir(landmine_utils.builder(), target) | 55 out_dir = get_target_build_dir(landmine_utils.builder(), target) |
56 | 56 |
57 landmines_path = os.path.join(out_dir, '.landmines') | 57 landmines_path = os.path.join(out_dir, '.landmines') |
58 if not os.path.exists(out_dir): | 58 if not os.path.exists(out_dir): |
59 return | 59 return |
60 | 60 |
61 if not os.path.exists(landmines_path): | 61 if not os.path.exists(landmines_path): |
62 print "Landmines tracker didn't exists." | 62 print "Landmines tracker didn't exists." |
63 | 63 |
64 # Make sure the landmines tracker exists. | 64 # FIXME(machenbach): Clobber deletes the .landmines tracker. Difficult |
65 open(landmines_path, 'a').close() | 65 # to know if we are right after a clobber or if it is first-time landmines |
| 66 # deployment. Also, a landmine-triggered clobber right after a clobber is |
| 67 # not possible. Different clobber methods for msvs, xcode and make all |
| 68 # have different blacklists of files that are not deleted. |
| 69 if os.path.exists(landmines_path): |
| 70 triggered = os.path.join(out_dir, '.landmines_triggered') |
| 71 with open(landmines_path, 'r') as f: |
| 72 old_landmines = f.readlines() |
| 73 if old_landmines != new_landmines: |
| 74 old_date = time.ctime(os.stat(landmines_path).st_ctime) |
| 75 diff = difflib.unified_diff(old_landmines, new_landmines, |
| 76 fromfile='old_landmines', tofile='new_landmines', |
| 77 fromfiledate=old_date, tofiledate=time.ctime(), n=0) |
66 | 78 |
67 triggered = os.path.join(out_dir, '.landmines_triggered') | 79 with open(triggered, 'w') as f: |
68 with open(landmines_path, 'r') as f: | 80 f.writelines(diff) |
69 old_landmines = f.readlines() | 81 print "Setting landmine: %s" % triggered |
70 if old_landmines != new_landmines: | 82 elif os.path.exists(triggered): |
71 old_date = time.ctime(os.stat(landmines_path).st_ctime) | 83 # Remove false triggered landmines. |
72 diff = difflib.unified_diff(old_landmines, new_landmines, | 84 os.remove(triggered) |
73 fromfile='old_landmines', tofile='new_landmines', | 85 print "Removing landmine: %s" % triggered |
74 fromfiledate=old_date, tofiledate=time.ctime(), n=0) | |
75 | |
76 with open(triggered, 'w') as f: | |
77 f.writelines(diff) | |
78 print "Setting landmine: %s" % triggered | |
79 elif os.path.exists(triggered): | |
80 # Remove false triggered landmines. | |
81 os.remove(triggered) | |
82 print "Removing landmine: %s" % triggered | |
83 with open(landmines_path, 'w') as f: | 86 with open(landmines_path, 'w') as f: |
84 f.writelines(new_landmines) | 87 f.writelines(new_landmines) |
85 with open(landmines_path, 'r') as f: | |
86 print "Content of the landmines tracker:" | |
87 print f.read() | |
88 | 88 |
89 | 89 |
90 def process_options(): | 90 def process_options(): |
91 """Returns a list of landmine emitting scripts.""" | 91 """Returns a list of landmine emitting scripts.""" |
92 parser = optparse.OptionParser() | 92 parser = optparse.OptionParser() |
93 parser.add_option( | 93 parser.add_option( |
94 '-s', '--landmine-scripts', action='append', | 94 '-s', '--landmine-scripts', action='append', |
95 default=[os.path.join(SRC_DIR, 'build', 'get_landmines.py')], | 95 default=[os.path.join(SRC_DIR, 'build', 'get_landmines.py')], |
96 help='Path to the script which emits landmines to stdout. The target ' | 96 help='Path to the script which emits landmines to stdout. The target ' |
97 'is passed to this script via option -t. Note that an extra ' | 97 'is passed to this script via option -t. Note that an extra ' |
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130 landmines.extend([('%s\n' % l.strip()) for l in output.splitlines()]) | 130 landmines.extend([('%s\n' % l.strip()) for l in output.splitlines()]) |
131 | 131 |
132 for target in ('Debug', 'Release'): | 132 for target in ('Debug', 'Release'): |
133 set_up_landmines(target, landmines) | 133 set_up_landmines(target, landmines) |
134 | 134 |
135 return 0 | 135 return 0 |
136 | 136 |
137 | 137 |
138 if __name__ == '__main__': | 138 if __name__ == '__main__': |
139 sys.exit(main()) | 139 sys.exit(main()) |
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