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1 #!/usr/bin/env python | |
2 # Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 '''Emits a webkit_version.h header file with | |
7 WEBKIT_MAJOR_VERSION and WEBKIT_MINOR_VERSION macros. | |
8 ''' | |
9 | |
10 import os | |
11 import re | |
12 import sys | |
13 | |
14 # Get the full path of the current script which would be something like | |
15 # src/webkit/build/webkit_version.py and navigate backwards twice to strip the | |
16 # last two path components to get to the srcroot. | |
17 # This is to ensure that the script can load the lastchange module by updating | |
18 # the sys.path variable with the desired location. | |
19 path = os.path.dirname(os.path.realpath(__file__)) | |
20 path = os.path.dirname(os.path.dirname(path)) | |
21 path = os.path.join(path, 'build', 'util') | |
22 | |
23 sys.path.insert(0, path) | |
24 import lastchange | |
25 | |
26 | |
27 def GetWebKitRevision(webkit_src_dir): | |
28 """Get the WebKit revision, in the form 'trunk@1234'.""" | |
29 | |
30 version_info = lastchange.FetchVersionInfo( | |
31 default_lastchange=None, | |
32 directory=webkit_src_dir, | |
33 directory_regex_prior_to_src_url='webkit') | |
34 | |
35 if version_info.url == None: | |
36 version_info.url = 'Unknown URL' | |
37 version_info.url = version_info.url.strip('/') | |
38 | |
39 if version_info.revision == None: | |
40 version_info.revision = '0' | |
41 | |
42 return "%s@%s" % (version_info.url, version_info.revision) | |
43 | |
44 | |
45 def EmitVersionHeader(webkit_src_dir, output_dir): | |
46 '''Emit a header file that we can use from within webkit_glue.cc.''' | |
47 | |
48 # These are hard-coded from when we forked Blink. Presumably these | |
49 # would be better in a header somewhere. | |
50 major, minor = (537, 36) | |
51 webkit_revision = GetWebKitRevision(webkit_src_dir) | |
52 | |
53 fname = os.path.join(output_dir, "webkit_version.h") | |
54 f = open(fname, 'wb') | |
55 template = """// webkit_version.h | |
56 // generated from %s | |
57 | |
58 #define WEBKIT_VERSION_MAJOR %d | |
59 #define WEBKIT_VERSION_MINOR %d | |
60 #define WEBKIT_SVN_REVISION "%s" | |
61 """ % (webkit_src_dir, major, minor, webkit_revision) | |
62 f.write(template) | |
63 f.close() | |
64 return 0 | |
65 | |
66 | |
67 def main(): | |
68 return EmitVersionHeader(*sys.argv[1:]) | |
69 | |
70 | |
71 if __name__ == "__main__": | |
72 sys.exit(main()) | |
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