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1 #!/usr/bin/env python | |
2 # Copyright 2014 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 '''Tool to roll Mojo into Chromium. See: | |
7 https://github.com/domokit/mojo/wiki/Rolling-code-between-chromium-and-mojo#mojo
---chromium-updates-sdk--edk | |
8 ''' | |
9 | |
10 import os | |
11 import sys | |
12 from utils import commit | |
13 from utils import chromium_root_dir | |
14 from utils import system | |
15 | |
16 sdk_prefix_in_chromium = 'third_party/mojo/src' | |
17 sdk_dirs_to_clone = [ | |
18 'mojo/edk', | |
19 'mojo/public', | |
20 'nacl_bindings', | |
21 ] | |
22 | |
23 sdk_dirs_to_not_clone = [ | |
24 'mojo/public/cpp/application', | |
25 'mojo/public/interfaces/application', | |
26 'mojo/public/interfaces/network', | |
27 'mojo/public/java/application', | |
28 ] | |
29 | |
30 # Individual files to preserve within the target repository during roll. These | |
31 # are relative to |sdk_prefix_in_chromium| but are not maintained in the mojo | |
32 # repository. | |
33 preserved_chromium_files = [ | |
34 'mojo/edk/DEPS', | |
35 'mojo/public/DEPS', | |
36 'mojo/public/c/gpu/DEPS', | |
37 'mojo/public/platform/nacl/DEPS', | |
38 'nacl_bindings/DEPS', | |
39 ] | |
40 | |
41 # A dictionary mapping dirs to clone to their destination locations in Chromium. | |
42 dirs_to_clone = {} | |
43 | |
44 for sdk_dir in sdk_dirs_to_clone: | |
45 sdk_dir_in_chromium = os.path.join(sdk_prefix_in_chromium, sdk_dir) | |
46 dirs_to_clone[sdk_dir] = sdk_dir_in_chromium | |
47 | |
48 def rev(source_dir, chromium_dir, mojo_revision): | |
49 src_commit = system(['git', 'rev-parse', mojo_revision], | |
50 cwd=source_dir).strip() | |
51 | |
52 for input_dir, dest_dir in dirs_to_clone.iteritems(): | |
53 if os.path.exists(os.path.join(chromium_dir, dest_dir)): | |
54 print 'removing directory %s' % dest_dir | |
55 system(['git', 'rm', '-r', dest_dir], cwd=chromium_dir) | |
56 print 'cloning directory %s into %s' % (input_dir, dest_dir) | |
57 files = system(['git', 'ls-files', input_dir], cwd=source_dir) | |
58 for f in files.splitlines(): | |
59 # Don't copy presubmit files over since the code is read-only on the | |
60 # chromium side. | |
61 if os.path.basename(f) == 'PRESUBMIT.py': | |
62 continue | |
63 | |
64 exclude = False | |
65 for excluded in sdk_dirs_to_not_clone: | |
66 if f.startswith(excluded): | |
67 exclude = True | |
68 break | |
69 if exclude: | |
70 continue | |
71 | |
72 # Clone |f| into Chromium under |dest_dir| at its location relative to | |
73 # |input_dir|. | |
74 f_relpath = os.path.relpath(f, input_dir) | |
75 dest_path = os.path.join(chromium_dir, dest_dir, f_relpath) | |
76 system(['mkdir', '-p', os.path.dirname(dest_path)]) | |
77 system(['cp', os.path.join(source_dir, f), dest_path]) | |
78 os.chdir(chromium_dir) | |
79 system(['git', 'add', dest_dir], cwd=chromium_dir) | |
80 | |
81 mojo_public_dest_dir = os.path.join(sdk_prefix_in_chromium, 'mojo/public') | |
82 version_filename = os.path.join(mojo_public_dest_dir, 'VERSION') | |
83 with open(version_filename, 'w') as version_file: | |
84 version_file.write(src_commit) | |
85 system(['git', 'add', version_filename], cwd=chromium_dir) | |
86 | |
87 # Reset preserved files that were blown away. | |
88 for rel_path in preserved_chromium_files: | |
89 preserved_path = os.path.join(sdk_prefix_in_chromium, rel_path) | |
90 system(['git', 'reset', '--', preserved_path]) | |
91 system(['git', 'checkout', preserved_path]) | |
92 | |
93 commit('Update mojo sdk to rev ' + src_commit, cwd=chromium_dir) | |
94 | |
95 if len(sys.argv) < 2: | |
96 print 'usage: rev_sdk.py <mojo source dir> [<mojo revision>]' | |
97 sys.exit(1) | |
98 | |
99 # Allow override of the roll revision. | |
100 revision = sys.argv[2] if len(sys.argv) == 3 else 'origin/HEAD' | |
101 rev(sys.argv[1], chromium_root_dir, revision) | |
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