3 # Copyright 2015 Google Inc.
5 # Use of this source code is governed by a BSD-style license that can be
6 # found in the LICENSE file.
8 # This script will update Skia's dependencies as necessary and run
11 # Depends on: Python, Git, and depot_tools.
15 # git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
16 # export PATH="${PWD}/depot_tools:${PATH}"
17 # git clone https://skia.googlesource.com/skia
19 # python bin/sync-and-gyp
20 # ninja -C out/Debug && out/Debug/dm
22 # Once changes are made to DEPS or gyp/ or the source, call:
24 # python bin/sync-and-gyp
26 # To retreive and use all optional deps:
28 # python bin/sync-and-gyp --deps=all
29 # ninja -C out/Debug && out/Debug/dm
37 skia_dir = os.path.join(os.path.dirname(__file__), os.pardir)
39 skia_opt_deps = [arg for arg in sys.argv[1:] if arg.startswith('--deps=')]
41 skia_out = os.environ.get("SKIA_OUT")
43 skia_out = os.path.abspath(skia_out)
44 hash_path = os.path.join(skia_out, 'gyp_hash')
46 hash_path = os.path.join('out', 'gyp_hash')
50 if not os.path.isfile('DEPS'):
51 sys.stderr.write('DEPS file missing')
54 deps_hasher = hashlib.sha1()
55 with open('DEPS', 'r') as f:
56 deps_hasher.update(f.read())
57 deps_hasher.update(repr(skia_opt_deps))
58 deps_hash = deps_hasher.hexdigest()
59 current_deps_hash = None
60 if os.path.isfile('.deps_sha1'):
61 with open('.deps_sha1', 'r') as f:
62 current_deps_hash = f.read().strip()
64 default_gclient_config = '''
67 "url" : "https://skia.googlesource.com/skia.git",
77 if current_deps_hash != deps_hash:
78 # `gclient sync` is very slow, so skip whenever we can.
79 if not os.path.isfile('.gclient'):
80 with open('.gclient', 'w') as o:
81 o.write(default_gclient_config)
82 gclient_sync_command = ['gclient', 'sync'] + skia_opt_deps
84 sys.stdout.write('%r\n' % gclient_sync_command)
85 subprocess.check_call(gclient_sync_command)
87 sys.stderr.write('\n`gclient sync` failed.\n')
88 os.remove('.deps_sha1') # Unknown state.
90 # Only write hash after a successful sync.
91 with open('.deps_sha1', 'w') as o:
94 hasher = hashlib.sha1()
96 for var in ['AR', 'AR_host', 'AR_target',
97 'CC', 'CC_host', 'CC_target',
98 'CFLAGS', 'CFLAGS_host',
99 'CPPFLAGS', 'CPPFLAGS_host',
100 'CXX', 'CXX_host', 'CXX_target',
101 'GYP_DEFINES', 'GYP_GENERATORS',
102 'NM', 'NM_host', 'NM_target',
103 'READELF', 'READELF_host', 'READELF_target']:
104 hasher.update(os.environ.get(var, '') + '\n')
106 def listfiles(folder, matchfilter):
107 for root, folders, files in os.walk(folder):
108 for filename in files:
109 if fnmatch.fnmatch(filename, matchfilter):
110 yield os.path.join(root, filename)
112 for filename in sorted(listfiles('gyp', '*')):
113 with open(filename, 'r') as f:
114 hasher.update(f.read())
116 for dir in ['bench', 'gm', 'tests']:
117 for filename in sorted(listfiles(dir, '*.c*')):
118 hasher.update(filename + '\n')
120 gyp_hash = hasher.hexdigest()
122 def cat_if_exists(path):
123 if os.path.exists(path):
124 with open(path, 'r') as f:
128 if cat_if_exists(hash_path).strip() != gyp_hash:
129 env = os.environ.copy()
131 env['SKIA_OUT'] = skia_out
132 subprocess.call(['python', './gyp_skia'], env=env)
133 with open(hash_path, 'w') as o: