Using chrome's VERSION file for branches, or the svn rev for trunk

native_client_sdk/src/build_tools/build_utils.py

 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Small utility library of python functions used by the various package
 installers.
 """
 
 import datetime
 import errno
 import fileinput
 import os
 import platform
 import re
 import shutil
 import subprocess
 import sys
 
 from nacl_sdk_scons import nacl_utils
 
 
-def ChromeMilestone():
-  '''Extract chrome_milestone from src/DEPS
+# Reuse last change utility code.
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+SRC_DIR = os.path.dirname(os.path.dirname(os.path.dirname(SCRIPT_DIR)))
+sys.path.append(os.path.join(SRC_DIR, 'build/util'))
+import lastchange
+
+
+# Location of chrome's version file.
+VERSION_PATH = os.path.join(SRC_DIR, 'chrome', 'VERSION')
+
+
+def ChromeVersion():
+  '''Extract chrome version from src/chrome/VERSION + svn.
 
   Returns:
-    Chrome milestone variable value from src/DEPS.
+    Chrome version string or trunk + svn rev.
   '''
-  parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-  def From(x, y):
-    return ''
-  def Var(x):
-    return ''
-  def File(x):
-    return ''
-  with open(os.path.join(parent_dir, 'DEPS'), 'r') as fh:
-    exec(fh.read())
-  return vars.get('chrome_milestone')
+  info = lastchange.FetchVersionInfo(None)
+  if info.url.startswith('/trunk/'):
+    return 'trunk.%s' % info.revision
+  else:
+    exec(open(VERSION_PATH, 'r').read())
+    return '%s.%s.%s.%s' % (MAJOR, MINOR, BUILD, PATCH)
+
+
+def ChromeMajorVersion():
+  '''Extract chrome major version from src/chrome/VERSION.
+
+  Returns:
+    Chrome major version.
+  '''
+  exec(open(VERSION_PATH, 'r').read())
+  return str(MAJOR)
 
 
 #------------------------------------------------------------------------------
 # Parameters
 
 # Revision numbers for the SDK
-PLATFORM_VERSION = 'pepper_' + ChromeMilestone()
+PLATFORM_VERSION = 'pepper_' + ChromeMajorVersion()
 
 TOOLCHAIN_AUTODETECT = "AUTODETECT"
 
 #------------------------------------------------------------------------------
 # Functions
 
 # Make all the directories in |abs_path|.  If |abs_path| points to a regular
 # file, it is removed before an attempt to make the directories.  If |abs_path|
 # already points to a directory, this method does nothing.
 def ForceMakeDirs(abs_path, mode=0755):
@@ skipping 243 matching lines @@
   Args:
     dir: The directory to clean
   '''
   if sys.platform != 'win32':
     shutil.rmtree(dir, ignore_errors=True)
   else:
     # Intentionally ignore return value since a directory might be in use.
     subprocess.call(['rmdir', '/Q', '/S', dir],
                     env=os.environ.copy(),
                     shell=True)