Keep only base/extractor.[cc|h].

installers/build_metainstaller.py

-#!/usr/bin/python2.4
-#
-# Copyright 2009-2010 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# ========================================================================
-
-"""Build a meta-installer for Omaha's client installations.
-
-  The only function in this module creates an Omaha meta-installer, which is
-  an executable whose only job is to extract its payload (the actual installer
-  executable and a number of resource dlls), then launch the dropped installer
-  to finish the installation.
-
-  BuildMetaInstaller(): Build a meta-installer.
-"""
-
-
-def BuildMetaInstaller(
-    env,
-    target_name,
-    omaha_version_info,
-    empty_metainstaller_path,
-    omaha_files_path,
-    prefix='',
-    suffix='',
-    additional_payload_contents=None,
-    additional_payload_contents_dependencies=None,
-    output_dir='$STAGING_DIR',
-    installers_sources_path='$MAIN_DIR/installers',
-    lzma_path='$MAIN_DIR/third_party/lzma/v4_65/files/lzma.exe',
-    resmerge_path='$MAIN_DIR/tools/resmerge.exe',
-    bcj2_path='$OBJ_ROOT/mi_exe_stub/x86_encoder/bcj2.exe'):
-  """Build a meta-installer.
-
-    Builds a full meta-installer, which is a meta-installer containing a full
-    list of required files (the payload), ie. language resourse dlls, installer
-    executables, etc.
-
-  Args:
-    env: environment to build with
-    target_name: name to use for the target executable
-    omaha_version_info: info about the version of the Omaha files
-    empty_metainstaller_path: path to the base (empty) meta-installer executable
-    omaha_files_path: path to the resource dlls to build into the
-        target executable
-    prefix: target file name prefix, used to distinguish different targets
-    suffix: target file name suffix, used to distinguish different targets
-    additional_payload_contents: any additional resources to build into the
-        executable, beyond the normal payload files
-    additional_payload_contents_dependencies: extra dependencies to be used to
-        ensure the executable is rebuilt when required
-    output_dir: path to the directory that will contain the metainstaller
-    installers_sources_path: path to the directory containing the source files
-        for building the metainstaller
-    lzma_path: path to lzma.exe
-    resmerge_path: path to resmerge.exe
-    bcj2_path: path to bcj2.exe
-
-  Returns:
-    Target nodes.
-
-  Raises:
-    Nothing.
-  """
-
-  # Payload .tar.lzma
-  tarball_filename = '%spayload%s.tar' % (prefix, suffix)
-  payload_filename = tarball_filename + '.lzma'
-
-  # Collect a list of all the files to include in the payload
-  payload_file_names = omaha_version_info.GetMetainstallerPayloadFilenames()
-
-  payload_contents = [omaha_files_path + '/' + file_name
-                      for file_name in payload_file_names]
-  if additional_payload_contents:
-    payload_contents += additional_payload_contents
-
-  # Create the tarball
-  tarball_output = env.Command(
-      target=tarball_filename,    # Archive filename
-      source=payload_contents,    # List of files to include in tarball
-      action='python.exe %s -o $TARGET $SOURCES' % (
-          env.File(installers_sources_path + '/generate_tarball.py').abspath),
-  )
-
-  # Add potentially hidden dependencies
-  if additional_payload_contents_dependencies:
-    env.Depends(tarball_output, additional_payload_contents_dependencies)
-
-  # Preprocess the tarball to increase compressibility
-  bcj_filename = '%spayload%s.tar.bcj' % (prefix, suffix)
-  # TODO(omaha): Add the bcj2 path as an optional parameter.
-  bcj_output = env.Command(
-      target=bcj_filename,
-      source=tarball_output,
-      action='%s "$SOURCES" "$TARGET"' % bcj2_path,
-  )
-  env.Depends(bcj_output, bcj2_path)
-
-  # Compress the tarball
-  lzma_env = env.Clone()
-  lzma_env.Append(
-      LZMAFLAGS=[],
-  )
-  lzma_output = lzma_env.Command(
-      target=payload_filename,
-      source=bcj_output,
-      action='%s e $SOURCES $TARGET $LZMAFLAGS' % lzma_path,
-  )
-
-  # Construct the resource generation script
-  manifest_path = installers_sources_path + '/installers.manifest'
-  res_command = 'python.exe %s -i %s -o $TARGET -p $SOURCES -m %s -r %s' % (
-      env.File(installers_sources_path + '/generate_resource_script.py'
-              ).abspath,
-      env.File(installers_sources_path + '/resource.rc.in').abspath,
-      env.File(manifest_path).abspath,
-      env.File(installers_sources_path + '/resource.h').abspath
-      )
-
-  # Generate the .rc file
-  rc_output = env.Command(
-      target='%sresource%s.rc' % (prefix, suffix),
-      source=lzma_output,
-      action=res_command,
-  )
-
-  # .res intermediate file
-  res_file = env.RES(rc_output)
-
-  # For some reason, RES() does not cause the .res file to depend on .rc input.
-  # It also does not detect the dependencies in the .rc file.
-  # This does not cause a rebuild for rarely changing files in res_command.
-  env.Depends(res_file, [rc_output, manifest_path, lzma_output])
-
-  # Resource DLL
-  dll_env = env.Clone(COMPONENT_STATIC=False)
-  dll_env['LINKFLAGS'] += ['/noentry']
-
-  dll_inputs = [
-      installers_sources_path + '/resource_only_dll.def',
-      res_file
-      ]
-
-  dll_output = dll_env.ComponentLibrary(
-      lib_name='%spayload%s' % (prefix, suffix),
-      source=dll_inputs,
-  )
-
-  # Get only the dll itself from the output (ie. ignore .pdb, etc.)
-  dll_output_name = [f for f in dll_output if f.suffix == '.dll']
-
-  # Build the target setup executable by merging the empty metafile
-  # with the resource DLL built above.
-  merged_output = env.Command(
-      target='unsigned_' + target_name,
-      source=[empty_metainstaller_path, dll_output_name],
-      action= '%s --copyappend $SOURCES $TARGET' % resmerge_path
-  )
-
-  signed_exe = env.SignedBinary(
-      target=target_name,
-      source=merged_output,
-  )
-
-  return env.Replicate(output_dir, signed_exe)