Add unzip.js instead of using 7za.exe. It greatly reduces the depot_tools.zip size.

Review URL: http://codereview.chromium.org/99233

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@14970 0039d316-1c4b-4281-b951-d872f2087c98

bootstrap/win/7z.license.txt

-      7-Zip Command line version
-      ~~~~~~~~~~~~~~~~~~~~~~~~~~
-      License for use and distribution
-      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-      7-Zip Copyright (C) 1999-2009 Igor Pavlov.
-
-      7za.exe is distributed under the GNU LGPL license
-
-      Notes: 
-        You can use 7-Zip on any computer, including a computer in a commercial 
-        organization. You don't need to register or pay for 7-Zip.
-
-
-      GNU LGPL information
-      --------------------
-
-        This library is free software; you can redistribute it and/or
-        modify it under the terms of the GNU Lesser General Public
-        License as published by the Free Software Foundation; either
-        version 2.1 of the License, or (at your option) any later version.
-
-        This library is distributed in the hope that it will be useful,
-        but WITHOUT ANY WARRANTY; without even the implied warranty of
-        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-        Lesser General Public License for more details.
-
-        You should have received a copy of the GNU Lesser General Public
-        License along with this library; if not, write to the Free Software
-        Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

bootstrap/win/7z.readme.txt

-7-Zip Command line version 4.65
--------------------------------
-
-7-Zip is a file archiver with high compression ratio.
-7za.exe is a standalone command line version of 7-Zip.
-
-7-Zip Copyright (C) 1999-2009 Igor Pavlov.
-
-Features of 7za.exe: 
-  - High compression ratio in new 7z format
-  - Supported formats:
-      - Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR 
-      - Unpacking only: Z
-  - Highest compression ratio for ZIP and GZIP formats.
-  - Fast compression and decompression
-  - Strong AES-256 encryption in 7z and ZIP formats.
-
-7za.exe is a free software distributed under the GNU LGPL.
-Read license.txt for more information.
-
-Source code of 7za.exe and 7-Zip can be found at
-http://www.7-zip.org/
-
-7za.exe can work in Windows 95/98/ME/NT/2000/XP/2003/Vista.
-
-There is also port of 7za.exe for POSIX systems like Unix (Linux, Solaris, OpenBSD, 
-FreeBSD, Cygwin, AIX, ...), MacOS X and BeOS:
-
-http://p7zip.sourceforge.net/
-
-
-  This distributive packet contains the following files:
-
-  7za.exe       - 7-Zip standalone command line version.
-  readme.txt    - This file.
-  copying.txt   - GNU LGPL license.
-  license.txt   - License information.
-  7-zip.chm     - User's Manual in HTML Help format.
-
-
----
-End of document

bootstrap/win/get_file.js

@@ -112,7 +112,7 @@ Number.prototype.toHex = function NumberToHex(length) {
 };
 
 if (WScript.Arguments.length != 2) {
-  WScript.StdOut.Write("Incorrect arguments to download.js")
+  WScript.StdOut.Write("Incorrect arguments to get_file.js")
 } else {
   Download(WScript.Arguments(0), WScript.Arguments(1), false);
 }

bootstrap/win/unzip.js

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function Unzip(file, path, verbose) {
+  if (verbose) {
+    WScript.StdOut.Write(" *  UNZIP " + file);
+  }
+  var shell_app;
+  var fso;
+  try {
+    shell_app = new ActiveXObject("Shell.Application");
+    fso = new ActiveXObject("Scripting.FileSystemObject");
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] OBJECTS " + new Number(e.number).toHex() + 
+        ": Cannot create Active-X object (" + e.description) + ").";
+    WScript.Quit(1);
+  }
+  // shell_app.Namespace() doesn't work with relative paths.
+  //current_dir = fso.GetFolder('.').Path + '\\'
+  //path = current_dir + path
+  //file = current_dir + file
+  var out;
+  var zip;
+  try {
+    if (!fso.FolderExists(path)) {
+      fso.CreateFolder(path);
+    }
+    out = shell_app.Namespace(path);
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] SHELL.APPLICATION " +
+        new Number(e.number).toHex() + 
+        ": Failed to open output directory.");
+    WScript.Quit(1);
+  }
+  if (!out) {
+    WScript.StdOut.WriteLine("[-] SHELL.APPLICATION : Failed to open output directory.");
+    WScript.Quit(1);
+  }
+
+  try {
+    zip = shell_app.Namespace(file);
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] SHELL.APPLICATION " +
+        new Number(e.number).toHex() + 
+        ": Failed to open zip file.");
+    WScript.Quit(1);
+  }
+  if (!zip) {
+    WScript.StdOut.WriteLine("[-] SHELL.APPLICATION " +
+        ": Failed to open zip file.");
+    WScript.Quit(1);
+  }
+
+  try {
+    out.CopyHere(zip.Items());
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] SHELL.APPLICATION " +
+        new Number(e.number).toHex() + 
+        ": Failed to extract.");
+    WScript.Quit(1);
+  }
+  if (verbose) {
+    WScript.StdOut.WriteLine("ok.");
+  }
+}
+
+// Utilities
+Number.prototype.isInt = function NumberIsInt() {
+  return this % 1 == 0; 
+};
+Number.prototype.toHex = function NumberToHex(length) {
+  if (arguments.length == 0) length = 1;
+  if (typeof(length) != "number" && !(length instanceof Number)) {
+    throw Exception("Length must be a positive integer larger than 0.", 
+        TypeError, 0);
+  }
+  if (length < 1 || !length.isInt()) {
+    throw Exception("Length must be a positive integer larger than 0.", 
+        "RangeError", 0);
+  }
+  var result = (this + (this < 0 ? 0x100000000 : 0)).toString(16);
+  while (result.length < length) result = "0" + result;
+  return result;
+};
+
+if (WScript.Arguments.length != 2) {
+  WScript.StdOut.Write("Incorrect arguments to unzip.js")
+} else {
+  Unzip(WScript.Arguments(0), WScript.Arguments(1), false);
+}

bootstrap/win/win_tools.bat

@@ -24,13 +24,12 @@ goto :PYTHON_CHECK
 echo Installing subversion ...
 :: svn is not accessible; check it out and create 'proxy' files.
 if exist "%~dp0svn.7z" del "%~dp0svn.7z"
-cscript //nologo //e:jscript "%~dp0get_file.js" %WIN_TOOLS_ROOT_URL%/third_party/svn_win_client.7z "%~dp0svn.7z"
+cscript //nologo //e:jscript "%~dp0get_file.js" %WIN_TOOLS_ROOT_URL%/third_party/svn_win_client.zip "%~dp0svn.zip"
 if errorlevel 1 goto :SVN_FAIL
-echo call "%~dp07za" x -y "%~dp0svn.7z" -o"%WIN_TOOLS_ROOT_DIR%" 1>nul
-call "%~dp07za" x -y "%~dp0svn.7z" -o"%WIN_TOOLS_ROOT_DIR%" 1>nul
+cscript //nologo //e:jscript "%~dp0unzip.js" "%~dp0svn.zip" "%WIN_TOOLS_ROOT_DIR%"
 if errorlevel 1 goto :SVN_FAIL
 if not exist "%WIN_TOOLS_ROOT_DIR%\svn\." goto :SVN_FAIL
-del "%~dp0svn.7z"
+del "%~dp0svn.zip"
 :: Create the batch file.
 call copy /y "%~dp0svn.bat" "%WIN_TOOLS_ROOT_DIR%\svn.bat" 1>nul
 goto :PYTHON_CHECK