Revert 252633 "Switch to opt-out for toolchain"

> Switch to opt-out for toolchain
> 
> R=maruel@chromium.org
> BUG=323300
> 
> Review URL: https://codereview.chromium.org/174663005

TBR=scottmg@chromium.org

Review URL: https://codereview.chromium.org/175743002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@252634 0039d316-1c4b-4281-b951-d872f2087c98

update_depot_tools.bat

-@echo off
-:: Copyright (c) 2012 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.
-
-:: This batch file will try to sync the root directory.
-
-setlocal
-
-:: Windows freaks out if a file is overwritten while it's being executed.  Copy
-:: this script off to a temporary location and reinvoke from there before
-:: running any svn or git commands.
-IF %~nx0==update_depot_tools.bat (
-  COPY /Y %~dp0update_depot_tools.bat %TEMP%\update_depot_tools_tmp.bat >nul
-  if errorlevel 1 goto :EOF
-  %TEMP%\update_depot_tools_tmp.bat %~dp0 %*
-)
-
-set DEPOT_TOOLS_DIR=%1
-SHIFT
-
-set GIT_URL=https://chromium.googlesource.com/chromium/tools/depot_tools.git
-
-:: Will download svn and python.
-:: If you don't want to install the depot_tools version of these tools, remove
-:: the 'force' option on the next command. The tools will be installed only if
-:: not already in the PATH environment variable.
-call "%DEPOT_TOOLS_DIR%bootstrap\win\win_tools.bat" force
-if errorlevel 1 goto :EOF
-:: Now clear errorlevel so it can be set by other programs later.
-set errorlevel=
-
-IF "%DEPOT_TOOLS_WIN_TOOLCHAIN%" == "0" GOTO :NOTOOLCHAIN
-call python %~dp0win_toolchain\get_toolchain_if_necessary.py
-if errorlevel 1 goto :EOF
-set errorlevel=
-:NOTOOLCHAIN
-
-:: Shall skip automatic update?
-IF "%DEPOT_TOOLS_UPDATE%" == "0" GOTO :EOF
-
-:: We need either .\.svn\. or .\.git\. to be able to sync.
-IF EXIST "%DEPOT_TOOLS_DIR%.svn\." GOTO :SVN_UPDATE
-IF EXIST "%DEPOT_TOOLS_DIR%.git\." GOTO :GIT_UPDATE
-echo Error updating depot_tools, no revision tool found.
-goto :EOF
-
-
-:SVN_UPDATE
-call svn up -q "%DEPOT_TOOLS_DIR%."
-goto :EOF
-
-
-:GIT_UPDATE
-cd /d "%DEPOT_TOOLS_DIR%."
-call git config remote.origin.fetch > NUL
-if errorlevel 1 goto :GIT_SVN_UPDATE
-for /F %%x in ('git config --get remote.origin.url') DO (
-  IF not "%%x" == "%GIT_URL%" (
-    echo Your depot_tools checkout is configured to fetch from an obsolete URL
-    choice /N /T 60 /D N /M "Would you like to update it? [y/N]: "
-    IF not errorlevel 2 (
-      call git config remote.origin.url "%GIT_URL%"
-    )
-  )
-)
-call git fetch -q origin > NUL
-call git rebase -q origin/master > NUL
-if errorlevel 1 echo Failed to update depot_tools.
-
-goto :EOF
-
-:GIT_SVN_UPDATE
-cd /d "%DEPOT_TOOLS_DIR%."
-call git svn rebase -q -q
-goto :EOF
+@echo off
+:: Copyright (c) 2012 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.
+
+:: This batch file will try to sync the root directory.
+
+setlocal
+
+:: Windows freaks out if a file is overwritten while it's being executed.  Copy
+:: this script off to a temporary location and reinvoke from there before
+:: running any svn or git commands.
+IF %~nx0==update_depot_tools.bat (
+  COPY /Y %~dp0update_depot_tools.bat %TEMP%\update_depot_tools_tmp.bat >nul
+  if errorlevel 1 goto :EOF
+  %TEMP%\update_depot_tools_tmp.bat %~dp0 %*
+)
+
+set DEPOT_TOOLS_DIR=%1
+SHIFT
+
+set GIT_URL=https://chromium.googlesource.com/chromium/tools/depot_tools.git
+
+:: Will download svn and python.
+:: If you don't want to install the depot_tools version of these tools, remove
+:: the 'force' option on the next command. The tools will be installed only if
+:: not already in the PATH environment variable.
+call "%DEPOT_TOOLS_DIR%bootstrap\win\win_tools.bat" force
+if errorlevel 1 goto :EOF
+:: Now clear errorlevel so it can be set by other programs later.
+set errorlevel=
+
+:: Opt-in for now.
+IF "%DEPOT_TOOLS_WIN_TOOLCHAIN%" == "" GOTO :NOTOOLCHAIN
+call python %~dp0win_toolchain\get_toolchain_if_necessary.py
+if errorlevel 1 goto :EOF
+set errorlevel=
+:NOTOOLCHAIN
+
+:: Shall skip automatic update?
+IF "%DEPOT_TOOLS_UPDATE%" == "0" GOTO :EOF
+
+:: We need either .\.svn\. or .\.git\. to be able to sync.
+IF EXIST "%DEPOT_TOOLS_DIR%.svn\." GOTO :SVN_UPDATE
+IF EXIST "%DEPOT_TOOLS_DIR%.git\." GOTO :GIT_UPDATE
+echo Error updating depot_tools, no revision tool found.
+goto :EOF
+
+
+:SVN_UPDATE
+call svn up -q "%DEPOT_TOOLS_DIR%."
+goto :EOF
+
+
+:GIT_UPDATE
+cd /d "%DEPOT_TOOLS_DIR%."
+call git config remote.origin.fetch > NUL
+if errorlevel 1 goto :GIT_SVN_UPDATE
+for /F %%x in ('git config --get remote.origin.url') DO (
+  IF not "%%x" == "%GIT_URL%" (
+    echo Your depot_tools checkout is configured to fetch from an obsolete URL
+    choice /N /T 60 /D N /M "Would you like to update it? [y/N]: "
+    IF not errorlevel 2 (
+      call git config remote.origin.url "%GIT_URL%"
+    )
+  )
+)
+call git fetch -q origin > NUL
+call git rebase -q origin/master > NUL
+if errorlevel 1 echo Failed to update depot_tools.
+
+goto :EOF
+
+:GIT_SVN_UPDATE
+cd /d "%DEPOT_TOOLS_DIR%."
+call git svn rebase -q -q
+goto :EOF
\ No newline at end of file