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@echo off
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:: Copyright (c) 2017 The Chromium Authors. All rights reserved.
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:: Use of this source code is governed by a BSD-style license that can be
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:: found in the LICENSE file.
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:: This script will determine if python or git binaries need updates. It
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:: returns !0 as failure
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:: Note: we set EnableDelayedExpansion so we can perform string manipulations
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:: in our manifest parsing loop. This only works on Windows XP+.
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setlocal EnableDelayedExpansion
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:: Get absolute root directory (.js scripts don't handle relative paths well).
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pushd %~dp0..
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set BOOTSTRAP_ROOT_DIR=%CD%
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popd
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:: Extra arguments to pass to our "win_tools.py" script.
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set BOOTSTRAP_EXTRA_ARGS=
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:: Determine if we're running a bleeding-edge installation.
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if not exist "%BOOTSTRAP_ROOT_DIR%\.bleeding_edge" (
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set CIPD_MANIFEST=manifest.txt
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) else (
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set CIPD_MANIFEST=manifest_bleeding_edge.txt
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)
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:: Parse our CIPD manifest and identify the "cpython3" version. We do this by
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:: reading it line-by-line, identifying the line containing "cpython3", and
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:: stripping all text preceding "version:". This leaves us with the version
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:: string.
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::
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:: This method requires EnableDelayedExpansion, and extracts the Python version
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:: from our CIPD manifest. Variables referenced using "!" instead of "%" are
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:: delayed expansion variables.
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for /F "usebackq tokens=*" %%A in ("%~dp0%CIPD_MANIFEST%") do (
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set LINE=%%A
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if not "x!LINE:cpython3/=!" == "x!LINE!" set PYTHON3_VERSION=!LINE:*version:=!
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)
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if "%PYTHON3_VERSION%" == "" (
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@echo Could not extract Python version from manifest.
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set ERRORLEVEL=1
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goto :END
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)
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:: We will take the version string, replace "." with "_", and surround it with
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:: "bootstrap-<PYTHON3_VERSION>_bin" so that it matches "win_tools.py"'s cleanup
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:: expression and ".gitignore".
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::
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:: We incorporate PYTHON3_VERSION into the "win_tools" directory name so that
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:: new installations don't interfere with long-running Python processes if
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:: Python is upgraded.
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set BOOTSTRAP_NAME=bootstrap-%PYTHON3_VERSION:.=_%_bin
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set BOOTSTRAP_PATH=%BOOTSTRAP_ROOT_DIR%\%BOOTSTRAP_NAME%
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set BOOTSTRAP_EXTRA_ARGS=--bootstrap-name "%BOOTSTRAP_NAME%"
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:: Install our CIPD packages. The CIPD client self-bootstraps.
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:: See "//cipd.bat" and "//.cipd_impl.ps1" for more information.
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set CIPD_EXE=%BOOTSTRAP_ROOT_DIR%\cipd.bat
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call "%CIPD_EXE%" ensure -log-level warning -ensure-file "%~dp0%CIPD_MANIFEST%" -root "%BOOTSTRAP_PATH%"
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if errorlevel 1 (
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echo Error installing CIPD packages.
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goto :END
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)
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:: This executes "bootstrap.py" using the bundle's Python interpreter.
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set BOOTSTRAP_PYTHON_BIN=%BOOTSTRAP_PATH%\python3\bin\python3.exe
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call "%BOOTSTRAP_PYTHON_BIN%" "%~dp0bootstrap.py" %BOOTSTRAP_EXTRA_ARGS%
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:END
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set EXPORT_ERRORLEVEL=%ERRORLEVEL%
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endlocal & (
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set ERRORLEVEL=%EXPORT_ERRORLEVEL%
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)
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exit /b %ERRORLEVEL%
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