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bpo-30450: Fall back to git.exe if no Python is found. (#2739)
* bpo-30450: Fall back to git.exe if no Python is found. * Also check whether git.exe is on PATH if it will be used.
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@ -41,6 +41,10 @@ if "%DO_FETCH%"=="false" goto end
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if "%ORG%"=="" (set ORG=python)
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call "%PCBUILD%find_python.bat" "%PYTHON%"
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if "%PYTHON%"=="" (
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where /Q git || echo Python 3.6 could not be found or installed, and git.exe is not on your PATH && exit /B 1
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)
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echo.Fetching external libraries...
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set libraries=
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@ -55,6 +59,9 @@ set libraries=%libraries% xz-5.2.2
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for %%e in (%libraries%) do (
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if exist "%EXTERNALS_DIR%\%%e" (
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echo.%%e already exists, skipping.
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) else if "%PYTHON%"=="" (
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echo.Fetching %%e with git...
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git clone --depth 1 https://github.com/%ORG%/cpython-source-deps --branch %%e "%EXTERNALS_DIR%\%%e"
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) else (
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echo.Fetching %%e...
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%PYTHON% "%PCBUILD%get_external.py" -O %ORG% %%e
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@ -71,6 +78,9 @@ if NOT "%IncludeSSLSrc%"=="false" set binaries=%binaries% nasm-2.11.06
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for %%b in (%binaries%) do (
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if exist "%EXTERNALS_DIR%\%%b" (
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echo.%%b already exists, skipping.
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) else if "%PYTHON%"=="" (
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echo.Fetching %%b with git...
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git clone --depth 1 https://github.com/%ORG%/cpython-bin-deps --branch %%b "%EXTERNALS_DIR%\%%b"
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) else (
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echo.Fetching %%b...
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%PYTHON% "%PCBUILD%get_external.py" -b -O %ORG% %%b
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