bpo-30450: Fall back to git.exe if no Python is found. (#2739) · python/cpython@efa26bc · GitHub

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zooba

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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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  • get_externals.bat

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‎PCbuild/get_externals.bat‎

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Original file line number	Diff line number	Diff line change
@@ -41,6 +41,10 @@ if "%DO_FETCH%"=="false" goto end
41	41	if "%ORG%"=="" (set ORG=python)
42	42	call "%PCBUILD%find_python.bat" "%PYTHON%"
43	43
	44	+ if "%PYTHON%"=="" (
	45	+ where /Q git || echo Python 3.6 could not be found or installed, and git.exe is not on your PATH && exit /B 1
	46	+ )
	47	+
44	48	echo.Fetching external libraries...
45	49
46	50	set libraries=
@@ -55,6 +59,9 @@ set libraries=%libraries% xz-5.2.2
55	59	for %%e in (%libraries%) do (
56	60	if exist "%EXTERNALS_DIR%\%%e" (
57	61	echo.%%e already exists, skipping.
	62	+ ) else if "%PYTHON%"=="" (
	63	+ echo.Fetching %%e with git...
	64	+ git clone --depth 1 https://github.com/%ORG%/cpython-source-deps --branch %%e "%EXTERNALS_DIR%\%%e"
58	65	) else (
59	66	echo.Fetching %%e...
60	67	%PYTHON% "%PCBUILD%get_external.py" -O %ORG% %%e
@@ -71,6 +78,9 @@ if NOT "%IncludeSSLSrc%"=="false" set binaries=%binaries% nasm-2.11.06
71	78	for %%b in (%binaries%) do (
72	79	if exist "%EXTERNALS_DIR%\%%b" (
73	80	echo.%%b already exists, skipping.
	81	+ ) else if "%PYTHON%"=="" (
	82	+ echo.Fetching %%b with git...
	83	+ git clone --depth 1 https://github.com/%ORG%/cpython-bin-deps --branch %%b "%EXTERNALS_DIR%\%%b"
74	84	) else (
75	85	echo.Fetching %%b...
76	86	%PYTHON% "%PCBUILD%get_external.py" -b -O %ORG% %%b

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