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Detect permissions issues running flutter on Windows (#17975)
* Detect permissions issues running flutter on Windows Fixes #17972.
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@ -47,6 +47,18 @@ IF NOT EXIST "%flutter_root%\.git" (
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REM Ensure that bin/cache exists.
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IF NOT EXIST "%cache_dir%" MKDIR "%cache_dir%"
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REM If the cache still doesn't exist, fail with an error that we probably don't have permissions.
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IF NOT EXIST "%cache_dir%" (
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ECHO Error: Unable to create cache directory at
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ECHO %cache_dir%
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ECHO.
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ECHO This may be because flutter doesn't have write permissions for
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ECHO this path. Try moving the flutter directory to a writable location,
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ECHO such as within your home directory.
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EXIT /B 1
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)
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REM To debug the tool, you can uncomment the following lines to enable checked mode and set an observatory port:
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REM SET FLUTTER_TOOL_ARGS="--checked %FLUTTER_TOOL_ARGS%"
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REM SET FLUTTER_TOOL_ARGS="%FLUTTER_TOOL_ARGS% --observe=65432"
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