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53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
"Helpers for rules running on windows"
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# cmd.exe function for looking up runfiles.
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# Equivalent of the BASH_RLOCATION_FUNCTION in paths.bzl.
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# Use this to write actions that don't require bash.
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# Originally by @meteorcloudy in
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# https://github.com/bazelbuild/rules_nodejs/commit/f06553a
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BATCH_RLOCATION_FUNCTION = r"""
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rem Usage of rlocation function:
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rem call :rlocation <runfile_path> <abs_path>
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rem The rlocation function maps the given <runfile_path> to its absolute
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rem path and stores the result in a variable named <abs_path>.
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rem This function fails if the <runfile_path> doesn't exist in mainifest
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rem file.
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:: Start of rlocation
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goto :rlocation_end
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:rlocation
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if "%~2" equ "" (
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echo>&2 ERROR: Expected two arguments for rlocation function.
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exit 1
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)
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if "%RUNFILES_MANIFEST_ONLY%" neq "1" (
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set %~2=%~1
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exit /b 0
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)
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if exist "%RUNFILES_DIR%" (
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set RUNFILES_MANIFEST_FILE=%RUNFILES_DIR%_manifest
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)
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if "%RUNFILES_MANIFEST_FILE%" equ "" (
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set RUNFILES_MANIFEST_FILE=%~f0.runfiles\MANIFEST
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)
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if not exist "%RUNFILES_MANIFEST_FILE%" (
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set RUNFILES_MANIFEST_FILE=%~f0.runfiles_manifest
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)
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set MF=%RUNFILES_MANIFEST_FILE:/=\%
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if not exist "%MF%" (
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echo>&2 ERROR: Manifest file %MF% does not exist.
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exit 1
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)
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set runfile_path=%~1
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for /F "tokens=2* usebackq" %%i in (`%SYSTEMROOT%\system32\findstr.exe /l /c:"!runfile_path! " "%MF%"`) do (
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set abs_path=%%i
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)
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if "!abs_path!" equ "" (
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echo>&2 ERROR: !runfile_path! not found in runfiles manifest
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exit 1
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)
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set %~2=!abs_path!
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exit /b 0
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:rlocation_end
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:: End of rlocation
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"""
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