Fix source root stripping to not strip requirements.txt
files in plugins
#11712
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The
PythonRequirementsFileSources
is like afiles()
target in that its source roots should not be stripped. However, in #9640, we "fixed" it to not subclassFilesSources
because this was causing lots of issues with the file being unintentionally included in chroots. Yet, as a result, usingawait Get(StrippedSourceFiles)
will try to strip the file, unless the plugin author usesfor_sources_type
and leaves off the type in the allowlist.This PR allows us to properly handle both use cases by generifying the mechanism for "unrooted sources". Now, any
Sources
subclass can express whether it uses source roots, i.e. it's no longer hardcoded toFilesSources
.[ci skip-rust]
[ci skip-build-wheels]