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Linux from macOS issues #1962

@henryiii

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@henryiii

Description

Building a linux wheel from macOS is producing warnings and created broken files:

$ pipx run cibuildwheel --only cp313t-manylinux_x86_64
...

Copying project into container...

    + mkdir -p /project
tar: Ignoring unknown extended header keyword `SCHILY.fflags'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.FinderInfo'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.quarantine'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.xcode.CreatedByBuildSystem'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.xcode.CreatedByBuildSystem'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `SCHILY.fflags'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.FinderInfo'
tar: Ignoring unknown extended header keyword `SCHILY.fflags'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.FinderInfo'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemTextContentLanguage'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseVersion'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseLabels'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.metadata:kMDItemKeyphraseConfidences'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'
tar: Ignoring unknown extended header keyword `LIBARCHIVE.xattr.com.apple.lastuseddate#PS'

We can hide that warning, I think, but I'm also getting junk in the files:

/project/src/._register_transforms.cpp:1:1: warning: null character(s) ignored
    1 |     Mac OS X                2   ~      �                                      ATTR       �   �                     �     com.apple.lastuseddate#PS    xUF`    +��
      | ^
/project/src/._register_transforms.cpp:1:2: error: stray ‘\5’ in program
    1 |     Mac OS X                2   ~      �                                      ATTR       �   �                     �     com.apple.lastuseddate#PS    xUF`    +��
      |  ^
/project/src/._register_transforms.cpp:1:3: error: stray ‘\26’ in program
    1 |     Mac OS X                2   ~      �                                      ATTR       �   �                     �     com.apple.lastuseddate#PS    xUF`    +��
      |   ^
/project/src/._register_transforms.cpp:1:4: error: stray ‘\7’ in program
    1 |     Mac OS X                2   ~      �                                      ATTR       �   �                     �     com.apple.lastuseddate#PS    xUF`    +��
      |    ^
/project/src/._register_transforms.cpp:1:5: warning: null character(s) ignored
    1 |     Mac OS X                2   ~      �                                      ATTR       �   �                     �     com.apple.lastuseddate#PS    xUF`    +��
      |     ^
...

Using gnu-tar instead works fine. I don't see a --no-xattrs option (https://stackoverflow.com/questions/51655657/tar-ignoring-unknown-extended-header-keyword-libarchive-xattr-security-selinux).

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