[Release] Source archive include hard links

[kou]

Describe the bug, including details regarding any error messages, version, and platform.

Apache Rat doesn't like hard links.

$ LANG=C tar tzvf /var/tmp/download/apache-arrow-21.0.0.tar.gz | grep python/cmake
drwxr-xr-x 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/BuildUtils.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/BuildUtils.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/DefineOptions.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/DefineOptions.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindAWSSDKAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindAWSSDKAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindAzure.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindAzure.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindBrotliAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindBrotliAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindClangTools.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindClangTools.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindGTestAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindGTestAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindInferTools.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindInferTools.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindLLVMAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindLLVMAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindOpenSSLAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindOpenSSLAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindProtobufAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindProtobufAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindPython3Alt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindPython3Alt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindRapidJSONAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindRapidJSONAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindSQLite3Alt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindSQLite3Alt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindSnappyAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindSnappyAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindThriftAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindThriftAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindabslAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindabslAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Findc-aresAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Findc-aresAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindgRPCAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindgRPCAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindgflagsAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindgflagsAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindglogAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindglogAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindjemallocAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindjemallocAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Findlibrados.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Findlibrados.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Findlz4Alt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Findlz4Alt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindorcAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindorcAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Findre2Alt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Findre2Alt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Findutf8proc.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Findutf8proc.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/FindzstdAlt.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/FindzstdAlt.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/GandivaAddBitcode.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/GandivaAddBitcode.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/SetupCxxFlags.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/SetupCxxFlags.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/ThirdpartyToolchain.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/ThirdpartyToolchain.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/UseCython.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/UseCython.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/Usevcpkg.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/Usevcpkg.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/aws-c-common-1208.patch link to apache-arrow-21.0.0/cpp/cmake_modules/aws-c-common-1208.patch
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/san-config.cmake link to apache-arrow-21.0.0/cpp/cmake_modules/san-config.cmake
hrw-r--r-- 0/0               0 2025-07-11 10:52 apache-arrow-21.0.0/python/cmake_modules/snappy.diff link to apache-arrow-21.0.0/cpp/cmake_modules/snappy.diff

Component(s)

Release

[kou]

Issue resolved by pull request 47072
#47072