74 lines
2.6 KiB
Ruby
74 lines
2.6 KiB
Ruby
class GnuTar < Formula
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desc "GNU version of the tar archiving utility"
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homepage "https://www.gnu.org/software/tar/"
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url "https://ftpmirror.gnu.org/tar/tar-1.29.tar.gz"
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mirror "https://ftp.gnu.org/gnu/tar/tar-1.29.tar.gz"
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sha256 "cae466e6e58c7292355e7080248f244db3a4cf755f33f4fa25ca7f9a7ed09af0"
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revision 1
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bottle do
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sha256 "d87139778146e9fe39f5db5dcf020c51a5a8ed7528987e31ecd2a2a36ab239e2" => :sierra
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sha256 "ba2d4a54ae4abf2520b816d19373ed0a8bd0bb0e894b271d98ee1c7eba51af16" => :el_capitan
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sha256 "cb0a9258bfeb0530540af1748b37a4fe79cf07ec5848e7bce48c47d51289bdb7" => :yosemite
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end
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option "with-default-names", "Do not prepend 'g' to the binary"
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# CVE-2016-6321
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# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842339
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# https://sintonen.fi/advisories/tar-extract-pathname-bypass.txt
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patch do
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url "https://sources.debian.net/data/main/t/tar/1.29b-1.1/debian/patches/When-extracting-skip-.-members.patch"
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sha256 "6b1371b9abd391e1654f7d730aae9c4dee703a867276b1e8a9ef97a2a906b7cf"
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end
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def install
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# Work around unremovable, nested dirs bug that affects lots of
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# GNU projects. See:
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# https://github.com/Homebrew/homebrew/issues/45273
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# https://github.com/Homebrew/homebrew/issues/44993
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# This is thought to be an el_capitan bug:
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# https://lists.gnu.org/archive/html/bug-tar/2015-10/msg00017.html
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if MacOS.version == :el_capitan
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ENV["gl_cv_func_getcwd_abort_bug"] = "no"
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end
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args = ["--prefix=#{prefix}", "--mandir=#{man}"]
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args << "--program-prefix=g" if build.without? "default-names"
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system "./configure", *args
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system "make", "install"
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# Symlink the executable into libexec/gnubin as "tar"
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if build.without? "default-names"
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(libexec/"gnubin").install_symlink bin/"gtar" =>"tar"
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(libexec/"gnuman/man1").install_symlink man1/"gtar.1" => "tar.1"
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end
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end
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def caveats
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if build.without? "default-names" then <<-EOS.undent
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gnu-tar has been installed as "gtar".
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If you really need to use it as "tar", you can add a "gnubin" directory
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to your PATH from your bashrc like:
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PATH="#{opt_libexec}/gnubin:$PATH"
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Additionally, you can access their man pages with normal names if you add
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the "gnuman" directory to your MANPATH from your bashrc as well:
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MANPATH="#{opt_libexec}/gnuman:$MANPATH"
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EOS
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end
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end
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test do
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tar = build.with?("default-names") ? bin/"tar" : bin/"gtar"
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(testpath/"test").write("test")
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system tar, "-czvf", "test.tar.gz", "test"
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assert_match /test/, shell_output("#{tar} -xOzf test.tar.gz")
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end
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end
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