gnu-tar: update 1.35 bottle.

Formula/g/gnu-tar.rb

@@ -0,0 +1,80 @@
+class GnuTar < Formula
+  desc "GNU version of the tar archiving utility"
+  homepage "https://www.gnu.org/software/tar/"
+  url "https://ftp.gnu.org/gnu/tar/tar-1.35.tar.gz"
+  mirror "https://ftpmirror.gnu.org/tar/tar-1.35.tar.gz"
+  sha256 "14d55e32063ea9526e057fbf35fcabd53378e769787eff7919c3755b02d2b57e"
+  license "GPL-3.0-or-later"
+
+  bottle do
+    root_url "https://github.com/gromgit/homebrew-core/releases/download/gnu-tar-1.35"
+    sha256 cellar: :any_skip_relocation, aarch64_linux: "83ef8ba466c84d5045fc67fbb30341fa392b38610ac08d759015c8b497ab5a98"
+  end
+
+  head do
+    url "https://git.savannah.gnu.org/git/tar.git", branch: "master"
+
+    depends_on "autoconf" => :build
+    depends_on "automake" => :build
+    depends_on "gettext" => :build
+  end
+
+  on_linux do
+    depends_on "acl"
+  end
+
+  def install
+    args = %W[
+      --prefix=#{prefix}
+      --mandir=#{man}
+      --disable-nls
+    ]
+
+    args << if OS.mac?
+      "--program-prefix=g"
+    else
+      "--without-selinux"
+    end
+
+    # iconv is detected during configure process but -liconv is missing
+    # from LDFLAGS as of gnu-tar 1.35. Remove once iconv linking works
+    # without this. See https://savannah.gnu.org/bugs/?64441.
+    # fix commit, https://git.savannah.gnu.org/cgit/tar.git/commit/?id=8632df39, remove in next release
+    ENV.append "LDFLAGS", "-liconv" if OS.mac?
+
+    system "./bootstrap" if build.head?
+    system "./configure", *args
+    system "make", "install"
+
+    return unless OS.mac?
+
+    # Symlink the executable into libexec/gnubin as "tar"
+    (libexec/"gnubin").install_symlink bin/"gtar" => "tar"
+    (libexec/"gnuman/man1").install_symlink man1/"gtar.1" => "tar.1"
+    (libexec/"gnubin").install_symlink "../gnuman" => "man"
+  end
+
+  def caveats
+    on_macos do
+      <<~EOS
+        GNU "tar" has been installed as "gtar".
+        If you need to use it as "tar", you can add a "gnubin" directory
+        to your PATH from your bashrc like:
+
+            PATH="#{opt_libexec}/gnubin:$PATH"
+      EOS
+    end
+  end
+
+  test do
+    (testpath/"test").write("test")
+    if OS.mac?
+      system bin/"gtar", "-czvf", "test.tar.gz", "test"
+      assert_match "test", shell_output("#{bin}/gtar -xOzf test.tar.gz")
+      assert_match "test", shell_output("#{opt_libexec}/gnubin/tar -xOzf test.tar.gz")
+    else
+      system bin/"tar", "-czvf", "test.tar.gz", "test"
+      assert_match "test", shell_output("#{bin}/tar -xOzf test.tar.gz")
+    end
+  end
+end