curl-without-ipv6 8.5.0 (new formula)

Formula/curl-without-ipv6.rb

@@ -0,0 +1,98 @@
+# The formula is a copy of homebrew/core/curl with disabled IPv6 support.
+
+class CurlWithoutIpv6 < Formula
+  desc "Get a file from an HTTP, HTTPS or FTP server"
+  homepage "https://curl.se"
+  # Don't forget to update both instances of the version in the GitHub mirror URL.
+  url "https://curl.se/download/curl-8.5.0.tar.bz2"
+  mirror "https://github.com/curl/curl/releases/download/curl-8_5_0/curl-8.5.0.tar.bz2"
+  mirror "http://fresh-center.net/linux/www/curl-8.5.0.tar.bz2"
+  sha256 "ce4b6a6655431147624aaf582632a36fe1ade262d5fab385c60f78942dd8d87b"
+  license "curl"
+
+  livecheck do
+    url "https://curl.se/download/"
+    regex(/href=.*?curl[._-]v?(.*?)\.t/i)
+  end
+
+  head do
+    url "https://github.com/curl/curl.git", branch: "master"
+
+    depends_on "autoconf" => :build
+    depends_on "automake" => :build
+    depends_on "libtool" => :build
+  end
+
+  keg_only "it shouldn't be used as a general-purpose curl replacement"
+
+  depends_on "pkg-config" => :build
+  depends_on "brotli"
+  depends_on "libidn2"
+  depends_on "libnghttp2"
+  depends_on "libssh2"
+  depends_on "openldap"
+  depends_on "openssl@3"
+  depends_on "rtmpdump"
+  depends_on "zstd"
+
+  uses_from_macos "krb5"
+  uses_from_macos "zlib"
+
+  def install
+    system "./buildconf" if build.head?
+
+    args = %W[
+      --disable-debug
+      --disable-dependency-tracking
+      --disable-silent-rules
+      --prefix=#{prefix}
+      --with-ssl=#{Formula["openssl@3"].opt_prefix}
+      --without-ca-bundle
+      --without-ca-path
+      --with-ca-fallback
+      --with-secure-transport
+      --with-default-ssl-backend=openssl
+      --with-libidn2
+      --with-librtmp
+      --with-libssh2
+      --without-libpsl
+    ]
+
+    # Since macOS 14.2, if Postgres has a library in `shared_preload_libraries`
+    # that's linked with curl it fails with the error:
+    #   FATAL:  postmaster became multithreaded during startup
+    #
+    # Disabling IPv6 support in curl a possible workaround for the issue
+    args << "--disable-ipv6"
+
+    args << if OS.mac?
+      "--with-gssapi"
+    else
+      "--with-gssapi=#{Formula["krb5"].opt_prefix}"
+    end
+
+    system "./configure", *args
+    system "make", "install"
+    system "make", "install", "-C", "scripts"
+    libexec.install "scripts/mk-ca-bundle.pl"
+  end
+
+  test do
+    tag_name = "curl-#{version.to_s.tr(".", "_")}"
+    assert_match tag_name, stable.mirrors.grep(/github\.com/).first,
+                 "Tag name #{tag_name} is not found in the GitHub mirror " \
+                 "URL! Please make sure the URL is correct"
+
+    # Fetch the curl tarball and see that the checksum matches.
+    # This requires a network connection, but so does Homebrew in general.
+    filename = (testpath/"test.tar.gz")
+    system "#{bin}/curl", "-L", stable.url, "-o", filename
+    filename.verify_checksum stable.checksum
+
+    system libexec/"mk-ca-bundle.pl", "test.pem"
+    assert_predicate testpath/"test.pem", :exist?
+    assert_predicate testpath/"certdata.txt", :exist?
+
+    refute_includes shell_output("#{bin}/curl -V"), "IPv6"
+  end
+end