s-nail 14.9.3 (new formula)

Closes #16837.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/s-nail.rb

@@ -0,0 +1,44 @@
+class SNail < Formula
+  desc "Fork of Heirloom mailx"
+  homepage "https://www.sdaoden.eu/code.html"
+  url "https://www.sdaoden.eu/downloads/s-nail-14.9.3.tar.gz"
+  sha256 "9048abe94c8b732ddefcd70b9f6052da16977de76b07598790e4c763e97f911d"
+
+  depends_on "libidn"
+  depends_on "openssl"
+
+  def install
+    mv "INSTALL", "INSTALL.txt" # remove for > 14.9.3
+    system "make", "OPT_AUTOCC=no",
+                   "CC=#{ENV.cc}",
+                   "cc_maxtopt=1",
+                   "OPT_NOMEMBDBG=1",
+                   "C_INCLUDE_PATH=#{Formula["openssl"].opt_include}",
+                   "LDFLAGS=-L#{Formula["openssl"].opt_lib}",
+                   "VAL_PREFIX=#{prefix}",
+                   "OPT_DOTLOCK=no",
+                   "config"
+    system "make", "build"
+    system "make", "install"
+  end
+
+  test do
+    ENV["SOURCE_DATE_EPOCH"] = "844221007"
+
+    date1 = Utils.popen_read("date", "-r", "844221007", "+%a %b %e %T %Y")
+    date2 = Utils.popen_read("date", "-r", "844221007", "+%a, %d %b %Y %T %z")
+
+    expected = <<-EOS.undent
+      From reproducible_build #{date1.chomp}
+      Date: #{date2.chomp}
+      To:
+      User-Agent: s-nail reproducible_build
+
+      Hello oh you Hammer2!
+    EOS
+
+    input = "Hello oh you Hammer2!\n"
+    output = pipe_output("#{bin}/s-nail -#:/ -Sexpandaddr -", input, 0)
+    assert_equal expected, output.chomp
+  end
+end