picoc: apply upstream fix for stack overflow

Also add a head spec and mirror the tarball to Bintray.

Closes #16768.

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

Formula/picoc.rb

@@ -1,8 +1,22 @@
 class Picoc < Formula
   desc "C interpreter for scripting"
   homepage "https://github.com/zsaleeba/picoc"
-  url "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/picoc/picoc-2.1.tar.bz2"
-  sha256 "bfed355fab810b337ccfa9e3215679d0b9886c00d9cb5e691f7e7363fd388b7e"
+  revision 1
+  head "https://github.com/zsaleeba/picoc.git"
+
+  stable do
+    url "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/picoc/picoc-2.1.tar.bz2"
+    mirror "https://dl.bintray.com/homebrew/mirror/picoc-2.1.tar.bz2"
+    sha256 "bfed355fab810b337ccfa9e3215679d0b9886c00d9cb5e691f7e7363fd388b7e"
+
+    # Remove for > 2.1
+    # Fix abort trap due to stack overflow
+    # Upstream commit from 14 Oct 2013 "Fixed a problem with PlatformGetLine()"
+    patch do
+      url "https://github.com/zsaleeba/picoc/commit/ed54c51.patch?full_index=1"
+      sha256 "2111ad8d038cf0063430746bf868b56f4658e79b87e4b94b03d00fb58af8564f"
+    end
+  end
 
   bottle do
     cellar :any_skip_relocation