>From 077214a6e13d770f70dfba2a7fe2faf40b1fbc56 Mon Sep 17 00:00:00 2001
From: Jesse Gibbons <jgibbons2357+guix@gmail.com>
Date: Mon, 20 Jul 2020 20:35:09 -0600
Subject: [PATCH v2 1/1] gnu: Add npiet.

* gnu/packages/piet.scm: New file.
* gnu/local.mk: Add it.
---
 gnu/local.mk          |  1 +
 gnu/packages/piet.scm | 60 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 gnu/packages/piet.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 7bae1daf61..fc68786ab6 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -425,6 +425,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/photo.scm			\
   %D%/packages/phabricator.scm 			\
   %D%/packages/php.scm				\
+  %D%/packages/piet.scm				\
   %D%/packages/pkg-config.scm			\
   %D%/packages/plotutils.scm			\
   %D%/packages/poedit.scm				\
diff --git a/gnu/packages/piet.scm b/gnu/packages/piet.scm
new file mode 100644
index 0000000000..e82b2aa339
--- /dev/null
+++ b/gnu/packages/piet.scm
@@ -0,0 +1,60 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Jesse Gibbons <jgibbons2357+guix@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages piet)
+  #:use-module (guix packages)
+  #:use-module (guix  download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages gd)
+  #:use-module (gnu packages groff)
+  #:use-module (guix licenses))
+
+
+(define-public npiet
+  (package
+    (name "npiet")
+    (version "1.3e")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append
+                "https://www.bertnase.de/npiet/npiet-"
+                version ".tar.gz"))
+              (sha256
+               (base32
+                "1i9ihbjmravid3h7wvns712axdl5xn398hk12pvzl79fs5kcf6g8"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("gd" ,gd)))
+    (native-inputs `(("groff" ,groff)))
+    (synopsis "Piet interpreter")
+    (description
+     "Npiet is an interpreter for the piet programming language.  Instead of
+text, piet programs are pictures.  Commands are determined based on changes in
+color.
+
+This package includes:
+@enumerate
+@item npiet, a piet interpreter with debugging capabilities
+@item npiet-foogol, a program that builds a piet program from foogol, an
+algol-like language
+@item npietedit, an editor for the piet programming language
+@end enumerate")
+    (home-page "https://www.bertnase.de/npiet/")
+    (license gpl2+)))
+
-- 
2.27.0