[bug#42458] [PATCH] gnu: Add npiet.

[Jesse Gibbons <jgibbons2357@gmail.com>]

* gnu/packages/piet.scm: New file.
* gnu/local.mk: Add it.
---
gnu/local.mk | 1 +
gnu/packages/piet.scm | 50 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 51 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..ee7137fad9
--- /dev/null
+++ b/gnu/packages/piet.scm
@@ -0,0 +1,50 @@
+;;; 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
+ "An interpreter for the piet programming language")
+ (home-page "https://www.bertnase.de/npiet/")
+ (license gpl2+)))
+