[bug#65935] [PATCH] gnu: Add ngn-k.

[B. Wilson]

* gnu/packages/k-lang.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
---
 gnu/local.mk            |  1 +
 gnu/packages/k-lang.scm | 89 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 gnu/packages/k-lang.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 924d497057..a4c2c8cda9 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -362,6 +362,7 @@ GNU_SYSTEM_MODULES =                                \
   %D%/packages/julia-jll.scm                   \
   %D%/packages/julia-xyz.scm                   \
   %D%/packages/jupyter.scm                     \
+  %D%/packages/k-lang.scm                      \
   %D%/packages/kawa.scm                                \
   %D%/packages/kde.scm                         \
   %D%/packages/kde-frameworks.scm              \
diff --git a/gnu/packages/k-lang.scm b/gnu/packages/k-lang.scm
new file mode 100644
index 0000000000..0c49168639
--- /dev/null
+++ b/gnu/packages/k-lang.scm
@@ -0,0 +1,89 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2023 B. Wilson <elaexuotee@wilsonb.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 k-lang)
+  #:use-module (gnu packages readline)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix utils))
+
+(define-public ngn-k
+  (let ((commit "cb36213657b6c5b2fe3bb1c88c4de7fe975f84ed")
+        (revision "1"))
+    (package
+      (name "ngn-k")
+      (version (git-version "0.0.0" revision commit))
+      (source
+        (origin
+          (method git-fetch)
+          (uri (git-reference
+                 (url "https://codeberg.org/ngn/k.git";)
+                 (commit commit)))
+          (file-name (git-file-name name version))
+          (sha256
+            (base32 "1140avqsqaa1pyh937rcd04snbkcgngmkg3dkmsbj6kw0jnrgf1z"))))
+      (build-system gnu-build-system)
+      (inputs (list rlwrap))
+      (arguments
+       `(#:make-flags (list (string-append "CC=" ,(cc-for-target)))
+         #:test-target "t"
+         #:phases
+         (modify-phases %standard-phases
+          (replace 'configure
+            (lambda* (#:key outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (k (string-append out "/k")))
+                (substitute* "repl.k"
+                  (("^#!k") (string-append "#!" k "\n"))))))
+          (replace 'build
+            (lambda* (#:key make-flags #:allow-other-keys)
+              (let ((build-target "k"))
+                (apply invoke "make" `(,@make-flags ,build-target)))))
+          (replace 'install
+            (lambda* (#:key inputs outputs #:allow-other-keys)
+              (let* ((out (assoc-ref outputs "out"))
+                     (bin (string-append out "/bin"))
+                     (k (string-append bin "/k"))
+                     (rlwrap (string-append
+                               (assoc-ref inputs "rlwrap")
+                               "/bin/rlwrap")))
+
+                 (define* (rlwrap-prog prog #:key rlwrap (sh (which "bash")))
+                   (let* ((real-prog (string-append (dirname prog) "/."
+                                                    (basename prog) "-real"))
+                          (prog-tmp (string-append real-prog "-tmp")))
+                     (link prog real-prog)
+                     (call-with-output-file prog-tmp
+                       (lambda (port)
+                         (format port
+                                 "#!~a~%exec -a \"$0\" \"~a\" \"~a\" \"$@\"~%"
+                                 sh rlwrap (canonicalize-path real-prog))))
+                     (chmod prog-tmp #o755)
+                     (rename-file prog-tmp prog)))
+
+                (mkdir-p bin)
+                (copy-file "repl.k" (string-append bin "/krepl"))
+                (copy-file "k" k)
+                (rlwrap-prog k #:rlwrap rlwrap)))))))
+      (home-page "https://codeberg.org/ngn/k";)
+      (synopsis "Implementation of the K6 vector programming language")
+      (description "ngn/k is a simple fast vector programming language, an
+implementation of the K6 dialect of K.")
+      (license license:agpl3))))
-- 
2.41.0