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[bug#56989] [PATCH v1 1/5] gnu: bqn: Add bqn.scm and dbqn package.

From: Christopher Rodriguez
Subject: [bug#56989] [PATCH v1 1/5] gnu: bqn: Add bqn.scm and dbqn package.
Date: Thu, 4 Aug 2022 22:20:19 -0400

Hello all,

This is a set of patches to add CBQN (and the packages required to build it
from source) to the official Guix repository.

CBQN is the recommended implementation of the BQN language, which is a new
array programming language in the same vein as APL, K, Q, J, Dyalog APL,
etc. Even better than most of those, it carries a FSDG compatible license
(the implementation is even under single-license GPL!) and so I feel as
though it should definitely be a part of GNU Guix.

While there are still a few outstanding issues I hope to address with those
upstream eventually (all documented in the comments), I believe I have
followed the guidelines in the manual. Please let me know what I can improve,
and how I might expedite this awesome language's inclusion in GNU Guix.

 gnu/packages/bqn.scm | 92 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 gnu/packages/bqn.scm

diff --git a/gnu/packages/bqn.scm b/gnu/packages/bqn.scm
new file mode 100644
index 0000000000..53e2f0a057
--- /dev/null
+++ b/gnu/packages/bqn.scm
@@ -0,0 +1,92 @@
+(define-module (gnu packages bqn)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix gexp)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system copy)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix utils)
+  #:use-module (guix deprecation)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages libffi)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages java))
+;; Currently this package is non-deterministic due to random generation in
+;; some of the primitives. This is marked as a TODO in the source code, but
+;; per the maintainer this package almost solely exists for the purpose of
+;; building CBQN at this point, and therefore is not a high priority. Git
+;; reports this here:
+;; src/BQN/types/callable/builtins/fns/
+;; …<snip> // TODO these (and in ⊐) shouldn't be random numbers
+;; Reported Upstream Here:
+;; This issue therefore means that none of the packages for bqn can be checked
+;; for non-determinism at this time, as dbqn is a prerequisite for all of
+;; them.
+(define-public dbqn
+  (let* ((tag "0.2.1")
+         (revision "1")
+         (commit "0bbe096fc07d278b679a8479318f1722d096a03e")
+         (hash "1kxzxz2hrd1871281s4rsi569qk314aqfmng9pkqn8gv9nqhmph0")
+         (version (git-version tag revision commit)))
+    (package
+      (name "dbqn")
+      (version version)
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "";)
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  hash))))
+      (outputs '("out"))
+      (build-system gnu-build-system)
+      (arguments
+       (list #:tests? #f ;While there is a "test" directory, there is no
+             ;; mechanism to run the tests other than to feed the files into 
+             ;; binary and check for an error. This is outside the scope of a
+             ;; packaging workflow, and would need to be fixed upstream
+             ;; instead. Issue Reported:
+             ;; Maintainer says many of the tests fail, and so they will 
remain off
+             ;; until this is sorted out.
+             #:phases #~(modify-phases %standard-phases
+                          (delete 'configure)
+                          (replace 'build
+                            (lambda* _
+                              (invoke "./build")))
+                          (replace 'install
+                            (lambda* (#:key outputs #:allow-other-keys)
+                              (let* ((out (assoc-ref outputs "out"))
+                                     (dest-bin (string-append out "/bin"))
+                                     (dest-jar (string-append out
+                                                              "/share/java")))
+                                (mkdir-p dest-bin)
+                                (mkdir-p dest-jar)
+                                (copy-recursively "BQN"
+                                                  (string-append dest-bin
+                                                                 "/dbqn"))
+                                (chmod (string-append dest-bin "/dbqn") 493)
+                                (install-file "BQN.jar" dest-jar))))
+                          (add-after 'install 'subjars
+                            (lambda* (#:key outputs #:allow-other-keys)
+                              (let* ((out (assoc-ref outputs "out"))
+                                     (dest-bin (string-append out "/bin"))
+                                     (dest-jar (string-append out
+                                                              "/share/java")))
+                                (substitute* (string-append dest-bin "/dbqn")
+                                  (("BQN.jar")
+                                   (string-append dest-jar "/BQN.jar")))))))))
+      (native-inputs (list `(,openjdk17 "jdk")
+                           coreutils))
+      (synopsis "BQN implementation based on dzaima/APL")
+      (description "BQN implementation based on dzaima/APL.")
+      (home-page "";)
+      (license license:expat))))

base-commit: 116c0268ffd387c88b6b47135203fb330eb422f0

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