[bug#48708] [PATCH 1/3]: gnu: Add cl-flow

[Sharlatan Hellseher <sharlatanus@gmail.com>]

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-- 
… наш разум - превосходная объяснительная машина которая способна
найти смысл почти в чем угодно, истолковать любой феномен, но
совершенно не в состоянии принять мысль о непредсказуемости.

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From a277392dae94c313bef52d73ee3620d883be20c4 Mon Sep 17 00:00:00 2001
From: Sharlatan Hellseher <sharlatanus@gmail.com>
Date: Thu, 27 May 2021 22:01:22 +0100
Subject: [PATCH 1/3] gnu: Add cl-flow

* gnu/packages/lisp-xyz.scm: (sbcl-flow, ecl-flow, cl-flow): New variables.
---
 gnu/packages/lisp-xyz.scm | 46 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index e760a90045..dcdf7b3f50 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -17175,3 +17175,49 @@ any existing or future application.")
 
 (define-public cl-flare
   (sbcl-package->cl-source-package sbcl-flare))
+
+(define-public sbcl-flow
+  (let ((commit "6d925af009cdfe033650d7048197a5e6ee937d15")
+        (revision "1"))
+    (package
+      (name "sbcl-flow")
+      (version (git-version "1.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Shinmera/flow")
+               (commit commit)))
+         (file-name (git-file-name "flow" version))
+         (sha256
+          (base32 "0ysw1kwiqlf8kzllhnz8v3q40dmvwf83fzq8bfkbmwy5hfjh3pxp"))))
+      (build-system asdf-build-system/sbcl)
+      (arguments
+       ;; FIXME: (Sharlatan-20210527T203118+0100): FLOW-VISUALIZER requires
+       ;; COMMONQT which is not packed yet and required tweaks with QT. Remove
+       ;; this when it's ready.
+       `(#:asd-files '("flow.asd")))
+      (inputs
+       `(("closer-mop" ,sbcl-closer-mop)
+         ("documentation-utils" ,sbcl-documentation-utils)))
+      (home-page "https://shinmera.github.io/flow/")
+      (synopsis "Tools for the representation of graphs and flowcharts")
+      (description
+       "FLOW is a flowchart graph library.  Unlike other graphing libraries, this
+one focuses on nodes in a graph having distinct @code{ports} through which
+connections to other nodes are formed.  This helps in many concrete scenarios
+where it is important to distinguish not only which nodes are connected, but
+also how they are connected to each other.
+
+Particularly, a lot of data flow and exchange problems can be reduced to such
+a @code{flowchart}.  For example, an audio processing library may present its pipeline
+as a flowchart of segments that communicate with each other through audio sample
+buffers.  Flow gives a convenient view onto this kind of problem, and even allows
+the generic visualisation of graphs in this format.")
+      (license license:zlib))))
+
+(define-public ecl-flow
+  (sbcl-package->ecl-package sbcl-flow))
+
+(define-public cl-flow
+  (sbcl-package->cl-source-package sbcl-flow))
-- 
2.31.1