gnu: Add mogan.

* gnu/packages/text-editors.scm (mogan): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/text-editors.scm

@@ -49,6 +49,7 @@
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system meson)
   #:use-module (guix build-system python)
+  #:use-module (guix build-system qt)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (gnu packages)
   #:use-module (gnu packages aspell)
@@ -59,6 +60,7 @@
   #:use-module (gnu packages code)
   #:use-module (gnu packages cpp)
   #:use-module (gnu packages crates-io)
+  #:use-module (gnu packages curl)
   #:use-module (gnu packages datastructures)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages fontutils)
@@ -895,6 +897,39 @@ Octave.  TeXmacs is completely extensible via Guile.")
     (license license:gpl3+)
     (home-page "https://www.texmacs.org/tmweb/home/welcome.en.html")))
 
+(define-public mogan
+  (package
+    (inherit texmacs)
+    (name "mogan")
+    (version "1.1.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/XmacsLabs/mogan")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "04wz6xmimjv2l6baxgzm8vyq5grg102m3l4wq8i6bglv529yp4ff"))))
+    (build-system qt-build-system)
+    (inputs
+     (modify-inputs (package-inputs texmacs)
+       ;; Replaced by S7 scheme
+       ;; TODO: Maybe unbundle S7
+       (delete "guile")
+       (prepend curl)))
+    (arguments
+     (substitute-keyword-arguments (package-arguments texmacs)
+       ((#:phases orig)
+        #~(modify-phases #$orig
+            ;; The non-deterministic compression issue is solved in Mogan.
+            (delete 'gzip-flags)))))
+    (home-page "https://github.com/XmacsLabs/mogan")
+    (synopsis "Scientific structural text editor")
+    (description
+     "Mogan is a scientific structural text editor, a fork of GNU TeXmacs.")
+    (license license:gpl3+)))
+
 (define-public textpieces
   (package
     (name "textpieces")