03/09: gnu: dblatex: Add 'dblatex/stable' variant.

[guix-commits]

mhw pushed a commit to branch master
in repository guix.

commit 69437a59e67634f85477a5eadab092598aa57ee1
Author: Mark H Weaver <mhw@netris.org>
AuthorDate: Sat Mar 27 07:27:52 2021 -0400

    gnu: dblatex: Add 'dblatex/stable' variant.
    
    * gnu/packages/docbook.scm (dblatex/stable): New variable.
---
 gnu/packages/docbook.scm | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/gnu/packages/docbook.scm b/gnu/packages/docbook.scm
index 012e86f..e348fb1 100644
--- a/gnu/packages/docbook.scm
+++ b/gnu/packages/docbook.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2020 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2021 Mark H Weaver <mhw@netris.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -33,6 +34,7 @@
   #:use-module (guix licenses)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module ((guix build utils) #:select (alist-replace))
   #:use-module (guix build-system trivial)
   #:use-module (guix build-system python))
 
@@ -460,3 +462,14 @@ process.  MathML 2.0 markups are supported too.  It 
started as a clone of
 DB2LaTeX.")
     ;; lib/contrib/which is under an X11 license
     (license gpl2+)))
+
+;; This is a variant of the 'dblatex' package that is not updated often.  It
+;; is intended to be used as a native-input at build-time only, e.g. by
+;; 'gtk-doc' for generating package documentation.  This allows the main
+;; 'dblatex' and 'imagemagick' packages to be freely updated on the 'master'
+;; branch without triggering an excessive number of rebuilds.
+(define-public dblatex/stable
+  (hidden-package
+   (package/inherit dblatex
+     (inputs (alist-replace "imagemagick" `(,imagemagick/stable)
+                            (package-inputs dblatex))))))