[PATCH] gnu: asciidoc: Use local docbook-xsl package.

[Tomáš Čech]

* gnu/packages/documentation.scm(asciidoc): New input docbook-xsl,
  replace use of online source and prefer docbook-xsl package.
---
 gnu/packages/documentation.scm | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/documentation.scm b/gnu/packages/documentation.scm
index 72af708..98d30e7 100644
--- a/gnu/packages/documentation.scm
+++ b/gnu/packages/documentation.scm
@@ -49,8 +49,22 @@
                (base32
                 "1w71nk527lq504njmaf0vzr93pgahkgzzxzglrq6bay8cw2rvnvq"))))
     (build-system gnu-build-system)
-    (arguments '(#:tests? #f))                    ; no 'check' target
-    (inputs `(("python" ,python-2)))
+    (arguments
+     `(#:tests? #f                     ; no 'check' target
+       #:phases
+       (modify-phases %standard-phases
+         (add-before
+             'install 'make-local-docbook-xsl
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* (find-files "docbook-xsl" ".*\\.xsl$")
+               (("xsl:import 
href=\"http://docbook.sourceforge.net/release/xsl/current";)
+                (string-append
+                 "xsl:import href=\""
+                 (string-append (assoc-ref inputs "docbook-xsl")
+                                "/xml/xsl/docbook-xsl-"
+                                ,(package-version docbook-xsl))))))))))
+    (inputs `(("python" ,python-2)
+              ("docbook-xsl" ,docbook-xsl)))
     (home-page "http://www.methods.co.nz/asciidoc/";)
     (synopsis "Text-based document generation system")
     (description
-- 
2.9.2