[bug#73034] [PATCH v3 3/3] gnu: git: Move git-manpages origin from phases to native-inputs.

[Simon Tournier <zimon.toutoune@gmail.com>]

The move from native-inputs to the install-man-pages phase had been done by
f288604428e9c8f096ec9e0eccf207e079806271.

* gnu/packages/version-control.scm (git)[arguments]<phases>: Move git-manpages
origin from here...
[native-inputs]: ...to here.

Change-Id: I9fa543f7410bce6eb8a82d275eab81a1ea86ecc0
---
 gnu/packages/version-control.scm | 44 ++++++++++++++++++--------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/gnu/packages/version-control.scm b/gnu/packages/version-control.scm
index 9a4c2fdbdc..3e8f042d18 100644
--- a/gnu/packages/version-control.scm
+++ b/gnu/packages/version-control.scm
@@ -695,26 +695,32 @@ (define-public git
                   (with-directory-excursion man
                     (invoke
                      "tar" "xvf"
-                     #$(origin
-                         (method url-fetch)
-                         (uri (string-append
-                               "mirror://kernel.org/software/scm/git/"
-                               "git-manpages-" (package-version this-package)
-                               ".tar.xz"))
-                         (sha256
-                          (base32
-                           "1lvvhzypllbyd8j6m0p9qgd3gqg10gch9s7lqif8vr9n80fqn4fw"))))))))))))
+                     #$(this-package-native-input "git-manpages"))))))))))
     (native-inputs
-     (modify-inputs (package-native-inputs git-minimal)
-       ;; For subtree documentation.
-       (append asciidoc
-               docbook2x
-               docbook-xml-4.5
-               docbook-xsl
-               libxslt
-               pkg-config
-               texinfo
-               xmlto)))
+     (cons
+      ;; To build the man pages from the git sources, we would need a dependency
+      ;; on a full XML tool chain, and building it actually takes ages.  So we
+      ;; use this lazy approach and use released tarball.
+      `("git-manpages"
+       ,(origin
+           (method url-fetch)
+           (uri (string-append
+                 "mirror://kernel.org/software/scm/git/git-manpages-"
+                 (package-version this-package) ".tar.xz"))
+           (sha256
+            (base32
+             "1lvvhzypllbyd8j6m0p9qgd3gqg10gch9s7lqif8vr9n80fqn4fw"))))
+
+      (modify-inputs (package-native-inputs git-minimal)
+        ;; For subtree documentation.
+        (append asciidoc
+                docbook2x
+                docbook-xml-4.5
+                docbook-xsl
+                libxslt
+                pkg-config
+                texinfo
+                xmlto))))
     (inputs
      (modify-inputs (package-inputs git-minimal)
        (append bash-minimal             ;for wrap-program
-- 
2.45.2