From 9ce07f2dbafe068aea81e79decc4cfc146a48259 Mon Sep 17 00:00:00 2001
From: Kei Kebreau <kkebreau@posteo.net>
Date: Tue, 28 Nov 2017 18:28:48 -0500
Subject: [PATCH] doc: Update the example VCS snapshot package definition.

In commit ee17a9e06e636400e3354796a42ac445dbcc8f96, the helpers git-version
and git-file-name removed the need to build version and file name strings
manually for packages that use VCS snapshots.

doc/guix.texi (Version Numbers): Use git-version and git-file-name.
---
 doc/guix.texi | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 88764437a69..cad2b86e76f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -19898,16 +19898,14 @@ definition may look like this:
   (let ((commit "c3f29bc928d5900971f65965feaae59e1272a3f7")
         (revision "1"))          ;Guix package revision
     (package
-      (version (string-append "0.9-" revision "."
-                              (string-take commit 7)))
+      (version (git-version "0.9" revision commit))
       (source (origin
                 (method git-fetch)
                 (uri (git-reference
                       (url "git://example.org/my-package.git")
                       (commit commit)))
                 (sha256 (base32 "1mbikn@dots{}"))
-                (file-name (string-append "my-package-" version
-                                          "-checkout"))))
+                (file-name (git-file-name name version))))
       ;; @dots{}
       )))
 @end example
-- 
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