GNU bug report logs - #29496
[PATCH] doc: Update the example VCS snapshot package definition.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Kei Kebreau <kkebreau <at> posteo.net>
To: guix-patches <at> gnu.org
Cc: Kei Kebreau <kkebreau <at> posteo.net>
Subject: [PATCH] doc: Update the example VCS snapshot package definition.
Date: Tue, 28 Nov 2017 18:38:53 -0500

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 777ca2738..0bd6b6a79 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -19880,16 +19880,14 @@ 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 <at> dots{}"))
-                (file-name (string-append "my-package-" version
-                                          "-checkout"))))
+                (file-name (git-file-name name version))))
       ;; @dots{}
       )))
 @end example
-- 
2.15.0

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