[gitg] Correctly set author date in hooks

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 2a663d52d014443c5b1d37624f493599e1df6604
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Jul 6 12:23:39 2013 +0200

    Correctly set author date in hooks

 libgitg/gitg-stage.vala |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/libgitg/gitg-stage.vala b/libgitg/gitg-stage.vala
index 1a9e7ed..cd6f08e 100644
--- a/libgitg/gitg-stage.vala
+++ b/libgitg/gitg-stage.vala
@@ -173,7 +173,13 @@ public class Stage : Object
                {
                        hook.environment["GIT_AUTHOR_NAME"] = author.get_name();
                        hook.environment["GIT_AUTHOR_EMAIL"] = author.get_email();
-                       hook.environment["GIT_AUTHOR_DATE"] = author.get_email();
+
+                       var date = author.get_time();
+
+                       var un = date.to_unix();
+                       var tz = date.to_timezone(author.get_time_zone()).format("%z");
+
+                       hook.environment["GIT_AUTHOR_DATE"] = @"@$(un) $(tz)";
                }
        }