[gitg] Create global config file if it doesn't exist yet

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

commit 09c661254af0ceaf05e97eab59a0c481fe9adeb0
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Wed Aug 17 20:01:34 2016 +0200

    Create global config file if it doesn't exist yet
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760119

 gitg/gitg-author-details-dialog.vala |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/gitg/gitg-author-details-dialog.vala b/gitg/gitg-author-details-dialog.vala
index acb2c78..c2d8640 100644
--- a/gitg/gitg-author-details-dialog.vala
+++ b/gitg/gitg-author-details-dialog.vala
@@ -56,6 +56,18 @@ namespace Gitg
 
                public static AuthorDetailsDialog? show_global(Window window)
                {
+                       var xdg_config_path = Path.build_filename(Environment.get_user_config_dir(), "git", 
"config");
+                       var config_path = Path.build_filename(Environment.get_home_dir(), ".gitconfig");
+
+                       // If neither exists yet, create default empty one
+                       if (!FileUtils.test(xdg_config_path, FileTest.EXISTS) && !FileUtils.test(config_path, 
FileTest.EXISTS))
+                       {
+                               try
+                               {
+                                       FileUtils.set_contents(config_path, "");
+                               } catch {}
+                       }
+
                        var global_config_file = Ggit.Config.find_global();
 
                        if (global_config_file == null)