[libgit2-glib] repository: add ggit_repository_path_is_ignored()

[Christian Hergert <chergert src gnome org>]

commit c3224b70acfdbe0a9b4f927ca474cff4953f2453
Author: Christian Hergert <christian hergert me>
Date:   Mon Apr 13 11:49:30 2015 -0700

    repository: add ggit_repository_path_is_ignored()
    
    This function is a convenience wrapper around git_ignore_path_is_ignored()
    which takes a git_repository* and a path.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747727

 libgit2-glib/ggit-repository.c |   35 +++++++++++++++++++++++++++++++++++
 libgit2-glib/ggit-repository.h |    3 +++
 2 files changed, 38 insertions(+), 0 deletions(-)
---
diff --git a/libgit2-glib/ggit-repository.c b/libgit2-glib/ggit-repository.c
index 0dbee2c..bc7094d 100644
--- a/libgit2-glib/ggit-repository.c
+++ b/libgit2-glib/ggit-repository.c
@@ -116,6 +116,41 @@ unregister_repository (git_repository *repository)
        }
 }
 
+/**
+ * ggit_repository_path_is_ignored:
+ * @repository: A #GgitRepository.
+ * @path: A path within the repository.
+ * @error: (allow-none): A location for a #GError, or %NULL.
+ *
+ * Tests if the ignore rules apply to the path provided.
+ *
+ * This acts similar to filtering performed when calling "git add ."
+ * on the command line.
+ *
+ * Returns: %TRUE if @path should be ignored.
+ */
+gboolean
+ggit_repository_path_is_ignored (GgitRepository  *repository,
+                                 const gchar     *path,
+                                GError         **error)
+{
+       int ignored = FALSE;
+       int ret;
+
+       g_return_val_if_fail (GGIT_IS_REPOSITORY (repository), FALSE);
+       g_return_val_if_fail (path != NULL, FALSE);
+
+       ret = git_ignore_path_is_ignored (&ignored, _ggit_native_get (repository), path);
+
+       if (ret != GIT_OK)
+       {
+               _ggit_error_set (error, ret);
+               return FALSE;
+       }
+
+       return !!ignored;
+}
+
 static void
 ggit_repository_finalize (GObject *object)
 {
diff --git a/libgit2-glib/ggit-repository.h b/libgit2-glib/ggit-repository.h
index e48fd70..fd9536b 100644
--- a/libgit2-glib/ggit-repository.h
+++ b/libgit2-glib/ggit-repository.h
@@ -419,6 +419,9 @@ gboolean            ggit_repository_note_foreach       (GgitRepository
                                                         GgitNoteCallback         callback,
                                                         gpointer                 user_data,
                                                         GError                 **error);
+gboolean           ggit_repository_path_is_ignored     (GgitRepository          *repository,
+                                                        const gchar             *path,
+                                                        GError                 **error);
 
 G_END_DECLS