[libgit2-glib] Bind git_reference_dwim

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

commit 011ef056502fffd6c6c27dfa0722f4e7634b5236
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Wed Aug 5 19:12:17 2015 +0200

    Bind git_reference_dwim

 libgit2-glib/ggit-repository.c |   39 +++++++++++++++++++++++++++++++++++++++
 libgit2-glib/ggit-repository.h |    4 ++++
 2 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/libgit2-glib/ggit-repository.c b/libgit2-glib/ggit-repository.c
index ff9c2a8..af0df9e 100644
--- a/libgit2-glib/ggit-repository.c
+++ b/libgit2-glib/ggit-repository.c
@@ -735,6 +735,45 @@ ggit_repository_lookup_reference (GgitRepository  *repository,
 }
 
 /**
+ * ggit_repository_lookup_reference_dwim:
+ * @repository: a #GgitRepository.
+ * @short_name: the short name for the reference (e.g. master, v0.1.0, ...).
+ * @error: a #GError for error reporting, or %NULL.
+ *
+ * Lookups a reference by its short name in @repository applying the git precendence
+ * rules to the given shorthand to determine which reference the user is referring to.
+ * The returned #GgitRef must be freed with g_object_unref().
+ *
+ * Returns: (transfer full): the searched reference.
+ */
+GgitRef *
+ggit_repository_lookup_reference_dwim (GgitRepository  *repository,
+                                       const gchar     *short_name,
+                                       GError         **error)
+{
+       GgitRef *ref = NULL;
+       git_reference *reference;
+       gint ret;
+
+       g_return_val_if_fail (GGIT_IS_REPOSITORY (repository), NULL);
+       g_return_val_if_fail (short_name != NULL, NULL);
+
+       ret = git_reference_dwim (&reference, _ggit_native_get (repository),
+                                 short_name);
+
+       if (ret == GIT_OK)
+       {
+               ref = _ggit_ref_wrap (reference, FALSE);
+       }
+       else
+       {
+               _ggit_error_set (error, ret);
+       }
+
+       return ref;
+}
+
+/**
  * ggit_repository_create_reference:
  * @repository: a #GgitRepository.
  * @name: the name for the new #GgitRef.
diff --git a/libgit2-glib/ggit-repository.h b/libgit2-glib/ggit-repository.h
index b9e00ad..2c933a1 100644
--- a/libgit2-glib/ggit-repository.h
+++ b/libgit2-glib/ggit-repository.h
@@ -98,6 +98,10 @@ GgitRef            *ggit_repository_lookup_reference  (GgitRepository        *re
                                                        const gchar           *name,
                                                        GError               **error);
 
+GgitRef            *ggit_repository_lookup_reference_dwim  (GgitRepository        *repository,
+                                                            const gchar           *short_name,
+                                                            GError               **error);
+
 GgitRef            *ggit_repository_create_reference  (GgitRepository        *repository,
                                                        const gchar           *name,
                                                        GgitOId               *oid,