[libgit2-glib] Add ggit_patch_get_hunk

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

commit 72f60e508a6efdab029bf0f8370271aacdb3c1f6
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Nov 23 15:38:42 2013 +0100

    Add ggit_patch_get_hunk

 libgit2-glib/ggit-patch.c |   33 +++++++++++++++++++++++++++++++++
 libgit2-glib/ggit-patch.h |    4 ++++
 2 files changed, 37 insertions(+), 0 deletions(-)
---
diff --git a/libgit2-glib/ggit-patch.c b/libgit2-glib/ggit-patch.c
index e89313b..a865d12 100644
--- a/libgit2-glib/ggit-patch.c
+++ b/libgit2-glib/ggit-patch.c
@@ -21,6 +21,7 @@
 #include "ggit-patch.h"
 #include "ggit-diff.h"
 #include "ggit-diff-delta.h"
+#include "ggit-diff-hunk.h"
 #include "ggit-error.h"
 #include "ggit-diff-options.h"
 
@@ -379,4 +380,36 @@ ggit_patch_get_delta (GgitPatch *patch)
        return _ggit_diff_delta_wrap (git_patch_get_delta (patch->patch));
 }
 
+/**
+ * ggit_patch_get_hunk:
+ * @patch: a #GgitPatch
+ * @idx: the hunk index.
+ * @error: a #GError
+ *
+ * Get the @idx'th hunk in the patch.
+ *
+ * Returns: (transfer full): a new #GgitDiffHunk or %NULL on error.
+ */
+GgitDiffHunk *
+ggit_patch_get_hunk (GgitPatch  *patch,
+                     gsize       idx,
+                     GError    **error)
+{
+       const git_diff_hunk *hunk;
+       size_t tlines;
+       gint ret;
+
+       g_return_val_if_fail (patch != NULL, NULL);
+
+       ret = git_patch_get_hunk (&hunk, &tlines, patch->patch, idx);
+
+       if (ret != GIT_OK)
+       {
+               _ggit_error_set (error, ret);
+               return NULL;
+       }
+
+       return _ggit_diff_hunk_wrap (hunk);
+}
+
 /* ex:set ts=8 noet: */
diff --git a/libgit2-glib/ggit-patch.h b/libgit2-glib/ggit-patch.h
index 7e5d7c1..2d2b848 100644
--- a/libgit2-glib/ggit-patch.h
+++ b/libgit2-glib/ggit-patch.h
@@ -71,6 +71,10 @@ gint             ggit_patch_get_num_lines_in_hunk (
 
 GgitDiffDelta   *ggit_patch_get_delta        (GgitPatch     *patch);
 
+GgitDiffHunk    *ggit_patch_get_hunk         (GgitPatch     *patch,
+                                              gsize          idx,
+                                              GError       **error);
+
 G_END_DECLS
 
 #endif /* __GGIT_PATCH_H__ */