attr: make sure we have an xdg path before using it

diff --git a/tree-walk.c b/tree-walk.c
index f82dba6a1f43bf2a259952a4fd6db94d6335deb7..492c7cd744d5f0739c8393ab67705c0be1254783 100644 (file)
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -661,6 +661,9 @@ enum interesting tree_entry_interesting(const struct name_entry *entry,
                /*
                 * Match all directories. We'll try to match files
                 * later on.
+                * max_depth is ignored but we may consider support it
+                * in future, see
+                * http://thread.gmane.org/gmane.comp.version-control.git/163757/focus=163840
                 */
                if (ps->recursive && S_ISDIR(entry->mode))
                        return entry_interesting;