config: write to $XDG_CONFIG_HOME/git/config file when appropriate

diff --git a/remote.c b/remote.c
index b296d174043b5e5a11aceb9940ba6ba035e77678..6833538829e1d3e5fe4a525a1b44cbebd9f96efb 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -7,6 +7,7 @@
 #include "dir.h"
 #include "tag.h"
 #include "string-list.h"
+#include "mergesort.h"
 
 enum map_direction { FROM_SRC, FROM_DST };
 
@@ -918,6 +919,27 @@ void free_refs(struct ref *ref)
        }
 }
 
+int ref_compare_name(const void *va, const void *vb)
+{
+       const struct ref *a = va, *b = vb;
+       return strcmp(a->name, b->name);
+}
+
+static void *ref_list_get_next(const void *a)
+{
+       return ((const struct ref *)a)->next;
+}
+
+static void ref_list_set_next(void *a, void *next)
+{
+       ((struct ref *)a)->next = next;
+}
+
+void sort_ref_list(struct ref **l, int (*cmp)(const void *, const void *))
+{
+       *l = llist_mergesort(*l, ref_list_get_next, ref_list_set_next, cmp);
+}
+
 static int count_refspec_match(const char *pattern,
                               struct ref *refs,
                               struct ref **matched_ref)