refs: support negative transfer.hideRefs

diff --git a/refs.c b/refs.c
index 7ac05cf21a25802f8e16d45ef75e37b7de2cda8a..68f2cb03c4031a525b99ea5a3494a9c64d786c83 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -4159,17 +4159,25 @@ int parse_hide_refs_config(const char *var, const char *value, const char *secti
 
 int ref_is_hidden(const char *refname)
 {
-       struct string_list_item *item;
+       int i;
 
        if (!hide_refs)
                return 0;
-       for_each_string_list_item(item, hide_refs) {
+       for (i = hide_refs->nr - 1; i >= 0; i--) {
+               const char *match = hide_refs->items[i].string;
+               int neg = 0;
                int len;
-               if (!starts_with(refname, item->string))
+
+               if (*match == '!') {
+                       neg = 1;
+                       match++;
+               }
+
+               if (!starts_with(refname, match))
                        continue;
-               len = strlen(item->string);
+               len = strlen(match);
                if (!refname[len] || refname[len] == '/')
-                       return 1;
+                       return !neg;
        }
        return 0;
 }