upload/receive-pack: allow hiding ref hierarchies
[git/git.git] / refs.c
diff --git a/refs.c b/refs.c
index 541fec2..ec41eee 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -3,6 +3,7 @@
 #include "object.h"
 #include "tag.h"
 #include "dir.h"
 #include "object.h"
 #include "tag.h"
 #include "dir.h"
+#include "string-list.h"
 
 /*
  * Make sure "ref" is something reasonable to have under ".git/refs/";
 
 /*
  * Make sure "ref" is something reasonable to have under ".git/refs/";
@@ -2556,3 +2557,46 @@ char *shorten_unambiguous_ref(const char *refname, int strict)
        free(short_name);
        return xstrdup(refname);
 }
        free(short_name);
        return xstrdup(refname);
 }
+
+static struct string_list *hide_refs;
+
+int parse_hide_refs_config(const char *var, const char *value, const char *section)
+{
+       if (!strcmp("transfer.hiderefs", var) ||
+           /* NEEDSWORK: use parse_config_key() once both are merged */
+           (!prefixcmp(var, section) && var[strlen(section)] == '.' &&
+            !strcmp(var + strlen(section), ".hiderefs"))) {
+               char *ref;
+               int len;
+
+               if (!value)
+                       return config_error_nonbool(var);
+               ref = xstrdup(value);
+               len = strlen(ref);
+               while (len && ref[len - 1] == '/')
+                       ref[--len] = '\0';
+               if (!hide_refs) {
+                       hide_refs = xcalloc(1, sizeof(*hide_refs));
+                       hide_refs->strdup_strings = 1;
+               }
+               string_list_append(hide_refs, ref);
+       }
+       return 0;
+}
+
+int ref_is_hidden(const char *refname)
+{
+       struct string_list_item *item;
+
+       if (!hide_refs)
+               return 0;
+       for_each_string_list_item(item, hide_refs) {
+               int len;
+               if (prefixcmp(refname, item->string))
+                       continue;
+               len = strlen(item->string);
+               if (!refname[len] || refname[len] == '/')
+                       return 1;
+       }
+       return 0;
+}