Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2#include "remote.h"
   3#include "checkout.h"
   4
   5struct tracking_name_data {
   6        /* const */ char *src_ref;
   7        char *dst_ref;
   8        struct object_id *dst_oid;
   9        int unique;
  10};
  11
  12static int check_tracking_name(struct remote *remote, void *cb_data)
  13{
  14        struct tracking_name_data *cb = cb_data;
  15        struct refspec query;
  16        memset(&query, 0, sizeof(struct refspec));
  17        query.src = cb->src_ref;
  18        if (remote_find_tracking(remote, &query) ||
  19            get_oid(query.dst, cb->dst_oid)) {
  20                free(query.dst);
  21                return 0;
  22        }
  23        if (cb->dst_ref) {
  24                free(query.dst);
  25                cb->unique = 0;
  26                return 0;
  27        }
  28        cb->dst_ref = query.dst;
  29        return 0;
  30}
  31
  32const char *unique_tracking_name(const char *name, struct object_id *oid)
  33{
  34        struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 };
  35        cb_data.src_ref = xstrfmt("refs/heads/%s", name);
  36        cb_data.dst_oid = oid;
  37        for_each_remote(check_tracking_name, &cb_data);
  38        free(cb_data.src_ref);
  39        if (cb_data.unique)
  40                return cb_data.dst_ref;
  41        free(cb_data.dst_ref);
  42        return NULL;
  43}