freshlybakedca.ke
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1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "object-name.h"
5#include "remote.h"
6#include "refspec.h"
7#include "repository.h"
8#include "checkout.h"
9#include "config.h"
10#include "strbuf.h"
11
12struct tracking_name_data {
13 /* const */ char *src_ref;
14 char *dst_ref;
15 struct object_id *dst_oid;
16 int num_matches;
17 const char *default_remote;
18 char *default_dst_ref;
19 struct object_id *default_dst_oid;
20};
21
22#define TRACKING_NAME_DATA_INIT { 0 }
23
24static int check_tracking_name(struct remote *remote, void *cb_data)
25{
26 struct tracking_name_data *cb = cb_data;
27 struct refspec_item query;
28 memset(&query, 0, sizeof(struct refspec_item));
29 query.src = cb->src_ref;
30 if (remote_find_tracking(remote, &query) ||
31 repo_get_oid(the_repository, query.dst, cb->dst_oid)) {
32 free(query.dst);
33 return 0;
34 }
35 cb->num_matches++;
36 if (cb->default_remote && !strcmp(remote->name, cb->default_remote)) {
37 struct object_id *dst = xmalloc(sizeof(*cb->default_dst_oid));
38 cb->default_dst_ref = xstrdup(query.dst);
39 oidcpy(dst, cb->dst_oid);
40 cb->default_dst_oid = dst;
41 }
42 if (cb->dst_ref) {
43 free(query.dst);
44 return 0;
45 }
46 cb->dst_ref = query.dst;
47 return 0;
48}
49
50char *unique_tracking_name(const char *name, struct object_id *oid,
51 int *dwim_remotes_matched)
52{
53 struct tracking_name_data cb_data = TRACKING_NAME_DATA_INIT;
54 const char *default_remote = NULL;
55 if (!repo_config_get_string_tmp(the_repository, "checkout.defaultremote", &default_remote))
56 cb_data.default_remote = default_remote;
57 cb_data.src_ref = xstrfmt("refs/heads/%s", name);
58 cb_data.dst_oid = oid;
59 for_each_remote(check_tracking_name, &cb_data);
60 if (dwim_remotes_matched)
61 *dwim_remotes_matched = cb_data.num_matches;
62 free(cb_data.src_ref);
63 if (cb_data.num_matches == 1) {
64 free(cb_data.default_dst_ref);
65 free(cb_data.default_dst_oid);
66 return cb_data.dst_ref;
67 }
68 free(cb_data.dst_ref);
69 if (cb_data.default_dst_ref) {
70 oidcpy(oid, cb_data.default_dst_oid);
71 free(cb_data.default_dst_oid);
72 return cb_data.default_dst_ref;
73 }
74 return NULL;
75}