| #define USE_THE_REPOSITORY_VARIABLE |
| |
| #include "git-compat-util.h" |
| #include "object-name.h" |
| #include "remote.h" |
| #include "refspec.h" |
| #include "repository.h" |
| #include "checkout.h" |
| #include "config.h" |
| #include "strbuf.h" |
| |
| struct tracking_name_data { |
| /* const */ char *src_ref; |
| char *dst_ref; |
| struct object_id *dst_oid; |
| int num_matches; |
| const char *default_remote; |
| char *default_dst_ref; |
| struct object_id *default_dst_oid; |
| }; |
| |
| #define TRACKING_NAME_DATA_INIT { 0 } |
| |
| static int check_tracking_name(struct remote *remote, void *cb_data) |
| { |
| struct tracking_name_data *cb = cb_data; |
| struct refspec_item query; |
| memset(&query, 0, sizeof(struct refspec_item)); |
| query.src = cb->src_ref; |
| if (remote_find_tracking(remote, &query) || |
| repo_get_oid(the_repository, query.dst, cb->dst_oid)) { |
| free(query.dst); |
| return 0; |
| } |
| cb->num_matches++; |
| if (cb->default_remote && !strcmp(remote->name, cb->default_remote)) { |
| struct object_id *dst = xmalloc(sizeof(*cb->default_dst_oid)); |
| cb->default_dst_ref = xstrdup(query.dst); |
| oidcpy(dst, cb->dst_oid); |
| cb->default_dst_oid = dst; |
| } |
| if (cb->dst_ref) { |
| free(query.dst); |
| return 0; |
| } |
| cb->dst_ref = query.dst; |
| return 0; |
| } |
| |
| char *unique_tracking_name(const char *name, struct object_id *oid, |
| int *dwim_remotes_matched) |
| { |
| struct tracking_name_data cb_data = TRACKING_NAME_DATA_INIT; |
| const char *default_remote = NULL; |
| if (!git_config_get_string_tmp("checkout.defaultremote", &default_remote)) |
| cb_data.default_remote = default_remote; |
| cb_data.src_ref = xstrfmt("refs/heads/%s", name); |
| cb_data.dst_oid = oid; |
| for_each_remote(check_tracking_name, &cb_data); |
| if (dwim_remotes_matched) |
| *dwim_remotes_matched = cb_data.num_matches; |
| free(cb_data.src_ref); |
| if (cb_data.num_matches == 1) { |
| free(cb_data.default_dst_ref); |
| free(cb_data.default_dst_oid); |
| return cb_data.dst_ref; |
| } |
| free(cb_data.dst_ref); |
| if (cb_data.default_dst_ref) { |
| oidcpy(oid, cb_data.default_dst_oid); |
| free(cb_data.default_dst_oid); |
| return cb_data.default_dst_ref; |
| } |
| return NULL; |
| } |