72 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
| #include "cache.h"
 | |
| #include "remote.h"
 | |
| #include "refspec.h"
 | |
| #include "checkout.h"
 | |
| #include "config.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 { NULL, NULL, NULL, 0, NULL, NULL, NULL }
 | |
| 
 | |
| 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) ||
 | |
| 	    get_oid(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;
 | |
| }
 | |
| 
 | |
| const 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_const("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);
 | |
| 	free((char *)default_remote);
 | |
| 	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;
 | |
| }
 |