Revision cb95038137e9e66fc6a6b4a0e8db62bcc521b709 authored by Johannes Schindelin on 17 March 2022, 09:15:15 UTC, committed by Johannes Schindelin on 23 March 2022, 23:22:17 UTC
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
1 parent fdcad5a
checkout.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_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;
}
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