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| | #include "cache.h"
#include "object-store.h"
#include "promisor-remote.h"
#include "config.h"
#include "fetch-object.h"
static struct promisor_remote *promisors;
static struct promisor_remote **promisors_tail = &promisors;
static struct promisor_remote *promisor_remote_new(const char *remote_name)
{
struct promisor_remote *r;
if (*remote_name == '/') {
warning(_("promisor remote name cannot begin with '/': %s"),
remote_name);
return NULL;
}
FLEX_ALLOC_STR(r, name, remote_name);
*promisors_tail = r;
promisors_tail = &r->next;
return r;
}
static struct promisor_remote *promisor_remote_lookup(const char *remote_name,
struct promisor_remote **previous)
{
struct promisor_remote *r, *p;
for (p = NULL, r = promisors; r; p = r, r = r->next)
if (r->name && !strcmp(r->name, remote_name)) {
if (previous)
*previous = p;
return r;
}
return NULL;
}
static void promisor_remote_move_to_tail(struct promisor_remote *r,
struct promisor_remote *previous)
{
if (previous)
previous->next = r->next;
else
promisors = r->next ? r->next : r;
r->next = NULL;
*promisors_tail = r;
promisors_tail = &r->next;
}
static int promisor_remote_config(const char *var, const char *value, void *data)
{
const char *name;
int namelen;
const char *subkey;
if (parse_config_key(var, "remote", &name, &namelen, &subkey) < 0)
return 0;
if (!strcmp(subkey, "promisor")) {
char *remote_name;
if (!git_config_bool(var, value))
return 0;
remote_name = xmemdupz(name, namelen);
if (!promisor_remote_lookup(remote_name, NULL))
promisor_remote_new(remote_name);
free(remote_name);
return 0;
}
return 0;
}
static int initialized;
static void promisor_remote_init(void)
{
if (initialized)
return;
initialized = 1;
git_config(promisor_remote_config, NULL);
if (repository_format_partial_clone) {
struct promisor_remote *o, *previous;
o = promisor_remote_lookup(repository_format_partial_clone,
&previous);
if (o)
promisor_remote_move_to_tail(o, previous);
else
promisor_remote_new(repository_format_partial_clone);
}
}
static void promisor_remote_clear(void)
{
while (promisors) {
struct promisor_remote *r = promisors;
promisors = promisors->next;
free(r);
}
promisors_tail = &promisors;
}
void promisor_remote_reinit(void)
{
initialized = 0;
promisor_remote_clear();
promisor_remote_init();
}
struct promisor_remote *promisor_remote_find(const char *remote_name)
{
promisor_remote_init();
if (!remote_name)
return promisors;
return promisor_remote_lookup(remote_name, NULL);
}
int has_promisor_remote(void)
{
return !!promisor_remote_find(NULL);
}
static int remove_fetched_oids(struct object_id **oids, int oid_nr, int to_free)
{
int i, missing_nr = 0;
int *missing = xcalloc(oid_nr, sizeof(*missing));
struct object_id *old_oids = *oids;
struct object_id *new_oids;
int old_fetch_if_missing = fetch_if_missing;
fetch_if_missing = 0;
for (i = 0; i < oid_nr; i++)
if (oid_object_info_extended(the_repository, &old_oids[i], NULL, 0)) {
missing[i] = 1;
missing_nr++;
}
fetch_if_missing = old_fetch_if_missing;
if (missing_nr) {
int j = 0;
new_oids = xcalloc(missing_nr, sizeof(*new_oids));
for (i = 0; i < oid_nr; i++)
if (missing[i])
oidcpy(&new_oids[j++], &old_oids[i]);
*oids = new_oids;
if (to_free)
free(old_oids);
}
return missing_nr;
}
int promisor_remote_get_direct(const struct object_id *oids, int oid_nr)
{
struct promisor_remote *r;
struct object_id *missing_oids = (struct object_id *)oids;
int missing_nr = oid_nr;
int to_free = 0;
int res = -1;
promisor_remote_init();
for (r = promisors; r; r = r->next) {
if (fetch_objects(r->name, missing_oids, missing_nr) < 0) {
if (missing_nr == 1)
continue;
missing_nr = remove_fetched_oids(&missing_oids, missing_nr, to_free);
if (missing_nr) {
to_free = 1;
continue;
}
}
res = 0;
break;
}
if (to_free)
free(missing_oids);
return res;
}
|