#include "cache.h"
#include "config.h"
#include "lockfile.h"
#include "refs.h"
#include "pkt-line.h"
#include "commit.h"
#include "tag.h"
#include "exec_cmd.h"
#include "pack.h"
#include "sideband.h"
#include "fetch-pack.h"
#include "remote.h"
#include "run-command.h"
#include "connect.h"
#include "transport.h"
#include "version.h"
#include "prio-queue.h"
#include "sha1-array.h"
#include "oidset.h"
#include "packfile.h"
static int transfer_unpack_limit = -1;
static int fetch_unpack_limit = -1;
static int unpack_limit = 100;
static int prefer_ofs_delta = 1;
static int no_done;
static int deepen_since_ok;
static int deepen_not_ok;
static int fetch_fsck_objects = -1;
static int transfer_fsck_objects = -1;
static int agent_supported;
static int server_supports_filtering;
static struct lock_file shallow_lock;
static const char *alternate_shallow_file;
/* Remember to update object flag allocation in object.h */
#define COMPLETE (1U << 0)
#define COMMON (1U << 1)
#define COMMON_REF (1U << 2)
#define SEEN (1U << 3)
#define POPPED (1U << 4)
#define ALTERNATE (1U << 5)
static int marked;
/*
* After sending this many "have"s if we do not get any new ACK , we
* give up traversing our history.
*/
#define MAX_IN_VAIN 256
static struct prio_queue rev_list = { compare_commits_by_commit_date };
static int non_common_revs, multi_ack, use_sideband;
/* Allow specifying sha1 if it is a ref tip. */
#define ALLOW_TIP_SHA1 01
/* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */
#define ALLOW_REACHABLE_SHA1 02
static unsigned int allow_unadvertised_object_request;
__attribute__((format (printf, 2, 3)))
static inline void print_verbose(const struct fetch_pack_args *args,
const char *fmt, ...)
{
va_list params;
if (!args->verbose)
return;
va_start(params, fmt);
vfprintf(stderr, fmt, params);
va_end(params);
fputc('\n', stderr);
}
struct alternate_object_cache {
struct object **items;
size_t nr, alloc;
};
static void cache_one_alternate(const char *refname,
const struct object_id *oid,
void *vcache)
{
struct alternate_object_cache *cache = vcache;
struct object *obj = parse_object(oid);
if (!obj || (obj->flags & ALTERNATE))
return;
obj->flags |= ALTERNATE;
ALLOC_GROW(cache->items, cache->nr + 1, cache->alloc);
cache->items[cache->nr++] = obj;
}
static void for_each_cached_alternate(void (*cb)(struct object *))
{
static int initialized;
static struct alternate_object_cache cache;
size_t i;
if (!initialized) {
for_each_alternate_ref(cache_one_alternate, &cache);
initialized = 1;
}
for (i = 0; i < cache.nr; i++)
cb(cache.items[i]);
}
static void rev_list_push(struct commit *commit, int mark)
{
if (!(commit->object.flags & mark)) {
commit->object.flags |= mark;
if (parse_commit(commit))
return;
prio_queue_put(&rev_list, commit);
if (!(commit->object.flags & COMMON))
non_common_revs++;
}
}
static int rev_list_insert_ref(const char *refname, const struct object_id *oid)
{
struct object *o = deref_tag(parse_object(oid), refname, 0);
if (o && o->type == OBJ_COMMIT)
rev_list_push((struct commit *)o, SEEN);
return 0;
}
static int rev_list_insert_ref_oid(const char *refname, const struct object_id *oid,
int flag, void *cb_data)
{
return
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