#include "builtin.h"
#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
#include "run-command.h"
#include "exec_cmd.h"
#include "commit.h"
#include "object.h"
#include "remote.h"
#include "transport.h"
#include "string-list.h"
#include "sha1-array.h"
#include "connected.h"
#include "version.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
enum deny_action {
DENY_UNCONFIGURED,
DENY_IGNORE,
DENY_WARN,
DENY_REFUSE
};
static int deny_deletes;
static int deny_non_fast_forwards;
static enum deny_action deny_current_branch = DENY_UNCONFIGURED;
static enum deny_action deny_delete_current = DENY_UNCONFIGURED;
static int receive_fsck_objects = -1;
static int transfer_fsck_objects = -1;
static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
static int unpack_limit = 100;
static int report_status;
static int use_sideband;
static int quiet;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int auto_gc = 1;
static const char *head_name;
static void *head_name_to_free;
static int sent_capabilities;
static enum deny_action parse_deny_action(const char *var, const char *value)
{
if (value) {
if (!strcasecmp(value, "ignore"))
return DENY_IGNORE;
if (!strcasecmp(value, "warn"))
return DENY_WARN;
if (!strcasecmp(value, "refuse"))
return DENY_REFUSE;
}
if (git_config_bool(var, value))
return DENY_REFUSE;
return DENY_IGNORE;
}
static int receive_pack_config(const char *var, const char *value, void *cb)
{
if (strcmp(var, "receive.denydeletes") == 0) {
deny_deletes = git_config_bool(var, value);
return 0;
}
if (strcmp(var, "receive.denynonfastforwards") == 0) {
deny_non_fast_forwards = git_config_bool(var, value);
return 0;
}
if (strcmp(var, "receive.unpacklimit") == 0) {
receive_unpack_limit = git_config_int(var, value);
return 0;
}
if (strcmp(var, "transfer.unpacklimit") == 0) {
transfer_unpack_limit = git_config_int(var, value);
return 0;
}
if (strcmp(var, "receive.fsckobjects") == 0) {
receive_fsck_objects = git_config_bool(var, value);
return 0;
}
if (strcmp(var, "transfer.fsckobjects") == 0) {
transfer_fsck_objects = git_config_bool(var, value);
return 0;
}
if (!strcmp(var, "receive.denycurrentbranch")) {
deny_current_branch = parse_deny_action(var, value);
return 0;
}
if (strcmp(var, "receive.denydeletecurrent") == 0) {
deny_delete_current = parse_deny_action(var, value);
return 0;
}
if (strcmp(var, "repack.usedeltabaseoffset") == 0) {
prefer_ofs_delta = git_config_bool(var, value);
return 0;
}
if (strcmp(var, "receive.updateserverinfo") == 0) {
auto_update_server_info = git_config_bool(var, value);
return 0;
}
if (strcmp(var, "receive.autogc") == 0) {
auto_gc = git_config_bool(var, value);
return 0;
}
return git_default_config(var, value, cb);
}
static void show_ref(const char *path, const unsigned char *sha1)
{
if (sent_capabilities)
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
else
packet_write(1, "%s %s%c%s%s agent=%s\n",
sha1_to_hex(sha1), path, 0,
" report-status delete-refs side-band-64k quiet",
prefer_ofs_delta ? " ofs-delta" : "",
git_user_agent_sanitized());
sent_capabilities = 1;
}
static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused)
{
path = strip_namespace(path);
/*
* Advertise refs outside our current namespace as ".have"
* refs, so that the client can use them to minimize data
* transfer but will otherwise ignore them. This happens to
* cover ".have" that are thrown in by add_one_alternate_ref()
* to mark histories that are complete in our alternates as
* well.
*/
if (!path)
path = ".have";
show_ref(path, sha1);
return 0;
}
static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused)
{
show_ref(".have", sha1);
}
static void collect_one_alternate_ref(const struct ref *ref, void *data)
{
struct sha1_array *sa = data;
sha1_array_append(sa, ref->old_sha1);
}
static void write_head_info(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
for_each_ref(show_ref_cb, NULL);
if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1);
/* EOF */
packet_flush(1);
}
struct command {
struct command *next;
const char *error_string;
unsigned int skip_update:
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