#include "cache.h"
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
#include "tag.h"
#include "object.h"
#include "commit.h"
#include "exec_cmd.h"
#include "diff.h"
#include "revision.h"
#include "list-objects.h"
#include "run-command.h"
#include "connect.h"
#include "sigchain.h"
#include "version.h"
#include "string-list.h"
#include "parse-options.h"
#include "argv-array.h"
#include "prio-queue.h"
static const char * const upload_pack_usage[] = {
N_("git upload-pack [<options>] <dir>"),
NULL
};
/* Remember to update object flag allocation in object.h */
#define THEY_HAVE (1u << 11)
#define OUR_REF (1u << 12)
#define WANTED (1u << 13)
#define COMMON_KNOWN (1u << 14)
#define REACHABLE (1u << 15)
#define SHALLOW (1u << 16)
#define NOT_SHALLOW (1u << 17)
#define CLIENT_SHALLOW (1u << 18)
#define HIDDEN_REF (1u << 19)
static unsigned long oldest_have;
static int deepen_relative;
static int multi_ack;
static int no_done;
static int use_thin_pack, use_ofs_delta, use_include_tag;
static int no_progress, daemon_mode;
/* 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
/* Allow request of any sha1. Implies ALLOW_TIP_SHA1 and ALLOW_REACHABLE_SHA1. */
#define ALLOW_ANY_SHA1 07
static unsigned int allow_unadvertised_object_request;
static int shallow_nr;
static struct object_array have_obj;
static struct object_array want_obj;
static struct object_array extra_edge_obj;
static unsigned int timeout;
static int keepalive = 5;
/* 0 for no sideband,
* otherwise maximum packet size (up to 65520 bytes).
*/
static int use_sideband;
static int advertise_refs;
static int stateless_rpc;
static const char *pack_objects_hook;
static void reset_timeout(void)
{
alarm(timeout);
}
static void send_client_data(int fd, const char *data, ssize_t sz)
{
if (use_sideband) {
send_sideband(1, fd, data, sz, use_sideband);
return;
}
if (fd == 3)
/* emergency quit */
fd = 2;
if (fd == 2) {
/* XXX: are we happy to lose stuff here? */
xwrite(fd, data, sz);
return;
}
write_or_die(fd, data, sz);
}
static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
{
FILE *fp = cb_data;
if (graft->nr_parent == -1)
fprintf(fp, "--shallow %s\n", oid_to_hex(&graft->oid));
return 0;
}
static void create_pack_file(void)
{
struct child_process pack_objects = CHILD_PROCESS_INIT;
char data[8193], progress[128];
char abort_msg[] = "aborting due to possible repository "
"corruption on the remote side.";
int buffered = -1;
ssize_t sz;
int i;
FILE *pipe_fd;
if (!pack_objects_hook)
pack_objects.git_cmd = 1;
else {
argv_array_push(&pack_objects.args, pack_objects_hook);
argv_array_push(&pack_objects.args, "git");
pack_objects.use_shell = 1;
}
if (shallow_nr) {
argv_array_push(&pack_objects.args, "--shallow-file");
argv_array_push(&pack_objects.args, "");
}
argv_array_push(&pack_objects.args, "pack-objects");
argv_array_push(&pack_objects.args, "--revs");
if (use_thin_pack)
argv_array_push(&pack_objects.args, "--thin");
argv_array_push(&pack_objects.args, "--stdout");
if (shallow_nr)
argv_array_push(&pack_objects.args, "--shallow");
if (!no_progress)
argv_array_push(&pack_objects.args, "--progress");
if (use_ofs_delta)
argv_array_push(&pack_objects.args, "--delta-base-offset");
if (use_include_tag)
argv_array_push(&pack_objects.args, "--include-tag");
pack_objects.in = -1;
pack_objects.out = -1;
pack_objects.err = -1;
if (start_command(&pack_objects))
die("git upload-pack: unable to fork git-pack-objects");
pipe_fd = xfdopen(pack_objects.in, "w");
if (shallow_nr)
for_each_commit_graft(write_one_shallow, pipe_fd);
for (i = 0; i < want_obj.nr; i++)
fprintf(pipe_fd, "%s\n",
oid_to_hex(&want_obj.objects[i].item->oid));
fprintf(pipe_fd, "--not\n");
for (i = 0; i < have_obj.nr; i++)
fprintf(pipe_fd, "%s\n",
oid_to_hex(&have_obj.objects[i].item->oid));
for (i = 0; i < extra_edge_obj.nr; i++)
fprintf(pipe_fd, "%s\n",
oid_to_hex(&extra_edge_obj.objects[i].item->oid));
fprintf(pipe_fd, "\n");
fflush(pipe_fd);
fclose(pipe_fd);
/* We read from pack_objects.err to capture stderr output for
* progress bar, and pack_objects.out to capture the pack data.
*/
while (1) {
struct pollfd pfd[2];
int pe, pu, pollsize;
int ret;
reset_timeout();
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