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git/builtin/send-pack.c

344 lines
8.8 KiB

#include "builtin.h"
#include "config.h"
#include "commit.h"
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
#include "run-command.h"
#include "remote.h"
#include "connect.h"
#include "send-pack.h"
#include "quote.h"
#include "transport.h"
#include "version.h"
#include "oid-array.h"
#include "gpg-interface.h"
#include "gettext.h"
#include "protocol.h"
static const char * const send_pack_usage[] = {
N_("git send-pack [--mirror] [--dry-run] [--force]\n"
" [--receive-pack=<git-receive-pack>]\n"
" [--verbose] [--thin] [--atomic]\n"
" [<host>:]<directory> (--all | <ref>...)"),
NULL,
};
static struct send_pack_args args;
static void print_helper_status(struct ref *ref)
{
struct strbuf buf = STRBUF_INIT;
struct ref_push_report *report;
for (; ref; ref = ref->next) {
const char *msg = NULL;
const char *res;
int count = 0;
switch(ref->status) {
case REF_STATUS_NONE:
res = "error";
msg = "no match";
break;
case REF_STATUS_OK:
res = "ok";
break;
case REF_STATUS_UPTODATE:
res = "ok";
msg = "up to date";
break;
case REF_STATUS_REJECT_NONFASTFORWARD:
res = "error";
msg = "non-fast forward";
break;
case REF_STATUS_REJECT_FETCH_FIRST:
res = "error";
msg = "fetch first";
break;
case REF_STATUS_REJECT_NEEDS_FORCE:
res = "error";
msg = "needs force";
break;
case REF_STATUS_REJECT_STALE:
res = "error";
msg = "stale info";
break;
case REF_STATUS_REJECT_REMOTE_UPDATED:
res = "error";
msg = "remote ref updated since checkout";
break;
case REF_STATUS_REJECT_ALREADY_EXISTS:
res = "error";
msg = "already exists";
break;
case REF_STATUS_REJECT_NODELETE:
case REF_STATUS_REMOTE_REJECT:
res = "error";
break;
case REF_STATUS_EXPECTING_REPORT:
res = "error";
msg = "expecting report";
break;
default:
continue;
}
strbuf_reset(&buf);
strbuf_addf(&buf, "%s %s", res, ref->name);
if (ref->remote_status)
msg = ref->remote_status;
if (msg) {
strbuf_addch(&buf, ' ');
quote_two_c_style(&buf, "", msg, 0);
}
strbuf_addch(&buf, '\n');
if (ref->status == REF_STATUS_OK) {
for (report = ref->report; report; report = report->next) {
if (count++ > 0)
strbuf_addf(&buf, "ok %s\n", ref->name);
if (report->ref_name)
strbuf_addf(&buf, "option refname %s\n",
report->ref_name);
if (report->old_oid)
strbuf_addf(&buf, "option old-oid %s\n",
oid_to_hex(report->old_oid));
if (report->new_oid)
strbuf_addf(&buf, "option new-oid %s\n",
oid_to_hex(report->new_oid));
if (report->forced_update)
strbuf_addstr(&buf, "option forced-update\n");
}
}
write_or_die(1, buf.buf, buf.len);
}
strbuf_release(&buf);
}
static int send_pack_config(const char *k, const char *v, void *cb)
{
git_gpg_config(k, v, NULL);
if (!strcmp(k, "push.gpgsign")) {
const char *value;
if (!git_config_get_value("push.gpgsign", &value)) {
switch (git_parse_maybe_bool(value)) {
case 0:
args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
break;
case 1:
args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
break;
default:
if (value && !strcasecmp(value, "if-asked"))
args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
else
return error(_("invalid value for '%s'"), k);
}
}
}
return git_default_config(k, v, cb);
}
int cmd_send_pack(int argc, const char **argv, const char *prefix)
{
struct refspec rs = REFSPEC_INIT_PUSH;
const char *remote_name = NULL;
struct remote *remote = NULL;
const char *dest = NULL;
int fd[2];
struct child_process *conn;
struct oid_array extra_have = OID_ARRAY_INIT;
struct oid_array shallow = OID_ARRAY_INIT;
struct ref *remote_refs, *local_refs;
int ret;
int helper_status = 0;
int send_all = 0;
int verbose = 0;
const char *receivepack = "git-receive-pack";
unsigned dry_run = 0;
unsigned send_mirror = 0;
unsigned force_update = 0;
unsigned quiet = 0;
int push_cert = 0;
struct string_list push_options = STRING_LIST_INIT_NODUP;
unsigned use_thin_pack = 0;
unsigned atomic = 0;
unsigned stateless_rpc = 0;
int flags;
unsigned int reject_reasons;
int progress = -1;
int from_stdin = 0;
struct push_cas_option cas = {0};
int force_if_includes = 0;
struct packet_reader reader;
struct option options[] = {
OPT__VERBOSITY(&verbose),
OPT_STRING(0, "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
OPT_STRING(0, "exec", &receivepack, "receive-pack", N_("receive pack program")),
OPT_STRING(0, "remote", &remote_name, "remote", N_("remote name")),
OPT_BOOL(0, "all", &send_all, N_("push all refs")),
OPT_BOOL('n' , "dry-run", &dry_run, N_("dry run")),
OPT_BOOL(0, "mirror", &send_mirror, N_("mirror all refs")),
OPT_BOOL('f', "force", &force_update, N_("force updates")),
OPT_CALLBACK_F(0, "signed", &push_cert, "(yes|no|if-asked)", N_("GPG sign the push"),
PARSE_OPT_OPTARG, option_parse_push_signed),
OPT_STRING_LIST(0, "push-option", &push_options,
N_("server-specific"),
N_("option to transmit")),
OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
OPT_BOOL(0, "thin", &use_thin_pack, N_("use thin pack")),
OPT_BOOL(0, "atomic", &atomic, N_("request atomic transaction on remote side")),
OPT_BOOL(0, "stateless-rpc", &stateless_rpc, N_("use stateless RPC protocol")),
OPT_BOOL(0, "stdin", &from_stdin, N_("read refs from stdin")),
OPT_BOOL(0, "helper-status", &helper_status, N_("print status from remote helper")),
OPT_CALLBACK_F(0, CAS_OPT_NAME, &cas, N_("<refname>:<expect>"),
N_("require old value of ref to be at this value"),
PARSE_OPT_OPTARG, parseopt_push_cas_option),
OPT_BOOL(0, TRANS_OPT_FORCE_IF_INCLUDES, &force_if_includes,
N_("require remote updates to be integrated locally")),
OPT_END()
};
git_config(send_pack_config, NULL);
argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
if (argc > 0) {
dest = argv[0];
refspec_appendn(&rs, argv + 1, argc - 1);
}
if (!dest)
usage_with_options(send_pack_usage, options);
args.verbose = verbose;
args.dry_run = dry_run;
args.send_mirror = send_mirror;
args.force_update = force_update;
args.quiet = quiet;
args.push_cert = push_cert;
args.progress = progress;
args.use_thin_pack = use_thin_pack;
args.atomic = atomic;
args.stateless_rpc = stateless_rpc;
args.push_options = push_options.nr ? &push_options : NULL;
args.url = dest;
if (from_stdin) {
if (args.stateless_rpc) {
const char *buf;
while ((buf = packet_read_line(0, NULL)))
refspec_append(&rs, buf);
} else {
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, stdin) != EOF)
refspec_append(&rs, line.buf);
strbuf_release(&line);
}
}
/*
* --all and --mirror are incompatible; neither makes sense
* with any refspecs.
*/
if ((rs.nr > 0 && (send_all || args.send_mirror)) ||
(send_all && args.send_mirror))
usage_with_options(send_pack_usage, options);
if (remote_name) {
remote = remote_get(remote_name);
if (!remote_has_url(remote, dest)) {
die("Destination %s is not a uri for %s",
dest, remote_name);
}
}
if (progress == -1)
progress = !args.quiet && isatty(2);
args.progress = progress;
if (args.stateless_rpc) {
conn = NULL;
fd[0] = 0;
fd[1] = 1;
} else {
conn = git_connect(fd, dest, receivepack,
args.verbose ? CONNECT_VERBOSE : 0);
}
packet_reader_init(&reader, fd[0], NULL, 0,
PACKET_READ_CHOMP_NEWLINE |
PACKET_READ_GENTLE_ON_EOF |
PACKET_READ_DIE_ON_ERR_PACKET);
switch (discover_version(&reader)) {
case protocol_v2:
die("support for protocol v2 not implemented yet");
break;
case protocol_v1:
case protocol_v0:
get_remote_heads(&reader, &remote_refs, REF_NORMAL,
&extra_have, &shallow);
break;
case protocol_unknown_version:
BUG("unknown protocol version");
}
local_refs = get_local_heads();
flags = MATCH_REFS_NONE;
if (send_all)
flags |= MATCH_REFS_ALL;
if (args.send_mirror)
flags |= MATCH_REFS_MIRROR;
/* match them up */
if (match_push_refs(local_refs, &remote_refs, &rs, flags))
return -1;
if (!is_empty_cas(&cas))
apply_push_cas(&cas, remote, remote_refs);
if (!is_empty_cas(&cas) && force_if_includes)
cas.use_force_if_includes = 1;
set_ref_status_for_push(remote_refs, args.send_mirror,
args.force_update);
ret = send_pack(&args, fd, conn, remote_refs, &extra_have);
if (helper_status)
print_helper_status(remote_refs);
close(fd[1]);
close(fd[0]);
ret |= finish_connect(conn);
if (!helper_status)
transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
if (!args.dry_run && remote) {
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next)
transport_update_tracking_ref(remote, ref, args.verbose);
}
if (!ret && !transport_refs_pushed(remote_refs))
fprintf(stderr, "Everything up-to-date\n");
return ret;
}