root/builtin/send-pack.c

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DEFINITIONS

This source file includes following definitions.
  1. print_helper_status
  2. send_pack_config
  3. cmd_send_pack

#include "builtin.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 "sha1-array.h"
#include "gpg-interface.h"
#include "gettext.h"

static const char * const send_pack_usage[] = {
        N_("git send-pack [--all | --mirror] [--dry-run] [--force] "
          "[--receive-pack=<git-receive-pack>] [--verbose] [--thin] [--atomic] "
          "[<host>:]<directory> [<ref>...]\n"
          "  --all and explicit <ref> specification are mutually exclusive."),
        NULL,
};

static struct send_pack_args args;

static void print_helper_status(struct ref *ref)
{
        struct strbuf buf = STRBUF_INIT;

        for (; ref; ref = ref->next) {
                const char *msg = NULL;
                const char *res;

                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_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:
                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');

                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_config_maybe_bool("push.gpgsign", 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 0;
}

int cmd_send_pack(int argc, const char **argv, const char *prefix)
{
        int i, nr_refspecs = 0;
        const char **refspecs = NULL;
        const char *remote_name = NULL;
        struct remote *remote = NULL;
        const char *dest = NULL;
        int fd[2];
        struct child_process *conn;
        struct sha1_array extra_have = SHA1_ARRAY_INIT;
        struct sha1_array shallow = SHA1_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;
        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};

        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")),
                { OPTION_CALLBACK,
                  0, "signed", &push_cert, "yes|no|if-asked", N_("GPG sign the push"),
                  PARSE_OPT_OPTARG, option_parse_push_signed },
                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")),
                { OPTION_CALLBACK,
                  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_END()
        };

        git_config(send_pack_config, NULL);
        argc = parse_options(argc, argv, prefix, options, send_pack_usage, 0);
        if (argc > 0) {
                dest = argv[0];
                refspecs = (const char **)(argv + 1);
                nr_refspecs = 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;

        if (from_stdin) {
                struct argv_array all_refspecs = ARGV_ARRAY_INIT;

                for (i = 0; i < nr_refspecs; i++)
                        argv_array_push(&all_refspecs, refspecs[i]);

                if (args.stateless_rpc) {
                        const char *buf;
                        while ((buf = packet_read_line(0, NULL)))
                                argv_array_push(&all_refspecs, buf);
                } else {
                        struct strbuf line = STRBUF_INIT;
                        while (strbuf_getline(&line, stdin, '\n') != EOF)
                                argv_array_push(&all_refspecs, line.buf);
                        strbuf_release(&line);
                }

                refspecs = all_refspecs.argv;
                nr_refspecs = all_refspecs.argc;
        }

        /*
         * --all and --mirror are incompatible; neither makes sense
         * with any refspecs.
         */
        if ((refspecs && (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);
        }

        get_remote_heads(fd[0], NULL, 0, &remote_refs, REF_NORMAL,
                         &extra_have, &shallow);

        transport_verify_remote_names(nr_refspecs, refspecs);

        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, nr_refspecs, refspecs, flags))
                return -1;

        if (!is_empty_cas(&cas))
                apply_push_cas(&cas, remote, remote_refs);

        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;
}

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