reset [--mixed]: only write index file once
[gitweb.git] / builtin / send-pack.c
index 7d05064218184b815fe01228a24138c1f9ac7c7f..f849e0a4a041610dc258a9dc56cc8a357cff31b6 100644 (file)
@@ -16,164 +16,6 @@ static const char send_pack_usage[] =
 
 static struct send_pack_args args;
 
-static int feed_object(const unsigned char *sha1, int fd, int negative)
-{
-       char buf[42];
-
-       if (negative && !has_sha1_file(sha1))
-               return 1;
-
-       memcpy(buf + negative, sha1_to_hex(sha1), 40);
-       if (negative)
-               buf[0] = '^';
-       buf[40 + negative] = '\n';
-       return write_or_whine(fd, buf, 41 + negative, "send-pack: send refs");
-}
-
-/*
- * Make a pack stream and spit it out into file descriptor fd
- */
-static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra, struct send_pack_args *args)
-{
-       /*
-        * The child becomes pack-objects --revs; we feed
-        * the revision parameters to it via its stdin and
-        * let its stdout go back to the other end.
-        */
-       const char *argv[] = {
-               "pack-objects",
-               "--all-progress-implied",
-               "--revs",
-               "--stdout",
-               NULL,
-               NULL,
-               NULL,
-               NULL,
-               NULL,
-       };
-       struct child_process po;
-       int i;
-
-       i = 4;
-       if (args->use_thin_pack)
-               argv[i++] = "--thin";
-       if (args->use_ofs_delta)
-               argv[i++] = "--delta-base-offset";
-       if (args->quiet || !args->progress)
-               argv[i++] = "-q";
-       if (args->progress)
-               argv[i++] = "--progress";
-       memset(&po, 0, sizeof(po));
-       po.argv = argv;
-       po.in = -1;
-       po.out = args->stateless_rpc ? -1 : fd;
-       po.git_cmd = 1;
-       if (start_command(&po))
-               die_errno("git pack-objects failed");
-
-       /*
-        * We feed the pack-objects we just spawned with revision
-        * parameters by writing to the pipe.
-        */
-       for (i = 0; i < extra->nr; i++)
-               if (!feed_object(extra->array[i], po.in, 1))
-                       break;
-
-       while (refs) {
-               if (!is_null_sha1(refs->old_sha1) &&
-                   !feed_object(refs->old_sha1, po.in, 1))
-                       break;
-               if (!is_null_sha1(refs->new_sha1) &&
-                   !feed_object(refs->new_sha1, po.in, 0))
-                       break;
-               refs = refs->next;
-       }
-
-       close(po.in);
-
-       if (args->stateless_rpc) {
-               char *buf = xmalloc(LARGE_PACKET_MAX);
-               while (1) {
-                       ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX);
-                       if (n <= 0)
-                               break;
-                       send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX);
-               }
-               free(buf);
-               close(po.out);
-               po.out = -1;
-       }
-
-       if (finish_command(&po))
-               return -1;
-       return 0;
-}
-
-static int receive_status(int in, struct ref *refs)
-{
-       struct ref *hint;
-       char line[1000];
-       int ret = 0;
-       int len = packet_read_line(in, line, sizeof(line));
-       if (len < 10 || memcmp(line, "unpack ", 7))
-               return error("did not receive remote status");
-       if (memcmp(line, "unpack ok\n", 10)) {
-               char *p = line + strlen(line) - 1;
-               if (*p == '\n')
-                       *p = '\0';
-               error("unpack failed: %s", line + 7);
-               ret = -1;
-       }
-       hint = NULL;
-       while (1) {
-               char *refname;
-               char *msg;
-               len = packet_read_line(in, line, sizeof(line));
-               if (!len)
-                       break;
-               if (len < 3 ||
-                   (memcmp(line, "ok ", 3) && memcmp(line, "ng ", 3))) {
-                       fprintf(stderr, "protocol error: %s\n", line);
-                       ret = -1;
-                       break;
-               }
-
-               line[strlen(line)-1] = '\0';
-               refname = line + 3;
-               msg = strchr(refname, ' ');
-               if (msg)
-                       *msg++ = '\0';
-
-               /* first try searching at our hint, falling back to all refs */
-               if (hint)
-                       hint = find_ref_by_name(hint, refname);
-               if (!hint)
-                       hint = find_ref_by_name(refs, refname);
-               if (!hint) {
-                       warning("remote reported status on unknown ref: %s",
-                                       refname);
-                       continue;
-               }
-               if (hint->status != REF_STATUS_EXPECTING_REPORT) {
-                       warning("remote reported status on unexpected ref: %s",
-                                       refname);
-                       continue;
-               }
-
-               if (line[0] == 'o' && line[1] == 'k')
-                       hint->status = REF_STATUS_OK;
-               else {
-                       hint->status = REF_STATUS_REMOTE_REJECT;
-                       ret = -1;
-               }
-               if (msg)
-                       hint->remote_status = xstrdup(msg);
-               /* start our next search from the next ref */
-               hint = hint->next;
-       }
-       return ret;
-}
-
 static void print_helper_status(struct ref *ref)
 {
        struct strbuf buf = STRBUF_INIT;
@@ -202,6 +44,11 @@ static void print_helper_status(struct ref *ref)
                        msg = "non-fast forward";
                        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";
@@ -227,181 +74,6 @@ static void print_helper_status(struct ref *ref)
        strbuf_release(&buf);
 }
 
-static int sideband_demux(int in, int out, void *data)
-{
-       int *fd = data, ret;
-#ifdef NO_PTHREADS
-       close(fd[1]);
-#endif
-       ret = recv_sideband("send-pack", fd[0], out);
-       close(out);
-       return ret;
-}
-
-int send_pack(struct send_pack_args *args,
-             int fd[], struct child_process *conn,
-             struct ref *remote_refs,
-             struct extra_have_objects *extra_have)
-{
-       int in = fd[0];
-       int out = fd[1];
-       struct strbuf req_buf = STRBUF_INIT;
-       struct ref *ref;
-       int new_refs;
-       int allow_deleting_refs = 0;
-       int status_report = 0;
-       int use_sideband = 0;
-       int quiet_supported = 0;
-       int agent_supported = 0;
-       unsigned cmds_sent = 0;
-       int ret;
-       struct async demux;
-
-       /* Does the other end support the reporting? */
-       if (server_supports("report-status"))
-               status_report = 1;
-       if (server_supports("delete-refs"))
-               allow_deleting_refs = 1;
-       if (server_supports("ofs-delta"))
-               args->use_ofs_delta = 1;
-       if (server_supports("side-band-64k"))
-               use_sideband = 1;
-       if (server_supports("quiet"))
-               quiet_supported = 1;
-       if (server_supports("agent"))
-               agent_supported = 1;
-
-       if (!remote_refs) {
-               fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
-                       "Perhaps you should specify a branch such as 'master'.\n");
-               return 0;
-       }
-
-       /*
-        * Finally, tell the other end!
-        */
-       new_refs = 0;
-       for (ref = remote_refs; ref; ref = ref->next) {
-               if (!ref->peer_ref && !args->send_mirror)
-                       continue;
-
-               /* Check for statuses set by set_ref_status_for_push() */
-               switch (ref->status) {
-               case REF_STATUS_REJECT_NONFASTFORWARD:
-               case REF_STATUS_UPTODATE:
-                       continue;
-               default:
-                       ; /* do nothing */
-               }
-
-               if (ref->deletion && !allow_deleting_refs) {
-                       ref->status = REF_STATUS_REJECT_NODELETE;
-                       continue;
-               }
-
-               if (!ref->deletion)
-                       new_refs++;
-
-               if (args->dry_run) {
-                       ref->status = REF_STATUS_OK;
-               } else {
-                       char *old_hex = sha1_to_hex(ref->old_sha1);
-                       char *new_hex = sha1_to_hex(ref->new_sha1);
-                       int quiet = quiet_supported && (args->quiet || !args->progress);
-
-                       if (!cmds_sent && (status_report || use_sideband ||
-                                          quiet || agent_supported)) {
-                               packet_buf_write(&req_buf,
-                                                "%s %s %s%c%s%s%s%s%s",
-                                                old_hex, new_hex, ref->name, 0,
-                                                status_report ? " report-status" : "",
-                                                use_sideband ? " side-band-64k" : "",
-                                                quiet ? " quiet" : "",
-                                                agent_supported ? " agent=" : "",
-                                                agent_supported ? git_user_agent_sanitized() : ""
-                                               );
-                       }
-                       else
-                               packet_buf_write(&req_buf, "%s %s %s",
-                                                old_hex, new_hex, ref->name);
-                       ref->status = status_report ?
-                               REF_STATUS_EXPECTING_REPORT :
-                               REF_STATUS_OK;
-                       cmds_sent++;
-               }
-       }
-
-       if (args->stateless_rpc) {
-               if (!args->dry_run && cmds_sent) {
-                       packet_buf_flush(&req_buf);
-                       send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX);
-               }
-       } else {
-               safe_write(out, req_buf.buf, req_buf.len);
-               packet_flush(out);
-       }
-       strbuf_release(&req_buf);
-
-       if (use_sideband && cmds_sent) {
-               memset(&demux, 0, sizeof(demux));
-               demux.proc = sideband_demux;
-               demux.data = fd;
-               demux.out = -1;
-               if (start_async(&demux))
-                       die("send-pack: unable to fork off sideband demultiplexer");
-               in = demux.out;
-       }
-
-       if (new_refs && cmds_sent) {
-               if (pack_objects(out, remote_refs, extra_have, args) < 0) {
-                       for (ref = remote_refs; ref; ref = ref->next)
-                               ref->status = REF_STATUS_NONE;
-                       if (args->stateless_rpc)
-                               close(out);
-                       if (git_connection_is_socket(conn))
-                               shutdown(fd[0], SHUT_WR);
-                       if (use_sideband)
-                               finish_async(&demux);
-                       return -1;
-               }
-       }
-       if (args->stateless_rpc && cmds_sent)
-               packet_flush(out);
-
-       if (status_report && cmds_sent)
-               ret = receive_status(in, remote_refs);
-       else
-               ret = 0;
-       if (args->stateless_rpc)
-               packet_flush(out);
-
-       if (use_sideband && cmds_sent) {
-               if (finish_async(&demux)) {
-                       error("error in sideband demultiplexer");
-                       ret = -1;
-               }
-               close(demux.out);
-       }
-
-       if (ret < 0)
-               return ret;
-
-       if (args->porcelain)
-               return 0;
-
-       for (ref = remote_refs; ref; ref = ref->next) {
-               switch (ref->status) {
-               case REF_STATUS_NONE:
-               case REF_STATUS_UPTODATE:
-               case REF_STATUS_OK:
-                       break;
-               default:
-                       return -1;
-               }
-       }
-       return 0;
-}
-
 int cmd_send_pack(int argc, const char **argv, const char *prefix)
 {
        int i, nr_refspecs = 0;
@@ -418,7 +90,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
        int send_all = 0;
        const char *receivepack = "git-receive-pack";
        int flags;
-       int nonfastforward = 0;
+       unsigned int reject_reasons;
        int progress = -1;
 
        argv++;
@@ -556,7 +228,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
        ret |= finish_connect(conn);
 
        if (!helper_status)
-               transport_print_push_status(dest, remote_refs, args.verbose, 0, &nonfastforward);
+               transport_print_push_status(dest, remote_refs, args.verbose, 0, &reject_reasons);
 
        if (!args.dry_run && remote) {
                struct ref *ref;