diff options
Diffstat (limited to 'send-pack.c')
-rw-r--r-- | send-pack.c | 118 |
1 files changed, 88 insertions, 30 deletions
diff --git a/send-pack.c b/send-pack.c index 2a64fec949..90f2ac51a7 100644 --- a/send-pack.c +++ b/send-pack.c @@ -12,19 +12,39 @@ #include "version.h" #include "sha1-array.h" #include "gpg-interface.h" +#include "cache.h" -static int feed_object(const unsigned char *sha1, int fd, int negative) +int option_parse_push_signed(const struct option *opt, + const char *arg, int unset) { - char buf[42]; + if (unset) { + *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; + return 0; + } + switch (git_parse_maybe_bool(arg)) { + case 1: + *(int *)(opt->value) = SEND_PACK_PUSH_CERT_ALWAYS; + return 0; + case 0: + *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; + return 0; + } + if (!strcasecmp("if-asked", arg)) { + *(int *)(opt->value) = SEND_PACK_PUSH_CERT_IF_ASKED; + return 0; + } + die("bad %s argument: %s", opt->long_name, arg); +} +static void feed_object(const unsigned char *sha1, FILE *fh, int negative) +{ if (negative && !has_sha1_file(sha1)) - return 1; + return; - 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"); + putc('^', fh); + fputs(sha1_to_hex(sha1), fh); + putc('\n', fh); } /* @@ -50,6 +70,7 @@ static int pack_objects(int fd, struct ref *refs, struct sha1_array *extra, stru NULL, }; struct child_process po = CHILD_PROCESS_INIT; + FILE *po_in; int i; i = 4; @@ -74,21 +95,22 @@ static int pack_objects(int fd, struct ref *refs, struct sha1_array *extra, stru * We feed the pack-objects we just spawned with revision * parameters by writing to the pipe. */ + po_in = xfdopen(po.in, "w"); for (i = 0; i < extra->nr; i++) - if (!feed_object(extra->sha1[i], po.in, 1)) - break; + feed_object(extra->sha1[i], po_in, 1); 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; + if (!is_null_oid(&refs->old_oid)) + feed_object(refs->old_oid.hash, po_in, 1); + if (!is_null_oid(&refs->new_oid)) + feed_object(refs->new_oid.hash, po_in, 0); refs = refs->next; } - close(po.in); + fflush(po_in); + if (ferror(po_in)) + die_errno("error writing to pack-objects"); + fclose(po_in); if (args->stateless_rpc) { char *buf = xmalloc(LARGE_PACKET_MAX); @@ -238,12 +260,13 @@ static int generate_push_cert(struct strbuf *req_buf, const char *push_cert_nonce) { const struct ref *ref; + struct string_list_item *item; char *signing_key = xstrdup(get_signing_key()); const char *cp, *np; struct strbuf cert = STRBUF_INIT; int update_seen = 0; - strbuf_addf(&cert, "certificate version 0.1\n"); + strbuf_addstr(&cert, "certificate version 0.1\n"); strbuf_addf(&cert, "pusher %s ", signing_key); datestamp(&cert); strbuf_addch(&cert, '\n'); @@ -254,6 +277,9 @@ static int generate_push_cert(struct strbuf *req_buf, } if (push_cert_nonce[0]) strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); + if (args->push_options) + for_each_string_list_item(item, args->push_options) + strbuf_addf(&cert, "push-option %s\n", item->string); strbuf_addstr(&cert, "\n"); for (ref = remote_refs; ref; ref = ref->next) { @@ -261,8 +287,8 @@ static int generate_push_cert(struct strbuf *req_buf, continue; update_seen = 1; strbuf_addf(&cert, "%s %s %s\n", - sha1_to_hex(ref->old_sha1), - sha1_to_hex(ref->new_sha1), + oid_to_hex(&ref->old_oid), + oid_to_hex(&ref->new_oid), ref->name); } if (!update_seen) @@ -348,6 +374,8 @@ int send_pack(struct send_pack_args *args, int agent_supported = 0; int use_atomic = 0; int atomic_supported = 0; + int use_push_options = 0; + int push_options_supported = 0; unsigned cmds_sent = 0; int ret; struct async demux; @@ -370,14 +398,22 @@ int send_pack(struct send_pack_args *args, args->use_thin_pack = 0; if (server_supports("atomic")) atomic_supported = 1; - if (args->push_cert) { - int len; + if (server_supports("push-options")) + push_options_supported = 1; + if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { + int len; push_cert_nonce = server_feature_value("push-cert", &len); - if (!push_cert_nonce) + if (push_cert_nonce) { + reject_invalid_nonce(push_cert_nonce, len); + push_cert_nonce = xmemdupz(push_cert_nonce, len); + } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { die(_("the receiving end does not support --signed push")); - reject_invalid_nonce(push_cert_nonce, len); - push_cert_nonce = xmemdupz(push_cert_nonce, len); + } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { + warning(_("not sending a push certificate since the" + " receiving end does not support --signed" + " push")); + } } if (!remote_refs) { @@ -390,6 +426,11 @@ int send_pack(struct send_pack_args *args, use_atomic = atomic_supported && args->atomic; + if (args->push_options && !push_options_supported) + die(_("the receiving end does not support push options")); + + use_push_options = push_options_supported && args->push_options; + if (status_report) strbuf_addstr(&cap_buf, " report-status"); if (use_sideband) @@ -398,6 +439,8 @@ int send_pack(struct send_pack_args *args, strbuf_addstr(&cap_buf, " quiet"); if (use_atomic) strbuf_addstr(&cap_buf, " atomic"); + if (use_push_options) + strbuf_addstr(&cap_buf, " push-options"); if (agent_supported) strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); @@ -413,7 +456,7 @@ int send_pack(struct send_pack_args *args, if (!args->dry_run) advertise_shallow_grafts_buf(&req_buf); - if (!args->dry_run && args->push_cert) + if (!args->dry_run && push_cert_nonce) cmds_sent = generate_push_cert(&req_buf, remote_refs, args, cap_buf.buf, push_cert_nonce); @@ -452,14 +495,14 @@ int send_pack(struct send_pack_args *args, for (ref = remote_refs; ref; ref = ref->next) { char *old_hex, *new_hex; - if (args->dry_run || args->push_cert) + if (args->dry_run || push_cert_nonce) continue; if (check_to_send_update(ref, args) < 0) continue; - old_hex = sha1_to_hex(ref->old_sha1); - new_hex = sha1_to_hex(ref->new_sha1); + old_hex = oid_to_hex(&ref->old_oid); + new_hex = oid_to_hex(&ref->new_oid); if (!cmds_sent) { packet_buf_write(&req_buf, "%s %s %s%c%s", @@ -484,11 +527,24 @@ int send_pack(struct send_pack_args *args, strbuf_release(&req_buf); strbuf_release(&cap_buf); + if (use_push_options) { + struct string_list_item *item; + struct strbuf sb = STRBUF_INIT; + + for_each_string_list_item(item, args->push_options) + packet_buf_write(&sb, "%s", item->string); + + write_or_die(out, sb.buf, sb.len); + packet_flush(out); + strbuf_release(&sb); + } + if (use_sideband && cmds_sent) { memset(&demux, 0, sizeof(demux)); demux.proc = sideband_demux; demux.data = fd; demux.out = -1; + demux.isolate_sigpipe = 1; if (start_async(&demux)) die("send-pack: unable to fork off sideband demultiplexer"); in = demux.out; @@ -502,8 +558,10 @@ int send_pack(struct send_pack_args *args, close(out); if (git_connection_is_socket(conn)) shutdown(fd[0], SHUT_WR); - if (use_sideband) + if (use_sideband) { + close(demux.out); finish_async(&demux); + } fd[1] = -1; return -1; } @@ -522,11 +580,11 @@ int send_pack(struct send_pack_args *args, packet_flush(out); if (use_sideband && cmds_sent) { + close(demux.out); if (finish_async(&demux)) { error("error in sideband demultiplexer"); ret = -1; } - close(demux.out); } if (ret < 0) |