diff options
Diffstat (limited to 'third_party/git/send-pack.c')
| -rw-r--r-- | third_party/git/send-pack.c | 229 |
1 files changed, 141 insertions, 88 deletions
diff --git a/third_party/git/send-pack.c b/third_party/git/send-pack.c index 6dc16c321163..c9698070fca1 100644 --- a/third_party/git/send-pack.c +++ b/third_party/git/send-pack.c @@ -12,9 +12,10 @@ #include "quote.h" #include "transport.h" #include "version.h" -#include "sha1-array.h" +#include "oid-array.h" #include "gpg-interface.h" #include "cache.h" +#include "shallow.h" int option_parse_push_signed(const struct option *opt, const char *arg, int unset) @@ -40,7 +41,10 @@ int option_parse_push_signed(const struct option *opt, static void feed_object(const struct object_id *oid, FILE *fh, int negative) { - if (negative && !has_object_file(oid)) + if (negative && + !has_object_file_with_flags(oid, + OBJECT_INFO_SKIP_FETCH_OBJECT | + OBJECT_INFO_QUICK)) return; if (negative) @@ -64,20 +68,20 @@ static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struc int i; int rc; - argv_array_push(&po.args, "pack-objects"); - argv_array_push(&po.args, "--all-progress-implied"); - argv_array_push(&po.args, "--revs"); - argv_array_push(&po.args, "--stdout"); + strvec_push(&po.args, "pack-objects"); + strvec_push(&po.args, "--all-progress-implied"); + strvec_push(&po.args, "--revs"); + strvec_push(&po.args, "--stdout"); if (args->use_thin_pack) - argv_array_push(&po.args, "--thin"); + strvec_push(&po.args, "--thin"); if (args->use_ofs_delta) - argv_array_push(&po.args, "--delta-base-offset"); + strvec_push(&po.args, "--delta-base-offset"); if (args->quiet || !args->progress) - argv_array_push(&po.args, "-q"); + strvec_push(&po.args, "-q"); if (args->progress) - argv_array_push(&po.args, "--progress"); + strvec_push(&po.args, "--progress"); if (is_repository_shallow(the_repository)) - argv_array_push(&po.args, "--shallow"); + strvec_push(&po.args, "--shallow"); po.in = -1; po.out = args->stateless_rpc ? -1 : fd; po.git_cmd = 1; @@ -150,25 +154,79 @@ static int receive_status(struct packet_reader *reader, struct ref *refs) { struct ref *hint; int ret; + struct ref_push_report *report = NULL; + int new_report = 0; + int once = 0; hint = NULL; ret = receive_unpack_status(reader); while (1) { + struct object_id old_oid, new_oid; + const char *head; const char *refname; - char *msg; + char *p; if (packet_reader_read(reader) != PACKET_READ_NORMAL) break; - if (!starts_with(reader->line, "ok ") && !starts_with(reader->line, "ng ")) { - error("invalid ref status from remote: %s", reader->line); + head = reader->line; + p = strchr(head, ' '); + if (!p) { + error("invalid status line from remote: %s", reader->line); ret = -1; break; } + *p++ = '\0'; - refname = reader->line + 3; - msg = strchr(refname, ' '); - if (msg) - *msg++ = '\0'; + if (!strcmp(head, "option")) { + const char *key, *val; + if (!hint || !(report || new_report)) { + if (!once++) + error("'option' without a matching 'ok/ng' directive"); + ret = -1; + continue; + } + if (new_report) { + if (!hint->report) { + hint->report = xcalloc(1, sizeof(struct ref_push_report)); + report = hint->report; + } else { + report = hint->report; + while (report->next) + report = report->next; + report->next = xcalloc(1, sizeof(struct ref_push_report)); + report = report->next; + } + new_report = 0; + } + key = p; + p = strchr(key, ' '); + if (p) + *p++ = '\0'; + val = p; + if (!strcmp(key, "refname")) + report->ref_name = xstrdup_or_null(val); + else if (!strcmp(key, "old-oid") && val && + !parse_oid_hex(val, &old_oid, &val)) + report->old_oid = oiddup(&old_oid); + else if (!strcmp(key, "new-oid") && val && + !parse_oid_hex(val, &new_oid, &val)) + report->new_oid = oiddup(&new_oid); + else if (!strcmp(key, "forced-update")) + report->forced_update = 1; + continue; + } + + report = NULL; + new_report = 0; + if (strcmp(head, "ok") && strcmp(head, "ng")) { + error("invalid ref status from remote: %s", head); + ret = -1; + break; + } + refname = p; + p = strchr(refname, ' '); + if (p) + *p++ = '\0'; /* first try searching at our hint, falling back to all refs */ if (hint) hint = find_ref_by_name(hint, refname); @@ -176,24 +234,27 @@ static int receive_status(struct packet_reader *reader, struct ref *refs) hint = find_ref_by_name(refs, refname); if (!hint) { warning("remote reported status on unknown ref: %s", - refname); + refname); continue; } - if (hint->status != REF_STATUS_EXPECTING_REPORT) { + if (hint->status != REF_STATUS_EXPECTING_REPORT && + hint->status != REF_STATUS_OK && + hint->status != REF_STATUS_REMOTE_REJECT) { warning("remote reported status on unexpected ref: %s", - refname); + refname); continue; } - - if (reader->line[0] == 'o' && reader->line[1] == 'k') - hint->status = REF_STATUS_OK; - else { + if (!strcmp(head, "ng")) { hint->status = REF_STATUS_REMOTE_REJECT; - ret = -1; + if (p) + hint->remote_status = xstrdup(p); + else + hint->remote_status = "failed"; + } else { + hint->status = REF_STATUS_OK; + hint->remote_status = xstrdup_or_null(p); + new_report = 1; } - hint->remote_status = xstrdup_or_null(msg); - /* start our next search from the next ref */ - hint = hint->next; } return ret; } @@ -242,7 +303,12 @@ static int check_to_send_update(const struct ref *ref, const struct send_pack_ar return CHECK_REF_STATUS_REJECTED; case REF_STATUS_UPTODATE: return CHECK_REF_UPTODATE; + default: + case REF_STATUS_EXPECTING_REPORT: + /* already passed checks on the local side */ + case REF_STATUS_OK: + /* of course this is OK */ return 0; } } @@ -319,29 +385,6 @@ free_return: return update_seen; } - -static int atomic_push_failure(struct send_pack_args *args, - struct ref *remote_refs, - struct ref *failing_ref) -{ - struct ref *ref; - /* Mark other refs as failed */ - for (ref = remote_refs; ref; ref = ref->next) { - if (!ref->peer_ref && !args->send_mirror) - continue; - - switch (ref->status) { - case REF_STATUS_EXPECTING_REPORT: - ref->status = REF_STATUS_ATOMIC_PUSH_FAILED; - continue; - default: - break; /* do nothing */ - } - } - return error("atomic push failed for ref %s. status: %d\n", - failing_ref->name, failing_ref->status); -} - #define NONCE_LEN_LIMIT 256 static void reject_invalid_nonce(const char *nonce, int len) @@ -384,6 +427,7 @@ int send_pack(struct send_pack_args *args, int atomic_supported = 0; int use_push_options = 0; int push_options_supported = 0; + int object_format_supported = 0; unsigned cmds_sent = 0; int ret; struct async demux; @@ -391,7 +435,9 @@ int send_pack(struct send_pack_args *args, struct packet_reader reader; /* Does the other end support the reporting? */ - if (server_supports("report-status")) + if (server_supports("report-status-v2")) + status_report = 2; + else if (server_supports("report-status")) status_report = 1; if (server_supports("delete-refs")) allow_deleting_refs = 1; @@ -410,6 +456,9 @@ int send_pack(struct send_pack_args *args, if (server_supports("push-options")) push_options_supported = 1; + if (!server_supports_hash(the_hash_algo->name, &object_format_supported)) + die(_("the receiving end does not support this repository's hash algorithm")); + if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { int len; push_cert_nonce = server_feature_value("push-cert", &len); @@ -427,7 +476,7 @@ int send_pack(struct send_pack_args *args, 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"); + "Perhaps you should specify a branch.\n"); return 0; } if (args->atomic && !atomic_supported) @@ -440,8 +489,10 @@ int send_pack(struct send_pack_args *args, use_push_options = push_options_supported && args->push_options; - if (status_report) + if (status_report == 1) strbuf_addstr(&cap_buf, " report-status"); + else if (status_report == 2) + strbuf_addstr(&cap_buf, " report-status-v2"); if (use_sideband) strbuf_addstr(&cap_buf, " side-band-64k"); if (quiet_supported && (args->quiet || !args->progress)) @@ -450,6 +501,8 @@ int send_pack(struct send_pack_args *args, strbuf_addstr(&cap_buf, " atomic"); if (use_push_options) strbuf_addstr(&cap_buf, " push-options"); + if (object_format_supported) + strbuf_addf(&cap_buf, " object-format=%s", the_hash_algo->name); if (agent_supported) strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); @@ -462,13 +515,6 @@ int send_pack(struct send_pack_args *args, if (ref->deletion && !allow_deleting_refs) ref->status = REF_STATUS_REJECT_NODELETE; - if (!args->dry_run) - advertise_shallow_grafts_buf(&req_buf); - - if (!args->dry_run && push_cert_nonce) - cmds_sent = generate_push_cert(&req_buf, remote_refs, args, - cap_buf.buf, push_cert_nonce); - /* * Clear the status for each ref and see if we need to send * the pack data. @@ -486,7 +532,10 @@ int send_pack(struct send_pack_args *args, if (use_atomic) { strbuf_release(&req_buf); strbuf_release(&cap_buf); - return atomic_push_failure(args, remote_refs, ref); + reject_atomic_push(remote_refs, args->send_mirror); + error("atomic push failed for ref %s. status: %d\n", + ref->name, ref->status); + return args->porcelain ? 0 : -1; } /* else fallthrough */ default: @@ -501,31 +550,35 @@ int send_pack(struct send_pack_args *args, ref->status = REF_STATUS_EXPECTING_REPORT; } + if (!args->dry_run) + advertise_shallow_grafts_buf(&req_buf); + /* * Finally, tell the other end! */ - for (ref = remote_refs; ref; ref = ref->next) { - char *old_hex, *new_hex; - - if (args->dry_run || push_cert_nonce) - continue; - - if (check_to_send_update(ref, args) < 0) - continue; - - 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", - old_hex, new_hex, ref->name, 0, - cap_buf.buf); - cmds_sent = 1; - } else { - packet_buf_write(&req_buf, "%s %s %s", - old_hex, new_hex, ref->name); + if (!args->dry_run && push_cert_nonce) + cmds_sent = generate_push_cert(&req_buf, remote_refs, args, + cap_buf.buf, push_cert_nonce); + else if (!args->dry_run) + for (ref = remote_refs; ref; ref = ref->next) { + char *old_hex, *new_hex; + + if (check_to_send_update(ref, args) < 0) + continue; + + 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", + old_hex, new_hex, ref->name, 0, + cap_buf.buf); + cmds_sent = 1; + } else { + packet_buf_write(&req_buf, "%s %s %s", + old_hex, new_hex, ref->name); + } } - } if (use_push_options) { struct string_list_item *item; @@ -564,8 +617,6 @@ int send_pack(struct send_pack_args *args, if (need_pack_data && 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)) @@ -573,10 +624,12 @@ int send_pack(struct send_pack_args *args, /* * Do not even bother with the return value; we know we - * are failing, and just want the error() side effects. + * are failing, and just want the error() side effects, + * as well as marking refs with their remote status (if + * we get one). */ if (status_report) - receive_unpack_status(&reader); + receive_status(&reader, remote_refs); if (use_sideband) { close(demux.out); |