зеркало из https://github.com/microsoft/git.git
transport-helper: implement object-format extensions
Implement the object-format extensions that let us determine the hash algorithm in use when pushing or pulling data. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Родитель
452e35684f
Коммит
8b85ee4f47
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@ -32,7 +32,8 @@ struct helper_data {
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signed_tags : 1,
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check_connectivity : 1,
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no_disconnect_req : 1,
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no_private_update : 1;
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no_private_update : 1,
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object_format : 1;
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/*
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* As an optimization, the transport code may invoke fetch before
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@ -207,6 +208,8 @@ static struct child_process *get_helper(struct transport *transport)
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data->import_marks = xstrdup(arg);
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} else if (starts_with(capname, "no-private-update")) {
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data->no_private_update = 1;
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} else if (starts_with(capname, "object-format")) {
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data->object_format = 1;
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} else if (mandatory) {
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die(_("unknown mandatory capability %s; this remote "
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"helper probably needs newer version of Git"),
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@ -1103,6 +1106,12 @@ static struct ref *get_refs_list_using_list(struct transport *transport,
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data->get_refs_list_called = 1;
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helper = get_helper(transport);
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if (data->object_format) {
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write_str_in_full(helper->in, "option object-format\n");
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if (recvline(data, &buf) || strcmp(buf.buf, "ok"))
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exit(128);
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}
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if (data->push && for_push)
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write_str_in_full(helper->in, "list for-push\n");
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else
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@ -1115,6 +1124,17 @@ static struct ref *get_refs_list_using_list(struct transport *transport,
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if (!*buf.buf)
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break;
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else if (buf.buf[0] == ':') {
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const char *value;
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if (skip_prefix(buf.buf, ":object-format ", &value)) {
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int algo = hash_algo_by_name(value);
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if (algo == GIT_HASH_UNKNOWN)
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die(_("unsupported object format '%s'"),
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value);
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transport->hash_algo = &hash_algos[algo];
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}
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continue;
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}
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eov = strchr(buf.buf, ' ');
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if (!eov)
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@ -1127,7 +1147,7 @@ static struct ref *get_refs_list_using_list(struct transport *transport,
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if (buf.buf[0] == '@')
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(*tail)->symref = xstrdup(buf.buf + 1);
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else if (buf.buf[0] != '?')
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get_oid_hex(buf.buf, &(*tail)->old_oid);
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get_oid_hex_algop(buf.buf, &(*tail)->old_oid, transport->hash_algo);
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if (eon) {
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if (has_attribute(eon + 1, "unchanged")) {
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(*tail)->status |= REF_STATUS_UPTODATE;
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