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-rw-r--r--third_party/git/remote-curl.c1556
1 files changed, 0 insertions, 1556 deletions
diff --git a/third_party/git/remote-curl.c b/third_party/git/remote-curl.c
deleted file mode 100644
index 32cc4a0c553b..000000000000
--- a/third_party/git/remote-curl.c
+++ /dev/null
@@ -1,1556 +0,0 @@
-#include "cache.h"
-#include "config.h"
-#include "remote.h"
-#include "connect.h"
-#include "strbuf.h"
-#include "walker.h"
-#include "http.h"
-#include "exec-cmd.h"
-#include "run-command.h"
-#include "pkt-line.h"
-#include "string-list.h"
-#include "sideband.h"
-#include "strvec.h"
-#include "credential.h"
-#include "oid-array.h"
-#include "send-pack.h"
-#include "protocol.h"
-#include "quote.h"
-#include "transport.h"
-
-static struct remote *remote;
-/* always ends with a trailing slash */
-static struct strbuf url = STRBUF_INIT;
-
-struct options {
-	int verbosity;
-	unsigned long depth;
-	char *deepen_since;
-	struct string_list deepen_not;
-	struct string_list push_options;
-	char *filter;
-	unsigned progress : 1,
-		check_self_contained_and_connected : 1,
-		cloning : 1,
-		update_shallow : 1,
-		followtags : 1,
-		dry_run : 1,
-		thin : 1,
-		/* One of the SEND_PACK_PUSH_CERT_* constants. */
-		push_cert : 2,
-		deepen_relative : 1,
-
-		/* see documentation of corresponding flag in fetch-pack.h */
-		from_promisor : 1,
-
-		atomic : 1,
-		object_format : 1;
-	const struct git_hash_algo *hash_algo;
-};
-static struct options options;
-static struct string_list cas_options = STRING_LIST_INIT_DUP;
-
-static int set_option(const char *name, const char *value)
-{
-	if (!strcmp(name, "verbosity")) {
-		char *end;
-		int v = strtol(value, &end, 10);
-		if (value == end || *end)
-			return -1;
-		options.verbosity = v;
-		return 0;
-	}
-	else if (!strcmp(name, "progress")) {
-		if (!strcmp(value, "true"))
-			options.progress = 1;
-		else if (!strcmp(value, "false"))
-			options.progress = 0;
-		else
-			return -1;
-		return 0;
-	}
-	else if (!strcmp(name, "depth")) {
-		char *end;
-		unsigned long v = strtoul(value, &end, 10);
-		if (value == end || *end)
-			return -1;
-		options.depth = v;
-		return 0;
-	}
-	else if (!strcmp(name, "deepen-since")) {
-		options.deepen_since = xstrdup(value);
-		return 0;
-	}
-	else if (!strcmp(name, "deepen-not")) {
-		string_list_append(&options.deepen_not, value);
-		return 0;
-	}
-	else if (!strcmp(name, "deepen-relative")) {
-		if (!strcmp(value, "true"))
-			options.deepen_relative = 1;
-		else if (!strcmp(value, "false"))
-			options.deepen_relative = 0;
-		else
-			return -1;
-		return 0;
-	}
-	else if (!strcmp(name, "followtags")) {
-		if (!strcmp(value, "true"))
-			options.followtags = 1;
-		else if (!strcmp(value, "false"))
-			options.followtags = 0;
-		else
-			return -1;
-		return 0;
-	}
-	else if (!strcmp(name, "dry-run")) {
-		if (!strcmp(value, "true"))
-			options.dry_run = 1;
-		else if (!strcmp(value, "false"))
-			options.dry_run = 0;
-		else
-			return -1;
-		return 0;
-	}
-	else if (!strcmp(name, "check-connectivity")) {
-		if (!strcmp(value, "true"))
-			options.check_self_contained_and_connected = 1;
-		else if (!strcmp(value, "false"))
-			options.check_self_contained_and_connected = 0;
-		else
-			return -1;
-		return 0;
-	}
-	else if (!strcmp(name, "cas")) {
-		struct strbuf val = STRBUF_INIT;
-		strbuf_addstr(&val, "--force-with-lease=");
-		if (*value != '"')
-			strbuf_addstr(&val, value);
-		else if (unquote_c_style(&val, value, NULL))
-			return -1;
-		string_list_append(&cas_options, val.buf);
-		strbuf_release(&val);
-		return 0;
-	} else if (!strcmp(name, "cloning")) {
-		if (!strcmp(value, "true"))
-			options.cloning = 1;
-		else if (!strcmp(value, "false"))
-			options.cloning = 0;
-		else
-			return -1;
-		return 0;
-	} else if (!strcmp(name, "update-shallow")) {
-		if (!strcmp(value, "true"))
-			options.update_shallow = 1;
-		else if (!strcmp(value, "false"))
-			options.update_shallow = 0;
-		else
-			return -1;
-		return 0;
-	} else if (!strcmp(name, "pushcert")) {
-		if (!strcmp(value, "true"))
-			options.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
-		else if (!strcmp(value, "false"))
-			options.push_cert = SEND_PACK_PUSH_CERT_NEVER;
-		else if (!strcmp(value, "if-asked"))
-			options.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
-		else
-			return -1;
-		return 0;
-	} else if (!strcmp(name, "atomic")) {
-		if (!strcmp(value, "true"))
-			options.atomic = 1;
-		else if (!strcmp(value, "false"))
-			options.atomic = 0;
-		else
-			return -1;
-		return 0;
-	} else if (!strcmp(name, "push-option")) {
-		if (*value != '"')
-			string_list_append(&options.push_options, value);
-		else {
-			struct strbuf unquoted = STRBUF_INIT;
-			if (unquote_c_style(&unquoted, value, NULL) < 0)
-				die(_("invalid quoting in push-option value: '%s'"), value);
-			string_list_append_nodup(&options.push_options,
-						 strbuf_detach(&unquoted, NULL));
-		}
-		return 0;
-
-#if LIBCURL_VERSION_NUM >= 0x070a08
-	} else if (!strcmp(name, "family")) {
-		if (!strcmp(value, "ipv4"))
-			git_curl_ipresolve = CURL_IPRESOLVE_V4;
-		else if (!strcmp(value, "ipv6"))
-			git_curl_ipresolve = CURL_IPRESOLVE_V6;
-		else if (!strcmp(value, "all"))
-			git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
-		else
-			return -1;
-		return 0;
-#endif /* LIBCURL_VERSION_NUM >= 0x070a08 */
-	} else if (!strcmp(name, "from-promisor")) {
-		options.from_promisor = 1;
-		return 0;
-	} else if (!strcmp(name, "filter")) {
-		options.filter = xstrdup(value);
-		return 0;
-	} else if (!strcmp(name, "object-format")) {
-		int algo;
-		options.object_format = 1;
-		if (strcmp(value, "true")) {
-			algo = hash_algo_by_name(value);
-			if (algo == GIT_HASH_UNKNOWN)
-				die("unknown object format '%s'", value);
-			options.hash_algo = &hash_algos[algo];
-		}
-		return 0;
-	} else {
-		return 1 /* unsupported */;
-	}
-}
-
-struct discovery {
-	char *service;
-	char *buf_alloc;
-	char *buf;
-	size_t len;
-	struct ref *refs;
-	struct oid_array shallow;
-	enum protocol_version version;
-	unsigned proto_git : 1;
-};
-static struct discovery *last_discovery;
-
-static struct ref *parse_git_refs(struct discovery *heads, int for_push)
-{
-	struct ref *list = NULL;
-	struct packet_reader reader;
-
-	packet_reader_init(&reader, -1, heads->buf, heads->len,
-			   PACKET_READ_CHOMP_NEWLINE |
-			   PACKET_READ_GENTLE_ON_EOF |
-			   PACKET_READ_DIE_ON_ERR_PACKET);
-
-	heads->version = discover_version(&reader);
-	switch (heads->version) {
-	case protocol_v2:
-		/*
-		 * Do nothing.  This isn't a list of refs but rather a
-		 * capability advertisement.  Client would have run
-		 * 'stateless-connect' so we'll dump this capability listing
-		 * and let them request the refs themselves.
-		 */
-		break;
-	case protocol_v1:
-	case protocol_v0:
-		get_remote_heads(&reader, &list, for_push ? REF_NORMAL : 0,
-				 NULL, &heads->shallow);
-		options.hash_algo = reader.hash_algo;
-		break;
-	case protocol_unknown_version:
-		BUG("unknown protocol version");
-	}
-
-	return list;
-}
-
-static const struct git_hash_algo *detect_hash_algo(struct discovery *heads)
-{
-	const char *p = memchr(heads->buf, '\t', heads->len);
-	int algo;
-	if (!p)
-		return the_hash_algo;
-
-	algo = hash_algo_by_length((p - heads->buf) / 2);
-	if (algo == GIT_HASH_UNKNOWN)
-		return NULL;
-	return &hash_algos[algo];
-}
-
-static struct ref *parse_info_refs(struct discovery *heads)
-{
-	char *data, *start, *mid;
-	char *ref_name;
-	int i = 0;
-
-	struct ref *refs = NULL;
-	struct ref *ref = NULL;
-	struct ref *last_ref = NULL;
-
-	options.hash_algo = detect_hash_algo(heads);
-	if (!options.hash_algo)
-		die("%sinfo/refs not valid: could not determine hash algorithm; "
-		    "is this a git repository?",
-		    transport_anonymize_url(url.buf));
-
-	data = heads->buf;
-	start = NULL;
-	mid = data;
-	while (i < heads->len) {
-		if (!start) {
-			start = &data[i];
-		}
-		if (data[i] == '\t')
-			mid = &data[i];
-		if (data[i] == '\n') {
-			if (mid - start != options.hash_algo->hexsz)
-				die(_("%sinfo/refs not valid: is this a git repository?"),
-				    transport_anonymize_url(url.buf));
-			data[i] = 0;
-			ref_name = mid + 1;
-			ref = alloc_ref(ref_name);
-			get_oid_hex_algop(start, &ref->old_oid, options.hash_algo);
-			if (!refs)
-				refs = ref;
-			if (last_ref)
-				last_ref->next = ref;
-			last_ref = ref;
-			start = NULL;
-		}
-		i++;
-	}
-
-	ref = alloc_ref("HEAD");
-	if (!http_fetch_ref(url.buf, ref) &&
-	    !resolve_remote_symref(ref, refs)) {
-		ref->next = refs;
-		refs = ref;
-	} else {
-		free(ref);
-	}
-
-	return refs;
-}
-
-static void free_discovery(struct discovery *d)
-{
-	if (d) {
-		if (d == last_discovery)
-			last_discovery = NULL;
-		free(d->shallow.oid);
-		free(d->buf_alloc);
-		free_refs(d->refs);
-		free(d->service);
-		free(d);
-	}
-}
-
-static int show_http_message(struct strbuf *type, struct strbuf *charset,
-			     struct strbuf *msg)
-{
-	const char *p, *eol;
-
-	/*
-	 * We only show text/plain parts, as other types are likely
-	 * to be ugly to look at on the user's terminal.
-	 */
-	if (strcmp(type->buf, "text/plain"))
-		return -1;
-	if (charset->len)
-		strbuf_reencode(msg, charset->buf, get_log_output_encoding());
-
-	strbuf_trim(msg);
-	if (!msg->len)
-		return -1;
-
-	p = msg->buf;
-	do {
-		eol = strchrnul(p, '\n');
-		fprintf(stderr, "remote: %.*s\n", (int)(eol - p), p);
-		p = eol + 1;
-	} while(*eol);
-	return 0;
-}
-
-static int get_protocol_http_header(enum protocol_version version,
-				    struct strbuf *header)
-{
-	if (version > 0) {
-		strbuf_addf(header, GIT_PROTOCOL_HEADER ": version=%d",
-			    version);
-
-		return 1;
-	}
-
-	return 0;
-}
-
-static void check_smart_http(struct discovery *d, const char *service,
-			     struct strbuf *type)
-{
-	const char *p;
-	struct packet_reader reader;
-
-	/*
-	 * If we don't see x-$service-advertisement, then it's not smart-http.
-	 * But once we do, we commit to it and assume any other protocol
-	 * violations are hard errors.
-	 */
-	if (!skip_prefix(type->buf, "application/x-", &p) ||
-	    !skip_prefix(p, service, &p) ||
-	    strcmp(p, "-advertisement"))
-		return;
-
-	packet_reader_init(&reader, -1, d->buf, d->len,
-			   PACKET_READ_CHOMP_NEWLINE |
-			   PACKET_READ_DIE_ON_ERR_PACKET);
-	if (packet_reader_read(&reader) != PACKET_READ_NORMAL)
-		die(_("invalid server response; expected service, got flush packet"));
-
-	if (skip_prefix(reader.line, "# service=", &p) && !strcmp(p, service)) {
-		/*
-		 * The header can include additional metadata lines, up
-		 * until a packet flush marker.  Ignore these now, but
-		 * in the future we might start to scan them.
-		 */
-		for (;;) {
-			packet_reader_read(&reader);
-			if (reader.pktlen <= 0) {
-				break;
-			}
-		}
-
-		/*
-		 * v0 smart http; callers expect us to soak up the
-		 * service and header packets
-		 */
-		d->buf = reader.src_buffer;
-		d->len = reader.src_len;
-		d->proto_git = 1;
-
-	} else if (!strcmp(reader.line, "version 2")) {
-		/*
-		 * v2 smart http; do not consume version packet, which will
-		 * be handled elsewhere.
-		 */
-		d->proto_git = 1;
-
-	} else {
-		die(_("invalid server response; got '%s'"), reader.line);
-	}
-}
-
-static struct discovery *discover_refs(const char *service, int for_push)
-{
-	struct strbuf type = STRBUF_INIT;
-	struct strbuf charset = STRBUF_INIT;
-	struct strbuf buffer = STRBUF_INIT;
-	struct strbuf refs_url = STRBUF_INIT;
-	struct strbuf effective_url = STRBUF_INIT;
-	struct strbuf protocol_header = STRBUF_INIT;
-	struct string_list extra_headers = STRING_LIST_INIT_DUP;
-	struct discovery *last = last_discovery;
-	int http_ret, maybe_smart = 0;
-	struct http_get_options http_options;
-	enum protocol_version version = get_protocol_version_config();
-
-	if (last && !strcmp(service, last->service))
-		return last;
-	free_discovery(last);
-
-	strbuf_addf(&refs_url, "%sinfo/refs", url.buf);
-	if ((starts_with(url.buf, "http://") || starts_with(url.buf, "https://")) &&
-	     git_env_bool("GIT_SMART_HTTP", 1)) {
-		maybe_smart = 1;
-		if (!strchr(url.buf, '?'))
-			strbuf_addch(&refs_url, '?');
-		else
-			strbuf_addch(&refs_url, '&');
-		strbuf_addf(&refs_url, "service=%s", service);
-	}
-
-	/*
-	 * NEEDSWORK: If we are trying to use protocol v2 and we are planning
-	 * to perform a push, then fallback to v0 since the client doesn't know
-	 * how to push yet using v2.
-	 */
-	if (version == protocol_v2 && !strcmp("git-receive-pack", service))
-		version = protocol_v0;
-
-	/* Add the extra Git-Protocol header */
-	if (get_protocol_http_header(version, &protocol_header))
-		string_list_append(&extra_headers, protocol_header.buf);
-
-	memset(&http_options, 0, sizeof(http_options));
-	http_options.content_type = &type;
-	http_options.charset = &charset;
-	http_options.effective_url = &effective_url;
-	http_options.base_url = &url;
-	http_options.extra_headers = &extra_headers;
-	http_options.initial_request = 1;
-	http_options.no_cache = 1;
-
-	http_ret = http_get_strbuf(refs_url.buf, &buffer, &http_options);
-	switch (http_ret) {
-	case HTTP_OK:
-		break;
-	case HTTP_MISSING_TARGET:
-		show_http_message(&type, &charset, &buffer);
-		die(_("repository '%s' not found"),
-		    transport_anonymize_url(url.buf));
-	case HTTP_NOAUTH:
-		show_http_message(&type, &charset, &buffer);
-		die(_("Authentication failed for '%s'"),
-		    transport_anonymize_url(url.buf));
-	default:
-		show_http_message(&type, &charset, &buffer);
-		die(_("unable to access '%s': %s"),
-		    transport_anonymize_url(url.buf), curl_errorstr);
-	}
-
-	if (options.verbosity && !starts_with(refs_url.buf, url.buf)) {
-		char *u = transport_anonymize_url(url.buf);
-		warning(_("redirecting to %s"), u);
-		free(u);
-	}
-
-	last= xcalloc(1, sizeof(*last_discovery));
-	last->service = xstrdup(service);
-	last->buf_alloc = strbuf_detach(&buffer, &last->len);
-	last->buf = last->buf_alloc;
-
-	if (maybe_smart)
-		check_smart_http(last, service, &type);
-
-	if (last->proto_git)
-		last->refs = parse_git_refs(last, for_push);
-	else
-		last->refs = parse_info_refs(last);
-
-	strbuf_release(&refs_url);
-	strbuf_release(&type);
-	strbuf_release(&charset);
-	strbuf_release(&effective_url);
-	strbuf_release(&buffer);
-	strbuf_release(&protocol_header);
-	string_list_clear(&extra_headers, 0);
-	last_discovery = last;
-	return last;
-}
-
-static struct ref *get_refs(int for_push)
-{
-	struct discovery *heads;
-
-	if (for_push)
-		heads = discover_refs("git-receive-pack", for_push);
-	else
-		heads = discover_refs("git-upload-pack", for_push);
-
-	return heads->refs;
-}
-
-static void output_refs(struct ref *refs)
-{
-	struct ref *posn;
-	if (options.object_format && options.hash_algo) {
-		printf(":object-format %s\n", options.hash_algo->name);
-	}
-	for (posn = refs; posn; posn = posn->next) {
-		if (posn->symref)
-			printf("@%s %s\n", posn->symref, posn->name);
-		else
-			printf("%s %s\n", hash_to_hex_algop(posn->old_oid.hash,
-							    options.hash_algo),
-					  posn->name);
-	}
-	printf("\n");
-	fflush(stdout);
-}
-
-struct rpc_state {
-	const char *service_name;
-	char *service_url;
-	char *hdr_content_type;
-	char *hdr_accept;
-	char *protocol_header;
-	char *buf;
-	size_t alloc;
-	size_t len;
-	size_t pos;
-	int in;
-	int out;
-	int any_written;
-	unsigned gzip_request : 1;
-	unsigned initial_buffer : 1;
-
-	/*
-	 * Whenever a pkt-line is read into buf, append the 4 characters
-	 * denoting its length before appending the payload.
-	 */
-	unsigned write_line_lengths : 1;
-
-	/*
-	 * Used by rpc_out; initialize to 0. This is true if a flush has been
-	 * read, but the corresponding line length (if write_line_lengths is
-	 * true) and EOF have not been sent to libcurl. Since each flush marks
-	 * the end of a request, each flush must be completely sent before any
-	 * further reading occurs.
-	 */
-	unsigned flush_read_but_not_sent : 1;
-};
-
-/*
- * Appends the result of reading from rpc->out to the string represented by
- * rpc->buf and rpc->len if there is enough space. Returns 1 if there was
- * enough space, 0 otherwise.
- *
- * If rpc->write_line_lengths is true, appends the line length as a 4-byte
- * hexadecimal string before appending the result described above.
- *
- * Writes the total number of bytes appended into appended.
- */
-static int rpc_read_from_out(struct rpc_state *rpc, int options,
-			     size_t *appended,
-			     enum packet_read_status *status) {
-	size_t left;
-	char *buf;
-	int pktlen_raw;
-
-	if (rpc->write_line_lengths) {
-		left = rpc->alloc - rpc->len - 4;
-		buf = rpc->buf + rpc->len + 4;
-	} else {
-		left = rpc->alloc - rpc->len;
-		buf = rpc->buf + rpc->len;
-	}
-
-	if (left < LARGE_PACKET_MAX)
-		return 0;
-
-	*status = packet_read_with_status(rpc->out, NULL, NULL, buf,
-			left, &pktlen_raw, options);
-	if (*status != PACKET_READ_EOF) {
-		*appended = pktlen_raw + (rpc->write_line_lengths ? 4 : 0);
-		rpc->len += *appended;
-	}
-
-	if (rpc->write_line_lengths) {
-		switch (*status) {
-		case PACKET_READ_EOF:
-			if (!(options & PACKET_READ_GENTLE_ON_EOF))
-				die(_("shouldn't have EOF when not gentle on EOF"));
-			break;
-		case PACKET_READ_NORMAL:
-			set_packet_header(buf - 4, *appended);
-			break;
-		case PACKET_READ_DELIM:
-			memcpy(buf - 4, "0001", 4);
-			break;
-		case PACKET_READ_FLUSH:
-			memcpy(buf - 4, "0000", 4);
-			break;
-		case PACKET_READ_RESPONSE_END:
-			die(_("remote server sent stateless separator"));
-		}
-	}
-
-	return 1;
-}
-
-static size_t rpc_out(void *ptr, size_t eltsize,
-		size_t nmemb, void *buffer_)
-{
-	size_t max = eltsize * nmemb;
-	struct rpc_state *rpc = buffer_;
-	size_t avail = rpc->len - rpc->pos;
-	enum packet_read_status status;
-
-	if (!avail) {
-		rpc->initial_buffer = 0;
-		rpc->len = 0;
-		rpc->pos = 0;
-		if (!rpc->flush_read_but_not_sent) {
-			if (!rpc_read_from_out(rpc, 0, &avail, &status))
-				BUG("The entire rpc->buf should be larger than LARGE_PACKET_MAX");
-			if (status == PACKET_READ_FLUSH)
-				rpc->flush_read_but_not_sent = 1;
-		}
-		/*
-		 * If flush_read_but_not_sent is true, we have already read one
-		 * full request but have not fully sent it + EOF, which is why
-		 * we need to refrain from reading.
-		 */
-	}
-	if (rpc->flush_read_but_not_sent) {
-		if (!avail) {
-			/*
-			 * The line length either does not need to be sent at
-			 * all or has already been completely sent. Now we can
-			 * return 0, indicating EOF, meaning that the flush has
-			 * been fully sent.
-			 */
-			rpc->flush_read_but_not_sent = 0;
-			return 0;
-		}
-		/*
-		 * If avail is non-zero, the line length for the flush still
-		 * hasn't been fully sent. Proceed with sending the line
-		 * length.
-		 */
-	}
-
-	if (max < avail)
-		avail = max;
-	memcpy(ptr, rpc->buf + rpc->pos, avail);
-	rpc->pos += avail;
-	return avail;
-}
-
-#ifndef NO_CURL_IOCTL
-static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp)
-{
-	struct rpc_state *rpc = clientp;
-
-	switch (cmd) {
-	case CURLIOCMD_NOP:
-		return CURLIOE_OK;
-
-	case CURLIOCMD_RESTARTREAD:
-		if (rpc->initial_buffer) {
-			rpc->pos = 0;
-			return CURLIOE_OK;
-		}
-		error(_("unable to rewind rpc post data - try increasing http.postBuffer"));
-		return CURLIOE_FAILRESTART;
-
-	default:
-		return CURLIOE_UNKNOWNCMD;
-	}
-}
-#endif
-
-struct check_pktline_state {
-	char len_buf[4];
-	int len_filled;
-	int remaining;
-};
-
-static void check_pktline(struct check_pktline_state *state, const char *ptr, size_t size)
-{
-	while (size) {
-		if (!state->remaining) {
-			int digits_remaining = 4 - state->len_filled;
-			if (digits_remaining > size)
-				digits_remaining = size;
-			memcpy(&state->len_buf[state->len_filled], ptr, digits_remaining);
-			state->len_filled += digits_remaining;
-			ptr += digits_remaining;
-			size -= digits_remaining;
-
-			if (state->len_filled == 4) {
-				state->remaining = packet_length(state->len_buf);
-				if (state->remaining < 0) {
-					die(_("remote-curl: bad line length character: %.4s"), state->len_buf);
-				} else if (state->remaining == 2) {
-					die(_("remote-curl: unexpected response end packet"));
-				} else if (state->remaining < 4) {
-					state->remaining = 0;
-				} else {
-					state->remaining -= 4;
-				}
-				state->len_filled = 0;
-			}
-		}
-
-		if (state->remaining) {
-			int remaining = state->remaining;
-			if (remaining > size)
-				remaining = size;
-			ptr += remaining;
-			size -= remaining;
-			state->remaining -= remaining;
-		}
-	}
-}
-
-struct rpc_in_data {
-	struct rpc_state *rpc;
-	struct active_request_slot *slot;
-	int check_pktline;
-	struct check_pktline_state pktline_state;
-};
-
-/*
- * A callback for CURLOPT_WRITEFUNCTION. The return value is the bytes consumed
- * from ptr.
- */
-static size_t rpc_in(char *ptr, size_t eltsize,
-		size_t nmemb, void *buffer_)
-{
-	size_t size = eltsize * nmemb;
-	struct rpc_in_data *data = buffer_;
-	long response_code;
-
-	if (curl_easy_getinfo(data->slot->curl, CURLINFO_RESPONSE_CODE,
-			      &response_code) != CURLE_OK)
-		return size;
-	if (response_code >= 300)
-		return size;
-	if (size)
-		data->rpc->any_written = 1;
-	if (data->check_pktline)
-		check_pktline(&data->pktline_state, ptr, size);
-	write_or_die(data->rpc->in, ptr, size);
-	return size;
-}
-
-static int run_slot(struct active_request_slot *slot,
-		    struct slot_results *results)
-{
-	int err;
-	struct slot_results results_buf;
-
-	if (!results)
-		results = &results_buf;
-
-	err = run_one_slot(slot, results);
-
-	if (err != HTTP_OK && err != HTTP_REAUTH) {
-		struct strbuf msg = STRBUF_INIT;
-		if (results->http_code && results->http_code != 200)
-			strbuf_addf(&msg, "HTTP %ld", results->http_code);
-		if (results->curl_result != CURLE_OK) {
-			if (msg.len)
-				strbuf_addch(&msg, ' ');
-			strbuf_addf(&msg, "curl %d", results->curl_result);
-			if (curl_errorstr[0]) {
-				strbuf_addch(&msg, ' ');
-				strbuf_addstr(&msg, curl_errorstr);
-			}
-		}
-		error(_("RPC failed; %s"), msg.buf);
-		strbuf_release(&msg);
-	}
-
-	return err;
-}
-
-static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
-{
-	struct active_request_slot *slot;
-	struct curl_slist *headers = http_copy_default_headers();
-	struct strbuf buf = STRBUF_INIT;
-	int err;
-
-	slot = get_active_slot();
-
-	headers = curl_slist_append(headers, rpc->hdr_content_type);
-	headers = curl_slist_append(headers, rpc->hdr_accept);
-
-	curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
-	curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
-	curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
-	curl_easy_setopt(slot->curl, CURLOPT_ENCODING, NULL);
-	curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, "0000");
-	curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, 4);
-	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
-	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
-	curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
-
-	err = run_slot(slot, results);
-
-	curl_slist_free_all(headers);
-	strbuf_release(&buf);
-	return err;
-}
-
-static curl_off_t xcurl_off_t(size_t len)
-{
-	uintmax_t size = len;
-	if (size > maximum_signed_value_of_type(curl_off_t))
-		die(_("cannot handle pushes this big"));
-	return (curl_off_t)size;
-}
-
-/*
- * If flush_received is true, do not attempt to read any more; just use what's
- * in rpc->buf.
- */
-static int post_rpc(struct rpc_state *rpc, int stateless_connect, int flush_received)
-{
-	struct active_request_slot *slot;
-	struct curl_slist *headers = http_copy_default_headers();
-	int use_gzip = rpc->gzip_request;
-	char *gzip_body = NULL;
-	size_t gzip_size = 0;
-	int err, large_request = 0;
-	int needs_100_continue = 0;
-	struct rpc_in_data rpc_in_data;
-
-	/* Try to load the entire request, if we can fit it into the
-	 * allocated buffer space we can use HTTP/1.0 and avoid the
-	 * chunked encoding mess.
-	 */
-	if (!flush_received) {
-		while (1) {
-			size_t n;
-			enum packet_read_status status;
-
-			if (!rpc_read_from_out(rpc, 0, &n, &status)) {
-				large_request = 1;
-				use_gzip = 0;
-				break;
-			}
-			if (status == PACKET_READ_FLUSH)
-				break;
-		}
-	}
-
-	if (large_request) {
-		struct slot_results results;
-
-		do {
-			err = probe_rpc(rpc, &results);
-			if (err == HTTP_REAUTH)
-				credential_fill(&http_auth);
-		} while (err == HTTP_REAUTH);
-		if (err != HTTP_OK)
-			return -1;
-
-		if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
-			needs_100_continue = 1;
-	}
-
-	headers = curl_slist_append(headers, rpc->hdr_content_type);
-	headers = curl_slist_append(headers, rpc->hdr_accept);
-	headers = curl_slist_append(headers, needs_100_continue ?
-		"Expect: 100-continue" : "Expect:");
-
-	/* Add the extra Git-Protocol header */
-	if (rpc->protocol_header)
-		headers = curl_slist_append(headers, rpc->protocol_header);
-
-retry:
-	slot = get_active_slot();
-
-	curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
-	curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
-	curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
-	curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "");
-
-	if (large_request) {
-		/* The request body is large and the size cannot be predicted.
-		 * We must use chunked encoding to send it.
-		 */
-		headers = curl_slist_append(headers, "Transfer-Encoding: chunked");
-		rpc->initial_buffer = 1;
-		curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out);
-		curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc);
-#ifndef NO_CURL_IOCTL
-		curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl);
-		curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc);
-#endif
-		if (options.verbosity > 1) {
-			fprintf(stderr, "POST %s (chunked)\n", rpc->service_name);
-			fflush(stderr);
-		}
-
-	} else if (gzip_body) {
-		/*
-		 * If we are looping to retry authentication, then the previous
-		 * run will have set up the headers and gzip buffer already,
-		 * and we just need to send it.
-		 */
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body);
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE_LARGE, xcurl_off_t(gzip_size));
-
-	} else if (use_gzip && 1024 < rpc->len) {
-		/* The client backend isn't giving us compressed data so
-		 * we can try to deflate it ourselves, this may save on
-		 * the transfer time.
-		 */
-		git_zstream stream;
-		int ret;
-
-		git_deflate_init_gzip(&stream, Z_BEST_COMPRESSION);
-		gzip_size = git_deflate_bound(&stream, rpc->len);
-		gzip_body = xmalloc(gzip_size);
-
-		stream.next_in = (unsigned char *)rpc->buf;
-		stream.avail_in = rpc->len;
-		stream.next_out = (unsigned char *)gzip_body;
-		stream.avail_out = gzip_size;
-
-		ret = git_deflate(&stream, Z_FINISH);
-		if (ret != Z_STREAM_END)
-			die(_("cannot deflate request; zlib deflate error %d"), ret);
-
-		ret = git_deflate_end_gently(&stream);
-		if (ret != Z_OK)
-			die(_("cannot deflate request; zlib end error %d"), ret);
-
-		gzip_size = stream.total_out;
-
-		headers = curl_slist_append(headers, "Content-Encoding: gzip");
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body);
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE_LARGE, xcurl_off_t(gzip_size));
-
-		if (options.verbosity > 1) {
-			fprintf(stderr, "POST %s (gzip %lu to %lu bytes)\n",
-				rpc->service_name,
-				(unsigned long)rpc->len, (unsigned long)gzip_size);
-			fflush(stderr);
-		}
-	} else {
-		/* We know the complete request size in advance, use the
-		 * more normal Content-Length approach.
-		 */
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, rpc->buf);
-		curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE_LARGE, xcurl_off_t(rpc->len));
-		if (options.verbosity > 1) {
-			fprintf(stderr, "POST %s (%lu bytes)\n",
-				rpc->service_name, (unsigned long)rpc->len);
-			fflush(stderr);
-		}
-	}
-
-	curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
-	curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
-	rpc_in_data.rpc = rpc;
-	rpc_in_data.slot = slot;
-	rpc_in_data.check_pktline = stateless_connect;
-	memset(&rpc_in_data.pktline_state, 0, sizeof(rpc_in_data.pktline_state));
-	curl_easy_setopt(slot->curl, CURLOPT_FILE, &rpc_in_data);
-	curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 0);
-
-
-	rpc->any_written = 0;
-	err = run_slot(slot, NULL);
-	if (err == HTTP_REAUTH && !large_request) {
-		credential_fill(&http_auth);
-		goto retry;
-	}
-	if (err != HTTP_OK)
-		err = -1;
-
-	if (!rpc->any_written)
-		err = -1;
-
-	if (rpc_in_data.pktline_state.len_filled)
-		err = error(_("%d bytes of length header were received"), rpc_in_data.pktline_state.len_filled);
-	if (rpc_in_data.pktline_state.remaining)
-		err = error(_("%d bytes of body are still expected"), rpc_in_data.pktline_state.remaining);
-
-	if (stateless_connect)
-		packet_response_end(rpc->in);
-
-	curl_slist_free_all(headers);
-	free(gzip_body);
-	return err;
-}
-
-static int rpc_service(struct rpc_state *rpc, struct discovery *heads,
-		       const char **client_argv, const struct strbuf *preamble,
-		       struct strbuf *rpc_result)
-{
-	const char *svc = rpc->service_name;
-	struct strbuf buf = STRBUF_INIT;
-	struct child_process client = CHILD_PROCESS_INIT;
-	int err = 0;
-
-	client.in = -1;
-	client.out = -1;
-	client.git_cmd = 1;
-	client.argv = client_argv;
-	if (start_command(&client))
-		exit(1);
-	write_or_die(client.in, preamble->buf, preamble->len);
-	if (heads)
-		write_or_die(client.in, heads->buf, heads->len);
-
-	rpc->alloc = http_post_buffer;
-	rpc->buf = xmalloc(rpc->alloc);
-	rpc->in = client.in;
-	rpc->out = client.out;
-
-	strbuf_addf(&buf, "%s%s", url.buf, svc);
-	rpc->service_url = strbuf_detach(&buf, NULL);
-
-	strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc);
-	rpc->hdr_content_type = strbuf_detach(&buf, NULL);
-
-	strbuf_addf(&buf, "Accept: application/x-%s-result", svc);
-	rpc->hdr_accept = strbuf_detach(&buf, NULL);
-
-	if (get_protocol_http_header(heads->version, &buf))
-		rpc->protocol_header = strbuf_detach(&buf, NULL);
-	else
-		rpc->protocol_header = NULL;
-
-	while (!err) {
-		int n = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0);
-		if (!n)
-			break;
-		rpc->pos = 0;
-		rpc->len = n;
-		err |= post_rpc(rpc, 0, 0);
-	}
-
-	close(client.in);
-	client.in = -1;
-	if (!err) {
-		strbuf_read(rpc_result, client.out, 0);
-	} else {
-		char buf[4096];
-		for (;;)
-			if (xread(client.out, buf, sizeof(buf)) <= 0)
-				break;
-	}
-
-	close(client.out);
-	client.out = -1;
-
-	err |= finish_command(&client);
-	free(rpc->service_url);
-	free(rpc->hdr_content_type);
-	free(rpc->hdr_accept);
-	free(rpc->protocol_header);
-	free(rpc->buf);
-	strbuf_release(&buf);
-	return err;
-}
-
-static int fetch_dumb(int nr_heads, struct ref **to_fetch)
-{
-	struct walker *walker;
-	char **targets;
-	int ret, i;
-
-	ALLOC_ARRAY(targets, nr_heads);
-	if (options.depth || options.deepen_since)
-		die(_("dumb http transport does not support shallow capabilities"));
-	for (i = 0; i < nr_heads; i++)
-		targets[i] = xstrdup(oid_to_hex(&to_fetch[i]->old_oid));
-
-	walker = get_http_walker(url.buf);
-	walker->get_verbosely = options.verbosity >= 3;
-	walker->get_progress = options.progress;
-	walker->get_recover = 0;
-	ret = walker_fetch(walker, nr_heads, targets, NULL, NULL);
-	walker_free(walker);
-
-	for (i = 0; i < nr_heads; i++)
-		free(targets[i]);
-	free(targets);
-
-	return ret ? error(_("fetch failed.")) : 0;
-}
-
-static int fetch_git(struct discovery *heads,
-	int nr_heads, struct ref **to_fetch)
-{
-	struct rpc_state rpc;
-	struct strbuf preamble = STRBUF_INIT;
-	int i, err;
-	struct strvec args = STRVEC_INIT;
-	struct strbuf rpc_result = STRBUF_INIT;
-
-	strvec_pushl(&args, "fetch-pack", "--stateless-rpc",
-		     "--stdin", "--lock-pack", NULL);
-	if (options.followtags)
-		strvec_push(&args, "--include-tag");
-	if (options.thin)
-		strvec_push(&args, "--thin");
-	if (options.verbosity >= 3)
-		strvec_pushl(&args, "-v", "-v", NULL);
-	if (options.check_self_contained_and_connected)
-		strvec_push(&args, "--check-self-contained-and-connected");
-	if (options.cloning)
-		strvec_push(&args, "--cloning");
-	if (options.update_shallow)
-		strvec_push(&args, "--update-shallow");
-	if (!options.progress)
-		strvec_push(&args, "--no-progress");
-	if (options.depth)
-		strvec_pushf(&args, "--depth=%lu", options.depth);
-	if (options.deepen_since)
-		strvec_pushf(&args, "--shallow-since=%s", options.deepen_since);
-	for (i = 0; i < options.deepen_not.nr; i++)
-		strvec_pushf(&args, "--shallow-exclude=%s",
-			     options.deepen_not.items[i].string);
-	if (options.deepen_relative && options.depth)
-		strvec_push(&args, "--deepen-relative");
-	if (options.from_promisor)
-		strvec_push(&args, "--from-promisor");
-	if (options.filter)
-		strvec_pushf(&args, "--filter=%s", options.filter);
-	strvec_push(&args, url.buf);
-
-	for (i = 0; i < nr_heads; i++) {
-		struct ref *ref = to_fetch[i];
-		if (!*ref->name)
-			die(_("cannot fetch by sha1 over smart http"));
-		packet_buf_write(&preamble, "%s %s\n",
-				 oid_to_hex(&ref->old_oid), ref->name);
-	}
-	packet_buf_flush(&preamble);
-
-	memset(&rpc, 0, sizeof(rpc));
-	rpc.service_name = "git-upload-pack",
-	rpc.gzip_request = 1;
-
-	err = rpc_service(&rpc, heads, args.v, &preamble, &rpc_result);
-	if (rpc_result.len)
-		write_or_die(1, rpc_result.buf, rpc_result.len);
-	strbuf_release(&rpc_result);
-	strbuf_release(&preamble);
-	strvec_clear(&args);
-	return err;
-}
-
-static int fetch(int nr_heads, struct ref **to_fetch)
-{
-	struct discovery *d = discover_refs("git-upload-pack", 0);
-	if (d->proto_git)
-		return fetch_git(d, nr_heads, to_fetch);
-	else
-		return fetch_dumb(nr_heads, to_fetch);
-}
-
-static void parse_fetch(struct strbuf *buf)
-{
-	struct ref **to_fetch = NULL;
-	struct ref *list_head = NULL;
-	struct ref **list = &list_head;
-	int alloc_heads = 0, nr_heads = 0;
-
-	do {
-		const char *p;
-		if (skip_prefix(buf->buf, "fetch ", &p)) {
-			const char *name;
-			struct ref *ref;
-			struct object_id old_oid;
-			const char *q;
-
-			if (parse_oid_hex(p, &old_oid, &q))
-				die(_("protocol error: expected sha/ref, got '%s'"), p);
-			if (*q == ' ')
-				name = q + 1;
-			else if (!*q)
-				name = "";
-			else
-				die(_("protocol error: expected sha/ref, got '%s'"), p);
-
-			ref = alloc_ref(name);
-			oidcpy(&ref->old_oid, &old_oid);
-
-			*list = ref;
-			list = &ref->next;
-
-			ALLOC_GROW(to_fetch, nr_heads + 1, alloc_heads);
-			to_fetch[nr_heads++] = ref;
-		}
-		else
-			die(_("http transport does not support %s"), buf->buf);
-
-		strbuf_reset(buf);
-		if (strbuf_getline_lf(buf, stdin) == EOF)
-			return;
-		if (!*buf->buf)
-			break;
-	} while (1);
-
-	if (fetch(nr_heads, to_fetch))
-		exit(128); /* error already reported */
-	free_refs(list_head);
-	free(to_fetch);
-
-	printf("\n");
-	fflush(stdout);
-	strbuf_reset(buf);
-}
-
-static int push_dav(int nr_spec, const char **specs)
-{
-	struct child_process child = CHILD_PROCESS_INIT;
-	size_t i;
-
-	child.git_cmd = 1;
-	strvec_push(&child.args, "http-push");
-	strvec_push(&child.args, "--helper-status");
-	if (options.dry_run)
-		strvec_push(&child.args, "--dry-run");
-	if (options.verbosity > 1)
-		strvec_push(&child.args, "--verbose");
-	strvec_push(&child.args, url.buf);
-	for (i = 0; i < nr_spec; i++)
-		strvec_push(&child.args, specs[i]);
-
-	if (run_command(&child))
-		die(_("git-http-push failed"));
-	return 0;
-}
-
-static int push_git(struct discovery *heads, int nr_spec, const char **specs)
-{
-	struct rpc_state rpc;
-	int i, err;
-	struct strvec args;
-	struct string_list_item *cas_option;
-	struct strbuf preamble = STRBUF_INIT;
-	struct strbuf rpc_result = STRBUF_INIT;
-
-	strvec_init(&args);
-	strvec_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
-		     NULL);
-
-	if (options.thin)
-		strvec_push(&args, "--thin");
-	if (options.dry_run)
-		strvec_push(&args, "--dry-run");
-	if (options.push_cert == SEND_PACK_PUSH_CERT_ALWAYS)
-		strvec_push(&args, "--signed=yes");
-	else if (options.push_cert == SEND_PACK_PUSH_CERT_IF_ASKED)
-		strvec_push(&args, "--signed=if-asked");
-	if (options.atomic)
-		strvec_push(&args, "--atomic");
-	if (options.verbosity == 0)
-		strvec_push(&args, "--quiet");
-	else if (options.verbosity > 1)
-		strvec_push(&args, "--verbose");
-	for (i = 0; i < options.push_options.nr; i++)
-		strvec_pushf(&args, "--push-option=%s",
-			     options.push_options.items[i].string);
-	strvec_push(&args, options.progress ? "--progress" : "--no-progress");
-	for_each_string_list_item(cas_option, &cas_options)
-		strvec_push(&args, cas_option->string);
-	strvec_push(&args, url.buf);
-
-	strvec_push(&args, "--stdin");
-	for (i = 0; i < nr_spec; i++)
-		packet_buf_write(&preamble, "%s\n", specs[i]);
-	packet_buf_flush(&preamble);
-
-	memset(&rpc, 0, sizeof(rpc));
-	rpc.service_name = "git-receive-pack",
-
-	err = rpc_service(&rpc, heads, args.v, &preamble, &rpc_result);
-	if (rpc_result.len)
-		write_or_die(1, rpc_result.buf, rpc_result.len);
-	strbuf_release(&rpc_result);
-	strbuf_release(&preamble);
-	strvec_clear(&args);
-	return err;
-}
-
-static int push(int nr_spec, const char **specs)
-{
-	struct discovery *heads = discover_refs("git-receive-pack", 1);
-	int ret;
-
-	if (heads->proto_git)
-		ret = push_git(heads, nr_spec, specs);
-	else
-		ret = push_dav(nr_spec, specs);
-	free_discovery(heads);
-	return ret;
-}
-
-static void parse_push(struct strbuf *buf)
-{
-	struct strvec specs = STRVEC_INIT;
-	int ret;
-
-	do {
-		const char *arg;
-		if (skip_prefix(buf->buf, "push ", &arg))
-			strvec_push(&specs, arg);
-		else
-			die(_("http transport does not support %s"), buf->buf);
-
-		strbuf_reset(buf);
-		if (strbuf_getline_lf(buf, stdin) == EOF)
-			goto free_specs;
-		if (!*buf->buf)
-			break;
-	} while (1);
-
-	ret = push(specs.nr, specs.v);
-	printf("\n");
-	fflush(stdout);
-
-	if (ret)
-		exit(128); /* error already reported */
-
-free_specs:
-	strvec_clear(&specs);
-}
-
-static int stateless_connect(const char *service_name)
-{
-	struct discovery *discover;
-	struct rpc_state rpc;
-	struct strbuf buf = STRBUF_INIT;
-
-	/*
-	 * Run the info/refs request and see if the server supports protocol
-	 * v2.  If and only if the server supports v2 can we successfully
-	 * establish a stateless connection, otherwise we need to tell the
-	 * client to fallback to using other transport helper functions to
-	 * complete their request.
-	 */
-	discover = discover_refs(service_name, 0);
-	if (discover->version != protocol_v2) {
-		printf("fallback\n");
-		fflush(stdout);
-		return -1;
-	} else {
-		/* Stateless Connection established */
-		printf("\n");
-		fflush(stdout);
-	}
-
-	rpc.service_name = service_name;
-	rpc.service_url = xstrfmt("%s%s", url.buf, rpc.service_name);
-	rpc.hdr_content_type = xstrfmt("Content-Type: application/x-%s-request", rpc.service_name);
-	rpc.hdr_accept = xstrfmt("Accept: application/x-%s-result", rpc.service_name);
-	if (get_protocol_http_header(discover->version, &buf)) {
-		rpc.protocol_header = strbuf_detach(&buf, NULL);
-	} else {
-		rpc.protocol_header = NULL;
-		strbuf_release(&buf);
-	}
-	rpc.buf = xmalloc(http_post_buffer);
-	rpc.alloc = http_post_buffer;
-	rpc.len = 0;
-	rpc.pos = 0;
-	rpc.in = 1;
-	rpc.out = 0;
-	rpc.any_written = 0;
-	rpc.gzip_request = 1;
-	rpc.initial_buffer = 0;
-	rpc.write_line_lengths = 1;
-	rpc.flush_read_but_not_sent = 0;
-
-	/*
-	 * Dump the capability listing that we got from the server earlier
-	 * during the info/refs request.
-	 */
-	write_or_die(rpc.in, discover->buf, discover->len);
-
-	/* Until we see EOF keep sending POSTs */
-	while (1) {
-		size_t avail;
-		enum packet_read_status status;
-
-		if (!rpc_read_from_out(&rpc, PACKET_READ_GENTLE_ON_EOF, &avail,
-				       &status))
-			BUG("The entire rpc->buf should be larger than LARGE_PACKET_MAX");
-		if (status == PACKET_READ_EOF)
-			break;
-		if (post_rpc(&rpc, 1, status == PACKET_READ_FLUSH))
-			/* We would have an err here */
-			break;
-		/* Reset the buffer for next request */
-		rpc.len = 0;
-	}
-
-	free(rpc.service_url);
-	free(rpc.hdr_content_type);
-	free(rpc.hdr_accept);
-	free(rpc.protocol_header);
-	free(rpc.buf);
-	strbuf_release(&buf);
-
-	return 0;
-}
-
-int cmd_main(int argc, const char **argv)
-{
-	struct strbuf buf = STRBUF_INIT;
-	int nongit;
-
-	setup_git_directory_gently(&nongit);
-	if (argc < 2) {
-		error(_("remote-curl: usage: git remote-curl <remote> [<url>]"));
-		return 1;
-	}
-
-	options.verbosity = 1;
-	options.progress = !!isatty(2);
-	options.thin = 1;
-	string_list_init(&options.deepen_not, 1);
-	string_list_init(&options.push_options, 1);
-
-	/*
-	 * Just report "remote-curl" here (folding all the various aliases
-	 * ("git-remote-http", "git-remote-https", and etc.) here since they
-	 * are all just copies of the same actual executable.
-	 */
-	trace2_cmd_name("remote-curl");
-
-	remote = remote_get(argv[1]);
-
-	if (argc > 2) {
-		end_url_with_slash(&url, argv[2]);
-	} else {
-		end_url_with_slash(&url, remote->url[0]);
-	}
-
-	http_init(remote, url.buf, 0);
-
-	do {
-		const char *arg;
-
-		if (strbuf_getline_lf(&buf, stdin) == EOF) {
-			if (ferror(stdin))
-				error(_("remote-curl: error reading command stream from git"));
-			return 1;
-		}
-		if (buf.len == 0)
-			break;
-		if (starts_with(buf.buf, "fetch ")) {
-			if (nongit)
-				die(_("remote-curl: fetch attempted without a local repo"));
-			parse_fetch(&buf);
-
-		} else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) {
-			int for_push = !!strstr(buf.buf + 4, "for-push");
-			output_refs(get_refs(for_push));
-
-		} else if (starts_with(buf.buf, "push ")) {
-			parse_push(&buf);
-
-		} else if (skip_prefix(buf.buf, "option ", &arg)) {
-			char *value = strchr(arg, ' ');
-			int result;
-
-			if (value)
-				*value++ = '\0';
-			else
-				value = "true";
-
-			result = set_option(arg, value);
-			if (!result)
-				printf("ok\n");
-			else if (result < 0)
-				printf("error invalid value\n");
-			else
-				printf("unsupported\n");
-			fflush(stdout);
-
-		} else if (!strcmp(buf.buf, "capabilities")) {
-			printf("stateless-connect\n");
-			printf("fetch\n");
-			printf("option\n");
-			printf("push\n");
-			printf("check-connectivity\n");
-			printf("object-format\n");
-			printf("\n");
-			fflush(stdout);
-		} else if (skip_prefix(buf.buf, "stateless-connect ", &arg)) {
-			if (!stateless_connect(arg))
-				break;
-		} else {
-			error(_("remote-curl: unknown command '%s' from git"), buf.buf);
-			return 1;
-		}
-		strbuf_reset(&buf);
-	} while (1);
-
-	http_cleanup();
-
-	return 0;
-}