blob: 52c2d96ce6183ca8b3498794304fa8dc98f8f42a [file] [log] [blame]
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001#include "cache.h"
2#include "remote.h"
3#include "strbuf.h"
4#include "walker.h"
5#include "http.h"
Björn Steinbrinkd01a8e32009-10-14 00:11:09 +02006#include "exec_cmd.h"
Shawn O. Pearceae4efe12009-10-30 17:47:30 -07007#include "run-command.h"
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -07008#include "pkt-line.h"
Junio C Hamano05c1eb12013-08-02 15:14:50 -07009#include "string-list.h"
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -070010#include "sideband.h"
Junio C Hamano222b1212013-07-08 22:16:31 -070011#include "argv-array.h"
Jeff King2501aff2013-09-28 04:31:45 -040012#include "credential.h"
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +070013#include "sha1-array.h"
Daniel Barkalowa2d725b2009-08-05 01:01:56 -040014
Shawn O. Pearce37a87682009-10-30 17:47:26 -070015static struct remote *remote;
Jeff Kingb227bbc2013-09-28 04:35:25 -040016/* always ends with a trailing slash */
17static struct strbuf url = STRBUF_INIT;
Shawn O. Pearce37a87682009-10-30 17:47:26 -070018
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070019struct options {
20 int verbosity;
21 unsigned long depth;
22 unsigned progress : 1,
Nguyễn Thái Ngọc Duy9ba38042013-07-21 15:18:05 +070023 check_self_contained_and_connected : 1,
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +070024 cloning : 1,
25 update_shallow : 1,
Shawn O. Pearceae4efe12009-10-30 17:47:30 -070026 followtags : 1,
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -070027 dry_run : 1,
28 thin : 1;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070029};
30static struct options options;
Junio C Hamano05c1eb12013-08-02 15:14:50 -070031static struct string_list cas_options = STRING_LIST_INIT_DUP;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070032
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070033static int set_option(const char *name, const char *value)
34{
35 if (!strcmp(name, "verbosity")) {
36 char *end;
37 int v = strtol(value, &end, 10);
38 if (value == end || *end)
39 return -1;
40 options.verbosity = v;
41 return 0;
42 }
43 else if (!strcmp(name, "progress")) {
44 if (!strcmp(value, "true"))
45 options.progress = 1;
46 else if (!strcmp(value, "false"))
47 options.progress = 0;
48 else
49 return -1;
Shawn O. Pearce249b2002009-10-30 17:47:42 -070050 return 0;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070051 }
52 else if (!strcmp(name, "depth")) {
53 char *end;
54 unsigned long v = strtoul(value, &end, 10);
55 if (value == end || *end)
56 return -1;
57 options.depth = v;
Shawn O. Pearce249b2002009-10-30 17:47:42 -070058 return 0;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070059 }
60 else if (!strcmp(name, "followtags")) {
61 if (!strcmp(value, "true"))
62 options.followtags = 1;
63 else if (!strcmp(value, "false"))
64 options.followtags = 0;
65 else
66 return -1;
Shawn O. Pearce249b2002009-10-30 17:47:42 -070067 return 0;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -070068 }
Shawn O. Pearceae4efe12009-10-30 17:47:30 -070069 else if (!strcmp(name, "dry-run")) {
70 if (!strcmp(value, "true"))
71 options.dry_run = 1;
72 else if (!strcmp(value, "false"))
73 options.dry_run = 0;
74 else
75 return -1;
76 return 0;
77 }
Nguyễn Thái Ngọc Duy9ba38042013-07-21 15:18:05 +070078 else if (!strcmp(name, "check-connectivity")) {
79 if (!strcmp(value, "true"))
80 options.check_self_contained_and_connected = 1;
81 else if (!strcmp(value, "false"))
82 options.check_self_contained_and_connected = 0;
83 else
84 return -1;
85 return 0;
86 }
Junio C Hamano05c1eb12013-08-02 15:14:50 -070087 else if (!strcmp(name, "cas")) {
88 struct strbuf val = STRBUF_INIT;
89 strbuf_addf(&val, "--" CAS_OPT_NAME "=%s", value);
90 string_list_append(&cas_options, val.buf);
91 strbuf_release(&val);
92 return 0;
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +070093 } else if (!strcmp(name, "cloning")) {
94 if (!strcmp(value, "true"))
95 options.cloning = 1;
96 else if (!strcmp(value, "false"))
97 options.cloning = 0;
98 else
99 return -1;
100 return 0;
101 } else if (!strcmp(name, "update-shallow")) {
102 if (!strcmp(value, "true"))
103 options.update_shallow = 1;
104 else if (!strcmp(value, "false"))
105 options.update_shallow = 0;
106 else
107 return -1;
108 return 0;
109 } else {
Shawn O. Pearceef08ef92009-10-30 17:47:29 -0700110 return 1 /* unsupported */;
111 }
112}
113
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700114struct discovery {
115 const char *service;
116 char *buf_alloc;
117 char *buf;
118 size_t len;
Jeff King2a455202013-02-20 15:07:19 -0500119 struct ref *refs;
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +0700120 struct sha1_array shallow;
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700121 unsigned proto_git : 1;
122};
123static struct discovery *last_discovery;
124
Jeff Kingb8054bb2013-02-20 15:07:11 -0500125static struct ref *parse_git_refs(struct discovery *heads, int for_push)
126{
127 struct ref *list = NULL;
128 get_remote_heads(-1, heads->buf, heads->len, &list,
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +0700129 for_push ? REF_NORMAL : 0, NULL, &heads->shallow);
Jeff Kingb8054bb2013-02-20 15:07:11 -0500130 return list;
131}
132
133static struct ref *parse_info_refs(struct discovery *heads)
134{
135 char *data, *start, *mid;
136 char *ref_name;
137 int i = 0;
138
139 struct ref *refs = NULL;
140 struct ref *ref = NULL;
141 struct ref *last_ref = NULL;
142
143 data = heads->buf;
144 start = NULL;
145 mid = data;
146 while (i < heads->len) {
147 if (!start) {
148 start = &data[i];
149 }
150 if (data[i] == '\t')
151 mid = &data[i];
152 if (data[i] == '\n') {
153 if (mid - start != 40)
Jeff Kingb227bbc2013-09-28 04:35:25 -0400154 die("%sinfo/refs not valid: is this a git repository?",
155 url.buf);
Jeff Kingb8054bb2013-02-20 15:07:11 -0500156 data[i] = 0;
157 ref_name = mid + 1;
158 ref = xmalloc(sizeof(struct ref) +
159 strlen(ref_name) + 1);
160 memset(ref, 0, sizeof(struct ref));
161 strcpy(ref->name, ref_name);
162 get_sha1_hex(start, ref->old_sha1);
163 if (!refs)
164 refs = ref;
165 if (last_ref)
166 last_ref->next = ref;
167 last_ref = ref;
168 start = NULL;
169 }
170 i++;
171 }
172
173 ref = alloc_ref("HEAD");
Jeff Kingb227bbc2013-09-28 04:35:25 -0400174 if (!http_fetch_ref(url.buf, ref) &&
Jeff Kingb8054bb2013-02-20 15:07:11 -0500175 !resolve_remote_symref(ref, refs)) {
176 ref->next = refs;
177 refs = ref;
178 } else {
179 free(ref);
180 }
181
182 return refs;
183}
184
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700185static void free_discovery(struct discovery *d)
186{
187 if (d) {
188 if (d == last_discovery)
189 last_discovery = NULL;
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +0700190 free(d->shallow.sha1);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700191 free(d->buf_alloc);
Jeff King2a455202013-02-20 15:07:19 -0500192 free_refs(d->refs);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700193 free(d);
194 }
195}
196
Jeff King426e70d2013-04-05 18:17:23 -0400197static int show_http_message(struct strbuf *type, struct strbuf *msg)
198{
199 const char *p, *eol;
200
201 /*
202 * We only show text/plain parts, as other types are likely
203 * to be ugly to look at on the user's terminal.
204 *
205 * TODO should handle "; charset=XXX", and re-encode into
206 * logoutputencoding
207 */
208 if (strcasecmp(type->buf, "text/plain"))
209 return -1;
210
211 strbuf_trim(msg);
212 if (!msg->len)
213 return -1;
214
215 p = msg->buf;
216 do {
217 eol = strchrnul(p, '\n');
218 fprintf(stderr, "remote: %.*s\n", (int)(eol - p), p);
219 p = eol + 1;
220 } while(*eol);
221 return 0;
222}
223
Jeff King2a455202013-02-20 15:07:19 -0500224static struct discovery* discover_refs(const char *service, int for_push)
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400225{
Shawn Pearce4656bf42013-01-31 13:02:07 -0800226 struct strbuf exp = STRBUF_INIT;
227 struct strbuf type = STRBUF_INIT;
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400228 struct strbuf buffer = STRBUF_INIT;
Jeff Kingc65d5692013-09-28 04:35:10 -0400229 struct strbuf refs_url = STRBUF_INIT;
Jeff King050ef362013-09-28 04:35:35 -0400230 struct strbuf effective_url = STRBUF_INIT;
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700231 struct discovery *last = last_discovery;
Jeff King243c3292012-09-20 13:00:22 -0400232 int http_ret, maybe_smart = 0;
Jeff King1bbcc222013-09-28 04:31:23 -0400233 struct http_get_options options;
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400234
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700235 if (last && !strcmp(service, last->service))
236 return last;
237 free_discovery(last);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400238
Jeff Kingb227bbc2013-09-28 04:35:25 -0400239 strbuf_addf(&refs_url, "%sinfo/refs", url.buf);
Christian Couder59556542013-11-30 21:55:40 +0100240 if ((starts_with(url.buf, "http://") || starts_with(url.buf, "https://")) &&
Jeff King02572c22012-09-20 17:30:58 -0400241 git_env_bool("GIT_SMART_HTTP", 1)) {
Jeff King243c3292012-09-20 13:00:22 -0400242 maybe_smart = 1;
Jeff Kingb227bbc2013-09-28 04:35:25 -0400243 if (!strchr(url.buf, '?'))
Jeff Kingc65d5692013-09-28 04:35:10 -0400244 strbuf_addch(&refs_url, '?');
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700245 else
Jeff Kingc65d5692013-09-28 04:35:10 -0400246 strbuf_addch(&refs_url, '&');
247 strbuf_addf(&refs_url, "service=%s", service);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700248 }
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400249
Jeff King1bbcc222013-09-28 04:31:23 -0400250 memset(&options, 0, sizeof(options));
251 options.content_type = &type;
Jeff King050ef362013-09-28 04:35:35 -0400252 options.effective_url = &effective_url;
253 options.base_url = &url;
Jeff King1bbcc222013-09-28 04:31:23 -0400254 options.no_cache = 1;
255 options.keep_error = 1;
256
Jeff Kingc65d5692013-09-28 04:35:10 -0400257 http_ret = http_get_strbuf(refs_url.buf, &buffer, &options);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400258 switch (http_ret) {
259 case HTTP_OK:
260 break;
261 case HTTP_MISSING_TARGET:
Jeff Kingcfa0f402013-04-05 18:20:43 -0400262 show_http_message(&type, &buffer);
Jeff Kingb227bbc2013-09-28 04:35:25 -0400263 die("repository '%s' not found", url.buf);
Scott Chacon42653c02010-04-01 15:14:35 -0700264 case HTTP_NOAUTH:
Jeff King426e70d2013-04-05 18:17:23 -0400265 show_http_message(&type, &buffer);
Jeff Kingb227bbc2013-09-28 04:35:25 -0400266 die("Authentication failed for '%s'", url.buf);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400267 default:
Jeff King426e70d2013-04-05 18:17:23 -0400268 show_http_message(&type, &buffer);
Jeff Kingb227bbc2013-09-28 04:35:25 -0400269 die("unable to access '%s': %s", url.buf, curl_errorstr);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400270 }
271
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700272 last= xcalloc(1, sizeof(*last_discovery));
273 last->service = service;
274 last->buf_alloc = strbuf_detach(&buffer, &last->len);
275 last->buf = last->buf_alloc;
276
Shawn Pearce4656bf42013-01-31 13:02:07 -0800277 strbuf_addf(&exp, "application/x-%s-advertisement", service);
278 if (maybe_smart &&
279 (5 <= last->len && last->buf[4] == '#') &&
280 !strbuf_cmp(&exp, &type)) {
Jeff King4981fe72013-02-23 17:31:34 -0500281 char *line;
282
Shawn Pearce4656bf42013-01-31 13:02:07 -0800283 /*
284 * smart HTTP response; validate that the service
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700285 * pkt-line matches our request.
286 */
Jeff King4981fe72013-02-23 17:31:34 -0500287 line = packet_read_line_buf(&last->buf, &last->len, NULL);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700288
Shawn Pearce4656bf42013-01-31 13:02:07 -0800289 strbuf_reset(&exp);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700290 strbuf_addf(&exp, "# service=%s", service);
Jeff King4981fe72013-02-23 17:31:34 -0500291 if (strcmp(line, exp.buf))
292 die("invalid server response; got '%s'", line);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700293 strbuf_release(&exp);
294
295 /* The header can include additional metadata lines, up
296 * until a packet flush marker. Ignore these now, but
297 * in the future we might start to scan them.
298 */
Jeff King4981fe72013-02-23 17:31:34 -0500299 while (packet_read_line_buf(&last->buf, &last->len, NULL))
300 ;
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700301
302 last->proto_git = 1;
303 }
304
Jeff King2a455202013-02-20 15:07:19 -0500305 if (last->proto_git)
306 last->refs = parse_git_refs(last, for_push);
307 else
308 last->refs = parse_info_refs(last);
309
Jeff Kingc65d5692013-09-28 04:35:10 -0400310 strbuf_release(&refs_url);
Shawn Pearce4656bf42013-01-31 13:02:07 -0800311 strbuf_release(&exp);
312 strbuf_release(&type);
Jeff King050ef362013-09-28 04:35:35 -0400313 strbuf_release(&effective_url);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700314 strbuf_release(&buffer);
315 last_discovery = last;
316 return last;
317}
318
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700319static struct ref *get_refs(int for_push)
320{
321 struct discovery *heads;
322
323 if (for_push)
Jeff King2a455202013-02-20 15:07:19 -0500324 heads = discover_refs("git-receive-pack", for_push);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700325 else
Jeff King2a455202013-02-20 15:07:19 -0500326 heads = discover_refs("git-upload-pack", for_push);
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700327
Jeff King2a455202013-02-20 15:07:19 -0500328 return heads->refs;
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700329}
330
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700331static void output_refs(struct ref *refs)
332{
333 struct ref *posn;
334 for (posn = refs; posn; posn = posn->next) {
335 if (posn->symref)
336 printf("@%s %s\n", posn->symref, posn->name);
337 else
338 printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name);
339 }
340 printf("\n");
341 fflush(stdout);
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700342}
343
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700344struct rpc_state {
345 const char *service_name;
346 const char **argv;
Ivan Todoroski81507492012-04-02 17:14:44 +0200347 struct strbuf *stdin_preamble;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700348 char *service_url;
349 char *hdr_content_type;
350 char *hdr_accept;
351 char *buf;
352 size_t alloc;
353 size_t len;
354 size_t pos;
355 int in;
356 int out;
357 struct strbuf result;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700358 unsigned gzip_request : 1;
Martin Storsjö6c81a992009-12-01 12:33:39 +0200359 unsigned initial_buffer : 1;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700360};
361
362static size_t rpc_out(void *ptr, size_t eltsize,
363 size_t nmemb, void *buffer_)
364{
365 size_t max = eltsize * nmemb;
366 struct rpc_state *rpc = buffer_;
367 size_t avail = rpc->len - rpc->pos;
368
369 if (!avail) {
Martin Storsjö6c81a992009-12-01 12:33:39 +0200370 rpc->initial_buffer = 0;
Jeff King4981fe72013-02-23 17:31:34 -0500371 avail = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700372 if (!avail)
373 return 0;
374 rpc->pos = 0;
375 rpc->len = avail;
376 }
377
Tay Ray Chuan48310602009-11-24 10:31:30 +0800378 if (max < avail)
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700379 avail = max;
380 memcpy(ptr, rpc->buf + rpc->pos, avail);
381 rpc->pos += avail;
382 return avail;
383}
384
Martin Storsjö6c81a992009-12-01 12:33:39 +0200385#ifndef NO_CURL_IOCTL
Junio C Hamano5092d3e2010-01-11 22:30:36 -0800386static curlioerr rpc_ioctl(CURL *handle, int cmd, void *clientp)
Martin Storsjö6c81a992009-12-01 12:33:39 +0200387{
388 struct rpc_state *rpc = clientp;
389
390 switch (cmd) {
391 case CURLIOCMD_NOP:
392 return CURLIOE_OK;
393
394 case CURLIOCMD_RESTARTREAD:
395 if (rpc->initial_buffer) {
396 rpc->pos = 0;
397 return CURLIOE_OK;
398 }
399 fprintf(stderr, "Unable to rewind rpc post data - try increasing http.postBuffer\n");
400 return CURLIOE_FAILRESTART;
401
402 default:
403 return CURLIOE_UNKNOWNCMD;
404 }
405}
406#endif
407
Dan McGeea04ff3e2011-05-03 23:47:27 +0800408static size_t rpc_in(char *ptr, size_t eltsize,
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700409 size_t nmemb, void *buffer_)
410{
411 size_t size = eltsize * nmemb;
412 struct rpc_state *rpc = buffer_;
413 write_or_die(rpc->in, ptr, size);
414 return size;
415}
416
Jeff King3a347ed2013-10-31 02:36:26 -0400417static int run_slot(struct active_request_slot *slot,
418 struct slot_results *results)
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800419{
Jeff Kingb81401c2012-08-27 09:27:15 -0400420 int err;
Jeff King3a347ed2013-10-31 02:36:26 -0400421 struct slot_results results_buf;
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800422
Jeff King3a347ed2013-10-31 02:36:26 -0400423 if (!results)
424 results = &results_buf;
425
Jeff Kingbeed3362014-02-18 05:34:20 -0500426 err = run_one_slot(slot, results);
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800427
Jeff Kingb81401c2012-08-27 09:27:15 -0400428 if (err != HTTP_OK && err != HTTP_REAUTH) {
429 error("RPC failed; result=%d, HTTP code = %ld",
Jeff King3a347ed2013-10-31 02:36:26 -0400430 results->curl_result, results->http_code);
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800431 }
432
433 return err;
434}
435
Jeff King3a347ed2013-10-31 02:36:26 -0400436static int probe_rpc(struct rpc_state *rpc, struct slot_results *results)
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800437{
438 struct active_request_slot *slot;
439 struct curl_slist *headers = NULL;
440 struct strbuf buf = STRBUF_INIT;
441 int err;
442
443 slot = get_active_slot();
444
445 headers = curl_slist_append(headers, rpc->hdr_content_type);
446 headers = curl_slist_append(headers, rpc->hdr_accept);
447
448 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
449 curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
450 curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
Shawn O. Pearceaa90b962012-09-19 16:12:02 -0700451 curl_easy_setopt(slot->curl, CURLOPT_ENCODING, NULL);
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800452 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, "0000");
453 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, 4);
454 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
455 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
456 curl_easy_setopt(slot->curl, CURLOPT_FILE, &buf);
457
Jeff King3a347ed2013-10-31 02:36:26 -0400458 err = run_slot(slot, results);
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800459
460 curl_slist_free_all(headers);
461 strbuf_release(&buf);
462 return err;
463}
464
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700465static int post_rpc(struct rpc_state *rpc)
466{
467 struct active_request_slot *slot;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700468 struct curl_slist *headers = NULL;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700469 int use_gzip = rpc->gzip_request;
470 char *gzip_body = NULL;
Ramsay Jones37711542012-11-21 19:08:51 +0000471 size_t gzip_size = 0;
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800472 int err, large_request = 0;
Brian M. Carlsonc80d96c2013-10-31 02:36:51 -0400473 int needs_100_continue = 0;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700474
475 /* Try to load the entire request, if we can fit it into the
476 * allocated buffer space we can use HTTP/1.0 and avoid the
477 * chunked encoding mess.
478 */
479 while (1) {
480 size_t left = rpc->alloc - rpc->len;
481 char *buf = rpc->buf + rpc->len;
482 int n;
483
484 if (left < LARGE_PACKET_MAX) {
485 large_request = 1;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700486 use_gzip = 0;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700487 break;
488 }
489
Jeff King4981fe72013-02-23 17:31:34 -0500490 n = packet_read(rpc->out, NULL, NULL, buf, left, 0);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700491 if (!n)
492 break;
493 rpc->len += n;
494 }
495
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800496 if (large_request) {
Brian M. Carlsonc80d96c2013-10-31 02:36:51 -0400497 struct slot_results results;
498
Jeff Kingb81401c2012-08-27 09:27:15 -0400499 do {
Brian M. Carlsonc80d96c2013-10-31 02:36:51 -0400500 err = probe_rpc(rpc, &results);
Jeff King2501aff2013-09-28 04:31:45 -0400501 if (err == HTTP_REAUTH)
502 credential_fill(&http_auth);
Jeff Kingb81401c2012-08-27 09:27:15 -0400503 } while (err == HTTP_REAUTH);
504 if (err != HTTP_OK)
505 return -1;
Brian M. Carlsonc80d96c2013-10-31 02:36:51 -0400506
507 if (results.auth_avail & CURLAUTH_GSSNEGOTIATE)
508 needs_100_continue = 1;
Shawn O. Pearce206b0992011-02-15 08:57:24 -0800509 }
510
Jeff Kingabf8df82012-10-12 03:35:33 -0400511 headers = curl_slist_append(headers, rpc->hdr_content_type);
512 headers = curl_slist_append(headers, rpc->hdr_accept);
Brian M. Carlsonc80d96c2013-10-31 02:36:51 -0400513 headers = curl_slist_append(headers, needs_100_continue ?
514 "Expect: 100-continue" : "Expect:");
Jeff Kingabf8df82012-10-12 03:35:33 -0400515
516retry:
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700517 slot = get_active_slot();
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700518
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700519 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
Martin Storsjöd21f9792009-11-23 11:03:28 +0800520 curl_easy_setopt(slot->curl, CURLOPT_POST, 1);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700521 curl_easy_setopt(slot->curl, CURLOPT_URL, rpc->service_url);
Shawn O. Pearceaa90b962012-09-19 16:12:02 -0700522 curl_easy_setopt(slot->curl, CURLOPT_ENCODING, "gzip");
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700523
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700524 if (large_request) {
525 /* The request body is large and the size cannot be predicted.
526 * We must use chunked encoding to send it.
527 */
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700528 headers = curl_slist_append(headers, "Transfer-Encoding: chunked");
Martin Storsjö6c81a992009-12-01 12:33:39 +0200529 rpc->initial_buffer = 1;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700530 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out);
531 curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc);
Martin Storsjö6c81a992009-12-01 12:33:39 +0200532#ifndef NO_CURL_IOCTL
533 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, rpc_ioctl);
534 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, rpc);
535#endif
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700536 if (options.verbosity > 1) {
537 fprintf(stderr, "POST %s (chunked)\n", rpc->service_name);
538 fflush(stderr);
539 }
540
Jeff King2e736fd2012-10-31 07:29:16 -0400541 } else if (gzip_body) {
542 /*
543 * If we are looping to retry authentication, then the previous
544 * run will have set up the headers and gzip buffer already,
545 * and we just need to send it.
546 */
547 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body);
548 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size);
549
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700550 } else if (use_gzip && 1024 < rpc->len) {
551 /* The client backend isn't giving us compressed data so
552 * we can try to deflate it ourselves, this may save on.
553 * the transfer time.
554 */
Junio C Hamanoef49a7a2011-06-10 11:52:15 -0700555 git_zstream stream;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700556 int ret;
557
558 memset(&stream, 0, sizeof(stream));
Junio C Hamano55bb5c92011-06-10 10:55:10 -0700559 git_deflate_init_gzip(&stream, Z_BEST_COMPRESSION);
Jeff Kingdf126e12012-10-31 07:20:15 -0400560 gzip_size = git_deflate_bound(&stream, rpc->len);
561 gzip_body = xmalloc(gzip_size);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700562
563 stream.next_in = (unsigned char *)rpc->buf;
564 stream.avail_in = rpc->len;
565 stream.next_out = (unsigned char *)gzip_body;
Jeff Kingdf126e12012-10-31 07:20:15 -0400566 stream.avail_out = gzip_size;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700567
Junio C Hamano55bb5c92011-06-10 10:55:10 -0700568 ret = git_deflate(&stream, Z_FINISH);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700569 if (ret != Z_STREAM_END)
570 die("cannot deflate request; zlib deflate error %d", ret);
571
Junio C Hamano55bb5c92011-06-10 10:55:10 -0700572 ret = git_deflate_end_gently(&stream);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700573 if (ret != Z_OK)
574 die("cannot deflate request; zlib end error %d", ret);
575
Jeff Kingdf126e12012-10-31 07:20:15 -0400576 gzip_size = stream.total_out;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700577
578 headers = curl_slist_append(headers, "Content-Encoding: gzip");
579 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, gzip_body);
Jeff Kingdf126e12012-10-31 07:20:15 -0400580 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, gzip_size);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700581
582 if (options.verbosity > 1) {
583 fprintf(stderr, "POST %s (gzip %lu to %lu bytes)\n",
584 rpc->service_name,
Jeff Kingdf126e12012-10-31 07:20:15 -0400585 (unsigned long)rpc->len, (unsigned long)gzip_size);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700586 fflush(stderr);
587 }
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700588 } else {
589 /* We know the complete request size in advance, use the
590 * more normal Content-Length approach.
591 */
592 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, rpc->buf);
593 curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, rpc->len);
594 if (options.verbosity > 1) {
595 fprintf(stderr, "POST %s (%lu bytes)\n",
596 rpc->service_name, (unsigned long)rpc->len);
597 fflush(stderr);
598 }
599 }
600
601 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, headers);
602 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, rpc_in);
603 curl_easy_setopt(slot->curl, CURLOPT_FILE, rpc);
604
Jeff King3a347ed2013-10-31 02:36:26 -0400605 err = run_slot(slot, NULL);
Jeff King2501aff2013-09-28 04:31:45 -0400606 if (err == HTTP_REAUTH && !large_request) {
607 credential_fill(&http_auth);
Jeff Kingabf8df82012-10-12 03:35:33 -0400608 goto retry;
Jeff King2501aff2013-09-28 04:31:45 -0400609 }
Jeff Kingb81401c2012-08-27 09:27:15 -0400610 if (err != HTTP_OK)
611 err = -1;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700612
613 curl_slist_free_all(headers);
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700614 free(gzip_body);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700615 return err;
616}
617
618static int rpc_service(struct rpc_state *rpc, struct discovery *heads)
619{
620 const char *svc = rpc->service_name;
621 struct strbuf buf = STRBUF_INIT;
Ivan Todoroski81507492012-04-02 17:14:44 +0200622 struct strbuf *preamble = rpc->stdin_preamble;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700623 struct child_process client;
624 int err = 0;
625
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700626 memset(&client, 0, sizeof(client));
627 client.in = -1;
628 client.out = -1;
629 client.git_cmd = 1;
630 client.argv = rpc->argv;
631 if (start_command(&client))
632 exit(1);
Ivan Todoroski81507492012-04-02 17:14:44 +0200633 if (preamble)
634 write_or_die(client.in, preamble->buf, preamble->len);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700635 if (heads)
636 write_or_die(client.in, heads->buf, heads->len);
637
638 rpc->alloc = http_post_buffer;
639 rpc->buf = xmalloc(rpc->alloc);
640 rpc->in = client.in;
641 rpc->out = client.out;
642 strbuf_init(&rpc->result, 0);
643
Jeff Kingb227bbc2013-09-28 04:35:25 -0400644 strbuf_addf(&buf, "%s%s", url.buf, svc);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700645 rpc->service_url = strbuf_detach(&buf, NULL);
646
647 strbuf_addf(&buf, "Content-Type: application/x-%s-request", svc);
648 rpc->hdr_content_type = strbuf_detach(&buf, NULL);
649
Shawn O. Pearce8efa5f62010-01-12 09:54:04 -0800650 strbuf_addf(&buf, "Accept: application/x-%s-result", svc);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700651 rpc->hdr_accept = strbuf_detach(&buf, NULL);
652
653 while (!err) {
Jeff King4981fe72013-02-23 17:31:34 -0500654 int n = packet_read(rpc->out, NULL, NULL, rpc->buf, rpc->alloc, 0);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700655 if (!n)
656 break;
657 rpc->pos = 0;
658 rpc->len = n;
659 err |= post_rpc(rpc);
660 }
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700661
662 close(client.in);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700663 client.in = -1;
Shawn O. Pearce6cdf0222011-10-04 16:20:19 -0700664 if (!err) {
665 strbuf_read(&rpc->result, client.out, 0);
666 } else {
667 char buf[4096];
668 for (;;)
669 if (xread(client.out, buf, sizeof(buf)) <= 0)
670 break;
671 }
Shawn O. Pearceb4ee10f2010-08-06 14:19:44 -0700672
673 close(client.out);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700674 client.out = -1;
675
676 err |= finish_command(&client);
677 free(rpc->service_url);
678 free(rpc->hdr_content_type);
679 free(rpc->hdr_accept);
680 free(rpc->buf);
681 strbuf_release(&buf);
682 return err;
683}
684
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700685static int fetch_dumb(int nr_heads, struct ref **to_fetch)
686{
Tay Ray Chuan26e1e0b2010-03-02 18:49:31 +0800687 struct walker *walker;
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700688 char **targets = xmalloc(nr_heads * sizeof(char*));
689 int ret, i;
690
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700691 if (options.depth)
692 die("dumb http transport does not support --depth");
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700693 for (i = 0; i < nr_heads; i++)
694 targets[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1));
695
Jeff Kingb227bbc2013-09-28 04:35:25 -0400696 walker = get_http_walker(url.buf);
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700697 walker->get_all = 1;
698 walker->get_tree = 1;
699 walker->get_history = 1;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -0700700 walker->get_verbosely = options.verbosity >= 3;
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700701 walker->get_recover = 0;
702 ret = walker_fetch(walker, nr_heads, targets, NULL, NULL);
Tay Ray Chuan26e1e0b2010-03-02 18:49:31 +0800703 walker_free(walker);
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700704
705 for (i = 0; i < nr_heads; i++)
706 free(targets[i]);
707 free(targets);
708
709 return ret ? error("Fetch failed.") : 0;
710}
711
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700712static int fetch_git(struct discovery *heads,
713 int nr_heads, struct ref **to_fetch)
714{
715 struct rpc_state rpc;
Ivan Todoroski81507492012-04-02 17:14:44 +0200716 struct strbuf preamble = STRBUF_INIT;
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700717 char *depth_arg = NULL;
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700718 int argc = 0, i, err;
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +0700719 const char *argv[17];
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700720
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700721 argv[argc++] = "fetch-pack";
722 argv[argc++] = "--stateless-rpc";
Ivan Todoroski81507492012-04-02 17:14:44 +0200723 argv[argc++] = "--stdin";
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700724 argv[argc++] = "--lock-pack";
725 if (options.followtags)
726 argv[argc++] = "--include-tag";
727 if (options.thin)
728 argv[argc++] = "--thin";
729 if (options.verbosity >= 3) {
730 argv[argc++] = "-v";
731 argv[argc++] = "-v";
732 }
Nguyễn Thái Ngọc Duy9ba38042013-07-21 15:18:05 +0700733 if (options.check_self_contained_and_connected)
734 argv[argc++] = "--check-self-contained-and-connected";
Nguyễn Thái Ngọc Duy16094882013-12-05 20:02:50 +0700735 if (options.cloning)
736 argv[argc++] = "--cloning";
737 if (options.update_shallow)
738 argv[argc++] = "--update-shallow";
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700739 if (!options.progress)
740 argv[argc++] = "--no-progress";
741 if (options.depth) {
742 struct strbuf buf = STRBUF_INIT;
743 strbuf_addf(&buf, "--depth=%lu", options.depth);
744 depth_arg = strbuf_detach(&buf, NULL);
745 argv[argc++] = depth_arg;
746 }
Jeff Kingb227bbc2013-09-28 04:35:25 -0400747 argv[argc++] = url.buf;
Ivan Todoroski81507492012-04-02 17:14:44 +0200748 argv[argc++] = NULL;
749
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700750 for (i = 0; i < nr_heads; i++) {
751 struct ref *ref = to_fetch[i];
752 if (!ref->name || !*ref->name)
753 die("cannot fetch by sha1 over smart http");
Nguyễn Thái Ngọc Duy58f2ed02013-12-05 20:02:49 +0700754 packet_buf_write(&preamble, "%s %s\n",
755 sha1_to_hex(ref->old_sha1), ref->name);
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700756 }
Ivan Todoroski81507492012-04-02 17:14:44 +0200757 packet_buf_flush(&preamble);
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700758
759 memset(&rpc, 0, sizeof(rpc));
760 rpc.service_name = "git-upload-pack",
761 rpc.argv = argv;
Ivan Todoroski81507492012-04-02 17:14:44 +0200762 rpc.stdin_preamble = &preamble;
Shawn O. Pearceb8538602009-10-30 17:47:43 -0700763 rpc.gzip_request = 1;
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700764
765 err = rpc_service(&rpc, heads);
766 if (rpc.result.len)
Jeff Kingcdf4fb82013-02-20 15:01:56 -0500767 write_or_die(1, rpc.result.buf, rpc.result.len);
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700768 strbuf_release(&rpc.result);
Ivan Todoroski81507492012-04-02 17:14:44 +0200769 strbuf_release(&preamble);
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700770 free(depth_arg);
771 return err;
772}
773
774static int fetch(int nr_heads, struct ref **to_fetch)
775{
Jeff King2a455202013-02-20 15:07:19 -0500776 struct discovery *d = discover_refs("git-upload-pack", 0);
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700777 if (d->proto_git)
778 return fetch_git(d, nr_heads, to_fetch);
779 else
780 return fetch_dumb(nr_heads, to_fetch);
781}
782
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700783static void parse_fetch(struct strbuf *buf)
784{
785 struct ref **to_fetch = NULL;
786 struct ref *list_head = NULL;
787 struct ref **list = &list_head;
788 int alloc_heads = 0, nr_heads = 0;
789
790 do {
Christian Couder59556542013-11-30 21:55:40 +0100791 if (starts_with(buf->buf, "fetch ")) {
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700792 char *p = buf->buf + strlen("fetch ");
793 char *name;
794 struct ref *ref;
795 unsigned char old_sha1[20];
796
797 if (strlen(p) < 40 || get_sha1_hex(p, old_sha1))
798 die("protocol error: expected sha/ref, got %s'", p);
799 if (p[40] == ' ')
800 name = p + 41;
801 else if (!p[40])
802 name = "";
803 else
804 die("protocol error: expected sha/ref, got %s'", p);
805
806 ref = alloc_ref(name);
807 hashcpy(ref->old_sha1, old_sha1);
808
809 *list = ref;
810 list = &ref->next;
811
812 ALLOC_GROW(to_fetch, nr_heads + 1, alloc_heads);
813 to_fetch[nr_heads++] = ref;
814 }
815 else
816 die("http transport does not support %s", buf->buf);
817
818 strbuf_reset(buf);
819 if (strbuf_getline(buf, stdin, '\n') == EOF)
820 return;
821 if (!*buf->buf)
822 break;
823 } while (1);
824
Shawn O. Pearce249b2002009-10-30 17:47:42 -0700825 if (fetch(nr_heads, to_fetch))
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700826 exit(128); /* error already reported */
827 free_refs(list_head);
828 free(to_fetch);
829
830 printf("\n");
831 fflush(stdout);
832 strbuf_reset(buf);
833}
834
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700835static int push_dav(int nr_spec, char **specs)
836{
837 const char **argv = xmalloc((10 + nr_spec) * sizeof(char*));
838 int argc = 0, i;
839
840 argv[argc++] = "http-push";
841 argv[argc++] = "--helper-status";
842 if (options.dry_run)
843 argv[argc++] = "--dry-run";
844 if (options.verbosity > 1)
845 argv[argc++] = "--verbose";
Jeff Kingb227bbc2013-09-28 04:35:25 -0400846 argv[argc++] = url.buf;
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700847 for (i = 0; i < nr_spec; i++)
848 argv[argc++] = specs[i];
849 argv[argc++] = NULL;
850
851 if (run_command_v_opt(argv, RUN_GIT_CMD))
852 die("git-%s failed", argv[0]);
853 free(argv);
854 return 0;
855}
856
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700857static int push_git(struct discovery *heads, int nr_spec, char **specs)
858{
859 struct rpc_state rpc;
Junio C Hamano222b1212013-07-08 22:16:31 -0700860 int i, err;
861 struct argv_array args;
Junio C Hamano05c1eb12013-08-02 15:14:50 -0700862 struct string_list_item *cas_option;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700863
Junio C Hamano222b1212013-07-08 22:16:31 -0700864 argv_array_init(&args);
865 argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
866 NULL);
867
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700868 if (options.thin)
Junio C Hamano222b1212013-07-08 22:16:31 -0700869 argv_array_push(&args, "--thin");
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700870 if (options.dry_run)
Junio C Hamano222b1212013-07-08 22:16:31 -0700871 argv_array_push(&args, "--dry-run");
Clemens Buchacherc207e342012-01-08 22:06:20 +0100872 if (options.verbosity == 0)
Junio C Hamano222b1212013-07-08 22:16:31 -0700873 argv_array_push(&args, "--quiet");
Clemens Buchacherc207e342012-01-08 22:06:20 +0100874 else if (options.verbosity > 1)
Junio C Hamano222b1212013-07-08 22:16:31 -0700875 argv_array_push(&args, "--verbose");
876 argv_array_push(&args, options.progress ? "--progress" : "--no-progress");
Junio C Hamano05c1eb12013-08-02 15:14:50 -0700877 for_each_string_list_item(cas_option, &cas_options)
Junio C Hamano2233ad42013-09-09 14:30:29 -0700878 argv_array_push(&args, cas_option->string);
Jeff Kingb227bbc2013-09-28 04:35:25 -0400879 argv_array_push(&args, url.buf);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700880 for (i = 0; i < nr_spec; i++)
Junio C Hamano222b1212013-07-08 22:16:31 -0700881 argv_array_push(&args, specs[i]);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700882
883 memset(&rpc, 0, sizeof(rpc));
884 rpc.service_name = "git-receive-pack",
Junio C Hamano222b1212013-07-08 22:16:31 -0700885 rpc.argv = args.argv;
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700886
887 err = rpc_service(&rpc, heads);
888 if (rpc.result.len)
Jeff Kingcdf4fb82013-02-20 15:01:56 -0500889 write_or_die(1, rpc.result.buf, rpc.result.len);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700890 strbuf_release(&rpc.result);
Junio C Hamano222b1212013-07-08 22:16:31 -0700891 argv_array_clear(&args);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700892 return err;
893}
894
895static int push(int nr_spec, char **specs)
896{
Jeff King2a455202013-02-20 15:07:19 -0500897 struct discovery *heads = discover_refs("git-receive-pack", 1);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700898 int ret;
899
900 if (heads->proto_git)
901 ret = push_git(heads, nr_spec, specs);
902 else
903 ret = push_dav(nr_spec, specs);
904 free_discovery(heads);
905 return ret;
906}
907
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700908static void parse_push(struct strbuf *buf)
909{
910 char **specs = NULL;
Shawn O. Pearce5238cbf2012-01-19 19:12:09 -0800911 int alloc_spec = 0, nr_spec = 0, i, ret;
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700912
913 do {
Christian Couder59556542013-11-30 21:55:40 +0100914 if (starts_with(buf->buf, "push ")) {
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700915 ALLOC_GROW(specs, nr_spec + 1, alloc_spec);
916 specs[nr_spec++] = xstrdup(buf->buf + 5);
917 }
918 else
919 die("http transport does not support %s", buf->buf);
920
921 strbuf_reset(buf);
922 if (strbuf_getline(buf, stdin, '\n') == EOF)
Jim Meyeringdc4cd762011-06-20 09:40:06 +0200923 goto free_specs;
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700924 if (!*buf->buf)
925 break;
926 } while (1);
927
Shawn O. Pearce5238cbf2012-01-19 19:12:09 -0800928 ret = push(nr_spec, specs);
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700929 printf("\n");
930 fflush(stdout);
Jim Meyeringdc4cd762011-06-20 09:40:06 +0200931
Shawn O. Pearce5238cbf2012-01-19 19:12:09 -0800932 if (ret)
933 exit(128); /* error already reported */
934
Jim Meyeringdc4cd762011-06-20 09:40:06 +0200935 free_specs:
936 for (i = 0; i < nr_spec; i++)
937 free(specs[i]);
938 free(specs);
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700939}
940
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400941int main(int argc, const char **argv)
942{
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400943 struct strbuf buf = STRBUF_INIT;
Daniel Barkalowa45d3d72009-11-03 21:52:35 -0500944 int nongit;
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400945
Johannes Sixtc6dfb392009-10-13 12:53:28 +0200946 git_extract_argv0_path(argv[0]);
Daniel Barkalowa45d3d72009-11-03 21:52:35 -0500947 setup_git_directory_gently(&nongit);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400948 if (argc < 2) {
949 fprintf(stderr, "Remote needed\n");
950 return 1;
951 }
952
Shawn O. Pearceef08ef92009-10-30 17:47:29 -0700953 options.verbosity = 1;
954 options.progress = !!isatty(2);
Shawn O. Pearcede1a2fd2009-10-30 17:47:41 -0700955 options.thin = 1;
Shawn O. Pearceef08ef92009-10-30 17:47:29 -0700956
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400957 remote = remote_get(argv[1]);
958
959 if (argc > 2) {
Jeff Kingb227bbc2013-09-28 04:35:25 -0400960 end_url_with_slash(&url, argv[2]);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400961 } else {
Jeff Kingb227bbc2013-09-28 04:35:25 -0400962 end_url_with_slash(&url, remote->url[0]);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400963 }
964
Jeff Kingb227bbc2013-09-28 04:35:25 -0400965 http_init(remote, url.buf, 0);
Tay Ray Chuan888692b2010-03-02 18:49:29 +0800966
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400967 do {
Sverre Rabbelier1843f0c2011-07-16 15:03:29 +0200968 if (strbuf_getline(&buf, stdin, '\n') == EOF) {
969 if (ferror(stdin))
970 fprintf(stderr, "Error reading command stream\n");
971 else
972 fprintf(stderr, "Unexpected end of command stream\n");
973 return 1;
974 }
975 if (buf.len == 0)
Daniel Barkalowa2d725b2009-08-05 01:01:56 -0400976 break;
Christian Couder59556542013-11-30 21:55:40 +0100977 if (starts_with(buf.buf, "fetch ")) {
Daniel Barkalowa45d3d72009-11-03 21:52:35 -0500978 if (nongit)
979 die("Fetch attempted without a local repo");
Shawn O. Pearce292ce462009-10-30 17:47:28 -0700980 parse_fetch(&buf);
981
Christian Couder59556542013-11-30 21:55:40 +0100982 } else if (!strcmp(buf.buf, "list") || starts_with(buf.buf, "list ")) {
Shawn O. Pearce97cc7bc2009-10-30 17:47:40 -0700983 int for_push = !!strstr(buf.buf + 4, "for-push");
984 output_refs(get_refs(for_push));
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700985
Christian Couder59556542013-11-30 21:55:40 +0100986 } else if (starts_with(buf.buf, "push ")) {
Shawn O. Pearceae4efe12009-10-30 17:47:30 -0700987 parse_push(&buf);
988
Christian Couder59556542013-11-30 21:55:40 +0100989 } else if (starts_with(buf.buf, "option ")) {
Shawn O. Pearceef08ef92009-10-30 17:47:29 -0700990 char *name = buf.buf + strlen("option ");
991 char *value = strchr(name, ' ');
992 int result;
993
994 if (value)
995 *value++ = '\0';
996 else
997 value = "true";
998
999 result = set_option(name, value);
1000 if (!result)
1001 printf("ok\n");
1002 else if (result < 0)
1003 printf("error invalid value\n");
1004 else
1005 printf("unsupported\n");
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001006 fflush(stdout);
Shawn O. Pearceef08ef92009-10-30 17:47:29 -07001007
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001008 } else if (!strcmp(buf.buf, "capabilities")) {
1009 printf("fetch\n");
Shawn O. Pearceef08ef92009-10-30 17:47:29 -07001010 printf("option\n");
Shawn O. Pearceae4efe12009-10-30 17:47:30 -07001011 printf("push\n");
Nguyễn Thái Ngọc Duy9ba38042013-07-21 15:18:05 +07001012 printf("check-connectivity\n");
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001013 printf("\n");
1014 fflush(stdout);
1015 } else {
Sverre Rabbelier1843f0c2011-07-16 15:03:29 +02001016 fprintf(stderr, "Unknown command '%s'\n", buf.buf);
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001017 return 1;
1018 }
1019 strbuf_reset(&buf);
1020 } while (1);
Tay Ray Chuan888692b2010-03-02 18:49:29 +08001021
1022 http_cleanup();
1023
Daniel Barkalowa2d725b2009-08-05 01:01:56 -04001024 return 0;
1025}