7 #include "run-command.h"
9 #include "string-list.h"
11 #include "argv-array.h"
12 #include "credential.h"
13 #include "sha1-array.h"
14 #include "send-pack.h"
16 static struct remote
*remote
;
17 /* always ends with a trailing slash */
18 static struct strbuf url
= STRBUF_INIT
;
24 struct string_list deepen_not
;
25 unsigned progress
: 1,
26 check_self_contained_and_connected
: 1,
32 /* One of the SEND_PACK_PUSH_CERT_* constants. */
36 static struct options options
;
37 static struct string_list cas_options
= STRING_LIST_INIT_DUP
;
39 static int set_option(const char *name
, const char *value
)
41 if (!strcmp(name
, "verbosity")) {
43 int v
= strtol(value
, &end
, 10);
44 if (value
== end
|| *end
)
46 options
.verbosity
= v
;
49 else if (!strcmp(name
, "progress")) {
50 if (!strcmp(value
, "true"))
52 else if (!strcmp(value
, "false"))
58 else if (!strcmp(name
, "depth")) {
60 unsigned long v
= strtoul(value
, &end
, 10);
61 if (value
== end
|| *end
)
66 else if (!strcmp(name
, "deepen-since")) {
67 options
.deepen_since
= xstrdup(value
);
70 else if (!strcmp(name
, "deepen-not")) {
71 string_list_append(&options
.deepen_not
, value
);
74 else if (!strcmp(name
, "deepen-relative")) {
75 if (!strcmp(value
, "true"))
76 options
.deepen_relative
= 1;
77 else if (!strcmp(value
, "false"))
78 options
.deepen_relative
= 0;
83 else if (!strcmp(name
, "followtags")) {
84 if (!strcmp(value
, "true"))
85 options
.followtags
= 1;
86 else if (!strcmp(value
, "false"))
87 options
.followtags
= 0;
92 else if (!strcmp(name
, "dry-run")) {
93 if (!strcmp(value
, "true"))
95 else if (!strcmp(value
, "false"))
101 else if (!strcmp(name
, "check-connectivity")) {
102 if (!strcmp(value
, "true"))
103 options
.check_self_contained_and_connected
= 1;
104 else if (!strcmp(value
, "false"))
105 options
.check_self_contained_and_connected
= 0;
110 else if (!strcmp(name
, "cas")) {
111 struct strbuf val
= STRBUF_INIT
;
112 strbuf_addf(&val
, "--" CAS_OPT_NAME
"=%s", value
);
113 string_list_append(&cas_options
, val
.buf
);
114 strbuf_release(&val
);
116 } else if (!strcmp(name
, "cloning")) {
117 if (!strcmp(value
, "true"))
119 else if (!strcmp(value
, "false"))
124 } else if (!strcmp(name
, "update-shallow")) {
125 if (!strcmp(value
, "true"))
126 options
.update_shallow
= 1;
127 else if (!strcmp(value
, "false"))
128 options
.update_shallow
= 0;
132 } else if (!strcmp(name
, "pushcert")) {
133 if (!strcmp(value
, "true"))
134 options
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
135 else if (!strcmp(value
, "false"))
136 options
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
137 else if (!strcmp(value
, "if-asked"))
138 options
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
143 #if LIBCURL_VERSION_NUM >= 0x070a08
144 } else if (!strcmp(name
, "family")) {
145 if (!strcmp(value
, "ipv4"))
146 git_curl_ipresolve
= CURL_IPRESOLVE_V4
;
147 else if (!strcmp(value
, "ipv6"))
148 git_curl_ipresolve
= CURL_IPRESOLVE_V6
;
149 else if (!strcmp(value
, "all"))
150 git_curl_ipresolve
= CURL_IPRESOLVE_WHATEVER
;
154 #endif /* LIBCURL_VERSION_NUM >= 0x070a08 */
156 return 1 /* unsupported */;
166 struct sha1_array shallow
;
167 unsigned proto_git
: 1;
169 static struct discovery
*last_discovery
;
171 static struct ref
*parse_git_refs(struct discovery
*heads
, int for_push
)
173 struct ref
*list
= NULL
;
174 get_remote_heads(-1, heads
->buf
, heads
->len
, &list
,
175 for_push
? REF_NORMAL
: 0, NULL
, &heads
->shallow
);
179 static struct ref
*parse_info_refs(struct discovery
*heads
)
181 char *data
, *start
, *mid
;
185 struct ref
*refs
= NULL
;
186 struct ref
*ref
= NULL
;
187 struct ref
*last_ref
= NULL
;
192 while (i
< heads
->len
) {
198 if (data
[i
] == '\n') {
199 if (mid
- start
!= 40)
200 die("%sinfo/refs not valid: is this a git repository?",
204 ref
= alloc_ref(ref_name
);
205 get_oid_hex(start
, &ref
->old_oid
);
209 last_ref
->next
= ref
;
216 ref
= alloc_ref("HEAD");
217 if (!http_fetch_ref(url
.buf
, ref
) &&
218 !resolve_remote_symref(ref
, refs
)) {
228 static void free_discovery(struct discovery
*d
)
231 if (d
== last_discovery
)
232 last_discovery
= NULL
;
233 free(d
->shallow
.sha1
);
240 static int show_http_message(struct strbuf
*type
, struct strbuf
*charset
,
246 * We only show text/plain parts, as other types are likely
247 * to be ugly to look at on the user's terminal.
249 if (strcmp(type
->buf
, "text/plain"))
252 strbuf_reencode(msg
, charset
->buf
, get_log_output_encoding());
260 eol
= strchrnul(p
, '\n');
261 fprintf(stderr
, "remote: %.*s\n", (int)(eol
- p
), p
);
267 static struct discovery
*discover_refs(const char *service
, int for_push
)
269 struct strbuf exp
= STRBUF_INIT
;
270 struct strbuf type
= STRBUF_INIT
;
271 struct strbuf charset
= STRBUF_INIT
;
272 struct strbuf buffer
= STRBUF_INIT
;
273 struct strbuf refs_url
= STRBUF_INIT
;
274 struct strbuf effective_url
= STRBUF_INIT
;
275 struct discovery
*last
= last_discovery
;
276 int http_ret
, maybe_smart
= 0;
277 struct http_get_options http_options
;
279 if (last
&& !strcmp(service
, last
->service
))
281 free_discovery(last
);
283 strbuf_addf(&refs_url
, "%sinfo/refs", url
.buf
);
284 if ((starts_with(url
.buf
, "http://") || starts_with(url
.buf
, "https://")) &&
285 git_env_bool("GIT_SMART_HTTP", 1)) {
287 if (!strchr(url
.buf
, '?'))
288 strbuf_addch(&refs_url
, '?');
290 strbuf_addch(&refs_url
, '&');
291 strbuf_addf(&refs_url
, "service=%s", service
);
294 memset(&http_options
, 0, sizeof(http_options
));
295 http_options
.content_type
= &type
;
296 http_options
.charset
= &charset
;
297 http_options
.effective_url
= &effective_url
;
298 http_options
.base_url
= &url
;
299 http_options
.initial_request
= 1;
300 http_options
.no_cache
= 1;
301 http_options
.keep_error
= 1;
303 http_ret
= http_get_strbuf(refs_url
.buf
, &buffer
, &http_options
);
307 case HTTP_MISSING_TARGET
:
308 show_http_message(&type
, &charset
, &buffer
);
309 die("repository '%s' not found", url
.buf
);
311 show_http_message(&type
, &charset
, &buffer
);
312 die("Authentication failed for '%s'", url
.buf
);
314 show_http_message(&type
, &charset
, &buffer
);
315 die("unable to access '%s': %s", url
.buf
, curl_errorstr
);
318 if (options
.verbosity
&& !starts_with(refs_url
.buf
, url
.buf
))
319 warning(_("redirecting to %s"), url
.buf
);
321 last
= xcalloc(1, sizeof(*last_discovery
));
322 last
->service
= service
;
323 last
->buf_alloc
= strbuf_detach(&buffer
, &last
->len
);
324 last
->buf
= last
->buf_alloc
;
326 strbuf_addf(&exp
, "application/x-%s-advertisement", service
);
328 (5 <= last
->len
&& last
->buf
[4] == '#') &&
329 !strbuf_cmp(&exp
, &type
)) {
333 * smart HTTP response; validate that the service
334 * pkt-line matches our request.
336 line
= packet_read_line_buf(&last
->buf
, &last
->len
, NULL
);
339 strbuf_addf(&exp
, "# service=%s", service
);
340 if (strcmp(line
, exp
.buf
))
341 die("invalid server response; got '%s'", line
);
342 strbuf_release(&exp
);
344 /* The header can include additional metadata lines, up
345 * until a packet flush marker. Ignore these now, but
346 * in the future we might start to scan them.
348 while (packet_read_line_buf(&last
->buf
, &last
->len
, NULL
))
355 last
->refs
= parse_git_refs(last
, for_push
);
357 last
->refs
= parse_info_refs(last
);
359 strbuf_release(&refs_url
);
360 strbuf_release(&exp
);
361 strbuf_release(&type
);
362 strbuf_release(&charset
);
363 strbuf_release(&effective_url
);
364 strbuf_release(&buffer
);
365 last_discovery
= last
;
369 static struct ref
*get_refs(int for_push
)
371 struct discovery
*heads
;
374 heads
= discover_refs("git-receive-pack", for_push
);
376 heads
= discover_refs("git-upload-pack", for_push
);
381 static void output_refs(struct ref
*refs
)
384 for (posn
= refs
; posn
; posn
= posn
->next
) {
386 printf("@%s %s\n", posn
->symref
, posn
->name
);
388 printf("%s %s\n", oid_to_hex(&posn
->old_oid
), posn
->name
);
395 const char *service_name
;
397 struct strbuf
*stdin_preamble
;
399 char *hdr_content_type
;
407 struct strbuf result
;
408 unsigned gzip_request
: 1;
409 unsigned initial_buffer
: 1;
412 static size_t rpc_out(void *ptr
, size_t eltsize
,
413 size_t nmemb
, void *buffer_
)
415 size_t max
= eltsize
* nmemb
;
416 struct rpc_state
*rpc
= buffer_
;
417 size_t avail
= rpc
->len
- rpc
->pos
;
420 rpc
->initial_buffer
= 0;
421 avail
= packet_read(rpc
->out
, NULL
, NULL
, rpc
->buf
, rpc
->alloc
, 0);
430 memcpy(ptr
, rpc
->buf
+ rpc
->pos
, avail
);
435 #ifndef NO_CURL_IOCTL
436 static curlioerr
rpc_ioctl(CURL
*handle
, int cmd
, void *clientp
)
438 struct rpc_state
*rpc
= clientp
;
444 case CURLIOCMD_RESTARTREAD
:
445 if (rpc
->initial_buffer
) {
449 error("unable to rewind rpc post data - try increasing http.postBuffer");
450 return CURLIOE_FAILRESTART
;
453 return CURLIOE_UNKNOWNCMD
;
458 static size_t rpc_in(char *ptr
, size_t eltsize
,
459 size_t nmemb
, void *buffer_
)
461 size_t size
= eltsize
* nmemb
;
462 struct rpc_state
*rpc
= buffer_
;
463 write_or_die(rpc
->in
, ptr
, size
);
467 static int run_slot(struct active_request_slot
*slot
,
468 struct slot_results
*results
)
471 struct slot_results results_buf
;
474 results
= &results_buf
;
476 err
= run_one_slot(slot
, results
);
478 if (err
!= HTTP_OK
&& err
!= HTTP_REAUTH
) {
479 struct strbuf msg
= STRBUF_INIT
;
480 if (results
->http_code
&& results
->http_code
!= 200)
481 strbuf_addf(&msg
, "HTTP %ld", results
->http_code
);
482 if (results
->curl_result
!= CURLE_OK
) {
484 strbuf_addch(&msg
, ' ');
485 strbuf_addf(&msg
, "curl %d", results
->curl_result
);
486 if (curl_errorstr
[0]) {
487 strbuf_addch(&msg
, ' ');
488 strbuf_addstr(&msg
, curl_errorstr
);
491 error("RPC failed; %s", msg
.buf
);
492 strbuf_release(&msg
);
498 static int probe_rpc(struct rpc_state
*rpc
, struct slot_results
*results
)
500 struct active_request_slot
*slot
;
501 struct curl_slist
*headers
= http_copy_default_headers();
502 struct strbuf buf
= STRBUF_INIT
;
505 slot
= get_active_slot();
507 headers
= curl_slist_append(headers
, rpc
->hdr_content_type
);
508 headers
= curl_slist_append(headers
, rpc
->hdr_accept
);
510 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 0);
511 curl_easy_setopt(slot
->curl
, CURLOPT_POST
, 1);
512 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, rpc
->service_url
);
513 curl_easy_setopt(slot
->curl
, CURLOPT_ENCODING
, NULL
);
514 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDS
, "0000");
515 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDSIZE
, 4);
516 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, headers
);
517 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
518 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &buf
);
520 err
= run_slot(slot
, results
);
522 curl_slist_free_all(headers
);
523 strbuf_release(&buf
);
527 static int post_rpc(struct rpc_state
*rpc
)
529 struct active_request_slot
*slot
;
530 struct curl_slist
*headers
= http_copy_default_headers();
531 int use_gzip
= rpc
->gzip_request
;
532 char *gzip_body
= NULL
;
533 size_t gzip_size
= 0;
534 int err
, large_request
= 0;
535 int needs_100_continue
= 0;
537 /* Try to load the entire request, if we can fit it into the
538 * allocated buffer space we can use HTTP/1.0 and avoid the
539 * chunked encoding mess.
542 size_t left
= rpc
->alloc
- rpc
->len
;
543 char *buf
= rpc
->buf
+ rpc
->len
;
546 if (left
< LARGE_PACKET_MAX
) {
552 n
= packet_read(rpc
->out
, NULL
, NULL
, buf
, left
, 0);
559 struct slot_results results
;
562 err
= probe_rpc(rpc
, &results
);
563 if (err
== HTTP_REAUTH
)
564 credential_fill(&http_auth
);
565 } while (err
== HTTP_REAUTH
);
569 if (results
.auth_avail
& CURLAUTH_GSSNEGOTIATE
)
570 needs_100_continue
= 1;
573 headers
= curl_slist_append(headers
, rpc
->hdr_content_type
);
574 headers
= curl_slist_append(headers
, rpc
->hdr_accept
);
575 headers
= curl_slist_append(headers
, needs_100_continue
?
576 "Expect: 100-continue" : "Expect:");
579 slot
= get_active_slot();
581 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 0);
582 curl_easy_setopt(slot
->curl
, CURLOPT_POST
, 1);
583 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, rpc
->service_url
);
584 curl_easy_setopt(slot
->curl
, CURLOPT_ENCODING
, "gzip");
587 /* The request body is large and the size cannot be predicted.
588 * We must use chunked encoding to send it.
590 headers
= curl_slist_append(headers
, "Transfer-Encoding: chunked");
591 rpc
->initial_buffer
= 1;
592 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, rpc_out
);
593 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, rpc
);
594 #ifndef NO_CURL_IOCTL
595 curl_easy_setopt(slot
->curl
, CURLOPT_IOCTLFUNCTION
, rpc_ioctl
);
596 curl_easy_setopt(slot
->curl
, CURLOPT_IOCTLDATA
, rpc
);
598 if (options
.verbosity
> 1) {
599 fprintf(stderr
, "POST %s (chunked)\n", rpc
->service_name
);
603 } else if (gzip_body
) {
605 * If we are looping to retry authentication, then the previous
606 * run will have set up the headers and gzip buffer already,
607 * and we just need to send it.
609 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDS
, gzip_body
);
610 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDSIZE
, gzip_size
);
612 } else if (use_gzip
&& 1024 < rpc
->len
) {
613 /* The client backend isn't giving us compressed data so
614 * we can try to deflate it ourselves, this may save on.
620 git_deflate_init_gzip(&stream
, Z_BEST_COMPRESSION
);
621 gzip_size
= git_deflate_bound(&stream
, rpc
->len
);
622 gzip_body
= xmalloc(gzip_size
);
624 stream
.next_in
= (unsigned char *)rpc
->buf
;
625 stream
.avail_in
= rpc
->len
;
626 stream
.next_out
= (unsigned char *)gzip_body
;
627 stream
.avail_out
= gzip_size
;
629 ret
= git_deflate(&stream
, Z_FINISH
);
630 if (ret
!= Z_STREAM_END
)
631 die("cannot deflate request; zlib deflate error %d", ret
);
633 ret
= git_deflate_end_gently(&stream
);
635 die("cannot deflate request; zlib end error %d", ret
);
637 gzip_size
= stream
.total_out
;
639 headers
= curl_slist_append(headers
, "Content-Encoding: gzip");
640 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDS
, gzip_body
);
641 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDSIZE
, gzip_size
);
643 if (options
.verbosity
> 1) {
644 fprintf(stderr
, "POST %s (gzip %lu to %lu bytes)\n",
646 (unsigned long)rpc
->len
, (unsigned long)gzip_size
);
650 /* We know the complete request size in advance, use the
651 * more normal Content-Length approach.
653 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDS
, rpc
->buf
);
654 curl_easy_setopt(slot
->curl
, CURLOPT_POSTFIELDSIZE
, rpc
->len
);
655 if (options
.verbosity
> 1) {
656 fprintf(stderr
, "POST %s (%lu bytes)\n",
657 rpc
->service_name
, (unsigned long)rpc
->len
);
662 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, headers
);
663 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, rpc_in
);
664 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, rpc
);
666 err
= run_slot(slot
, NULL
);
667 if (err
== HTTP_REAUTH
&& !large_request
) {
668 credential_fill(&http_auth
);
674 curl_slist_free_all(headers
);
679 static int rpc_service(struct rpc_state
*rpc
, struct discovery
*heads
)
681 const char *svc
= rpc
->service_name
;
682 struct strbuf buf
= STRBUF_INIT
;
683 struct strbuf
*preamble
= rpc
->stdin_preamble
;
684 struct child_process client
= CHILD_PROCESS_INIT
;
690 client
.argv
= rpc
->argv
;
691 if (start_command(&client
))
694 write_or_die(client
.in
, preamble
->buf
, preamble
->len
);
696 write_or_die(client
.in
, heads
->buf
, heads
->len
);
698 rpc
->alloc
= http_post_buffer
;
699 rpc
->buf
= xmalloc(rpc
->alloc
);
701 rpc
->out
= client
.out
;
702 strbuf_init(&rpc
->result
, 0);
704 strbuf_addf(&buf
, "%s%s", url
.buf
, svc
);
705 rpc
->service_url
= strbuf_detach(&buf
, NULL
);
707 strbuf_addf(&buf
, "Content-Type: application/x-%s-request", svc
);
708 rpc
->hdr_content_type
= strbuf_detach(&buf
, NULL
);
710 strbuf_addf(&buf
, "Accept: application/x-%s-result", svc
);
711 rpc
->hdr_accept
= strbuf_detach(&buf
, NULL
);
714 int n
= packet_read(rpc
->out
, NULL
, NULL
, rpc
->buf
, rpc
->alloc
, 0);
719 err
|= post_rpc(rpc
);
725 strbuf_read(&rpc
->result
, client
.out
, 0);
729 if (xread(client
.out
, buf
, sizeof(buf
)) <= 0)
736 err
|= finish_command(&client
);
737 free(rpc
->service_url
);
738 free(rpc
->hdr_content_type
);
739 free(rpc
->hdr_accept
);
741 strbuf_release(&buf
);
745 static int fetch_dumb(int nr_heads
, struct ref
**to_fetch
)
747 struct walker
*walker
;
751 ALLOC_ARRAY(targets
, nr_heads
);
752 if (options
.depth
|| options
.deepen_since
)
753 die("dumb http transport does not support shallow capabilities");
754 for (i
= 0; i
< nr_heads
; i
++)
755 targets
[i
] = xstrdup(oid_to_hex(&to_fetch
[i
]->old_oid
));
757 walker
= get_http_walker(url
.buf
);
759 walker
->get_tree
= 1;
760 walker
->get_history
= 1;
761 walker
->get_verbosely
= options
.verbosity
>= 3;
762 walker
->get_recover
= 0;
763 ret
= walker_fetch(walker
, nr_heads
, targets
, NULL
, NULL
);
766 for (i
= 0; i
< nr_heads
; i
++)
770 return ret
? error("fetch failed.") : 0;
773 static int fetch_git(struct discovery
*heads
,
774 int nr_heads
, struct ref
**to_fetch
)
776 struct rpc_state rpc
;
777 struct strbuf preamble
= STRBUF_INIT
;
779 struct argv_array args
= ARGV_ARRAY_INIT
;
781 argv_array_pushl(&args
, "fetch-pack", "--stateless-rpc",
782 "--stdin", "--lock-pack", NULL
);
783 if (options
.followtags
)
784 argv_array_push(&args
, "--include-tag");
786 argv_array_push(&args
, "--thin");
787 if (options
.verbosity
>= 3)
788 argv_array_pushl(&args
, "-v", "-v", NULL
);
789 if (options
.check_self_contained_and_connected
)
790 argv_array_push(&args
, "--check-self-contained-and-connected");
792 argv_array_push(&args
, "--cloning");
793 if (options
.update_shallow
)
794 argv_array_push(&args
, "--update-shallow");
795 if (!options
.progress
)
796 argv_array_push(&args
, "--no-progress");
798 argv_array_pushf(&args
, "--depth=%lu", options
.depth
);
799 if (options
.deepen_since
)
800 argv_array_pushf(&args
, "--shallow-since=%s", options
.deepen_since
);
801 for (i
= 0; i
< options
.deepen_not
.nr
; i
++)
802 argv_array_pushf(&args
, "--shallow-exclude=%s",
803 options
.deepen_not
.items
[i
].string
);
804 if (options
.deepen_relative
&& options
.depth
)
805 argv_array_push(&args
, "--deepen-relative");
806 argv_array_push(&args
, url
.buf
);
808 for (i
= 0; i
< nr_heads
; i
++) {
809 struct ref
*ref
= to_fetch
[i
];
811 die("cannot fetch by sha1 over smart http");
812 packet_buf_write(&preamble
, "%s %s\n",
813 oid_to_hex(&ref
->old_oid
), ref
->name
);
815 packet_buf_flush(&preamble
);
817 memset(&rpc
, 0, sizeof(rpc
));
818 rpc
.service_name
= "git-upload-pack",
819 rpc
.argv
= args
.argv
;
820 rpc
.stdin_preamble
= &preamble
;
821 rpc
.gzip_request
= 1;
823 err
= rpc_service(&rpc
, heads
);
825 write_or_die(1, rpc
.result
.buf
, rpc
.result
.len
);
826 strbuf_release(&rpc
.result
);
827 strbuf_release(&preamble
);
828 argv_array_clear(&args
);
832 static int fetch(int nr_heads
, struct ref
**to_fetch
)
834 struct discovery
*d
= discover_refs("git-upload-pack", 0);
836 return fetch_git(d
, nr_heads
, to_fetch
);
838 return fetch_dumb(nr_heads
, to_fetch
);
841 static void parse_fetch(struct strbuf
*buf
)
843 struct ref
**to_fetch
= NULL
;
844 struct ref
*list_head
= NULL
;
845 struct ref
**list
= &list_head
;
846 int alloc_heads
= 0, nr_heads
= 0;
850 if (skip_prefix(buf
->buf
, "fetch ", &p
)) {
853 struct object_id old_oid
;
855 if (get_oid_hex(p
, &old_oid
))
856 die("protocol error: expected sha/ref, got %s'", p
);
857 if (p
[GIT_SHA1_HEXSZ
] == ' ')
858 name
= p
+ GIT_SHA1_HEXSZ
+ 1;
859 else if (!p
[GIT_SHA1_HEXSZ
])
862 die("protocol error: expected sha/ref, got %s'", p
);
864 ref
= alloc_ref(name
);
865 oidcpy(&ref
->old_oid
, &old_oid
);
870 ALLOC_GROW(to_fetch
, nr_heads
+ 1, alloc_heads
);
871 to_fetch
[nr_heads
++] = ref
;
874 die("http transport does not support %s", buf
->buf
);
877 if (strbuf_getline_lf(buf
, stdin
) == EOF
)
883 if (fetch(nr_heads
, to_fetch
))
884 exit(128); /* error already reported */
885 free_refs(list_head
);
893 static int push_dav(int nr_spec
, char **specs
)
895 struct child_process child
= CHILD_PROCESS_INIT
;
899 argv_array_push(&child
.args
, "http-push");
900 argv_array_push(&child
.args
, "--helper-status");
902 argv_array_push(&child
.args
, "--dry-run");
903 if (options
.verbosity
> 1)
904 argv_array_push(&child
.args
, "--verbose");
905 argv_array_push(&child
.args
, url
.buf
);
906 for (i
= 0; i
< nr_spec
; i
++)
907 argv_array_push(&child
.args
, specs
[i
]);
909 if (run_command(&child
))
910 die("git-http-push failed");
914 static int push_git(struct discovery
*heads
, int nr_spec
, char **specs
)
916 struct rpc_state rpc
;
918 struct argv_array args
;
919 struct string_list_item
*cas_option
;
920 struct strbuf preamble
= STRBUF_INIT
;
922 argv_array_init(&args
);
923 argv_array_pushl(&args
, "send-pack", "--stateless-rpc", "--helper-status",
927 argv_array_push(&args
, "--thin");
929 argv_array_push(&args
, "--dry-run");
930 if (options
.push_cert
== SEND_PACK_PUSH_CERT_ALWAYS
)
931 argv_array_push(&args
, "--signed=yes");
932 else if (options
.push_cert
== SEND_PACK_PUSH_CERT_IF_ASKED
)
933 argv_array_push(&args
, "--signed=if-asked");
934 if (options
.verbosity
== 0)
935 argv_array_push(&args
, "--quiet");
936 else if (options
.verbosity
> 1)
937 argv_array_push(&args
, "--verbose");
938 argv_array_push(&args
, options
.progress
? "--progress" : "--no-progress");
939 for_each_string_list_item(cas_option
, &cas_options
)
940 argv_array_push(&args
, cas_option
->string
);
941 argv_array_push(&args
, url
.buf
);
943 argv_array_push(&args
, "--stdin");
944 for (i
= 0; i
< nr_spec
; i
++)
945 packet_buf_write(&preamble
, "%s\n", specs
[i
]);
946 packet_buf_flush(&preamble
);
948 memset(&rpc
, 0, sizeof(rpc
));
949 rpc
.service_name
= "git-receive-pack",
950 rpc
.argv
= args
.argv
;
951 rpc
.stdin_preamble
= &preamble
;
953 err
= rpc_service(&rpc
, heads
);
955 write_or_die(1, rpc
.result
.buf
, rpc
.result
.len
);
956 strbuf_release(&rpc
.result
);
957 strbuf_release(&preamble
);
958 argv_array_clear(&args
);
962 static int push(int nr_spec
, char **specs
)
964 struct discovery
*heads
= discover_refs("git-receive-pack", 1);
967 if (heads
->proto_git
)
968 ret
= push_git(heads
, nr_spec
, specs
);
970 ret
= push_dav(nr_spec
, specs
);
971 free_discovery(heads
);
975 static void parse_push(struct strbuf
*buf
)
978 int alloc_spec
= 0, nr_spec
= 0, i
, ret
;
981 if (starts_with(buf
->buf
, "push ")) {
982 ALLOC_GROW(specs
, nr_spec
+ 1, alloc_spec
);
983 specs
[nr_spec
++] = xstrdup(buf
->buf
+ 5);
986 die("http transport does not support %s", buf
->buf
);
989 if (strbuf_getline_lf(buf
, stdin
) == EOF
)
995 ret
= push(nr_spec
, specs
);
1000 exit(128); /* error already reported */
1003 for (i
= 0; i
< nr_spec
; i
++)
1008 int cmd_main(int argc
, const char **argv
)
1010 struct strbuf buf
= STRBUF_INIT
;
1013 setup_git_directory_gently(&nongit
);
1015 error("remote-curl: usage: git remote-curl <remote> [<url>]");
1019 options
.verbosity
= 1;
1020 options
.progress
= !!isatty(2);
1022 string_list_init(&options
.deepen_not
, 1);
1024 remote
= remote_get(argv
[1]);
1027 end_url_with_slash(&url
, argv
[2]);
1029 end_url_with_slash(&url
, remote
->url
[0]);
1032 http_init(remote
, url
.buf
, 0);
1037 if (strbuf_getline_lf(&buf
, stdin
) == EOF
) {
1039 error("remote-curl: error reading command stream from git");
1044 if (starts_with(buf
.buf
, "fetch ")) {
1046 die("remote-curl: fetch attempted without a local repo");
1049 } else if (!strcmp(buf
.buf
, "list") || starts_with(buf
.buf
, "list ")) {
1050 int for_push
= !!strstr(buf
.buf
+ 4, "for-push");
1051 output_refs(get_refs(for_push
));
1053 } else if (starts_with(buf
.buf
, "push ")) {
1056 } else if (skip_prefix(buf
.buf
, "option ", &arg
)) {
1057 char *value
= strchr(arg
, ' ');
1065 result
= set_option(arg
, value
);
1068 else if (result
< 0)
1069 printf("error invalid value\n");
1071 printf("unsupported\n");
1074 } else if (!strcmp(buf
.buf
, "capabilities")) {
1078 printf("check-connectivity\n");
1082 error("remote-curl: unknown command '%s' from git", buf
.buf
);