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Commit | Line | Data |
---|---|---|
6eb7ed54 DB |
1 | #include "cache.h" |
2 | #include "commit.h" | |
271421cd | 3 | #include "pack.h" |
215a7ad1 | 4 | #include "fetch.h" |
29508e1e | 5 | #include "http.h" |
7baa3e86 | 6 | |
49a0f240 NH |
7 | #define PREV_BUF_SIZE 4096 |
8 | #define RANGE_HEADER_SIZE 30 | |
9 | ||
96f1e58f | 10 | static int commits_on_stdin; |
8e29f6a0 | 11 | |
acc075a8 | 12 | static int got_alternates = -1; |
96f1e58f | 13 | static int corrupt_object_found; |
1d389ab6 | 14 | |
1db69b57 | 15 | static struct curl_slist *no_pragma_header; |
6eb7ed54 | 16 | |
b3661567 DB |
17 | struct alt_base |
18 | { | |
2afea3bc | 19 | char *base; |
b3661567 DB |
20 | int got_indices; |
21 | struct packed_git *packs; | |
22 | struct alt_base *next; | |
23 | }; | |
24 | ||
96f1e58f | 25 | static struct alt_base *alt; |
6eb7ed54 | 26 | |
e388ab74 | 27 | enum object_request_state { |
1d389ab6 NH |
28 | WAITING, |
29 | ABORTED, | |
30 | ACTIVE, | |
31 | COMPLETE, | |
32 | }; | |
6eb7ed54 | 33 | |
e388ab74 | 34 | struct object_request |
1d389ab6 NH |
35 | { |
36 | unsigned char sha1[20]; | |
37 | struct alt_base *repo; | |
38 | char *url; | |
39 | char filename[PATH_MAX]; | |
40 | char tmpfile[PATH_MAX]; | |
41 | int local; | |
e388ab74 | 42 | enum object_request_state state; |
1d389ab6 NH |
43 | CURLcode curl_result; |
44 | char errorstr[CURL_ERROR_SIZE]; | |
45 | long http_code; | |
46 | unsigned char real_sha1[20]; | |
47 | SHA_CTX c; | |
48 | z_stream stream; | |
49 | int zret; | |
50 | int rename; | |
51 | struct active_request_slot *slot; | |
e388ab74 | 52 | struct object_request *next; |
1d389ab6 NH |
53 | }; |
54 | ||
e388ab74 | 55 | struct alternates_request { |
8e29f6a0 | 56 | const char *base; |
acc075a8 NH |
57 | char *url; |
58 | struct buffer *buffer; | |
59 | struct active_request_slot *slot; | |
60 | int http_specific; | |
61 | }; | |
62 | ||
96f1e58f | 63 | static struct object_request *object_queue_head; |
bc8f2652 | 64 | |
182005b9 DB |
65 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
66 | void *data) | |
67 | { | |
bf0f910d | 68 | unsigned char expn[4096]; |
6eb7ed54 DB |
69 | size_t size = eltsize * nmemb; |
70 | int posn = 0; | |
e388ab74 | 71 | struct object_request *obj_req = (struct object_request *)data; |
6eb7ed54 | 72 | do { |
93822c22 | 73 | ssize_t retval = xwrite(obj_req->local, |
1d7f171c | 74 | (char *) ptr + posn, size - posn); |
6eb7ed54 DB |
75 | if (retval < 0) |
76 | return posn; | |
77 | posn += retval; | |
78 | } while (posn < size); | |
79 | ||
e388ab74 NH |
80 | obj_req->stream.avail_in = size; |
81 | obj_req->stream.next_in = ptr; | |
6eb7ed54 | 82 | do { |
e388ab74 NH |
83 | obj_req->stream.next_out = expn; |
84 | obj_req->stream.avail_out = sizeof(expn); | |
85 | obj_req->zret = inflate(&obj_req->stream, Z_SYNC_FLUSH); | |
86 | SHA1_Update(&obj_req->c, expn, | |
87 | sizeof(expn) - obj_req->stream.avail_out); | |
88 | } while (obj_req->stream.avail_in && obj_req->zret == Z_OK); | |
1d389ab6 | 89 | data_received++; |
6eb7ed54 DB |
90 | return size; |
91 | } | |
92 | ||
be4a015b JH |
93 | static int missing__target(int code, int result) |
94 | { | |
95 | return /* file:// URL -- do we ever use one??? */ | |
96 | (result == CURLE_FILE_COULDNT_READ_FILE) || | |
97 | /* http:// and https:// URL */ | |
4adffc7b JH |
98 | (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) || |
99 | /* ftp:// URL */ | |
100 | (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE) | |
be4a015b JH |
101 | ; |
102 | } | |
103 | ||
104 | #define missing_target(a) missing__target((a)->http_code, (a)->curl_result) | |
105 | ||
8e29f6a0 | 106 | static void fetch_alternates(const char *base); |
1d389ab6 | 107 | |
29508e1e | 108 | static void process_object_response(void *callback_data); |
1d389ab6 | 109 | |
e388ab74 | 110 | static void start_object_request(struct object_request *obj_req) |
1d389ab6 | 111 | { |
e388ab74 | 112 | char *hex = sha1_to_hex(obj_req->sha1); |
1d389ab6 NH |
113 | char prevfile[PATH_MAX]; |
114 | char *url; | |
115 | char *posn; | |
116 | int prevlocal; | |
117 | unsigned char prev_buf[PREV_BUF_SIZE]; | |
118 | ssize_t prev_read = 0; | |
119 | long prev_posn = 0; | |
120 | char range[RANGE_HEADER_SIZE]; | |
121 | struct curl_slist *range_header = NULL; | |
122 | struct active_request_slot *slot; | |
123 | ||
e388ab74 | 124 | snprintf(prevfile, sizeof(prevfile), "%s.prev", obj_req->filename); |
1d389ab6 | 125 | unlink(prevfile); |
e388ab74 NH |
126 | rename(obj_req->tmpfile, prevfile); |
127 | unlink(obj_req->tmpfile); | |
1d389ab6 | 128 | |
e388ab74 NH |
129 | if (obj_req->local != -1) |
130 | error("fd leakage in start: %d", obj_req->local); | |
131 | obj_req->local = open(obj_req->tmpfile, | |
1d389ab6 | 132 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
b721e01f JH |
133 | /* This could have failed due to the "lazy directory creation"; |
134 | * try to mkdir the last path component. | |
135 | */ | |
e388ab74 NH |
136 | if (obj_req->local < 0 && errno == ENOENT) { |
137 | char *dir = strrchr(obj_req->tmpfile, '/'); | |
b721e01f JH |
138 | if (dir) { |
139 | *dir = 0; | |
e388ab74 | 140 | mkdir(obj_req->tmpfile, 0777); |
b721e01f JH |
141 | *dir = '/'; |
142 | } | |
e388ab74 | 143 | obj_req->local = open(obj_req->tmpfile, |
b721e01f JH |
144 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
145 | } | |
146 | ||
e388ab74 NH |
147 | if (obj_req->local < 0) { |
148 | obj_req->state = ABORTED; | |
bd2afde8 | 149 | error("Couldn't create temporary file %s for %s: %s", |
e388ab74 | 150 | obj_req->tmpfile, obj_req->filename, strerror(errno)); |
1d389ab6 NH |
151 | return; |
152 | } | |
153 | ||
e388ab74 | 154 | memset(&obj_req->stream, 0, sizeof(obj_req->stream)); |
1d389ab6 | 155 | |
e388ab74 | 156 | inflateInit(&obj_req->stream); |
1d389ab6 | 157 | |
e388ab74 | 158 | SHA1_Init(&obj_req->c); |
1d389ab6 | 159 | |
2afea3bc GP |
160 | url = xmalloc(strlen(obj_req->repo->base) + 51); |
161 | obj_req->url = xmalloc(strlen(obj_req->repo->base) + 51); | |
e388ab74 NH |
162 | strcpy(url, obj_req->repo->base); |
163 | posn = url + strlen(obj_req->repo->base); | |
2afea3bc GP |
164 | strcpy(posn, "/objects/"); |
165 | posn += 9; | |
1d389ab6 NH |
166 | memcpy(posn, hex, 2); |
167 | posn += 2; | |
168 | *(posn++) = '/'; | |
169 | strcpy(posn, hex + 2); | |
e388ab74 | 170 | strcpy(obj_req->url, url); |
1d389ab6 NH |
171 | |
172 | /* If a previous temp file is present, process what was already | |
173 | fetched. */ | |
174 | prevlocal = open(prevfile, O_RDONLY); | |
175 | if (prevlocal != -1) { | |
176 | do { | |
93d26e4c | 177 | prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE); |
1d389ab6 NH |
178 | if (prev_read>0) { |
179 | if (fwrite_sha1_file(prev_buf, | |
180 | 1, | |
181 | prev_read, | |
e388ab74 | 182 | obj_req) == prev_read) { |
1d389ab6 NH |
183 | prev_posn += prev_read; |
184 | } else { | |
185 | prev_read = -1; | |
186 | } | |
187 | } | |
188 | } while (prev_read > 0); | |
189 | close(prevlocal); | |
190 | } | |
191 | unlink(prevfile); | |
192 | ||
193 | /* Reset inflate/SHA1 if there was an error reading the previous temp | |
194 | file; also rewind to the beginning of the local file. */ | |
195 | if (prev_read == -1) { | |
e388ab74 NH |
196 | memset(&obj_req->stream, 0, sizeof(obj_req->stream)); |
197 | inflateInit(&obj_req->stream); | |
198 | SHA1_Init(&obj_req->c); | |
1d389ab6 NH |
199 | if (prev_posn>0) { |
200 | prev_posn = 0; | |
b5da2467 | 201 | lseek(obj_req->local, 0, SEEK_SET); |
e388ab74 | 202 | ftruncate(obj_req->local, 0); |
1d389ab6 NH |
203 | } |
204 | } | |
205 | ||
206 | slot = get_active_slot(); | |
29508e1e | 207 | slot->callback_func = process_object_response; |
e388ab74 NH |
208 | slot->callback_data = obj_req; |
209 | obj_req->slot = slot; | |
29508e1e | 210 | |
e388ab74 | 211 | curl_easy_setopt(slot->curl, CURLOPT_FILE, obj_req); |
1d389ab6 | 212 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); |
e388ab74 | 213 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, obj_req->errorstr); |
1d389ab6 | 214 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
03126006 | 215 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
216 | |
217 | /* If we have successfully processed data from a previous fetch | |
218 | attempt, only fetch the data we don't already have. */ | |
219 | if (prev_posn>0) { | |
220 | if (get_verbosely) | |
221 | fprintf(stderr, | |
222 | "Resuming fetch of object %s at byte %ld\n", | |
223 | hex, prev_posn); | |
224 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
225 | range_header = curl_slist_append(range_header, range); | |
226 | curl_easy_setopt(slot->curl, | |
227 | CURLOPT_HTTPHEADER, range_header); | |
228 | } | |
229 | ||
a7a8d378 | 230 | /* Try to get the request started, abort the request on error */ |
e388ab74 | 231 | obj_req->state = ACTIVE; |
1d389ab6 | 232 | if (!start_active_slot(slot)) { |
e388ab74 NH |
233 | obj_req->state = ABORTED; |
234 | obj_req->slot = NULL; | |
235 | close(obj_req->local); obj_req->local = -1; | |
236 | free(obj_req->url); | |
237 | return; | |
1d389ab6 | 238 | } |
1d389ab6 NH |
239 | } |
240 | ||
e388ab74 | 241 | static void finish_object_request(struct object_request *obj_req) |
1d389ab6 | 242 | { |
50496b21 NH |
243 | struct stat st; |
244 | ||
e388ab74 NH |
245 | fchmod(obj_req->local, 0444); |
246 | close(obj_req->local); obj_req->local = -1; | |
1d389ab6 | 247 | |
e388ab74 | 248 | if (obj_req->http_code == 416) { |
1d389ab6 | 249 | fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); |
e388ab74 NH |
250 | } else if (obj_req->curl_result != CURLE_OK) { |
251 | if (stat(obj_req->tmpfile, &st) == 0) | |
50496b21 | 252 | if (st.st_size == 0) |
e388ab74 | 253 | unlink(obj_req->tmpfile); |
1d389ab6 NH |
254 | return; |
255 | } | |
256 | ||
e388ab74 NH |
257 | inflateEnd(&obj_req->stream); |
258 | SHA1_Final(obj_req->real_sha1, &obj_req->c); | |
259 | if (obj_req->zret != Z_STREAM_END) { | |
260 | unlink(obj_req->tmpfile); | |
1d389ab6 NH |
261 | return; |
262 | } | |
a89fccd2 | 263 | if (hashcmp(obj_req->sha1, obj_req->real_sha1)) { |
e388ab74 | 264 | unlink(obj_req->tmpfile); |
1d389ab6 NH |
265 | return; |
266 | } | |
e388ab74 NH |
267 | obj_req->rename = |
268 | move_temp_to_file(obj_req->tmpfile, obj_req->filename); | |
1d389ab6 | 269 | |
e388ab74 NH |
270 | if (obj_req->rename == 0) |
271 | pull_say("got %s\n", sha1_to_hex(obj_req->sha1)); | |
1d389ab6 NH |
272 | } |
273 | ||
29508e1e NH |
274 | static void process_object_response(void *callback_data) |
275 | { | |
e388ab74 NH |
276 | struct object_request *obj_req = |
277 | (struct object_request *)callback_data; | |
29508e1e | 278 | |
e388ab74 NH |
279 | obj_req->curl_result = obj_req->slot->curl_result; |
280 | obj_req->http_code = obj_req->slot->http_code; | |
281 | obj_req->slot = NULL; | |
282 | obj_req->state = COMPLETE; | |
29508e1e NH |
283 | |
284 | /* Use alternates if necessary */ | |
be4a015b | 285 | if (missing_target(obj_req)) { |
29508e1e | 286 | fetch_alternates(alt->base); |
e388ab74 NH |
287 | if (obj_req->repo->next != NULL) { |
288 | obj_req->repo = | |
289 | obj_req->repo->next; | |
290 | close(obj_req->local); | |
291 | obj_req->local = -1; | |
292 | start_object_request(obj_req); | |
29508e1e NH |
293 | return; |
294 | } | |
295 | } | |
296 | ||
e388ab74 | 297 | finish_object_request(obj_req); |
29508e1e NH |
298 | } |
299 | ||
e388ab74 | 300 | static void release_object_request(struct object_request *obj_req) |
1d389ab6 | 301 | { |
e388ab74 | 302 | struct object_request *entry = object_queue_head; |
1d389ab6 | 303 | |
e388ab74 NH |
304 | if (obj_req->local != -1) |
305 | error("fd leakage in release: %d", obj_req->local); | |
306 | if (obj_req == object_queue_head) { | |
307 | object_queue_head = obj_req->next; | |
1d389ab6 | 308 | } else { |
e388ab74 | 309 | while (entry->next != NULL && entry->next != obj_req) |
1d389ab6 | 310 | entry = entry->next; |
e388ab74 | 311 | if (entry->next == obj_req) |
1d389ab6 NH |
312 | entry->next = entry->next->next; |
313 | } | |
314 | ||
e388ab74 NH |
315 | free(obj_req->url); |
316 | free(obj_req); | |
1d389ab6 NH |
317 | } |
318 | ||
a7a8d378 | 319 | #ifdef USE_CURL_MULTI |
45c17412 | 320 | int fill_active_slot(void) |
1d389ab6 | 321 | { |
45c17412 | 322 | struct object_request *obj_req; |
1d389ab6 | 323 | |
45c17412 | 324 | for (obj_req = object_queue_head; obj_req; obj_req = obj_req->next) { |
e388ab74 NH |
325 | if (obj_req->state == WAITING) { |
326 | if (has_sha1_file(obj_req->sha1)) | |
09db444f | 327 | obj_req->state = COMPLETE; |
45c17412 | 328 | else { |
e388ab74 | 329 | start_object_request(obj_req); |
45c17412 DB |
330 | return 1; |
331 | } | |
f1a906a3 | 332 | } |
8fcf7f9a | 333 | } |
45c17412 | 334 | return 0; |
1d389ab6 | 335 | } |
a7a8d378 | 336 | #endif |
1d389ab6 NH |
337 | |
338 | void prefetch(unsigned char *sha1) | |
339 | { | |
e388ab74 NH |
340 | struct object_request *newreq; |
341 | struct object_request *tail; | |
1d389ab6 NH |
342 | char *filename = sha1_file_name(sha1); |
343 | ||
344 | newreq = xmalloc(sizeof(*newreq)); | |
e702496e | 345 | hashcpy(newreq->sha1, sha1); |
1d389ab6 NH |
346 | newreq->repo = alt; |
347 | newreq->url = NULL; | |
348 | newreq->local = -1; | |
349 | newreq->state = WAITING; | |
350 | snprintf(newreq->filename, sizeof(newreq->filename), "%s", filename); | |
351 | snprintf(newreq->tmpfile, sizeof(newreq->tmpfile), | |
352 | "%s.temp", filename); | |
e8dff6ba | 353 | newreq->slot = NULL; |
1d389ab6 NH |
354 | newreq->next = NULL; |
355 | ||
e388ab74 NH |
356 | if (object_queue_head == NULL) { |
357 | object_queue_head = newreq; | |
1d389ab6 | 358 | } else { |
e388ab74 | 359 | tail = object_queue_head; |
1d389ab6 NH |
360 | while (tail->next != NULL) { |
361 | tail = tail->next; | |
362 | } | |
363 | tail->next = newreq; | |
364 | } | |
29508e1e | 365 | |
a7a8d378 | 366 | #ifdef USE_CURL_MULTI |
29508e1e NH |
367 | fill_active_slots(); |
368 | step_active_slots(); | |
a7a8d378 | 369 | #endif |
1d389ab6 NH |
370 | } |
371 | ||
b3661567 | 372 | static int fetch_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 | 373 | { |
1d389ab6 | 374 | char *hex = sha1_to_hex(sha1); |
182005b9 DB |
375 | char *filename; |
376 | char *url; | |
49a0f240 | 377 | char tmpfile[PATH_MAX]; |
49a0f240 NH |
378 | long prev_posn = 0; |
379 | char range[RANGE_HEADER_SIZE]; | |
380 | struct curl_slist *range_header = NULL; | |
182005b9 DB |
381 | |
382 | FILE *indexfile; | |
1d389ab6 | 383 | struct active_request_slot *slot; |
cb754fdf | 384 | struct slot_results results; |
182005b9 DB |
385 | |
386 | if (has_pack_index(sha1)) | |
387 | return 0; | |
388 | ||
389 | if (get_verbosely) | |
1d389ab6 | 390 | fprintf(stderr, "Getting index for pack %s\n", hex); |
8fcf7f9a | 391 | |
b3661567 | 392 | url = xmalloc(strlen(repo->base) + 64); |
1d389ab6 | 393 | sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex); |
8fcf7f9a | 394 | |
182005b9 | 395 | filename = sha1_pack_index_name(sha1); |
49a0f240 NH |
396 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
397 | indexfile = fopen(tmpfile, "a"); | |
182005b9 DB |
398 | if (!indexfile) |
399 | return error("Unable to open local file %s for pack index", | |
400 | filename); | |
401 | ||
1d389ab6 | 402 | slot = get_active_slot(); |
c8568e13 | 403 | slot->results = &results; |
1d389ab6 NH |
404 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
405 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
406 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 407 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
408 | slot->local = indexfile; |
409 | ||
49a0f240 NH |
410 | /* If there is data present from a previous transfer attempt, |
411 | resume where it left off */ | |
412 | prev_posn = ftell(indexfile); | |
413 | if (prev_posn>0) { | |
414 | if (get_verbosely) | |
415 | fprintf(stderr, | |
416 | "Resuming fetch of index for pack %s at byte %ld\n", | |
1d389ab6 | 417 | hex, prev_posn); |
49a0f240 NH |
418 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
419 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 420 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
421 | } |
422 | ||
1d389ab6 NH |
423 | if (start_active_slot(slot)) { |
424 | run_active_slot(slot); | |
c8568e13 | 425 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
426 | fclose(indexfile); |
427 | return error("Unable to get pack index %s\n%s", url, | |
428 | curl_errorstr); | |
429 | } | |
430 | } else { | |
313c4714 | 431 | fclose(indexfile); |
1d389ab6 | 432 | return error("Unable to start request"); |
182005b9 DB |
433 | } |
434 | ||
435 | fclose(indexfile); | |
49a0f240 | 436 | |
b721e01f | 437 | return move_temp_to_file(tmpfile, filename); |
182005b9 DB |
438 | } |
439 | ||
b3661567 | 440 | static int setup_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
441 | { |
442 | struct packed_git *new_pack; | |
443 | if (has_pack_file(sha1)) | |
a9486b02 | 444 | return 0; /* don't list this as something we can get */ |
182005b9 | 445 | |
b3661567 | 446 | if (fetch_index(repo, sha1)) |
182005b9 DB |
447 | return -1; |
448 | ||
449 | new_pack = parse_pack_index(sha1); | |
b3661567 DB |
450 | new_pack->next = repo->packs; |
451 | repo->packs = new_pack; | |
182005b9 DB |
452 | return 0; |
453 | } | |
454 | ||
e388ab74 | 455 | static void process_alternates_response(void *callback_data) |
b3661567 | 456 | { |
e388ab74 NH |
457 | struct alternates_request *alt_req = |
458 | (struct alternates_request *)callback_data; | |
acc075a8 | 459 | struct active_request_slot *slot = alt_req->slot; |
1d389ab6 | 460 | struct alt_base *tail = alt; |
8e29f6a0 | 461 | const char *base = alt_req->base; |
bc8f2652 | 462 | static const char null_byte = '\0'; |
acc075a8 NH |
463 | char *data; |
464 | int i = 0; | |
1d389ab6 | 465 | |
acc075a8 NH |
466 | if (alt_req->http_specific) { |
467 | if (slot->curl_result != CURLE_OK || | |
468 | !alt_req->buffer->posn) { | |
469 | ||
470 | /* Try reusing the slot to get non-http alternates */ | |
471 | alt_req->http_specific = 0; | |
472 | sprintf(alt_req->url, "%s/objects/info/alternates", | |
473 | base); | |
474 | curl_easy_setopt(slot->curl, CURLOPT_URL, | |
475 | alt_req->url); | |
476 | active_requests++; | |
477 | slot->in_use = 1; | |
c9826473 NH |
478 | if (slot->finished != NULL) |
479 | (*slot->finished) = 0; | |
a3f583cb | 480 | if (!start_active_slot(slot)) { |
acc075a8 | 481 | got_alternates = -1; |
29508e1e | 482 | slot->in_use = 0; |
c9826473 NH |
483 | if (slot->finished != NULL) |
484 | (*slot->finished) = 1; | |
1d389ab6 | 485 | } |
a3f583cb | 486 | return; |
b3661567 | 487 | } |
acc075a8 | 488 | } else if (slot->curl_result != CURLE_OK) { |
be4a015b | 489 | if (!missing_target(slot)) { |
acc075a8 NH |
490 | got_alternates = -1; |
491 | return; | |
492 | } | |
b3661567 DB |
493 | } |
494 | ||
29508e1e | 495 | fwrite_buffer(&null_byte, 1, 1, alt_req->buffer); |
acc075a8 NH |
496 | alt_req->buffer->posn--; |
497 | data = alt_req->buffer->buffer; | |
1b0c1e67 | 498 | |
acc075a8 | 499 | while (i < alt_req->buffer->posn) { |
b3661567 | 500 | int posn = i; |
acc075a8 | 501 | while (posn < alt_req->buffer->posn && data[posn] != '\n') |
b3661567 DB |
502 | posn++; |
503 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
504 | int okay = 0; |
505 | int serverlen = 0; | |
506 | struct alt_base *newalt; | |
507 | char *target = NULL; | |
b3661567 | 508 | if (data[i] == '/') { |
5df1e0d0 JH |
509 | /* This counts |
510 | * http://git.host/pub/scm/linux.git/ | |
511 | * -----------here^ | |
512 | * so memcpy(dst, base, serverlen) will | |
513 | * copy up to "...git.host". | |
514 | */ | |
515 | const char *colon_ss = strstr(base,"://"); | |
516 | if (colon_ss) { | |
517 | serverlen = (strchr(colon_ss + 3, '/') | |
518 | - base); | |
519 | okay = 1; | |
520 | } | |
1b0c1e67 | 521 | } else if (!memcmp(data + i, "../", 3)) { |
5df1e0d0 JH |
522 | /* Relative URL; chop the corresponding |
523 | * number of subpath from base (and ../ | |
524 | * from data), and concatenate the result. | |
525 | * | |
526 | * The code first drops ../ from data, and | |
527 | * then drops one ../ from data and one path | |
528 | * from base. IOW, one extra ../ is dropped | |
529 | * from data than path is dropped from base. | |
530 | * | |
531 | * This is not wrong. The alternate in | |
532 | * http://git.host/pub/scm/linux.git/ | |
533 | * to borrow from | |
534 | * http://git.host/pub/scm/linus.git/ | |
535 | * is ../../linus.git/objects/. You need | |
536 | * two ../../ to borrow from your direct | |
537 | * neighbour. | |
538 | */ | |
1b0c1e67 DB |
539 | i += 3; |
540 | serverlen = strlen(base); | |
8fcf7f9a | 541 | while (i + 2 < posn && |
1b0c1e67 DB |
542 | !memcmp(data + i, "../", 3)) { |
543 | do { | |
544 | serverlen--; | |
545 | } while (serverlen && | |
546 | base[serverlen - 1] != '/'); | |
547 | i += 3; | |
548 | } | |
a9486b02 | 549 | /* If the server got removed, give up. */ |
8fcf7f9a | 550 | okay = strchr(base, ':') - base + 3 < |
1b0c1e67 | 551 | serverlen; |
acc075a8 | 552 | } else if (alt_req->http_specific) { |
1b0c1e67 DB |
553 | char *colon = strchr(data + i, ':'); |
554 | char *slash = strchr(data + i, '/'); | |
555 | if (colon && slash && colon < data + posn && | |
556 | slash < data + posn && colon < slash) { | |
557 | okay = 1; | |
558 | } | |
559 | } | |
5df1e0d0 | 560 | /* skip "objects\n" at end */ |
1b0c1e67 DB |
561 | if (okay) { |
562 | target = xmalloc(serverlen + posn - i - 6); | |
5df1e0d0 JH |
563 | memcpy(target, base, serverlen); |
564 | memcpy(target + serverlen, data + i, | |
565 | posn - i - 7); | |
566 | target[serverlen + posn - i - 7] = 0; | |
b3661567 | 567 | if (get_verbosely) |
8fcf7f9a | 568 | fprintf(stderr, |
b3661567 DB |
569 | "Also look at %s\n", target); |
570 | newalt = xmalloc(sizeof(*newalt)); | |
1d389ab6 | 571 | newalt->next = NULL; |
b3661567 DB |
572 | newalt->base = target; |
573 | newalt->got_indices = 0; | |
574 | newalt->packs = NULL; | |
8d9fbe57 | 575 | |
1d389ab6 NH |
576 | while (tail->next != NULL) |
577 | tail = tail->next; | |
578 | tail->next = newalt; | |
b3661567 DB |
579 | } |
580 | } | |
581 | i = posn + 1; | |
582 | } | |
bc8f2652 | 583 | |
f7eb290f | 584 | got_alternates = 1; |
acc075a8 NH |
585 | } |
586 | ||
8e29f6a0 | 587 | static void fetch_alternates(const char *base) |
acc075a8 NH |
588 | { |
589 | struct buffer buffer; | |
590 | char *url; | |
591 | char *data; | |
592 | struct active_request_slot *slot; | |
cb754fdf | 593 | struct alternates_request alt_req; |
acc075a8 NH |
594 | |
595 | /* If another request has already started fetching alternates, | |
596 | wait for them to arrive and return to processing this request's | |
597 | curl message */ | |
29508e1e | 598 | #ifdef USE_CURL_MULTI |
acc075a8 | 599 | while (got_alternates == 0) { |
29508e1e | 600 | step_active_slots(); |
acc075a8 | 601 | } |
29508e1e | 602 | #endif |
acc075a8 NH |
603 | |
604 | /* Nothing to do if they've already been fetched */ | |
605 | if (got_alternates == 1) | |
606 | return; | |
607 | ||
608 | /* Start the fetch */ | |
609 | got_alternates = 0; | |
610 | ||
611 | data = xmalloc(4096); | |
612 | buffer.size = 4096; | |
613 | buffer.posn = 0; | |
614 | buffer.buffer = data; | |
615 | ||
616 | if (get_verbosely) | |
617 | fprintf(stderr, "Getting alternates list for %s\n", base); | |
8fcf7f9a | 618 | |
acc075a8 NH |
619 | url = xmalloc(strlen(base) + 31); |
620 | sprintf(url, "%s/objects/info/http-alternates", base); | |
621 | ||
622 | /* Use a callback to process the result, since another request | |
623 | may fail and need to have alternates loaded before continuing */ | |
624 | slot = get_active_slot(); | |
e388ab74 | 625 | slot->callback_func = process_alternates_response; |
acc075a8 NH |
626 | slot->callback_data = &alt_req; |
627 | ||
628 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 629 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
acc075a8 NH |
630 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
631 | ||
632 | alt_req.base = base; | |
633 | alt_req.url = url; | |
634 | alt_req.buffer = &buffer; | |
635 | alt_req.http_specific = 1; | |
636 | alt_req.slot = slot; | |
637 | ||
638 | if (start_active_slot(slot)) | |
639 | run_active_slot(slot); | |
640 | else | |
641 | got_alternates = -1; | |
642 | ||
643 | free(data); | |
644 | free(url); | |
b3661567 DB |
645 | } |
646 | ||
647 | static int fetch_indices(struct alt_base *repo) | |
182005b9 DB |
648 | { |
649 | unsigned char sha1[20]; | |
650 | char *url; | |
651 | struct buffer buffer; | |
652 | char *data; | |
653 | int i = 0; | |
654 | ||
1d389ab6 | 655 | struct active_request_slot *slot; |
cb754fdf | 656 | struct slot_results results; |
1d389ab6 | 657 | |
b3661567 | 658 | if (repo->got_indices) |
182005b9 DB |
659 | return 0; |
660 | ||
661 | data = xmalloc(4096); | |
662 | buffer.size = 4096; | |
663 | buffer.posn = 0; | |
664 | buffer.buffer = data; | |
665 | ||
666 | if (get_verbosely) | |
6fd72e39 | 667 | fprintf(stderr, "Getting pack list for %s\n", repo->base); |
8fcf7f9a | 668 | |
b3661567 DB |
669 | url = xmalloc(strlen(repo->base) + 21); |
670 | sprintf(url, "%s/objects/info/packs", repo->base); | |
182005b9 | 671 | |
1d389ab6 | 672 | slot = get_active_slot(); |
c8568e13 | 673 | slot->results = &results; |
1d389ab6 | 674 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 675 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
1d389ab6 NH |
676 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
677 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
678 | if (start_active_slot(slot)) { | |
679 | run_active_slot(slot); | |
c8568e13 | 680 | if (results.curl_result != CURLE_OK) { |
be4a015b | 681 | if (missing_target(&results)) { |
5e3a7691 NH |
682 | repo->got_indices = 1; |
683 | free(buffer.buffer); | |
684 | return 0; | |
685 | } else { | |
686 | repo->got_indices = 0; | |
687 | free(buffer.buffer); | |
688 | return error("%s", curl_errorstr); | |
689 | } | |
bc8f2652 | 690 | } |
1d389ab6 | 691 | } else { |
5e3a7691 | 692 | repo->got_indices = 0; |
bc8f2652 | 693 | free(buffer.buffer); |
1d389ab6 NH |
694 | return error("Unable to start request"); |
695 | } | |
182005b9 | 696 | |
bc8f2652 | 697 | data = buffer.buffer; |
b3661567 | 698 | while (i < buffer.posn) { |
182005b9 DB |
699 | switch (data[i]) { |
700 | case 'P': | |
701 | i++; | |
455c161c | 702 | if (i + 52 <= buffer.posn && |
cc44c765 | 703 | !prefixcmp(data + i, " pack-") && |
1968d77d | 704 | !prefixcmp(data + i + 46, ".pack\n")) { |
182005b9 | 705 | get_sha1_hex(data + i + 6, sha1); |
b3661567 | 706 | setup_index(repo, sha1); |
182005b9 DB |
707 | i += 51; |
708 | break; | |
709 | } | |
710 | default: | |
455c161c | 711 | while (i < buffer.posn && data[i] != '\n') |
182005b9 DB |
712 | i++; |
713 | } | |
714 | i++; | |
b3661567 | 715 | } |
182005b9 | 716 | |
bc8f2652 | 717 | free(buffer.buffer); |
b3661567 | 718 | repo->got_indices = 1; |
182005b9 DB |
719 | return 0; |
720 | } | |
721 | ||
b3661567 | 722 | static int fetch_pack(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
723 | { |
724 | char *url; | |
725 | struct packed_git *target; | |
726 | struct packed_git **lst; | |
727 | FILE *packfile; | |
728 | char *filename; | |
49a0f240 NH |
729 | char tmpfile[PATH_MAX]; |
730 | int ret; | |
731 | long prev_posn = 0; | |
732 | char range[RANGE_HEADER_SIZE]; | |
733 | struct curl_slist *range_header = NULL; | |
1d389ab6 NH |
734 | |
735 | struct active_request_slot *slot; | |
cb754fdf | 736 | struct slot_results results; |
182005b9 | 737 | |
b3661567 | 738 | if (fetch_indices(repo)) |
182005b9 | 739 | return -1; |
b3661567 | 740 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 741 | if (!target) |
b3661567 | 742 | return -1; |
182005b9 DB |
743 | |
744 | if (get_verbosely) { | |
745 | fprintf(stderr, "Getting pack %s\n", | |
746 | sha1_to_hex(target->sha1)); | |
747 | fprintf(stderr, " which contains %s\n", | |
748 | sha1_to_hex(sha1)); | |
749 | } | |
750 | ||
b3661567 | 751 | url = xmalloc(strlen(repo->base) + 65); |
182005b9 | 752 | sprintf(url, "%s/objects/pack/pack-%s.pack", |
b3661567 | 753 | repo->base, sha1_to_hex(target->sha1)); |
182005b9 DB |
754 | |
755 | filename = sha1_pack_name(target->sha1); | |
49a0f240 NH |
756 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
757 | packfile = fopen(tmpfile, "a"); | |
182005b9 DB |
758 | if (!packfile) |
759 | return error("Unable to open local file %s for pack", | |
760 | filename); | |
761 | ||
1d389ab6 | 762 | slot = get_active_slot(); |
c8568e13 | 763 | slot->results = &results; |
1d389ab6 NH |
764 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); |
765 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
766 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 767 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 | 768 | slot->local = packfile; |
1ddea77e | 769 | |
49a0f240 NH |
770 | /* If there is data present from a previous transfer attempt, |
771 | resume where it left off */ | |
772 | prev_posn = ftell(packfile); | |
773 | if (prev_posn>0) { | |
774 | if (get_verbosely) | |
775 | fprintf(stderr, | |
776 | "Resuming fetch of pack %s at byte %ld\n", | |
777 | sha1_to_hex(target->sha1), prev_posn); | |
778 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
779 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 780 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
781 | } |
782 | ||
1d389ab6 NH |
783 | if (start_active_slot(slot)) { |
784 | run_active_slot(slot); | |
c8568e13 | 785 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
786 | fclose(packfile); |
787 | return error("Unable to get pack file %s\n%s", url, | |
788 | curl_errorstr); | |
789 | } | |
790 | } else { | |
313c4714 | 791 | fclose(packfile); |
1d389ab6 | 792 | return error("Unable to start request"); |
182005b9 DB |
793 | } |
794 | ||
1c23d794 | 795 | target->pack_size = ftell(packfile); |
182005b9 DB |
796 | fclose(packfile); |
797 | ||
b721e01f | 798 | ret = move_temp_to_file(tmpfile, filename); |
49a0f240 | 799 | if (ret) |
b721e01f | 800 | return ret; |
49a0f240 | 801 | |
b3661567 | 802 | lst = &repo->packs; |
182005b9 DB |
803 | while (*lst != target) |
804 | lst = &((*lst)->next); | |
805 | *lst = (*lst)->next; | |
806 | ||
271421cd JH |
807 | if (verify_pack(target, 0)) |
808 | return -1; | |
182005b9 DB |
809 | install_packed_git(target); |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
53f31389 MW |
814 | static void abort_object_request(struct object_request *obj_req) |
815 | { | |
816 | if (obj_req->local >= 0) { | |
817 | close(obj_req->local); | |
818 | obj_req->local = -1; | |
819 | } | |
820 | unlink(obj_req->tmpfile); | |
821 | if (obj_req->slot) { | |
a6080a0a | 822 | release_active_slot(obj_req->slot); |
53f31389 MW |
823 | obj_req->slot = NULL; |
824 | } | |
825 | release_object_request(obj_req); | |
826 | } | |
827 | ||
a7928f8e | 828 | static int fetch_object(struct alt_base *repo, unsigned char *sha1) |
6eb7ed54 DB |
829 | { |
830 | char *hex = sha1_to_hex(sha1); | |
29508e1e | 831 | int ret = 0; |
e388ab74 | 832 | struct object_request *obj_req = object_queue_head; |
1d389ab6 | 833 | |
a89fccd2 | 834 | while (obj_req != NULL && hashcmp(obj_req->sha1, sha1)) |
e388ab74 NH |
835 | obj_req = obj_req->next; |
836 | if (obj_req == NULL) | |
1d389ab6 NH |
837 | return error("Couldn't find request for %s in the queue", hex); |
838 | ||
e388ab74 | 839 | if (has_sha1_file(obj_req->sha1)) { |
53f31389 | 840 | abort_object_request(obj_req); |
11f0dafe NH |
841 | return 0; |
842 | } | |
843 | ||
a7a8d378 | 844 | #ifdef USE_CURL_MULTI |
e388ab74 | 845 | while (obj_req->state == WAITING) { |
29508e1e | 846 | step_active_slots(); |
1d389ab6 | 847 | } |
a7a8d378 | 848 | #else |
e388ab74 | 849 | start_object_request(obj_req); |
a7a8d378 | 850 | #endif |
6eb7ed54 | 851 | |
e388ab74 NH |
852 | while (obj_req->state == ACTIVE) { |
853 | run_active_slot(obj_req->slot); | |
a7a8d378 | 854 | } |
e388ab74 NH |
855 | if (obj_req->local != -1) { |
856 | close(obj_req->local); obj_req->local = -1; | |
313c4714 | 857 | } |
6eb7ed54 | 858 | |
e388ab74 | 859 | if (obj_req->state == ABORTED) { |
29508e1e | 860 | ret = error("Request for %s aborted", hex); |
e388ab74 NH |
861 | } else if (obj_req->curl_result != CURLE_OK && |
862 | obj_req->http_code != 416) { | |
be4a015b | 863 | if (missing_target(obj_req)) |
e2029eb9 PB |
864 | ret = -1; /* Be silent, it is probably in a pack. */ |
865 | else | |
866 | ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)", | |
e388ab74 NH |
867 | obj_req->errorstr, obj_req->curl_result, |
868 | obj_req->http_code, hex); | |
869 | } else if (obj_req->zret != Z_STREAM_END) { | |
bb528079 | 870 | corrupt_object_found++; |
bd2afde8 | 871 | ret = error("File %s (%s) corrupt", hex, obj_req->url); |
a89fccd2 | 872 | } else if (hashcmp(obj_req->sha1, obj_req->real_sha1)) { |
bd2afde8 | 873 | ret = error("File %s has bad hash", hex); |
e388ab74 | 874 | } else if (obj_req->rename < 0) { |
7b934ec0 MW |
875 | ret = error("unable to write sha1 filename %s", |
876 | obj_req->filename); | |
6eb7ed54 | 877 | } |
49a0f240 | 878 | |
e388ab74 | 879 | release_object_request(obj_req); |
29508e1e | 880 | return ret; |
6eb7ed54 DB |
881 | } |
882 | ||
b3661567 DB |
883 | int fetch(unsigned char *sha1) |
884 | { | |
885 | struct alt_base *altbase = alt; | |
1d389ab6 NH |
886 | |
887 | if (!fetch_object(altbase, sha1)) | |
888 | return 0; | |
b3661567 | 889 | while (altbase) { |
b3661567 DB |
890 | if (!fetch_pack(altbase, sha1)) |
891 | return 0; | |
f7eb290f | 892 | fetch_alternates(alt->base); |
b3661567 DB |
893 | altbase = altbase->next; |
894 | } | |
bd2afde8 | 895 | return error("Unable to find %s under %s", sha1_to_hex(sha1), |
1d389ab6 | 896 | alt->base); |
b3661567 DB |
897 | } |
898 | ||
94fa447a JH |
899 | static inline int needs_quote(int ch) |
900 | { | |
cfd432e6 FF |
901 | if (((ch >= 'A') && (ch <= 'Z')) |
902 | || ((ch >= 'a') && (ch <= 'z')) | |
903 | || ((ch >= '0') && (ch <= '9')) | |
904 | || (ch == '/') | |
905 | || (ch == '-') | |
906 | || (ch == '.')) | |
94fa447a | 907 | return 0; |
cfd432e6 | 908 | return 1; |
94fa447a JH |
909 | } |
910 | ||
911 | static inline int hex(int v) | |
912 | { | |
913 | if (v < 10) return '0' + v; | |
914 | else return 'A' + v - 10; | |
915 | } | |
916 | ||
917 | static char *quote_ref_url(const char *base, const char *ref) | |
918 | { | |
919 | const char *cp; | |
920 | char *dp, *qref; | |
921 | int len, baselen, ch; | |
922 | ||
923 | baselen = strlen(base); | |
2afea3bc | 924 | len = baselen + 7; /* "/refs/" + NUL */ |
94fa447a JH |
925 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
926 | if (needs_quote(ch)) | |
927 | len += 2; /* extra two hex plus replacement % */ | |
928 | qref = xmalloc(len); | |
929 | memcpy(qref, base, baselen); | |
2afea3bc GP |
930 | memcpy(qref + baselen, "/refs/", 6); |
931 | for (cp = ref, dp = qref + baselen + 6; (ch = *cp) != 0; cp++) { | |
94fa447a JH |
932 | if (needs_quote(ch)) { |
933 | *dp++ = '%'; | |
934 | *dp++ = hex((ch >> 4) & 0xF); | |
935 | *dp++ = hex(ch & 0xF); | |
936 | } | |
937 | else | |
938 | *dp++ = ch; | |
939 | } | |
940 | *dp = 0; | |
941 | ||
942 | return qref; | |
943 | } | |
944 | ||
cd541a68 DB |
945 | int fetch_ref(char *ref, unsigned char *sha1) |
946 | { | |
94fa447a | 947 | char *url; |
fa3e0655 DB |
948 | char hex[42]; |
949 | struct buffer buffer; | |
8e29f6a0 | 950 | const char *base = alt->base; |
1d389ab6 | 951 | struct active_request_slot *slot; |
cb754fdf | 952 | struct slot_results results; |
fa3e0655 DB |
953 | buffer.size = 41; |
954 | buffer.posn = 0; | |
955 | buffer.buffer = hex; | |
956 | hex[41] = '\0'; | |
8fcf7f9a | 957 | |
94fa447a | 958 | url = quote_ref_url(base, ref); |
1d389ab6 | 959 | slot = get_active_slot(); |
c8568e13 | 960 | slot->results = &results; |
1d389ab6 NH |
961 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
962 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
963 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
964 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
965 | if (start_active_slot(slot)) { | |
966 | run_active_slot(slot); | |
c8568e13 | 967 | if (results.curl_result != CURLE_OK) |
1d389ab6 NH |
968 | return error("Couldn't get %s for %s\n%s", |
969 | url, ref, curl_errorstr); | |
970 | } else { | |
971 | return error("Unable to start request"); | |
972 | } | |
fa3e0655 DB |
973 | |
974 | hex[40] = '\0'; | |
975 | get_sha1_hex(hex, sha1); | |
976 | return 0; | |
cd541a68 DB |
977 | } |
978 | ||
8e29f6a0 | 979 | int main(int argc, const char **argv) |
6eb7ed54 | 980 | { |
8e29f6a0 PB |
981 | int commits; |
982 | const char **write_ref = NULL; | |
983 | char **commit_id; | |
984 | const char *url; | |
9c880b3e | 985 | char *s; |
6eb7ed54 | 986 | int arg = 1; |
7b9ae53e | 987 | int rc = 0; |
6eb7ed54 | 988 | |
5a327713 | 989 | setup_git_directory(); |
d0740d92 | 990 | git_config(git_default_config); |
5a327713 | 991 | |
6eb7ed54 DB |
992 | while (arg < argc && argv[arg][0] == '-') { |
993 | if (argv[arg][1] == 't') { | |
4250a5e5 | 994 | get_tree = 1; |
6eb7ed54 | 995 | } else if (argv[arg][1] == 'c') { |
4250a5e5 | 996 | get_history = 1; |
6eb7ed54 | 997 | } else if (argv[arg][1] == 'a') { |
4250a5e5 DB |
998 | get_all = 1; |
999 | get_tree = 1; | |
1000 | get_history = 1; | |
e78d9772 JH |
1001 | } else if (argv[arg][1] == 'v') { |
1002 | get_verbosely = 1; | |
fa3e0655 | 1003 | } else if (argv[arg][1] == 'w') { |
8e29f6a0 | 1004 | write_ref = &argv[arg + 1]; |
fa3e0655 | 1005 | arg++; |
820eca68 DB |
1006 | } else if (!strcmp(argv[arg], "--recover")) { |
1007 | get_recover = 1; | |
8e29f6a0 PB |
1008 | } else if (!strcmp(argv[arg], "--stdin")) { |
1009 | commits_on_stdin = 1; | |
6eb7ed54 DB |
1010 | } |
1011 | arg++; | |
1012 | } | |
8e29f6a0 PB |
1013 | if (argc < arg + 2 - commits_on_stdin) { |
1014 | usage("git-http-fetch [-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url"); | |
6eb7ed54 DB |
1015 | return 1; |
1016 | } | |
8e29f6a0 PB |
1017 | if (commits_on_stdin) { |
1018 | commits = pull_targets_stdin(&commit_id, &write_ref); | |
1019 | } else { | |
1020 | commit_id = (char **) &argv[arg++]; | |
1021 | commits = 1; | |
1022 | } | |
1023 | url = argv[arg]; | |
6eb7ed54 | 1024 | |
29508e1e | 1025 | http_init(); |
d402d556 | 1026 | |
1db69b57 | 1027 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); |
3dcb90f5 | 1028 | |
b3661567 | 1029 | alt = xmalloc(sizeof(*alt)); |
2afea3bc GP |
1030 | alt->base = xmalloc(strlen(url) + 1); |
1031 | strcpy(alt->base, url); | |
9c880b3e GP |
1032 | for (s = alt->base + strlen(alt->base) - 1; *s == '/'; --s) |
1033 | *s = 0; | |
b3661567 DB |
1034 | alt->got_indices = 0; |
1035 | alt->packs = NULL; | |
1036 | alt->next = NULL; | |
6eb7ed54 | 1037 | |
8e29f6a0 | 1038 | if (pull(commits, commit_id, write_ref, url)) |
7b9ae53e | 1039 | rc = 1; |
6eb7ed54 | 1040 | |
29508e1e NH |
1041 | http_cleanup(); |
1042 | ||
07001f95 SE |
1043 | curl_slist_free_all(no_pragma_header); |
1044 | ||
8e29f6a0 PB |
1045 | if (commits_on_stdin) |
1046 | pull_targets_free(commits, commit_id, write_ref); | |
1047 | ||
bb528079 JH |
1048 | if (corrupt_object_found) { |
1049 | fprintf(stderr, | |
1050 | "Some loose object were found to be corrupt, but they might be just\n" | |
1051 | "a false '404 Not Found' error message sent with incorrect HTTP\n" | |
df391b19 | 1052 | "status code. Suggest running git-fsck.\n"); |
bb528079 | 1053 | } |
7b9ae53e | 1054 | return rc; |
6eb7ed54 | 1055 | } |