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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 | { | |
8e29f6a0 | 19 | const char *base; |
8d9fbe57 | 20 | int path_len; |
b3661567 DB |
21 | int got_indices; |
22 | struct packed_git *packs; | |
23 | struct alt_base *next; | |
24 | }; | |
25 | ||
96f1e58f | 26 | static struct alt_base *alt; |
6eb7ed54 | 27 | |
e388ab74 | 28 | enum object_request_state { |
1d389ab6 NH |
29 | WAITING, |
30 | ABORTED, | |
31 | ACTIVE, | |
32 | COMPLETE, | |
33 | }; | |
6eb7ed54 | 34 | |
e388ab74 | 35 | struct object_request |
1d389ab6 NH |
36 | { |
37 | unsigned char sha1[20]; | |
38 | struct alt_base *repo; | |
39 | char *url; | |
40 | char filename[PATH_MAX]; | |
41 | char tmpfile[PATH_MAX]; | |
42 | int local; | |
e388ab74 | 43 | enum object_request_state state; |
1d389ab6 NH |
44 | CURLcode curl_result; |
45 | char errorstr[CURL_ERROR_SIZE]; | |
46 | long http_code; | |
47 | unsigned char real_sha1[20]; | |
48 | SHA_CTX c; | |
49 | z_stream stream; | |
50 | int zret; | |
51 | int rename; | |
52 | struct active_request_slot *slot; | |
e388ab74 | 53 | struct object_request *next; |
1d389ab6 NH |
54 | }; |
55 | ||
e388ab74 | 56 | struct alternates_request { |
8e29f6a0 | 57 | const char *base; |
acc075a8 NH |
58 | char *url; |
59 | struct buffer *buffer; | |
60 | struct active_request_slot *slot; | |
61 | int http_specific; | |
62 | }; | |
63 | ||
96f1e58f | 64 | static struct object_request *object_queue_head; |
bc8f2652 | 65 | |
182005b9 DB |
66 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
67 | void *data) | |
68 | { | |
bf0f910d | 69 | unsigned char expn[4096]; |
6eb7ed54 DB |
70 | size_t size = eltsize * nmemb; |
71 | int posn = 0; | |
e388ab74 | 72 | struct object_request *obj_req = (struct object_request *)data; |
6eb7ed54 | 73 | do { |
93822c22 | 74 | ssize_t retval = xwrite(obj_req->local, |
1d7f171c | 75 | (char *) ptr + posn, size - posn); |
6eb7ed54 DB |
76 | if (retval < 0) |
77 | return posn; | |
78 | posn += retval; | |
79 | } while (posn < size); | |
80 | ||
e388ab74 NH |
81 | obj_req->stream.avail_in = size; |
82 | obj_req->stream.next_in = ptr; | |
6eb7ed54 | 83 | do { |
e388ab74 NH |
84 | obj_req->stream.next_out = expn; |
85 | obj_req->stream.avail_out = sizeof(expn); | |
86 | obj_req->zret = inflate(&obj_req->stream, Z_SYNC_FLUSH); | |
87 | SHA1_Update(&obj_req->c, expn, | |
88 | sizeof(expn) - obj_req->stream.avail_out); | |
89 | } while (obj_req->stream.avail_in && obj_req->zret == Z_OK); | |
1d389ab6 | 90 | data_received++; |
6eb7ed54 DB |
91 | return size; |
92 | } | |
93 | ||
be4a015b JH |
94 | static int missing__target(int code, int result) |
95 | { | |
96 | return /* file:// URL -- do we ever use one??? */ | |
97 | (result == CURLE_FILE_COULDNT_READ_FILE) || | |
98 | /* http:// and https:// URL */ | |
4adffc7b JH |
99 | (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) || |
100 | /* ftp:// URL */ | |
101 | (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE) | |
be4a015b JH |
102 | ; |
103 | } | |
104 | ||
105 | #define missing_target(a) missing__target((a)->http_code, (a)->curl_result) | |
106 | ||
8e29f6a0 | 107 | static void fetch_alternates(const char *base); |
1d389ab6 | 108 | |
29508e1e | 109 | static void process_object_response(void *callback_data); |
1d389ab6 | 110 | |
e388ab74 | 111 | static void start_object_request(struct object_request *obj_req) |
1d389ab6 | 112 | { |
e388ab74 | 113 | char *hex = sha1_to_hex(obj_req->sha1); |
1d389ab6 NH |
114 | char prevfile[PATH_MAX]; |
115 | char *url; | |
116 | char *posn; | |
117 | int prevlocal; | |
118 | unsigned char prev_buf[PREV_BUF_SIZE]; | |
119 | ssize_t prev_read = 0; | |
120 | long prev_posn = 0; | |
121 | char range[RANGE_HEADER_SIZE]; | |
122 | struct curl_slist *range_header = NULL; | |
123 | struct active_request_slot *slot; | |
124 | ||
e388ab74 | 125 | snprintf(prevfile, sizeof(prevfile), "%s.prev", obj_req->filename); |
1d389ab6 | 126 | unlink(prevfile); |
e388ab74 NH |
127 | rename(obj_req->tmpfile, prevfile); |
128 | unlink(obj_req->tmpfile); | |
1d389ab6 | 129 | |
e388ab74 NH |
130 | if (obj_req->local != -1) |
131 | error("fd leakage in start: %d", obj_req->local); | |
132 | obj_req->local = open(obj_req->tmpfile, | |
1d389ab6 | 133 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
b721e01f JH |
134 | /* This could have failed due to the "lazy directory creation"; |
135 | * try to mkdir the last path component. | |
136 | */ | |
e388ab74 NH |
137 | if (obj_req->local < 0 && errno == ENOENT) { |
138 | char *dir = strrchr(obj_req->tmpfile, '/'); | |
b721e01f JH |
139 | if (dir) { |
140 | *dir = 0; | |
e388ab74 | 141 | mkdir(obj_req->tmpfile, 0777); |
b721e01f JH |
142 | *dir = '/'; |
143 | } | |
e388ab74 | 144 | obj_req->local = open(obj_req->tmpfile, |
b721e01f JH |
145 | O_WRONLY | O_CREAT | O_EXCL, 0666); |
146 | } | |
147 | ||
e388ab74 NH |
148 | if (obj_req->local < 0) { |
149 | obj_req->state = ABORTED; | |
bd2afde8 | 150 | error("Couldn't create temporary file %s for %s: %s", |
e388ab74 | 151 | obj_req->tmpfile, obj_req->filename, strerror(errno)); |
1d389ab6 NH |
152 | return; |
153 | } | |
154 | ||
e388ab74 | 155 | memset(&obj_req->stream, 0, sizeof(obj_req->stream)); |
1d389ab6 | 156 | |
e388ab74 | 157 | inflateInit(&obj_req->stream); |
1d389ab6 | 158 | |
e388ab74 | 159 | SHA1_Init(&obj_req->c); |
1d389ab6 | 160 | |
e388ab74 NH |
161 | url = xmalloc(strlen(obj_req->repo->base) + 50); |
162 | obj_req->url = xmalloc(strlen(obj_req->repo->base) + 50); | |
163 | strcpy(url, obj_req->repo->base); | |
164 | posn = url + strlen(obj_req->repo->base); | |
1d389ab6 NH |
165 | strcpy(posn, "objects/"); |
166 | posn += 8; | |
167 | memcpy(posn, hex, 2); | |
168 | posn += 2; | |
169 | *(posn++) = '/'; | |
170 | strcpy(posn, hex + 2); | |
e388ab74 | 171 | strcpy(obj_req->url, url); |
1d389ab6 NH |
172 | |
173 | /* If a previous temp file is present, process what was already | |
174 | fetched. */ | |
175 | prevlocal = open(prevfile, O_RDONLY); | |
176 | if (prevlocal != -1) { | |
177 | do { | |
93d26e4c | 178 | prev_read = xread(prevlocal, prev_buf, PREV_BUF_SIZE); |
1d389ab6 NH |
179 | if (prev_read>0) { |
180 | if (fwrite_sha1_file(prev_buf, | |
181 | 1, | |
182 | prev_read, | |
e388ab74 | 183 | obj_req) == prev_read) { |
1d389ab6 NH |
184 | prev_posn += prev_read; |
185 | } else { | |
186 | prev_read = -1; | |
187 | } | |
188 | } | |
189 | } while (prev_read > 0); | |
190 | close(prevlocal); | |
191 | } | |
192 | unlink(prevfile); | |
193 | ||
194 | /* Reset inflate/SHA1 if there was an error reading the previous temp | |
195 | file; also rewind to the beginning of the local file. */ | |
196 | if (prev_read == -1) { | |
e388ab74 NH |
197 | memset(&obj_req->stream, 0, sizeof(obj_req->stream)); |
198 | inflateInit(&obj_req->stream); | |
199 | SHA1_Init(&obj_req->c); | |
1d389ab6 NH |
200 | if (prev_posn>0) { |
201 | prev_posn = 0; | |
e388ab74 NH |
202 | lseek(obj_req->local, SEEK_SET, 0); |
203 | ftruncate(obj_req->local, 0); | |
1d389ab6 NH |
204 | } |
205 | } | |
206 | ||
207 | slot = get_active_slot(); | |
29508e1e | 208 | slot->callback_func = process_object_response; |
e388ab74 NH |
209 | slot->callback_data = obj_req; |
210 | obj_req->slot = slot; | |
29508e1e | 211 | |
e388ab74 | 212 | curl_easy_setopt(slot->curl, CURLOPT_FILE, obj_req); |
1d389ab6 | 213 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); |
e388ab74 | 214 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, obj_req->errorstr); |
1d389ab6 | 215 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
03126006 | 216 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
217 | |
218 | /* If we have successfully processed data from a previous fetch | |
219 | attempt, only fetch the data we don't already have. */ | |
220 | if (prev_posn>0) { | |
221 | if (get_verbosely) | |
222 | fprintf(stderr, | |
223 | "Resuming fetch of object %s at byte %ld\n", | |
224 | hex, prev_posn); | |
225 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
226 | range_header = curl_slist_append(range_header, range); | |
227 | curl_easy_setopt(slot->curl, | |
228 | CURLOPT_HTTPHEADER, range_header); | |
229 | } | |
230 | ||
a7a8d378 | 231 | /* Try to get the request started, abort the request on error */ |
e388ab74 | 232 | obj_req->state = ACTIVE; |
1d389ab6 | 233 | if (!start_active_slot(slot)) { |
e388ab74 NH |
234 | obj_req->state = ABORTED; |
235 | obj_req->slot = NULL; | |
236 | close(obj_req->local); obj_req->local = -1; | |
237 | free(obj_req->url); | |
238 | return; | |
1d389ab6 | 239 | } |
1d389ab6 NH |
240 | } |
241 | ||
e388ab74 | 242 | static void finish_object_request(struct object_request *obj_req) |
1d389ab6 | 243 | { |
50496b21 NH |
244 | struct stat st; |
245 | ||
e388ab74 NH |
246 | fchmod(obj_req->local, 0444); |
247 | close(obj_req->local); obj_req->local = -1; | |
1d389ab6 | 248 | |
e388ab74 | 249 | if (obj_req->http_code == 416) { |
1d389ab6 | 250 | fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); |
e388ab74 NH |
251 | } else if (obj_req->curl_result != CURLE_OK) { |
252 | if (stat(obj_req->tmpfile, &st) == 0) | |
50496b21 | 253 | if (st.st_size == 0) |
e388ab74 | 254 | unlink(obj_req->tmpfile); |
1d389ab6 NH |
255 | return; |
256 | } | |
257 | ||
e388ab74 NH |
258 | inflateEnd(&obj_req->stream); |
259 | SHA1_Final(obj_req->real_sha1, &obj_req->c); | |
260 | if (obj_req->zret != Z_STREAM_END) { | |
261 | unlink(obj_req->tmpfile); | |
1d389ab6 NH |
262 | return; |
263 | } | |
a89fccd2 | 264 | if (hashcmp(obj_req->sha1, obj_req->real_sha1)) { |
e388ab74 | 265 | unlink(obj_req->tmpfile); |
1d389ab6 NH |
266 | return; |
267 | } | |
e388ab74 NH |
268 | obj_req->rename = |
269 | move_temp_to_file(obj_req->tmpfile, obj_req->filename); | |
1d389ab6 | 270 | |
e388ab74 NH |
271 | if (obj_req->rename == 0) |
272 | pull_say("got %s\n", sha1_to_hex(obj_req->sha1)); | |
1d389ab6 NH |
273 | } |
274 | ||
29508e1e NH |
275 | static void process_object_response(void *callback_data) |
276 | { | |
e388ab74 NH |
277 | struct object_request *obj_req = |
278 | (struct object_request *)callback_data; | |
29508e1e | 279 | |
e388ab74 NH |
280 | obj_req->curl_result = obj_req->slot->curl_result; |
281 | obj_req->http_code = obj_req->slot->http_code; | |
282 | obj_req->slot = NULL; | |
283 | obj_req->state = COMPLETE; | |
29508e1e NH |
284 | |
285 | /* Use alternates if necessary */ | |
be4a015b | 286 | if (missing_target(obj_req)) { |
29508e1e | 287 | fetch_alternates(alt->base); |
e388ab74 NH |
288 | if (obj_req->repo->next != NULL) { |
289 | obj_req->repo = | |
290 | obj_req->repo->next; | |
291 | close(obj_req->local); | |
292 | obj_req->local = -1; | |
293 | start_object_request(obj_req); | |
29508e1e NH |
294 | return; |
295 | } | |
296 | } | |
297 | ||
e388ab74 | 298 | finish_object_request(obj_req); |
29508e1e NH |
299 | } |
300 | ||
e388ab74 | 301 | static void release_object_request(struct object_request *obj_req) |
1d389ab6 | 302 | { |
e388ab74 | 303 | struct object_request *entry = object_queue_head; |
1d389ab6 | 304 | |
e388ab74 NH |
305 | if (obj_req->local != -1) |
306 | error("fd leakage in release: %d", obj_req->local); | |
307 | if (obj_req == object_queue_head) { | |
308 | object_queue_head = obj_req->next; | |
1d389ab6 | 309 | } else { |
e388ab74 | 310 | while (entry->next != NULL && entry->next != obj_req) |
1d389ab6 | 311 | entry = entry->next; |
e388ab74 | 312 | if (entry->next == obj_req) |
1d389ab6 NH |
313 | entry->next = entry->next->next; |
314 | } | |
315 | ||
e388ab74 NH |
316 | free(obj_req->url); |
317 | free(obj_req); | |
1d389ab6 NH |
318 | } |
319 | ||
a7a8d378 | 320 | #ifdef USE_CURL_MULTI |
29508e1e | 321 | void fill_active_slots(void) |
1d389ab6 | 322 | { |
e388ab74 | 323 | struct object_request *obj_req = object_queue_head; |
f1a906a3 | 324 | struct active_request_slot *slot = active_queue_head; |
1d389ab6 NH |
325 | int num_transfers; |
326 | ||
e388ab74 NH |
327 | while (active_requests < max_requests && obj_req != NULL) { |
328 | if (obj_req->state == WAITING) { | |
329 | if (has_sha1_file(obj_req->sha1)) | |
09db444f | 330 | obj_req->state = COMPLETE; |
11f0dafe | 331 | else |
e388ab74 | 332 | start_object_request(obj_req); |
1d389ab6 NH |
333 | curl_multi_perform(curlm, &num_transfers); |
334 | } | |
e388ab74 | 335 | obj_req = obj_req->next; |
1d389ab6 | 336 | } |
f1a906a3 NH |
337 | |
338 | while (slot != NULL) { | |
339 | if (!slot->in_use && slot->curl != NULL) { | |
340 | curl_easy_cleanup(slot->curl); | |
341 | slot->curl = NULL; | |
342 | } | |
343 | slot = slot->next; | |
8fcf7f9a | 344 | } |
1d389ab6 | 345 | } |
a7a8d378 | 346 | #endif |
1d389ab6 NH |
347 | |
348 | void prefetch(unsigned char *sha1) | |
349 | { | |
e388ab74 NH |
350 | struct object_request *newreq; |
351 | struct object_request *tail; | |
1d389ab6 NH |
352 | char *filename = sha1_file_name(sha1); |
353 | ||
354 | newreq = xmalloc(sizeof(*newreq)); | |
e702496e | 355 | hashcpy(newreq->sha1, sha1); |
1d389ab6 NH |
356 | newreq->repo = alt; |
357 | newreq->url = NULL; | |
358 | newreq->local = -1; | |
359 | newreq->state = WAITING; | |
360 | snprintf(newreq->filename, sizeof(newreq->filename), "%s", filename); | |
361 | snprintf(newreq->tmpfile, sizeof(newreq->tmpfile), | |
362 | "%s.temp", filename); | |
e8dff6ba | 363 | newreq->slot = NULL; |
1d389ab6 NH |
364 | newreq->next = NULL; |
365 | ||
e388ab74 NH |
366 | if (object_queue_head == NULL) { |
367 | object_queue_head = newreq; | |
1d389ab6 | 368 | } else { |
e388ab74 | 369 | tail = object_queue_head; |
1d389ab6 NH |
370 | while (tail->next != NULL) { |
371 | tail = tail->next; | |
372 | } | |
373 | tail->next = newreq; | |
374 | } | |
29508e1e | 375 | |
a7a8d378 | 376 | #ifdef USE_CURL_MULTI |
29508e1e NH |
377 | fill_active_slots(); |
378 | step_active_slots(); | |
a7a8d378 | 379 | #endif |
1d389ab6 NH |
380 | } |
381 | ||
b3661567 | 382 | static int fetch_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 | 383 | { |
1d389ab6 | 384 | char *hex = sha1_to_hex(sha1); |
182005b9 DB |
385 | char *filename; |
386 | char *url; | |
49a0f240 | 387 | char tmpfile[PATH_MAX]; |
49a0f240 NH |
388 | long prev_posn = 0; |
389 | char range[RANGE_HEADER_SIZE]; | |
390 | struct curl_slist *range_header = NULL; | |
182005b9 DB |
391 | |
392 | FILE *indexfile; | |
1d389ab6 | 393 | struct active_request_slot *slot; |
cb754fdf | 394 | struct slot_results results; |
182005b9 DB |
395 | |
396 | if (has_pack_index(sha1)) | |
397 | return 0; | |
398 | ||
399 | if (get_verbosely) | |
1d389ab6 | 400 | fprintf(stderr, "Getting index for pack %s\n", hex); |
8fcf7f9a | 401 | |
b3661567 | 402 | url = xmalloc(strlen(repo->base) + 64); |
1d389ab6 | 403 | sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex); |
8fcf7f9a | 404 | |
182005b9 | 405 | filename = sha1_pack_index_name(sha1); |
49a0f240 NH |
406 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
407 | indexfile = fopen(tmpfile, "a"); | |
182005b9 DB |
408 | if (!indexfile) |
409 | return error("Unable to open local file %s for pack index", | |
410 | filename); | |
411 | ||
1d389ab6 | 412 | slot = get_active_slot(); |
c8568e13 | 413 | slot->results = &results; |
1d389ab6 NH |
414 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
415 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
416 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 417 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
418 | slot->local = indexfile; |
419 | ||
49a0f240 NH |
420 | /* If there is data present from a previous transfer attempt, |
421 | resume where it left off */ | |
422 | prev_posn = ftell(indexfile); | |
423 | if (prev_posn>0) { | |
424 | if (get_verbosely) | |
425 | fprintf(stderr, | |
426 | "Resuming fetch of index for pack %s at byte %ld\n", | |
1d389ab6 | 427 | hex, prev_posn); |
49a0f240 NH |
428 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
429 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 430 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
431 | } |
432 | ||
1d389ab6 NH |
433 | if (start_active_slot(slot)) { |
434 | run_active_slot(slot); | |
c8568e13 | 435 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
436 | fclose(indexfile); |
437 | return error("Unable to get pack index %s\n%s", url, | |
438 | curl_errorstr); | |
439 | } | |
440 | } else { | |
313c4714 | 441 | fclose(indexfile); |
1d389ab6 | 442 | return error("Unable to start request"); |
182005b9 DB |
443 | } |
444 | ||
445 | fclose(indexfile); | |
49a0f240 | 446 | |
b721e01f | 447 | return move_temp_to_file(tmpfile, filename); |
182005b9 DB |
448 | } |
449 | ||
b3661567 | 450 | static int setup_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
451 | { |
452 | struct packed_git *new_pack; | |
453 | if (has_pack_file(sha1)) | |
a9486b02 | 454 | return 0; /* don't list this as something we can get */ |
182005b9 | 455 | |
b3661567 | 456 | if (fetch_index(repo, sha1)) |
182005b9 DB |
457 | return -1; |
458 | ||
459 | new_pack = parse_pack_index(sha1); | |
b3661567 DB |
460 | new_pack->next = repo->packs; |
461 | repo->packs = new_pack; | |
182005b9 DB |
462 | return 0; |
463 | } | |
464 | ||
e388ab74 | 465 | static void process_alternates_response(void *callback_data) |
b3661567 | 466 | { |
e388ab74 NH |
467 | struct alternates_request *alt_req = |
468 | (struct alternates_request *)callback_data; | |
acc075a8 | 469 | struct active_request_slot *slot = alt_req->slot; |
1d389ab6 | 470 | struct alt_base *tail = alt; |
8e29f6a0 | 471 | const char *base = alt_req->base; |
bc8f2652 | 472 | static const char null_byte = '\0'; |
acc075a8 NH |
473 | char *data; |
474 | int i = 0; | |
1d389ab6 | 475 | |
acc075a8 NH |
476 | if (alt_req->http_specific) { |
477 | if (slot->curl_result != CURLE_OK || | |
478 | !alt_req->buffer->posn) { | |
479 | ||
480 | /* Try reusing the slot to get non-http alternates */ | |
481 | alt_req->http_specific = 0; | |
482 | sprintf(alt_req->url, "%s/objects/info/alternates", | |
483 | base); | |
484 | curl_easy_setopt(slot->curl, CURLOPT_URL, | |
485 | alt_req->url); | |
486 | active_requests++; | |
487 | slot->in_use = 1; | |
c9826473 NH |
488 | if (slot->finished != NULL) |
489 | (*slot->finished) = 0; | |
a3f583cb | 490 | if (!start_active_slot(slot)) { |
acc075a8 | 491 | got_alternates = -1; |
29508e1e | 492 | slot->in_use = 0; |
c9826473 NH |
493 | if (slot->finished != NULL) |
494 | (*slot->finished) = 1; | |
1d389ab6 | 495 | } |
a3f583cb | 496 | return; |
b3661567 | 497 | } |
acc075a8 | 498 | } else if (slot->curl_result != CURLE_OK) { |
be4a015b | 499 | if (!missing_target(slot)) { |
acc075a8 NH |
500 | got_alternates = -1; |
501 | return; | |
502 | } | |
b3661567 DB |
503 | } |
504 | ||
29508e1e | 505 | fwrite_buffer(&null_byte, 1, 1, alt_req->buffer); |
acc075a8 NH |
506 | alt_req->buffer->posn--; |
507 | data = alt_req->buffer->buffer; | |
1b0c1e67 | 508 | |
acc075a8 | 509 | while (i < alt_req->buffer->posn) { |
b3661567 | 510 | int posn = i; |
acc075a8 | 511 | while (posn < alt_req->buffer->posn && data[posn] != '\n') |
b3661567 DB |
512 | posn++; |
513 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
514 | int okay = 0; |
515 | int serverlen = 0; | |
516 | struct alt_base *newalt; | |
517 | char *target = NULL; | |
8d9fbe57 | 518 | char *path; |
b3661567 | 519 | if (data[i] == '/') { |
5df1e0d0 JH |
520 | /* This counts |
521 | * http://git.host/pub/scm/linux.git/ | |
522 | * -----------here^ | |
523 | * so memcpy(dst, base, serverlen) will | |
524 | * copy up to "...git.host". | |
525 | */ | |
526 | const char *colon_ss = strstr(base,"://"); | |
527 | if (colon_ss) { | |
528 | serverlen = (strchr(colon_ss + 3, '/') | |
529 | - base); | |
530 | okay = 1; | |
531 | } | |
1b0c1e67 | 532 | } else if (!memcmp(data + i, "../", 3)) { |
5df1e0d0 JH |
533 | /* Relative URL; chop the corresponding |
534 | * number of subpath from base (and ../ | |
535 | * from data), and concatenate the result. | |
536 | * | |
537 | * The code first drops ../ from data, and | |
538 | * then drops one ../ from data and one path | |
539 | * from base. IOW, one extra ../ is dropped | |
540 | * from data than path is dropped from base. | |
541 | * | |
542 | * This is not wrong. The alternate in | |
543 | * http://git.host/pub/scm/linux.git/ | |
544 | * to borrow from | |
545 | * http://git.host/pub/scm/linus.git/ | |
546 | * is ../../linus.git/objects/. You need | |
547 | * two ../../ to borrow from your direct | |
548 | * neighbour. | |
549 | */ | |
1b0c1e67 DB |
550 | i += 3; |
551 | serverlen = strlen(base); | |
8fcf7f9a | 552 | while (i + 2 < posn && |
1b0c1e67 DB |
553 | !memcmp(data + i, "../", 3)) { |
554 | do { | |
555 | serverlen--; | |
556 | } while (serverlen && | |
557 | base[serverlen - 1] != '/'); | |
558 | i += 3; | |
559 | } | |
a9486b02 | 560 | /* If the server got removed, give up. */ |
8fcf7f9a | 561 | okay = strchr(base, ':') - base + 3 < |
1b0c1e67 | 562 | serverlen; |
acc075a8 | 563 | } else if (alt_req->http_specific) { |
1b0c1e67 DB |
564 | char *colon = strchr(data + i, ':'); |
565 | char *slash = strchr(data + i, '/'); | |
566 | if (colon && slash && colon < data + posn && | |
567 | slash < data + posn && colon < slash) { | |
568 | okay = 1; | |
569 | } | |
570 | } | |
5df1e0d0 | 571 | /* skip "objects\n" at end */ |
1b0c1e67 DB |
572 | if (okay) { |
573 | target = xmalloc(serverlen + posn - i - 6); | |
5df1e0d0 JH |
574 | memcpy(target, base, serverlen); |
575 | memcpy(target + serverlen, data + i, | |
576 | posn - i - 7); | |
577 | target[serverlen + posn - i - 7] = 0; | |
b3661567 | 578 | if (get_verbosely) |
8fcf7f9a | 579 | fprintf(stderr, |
b3661567 DB |
580 | "Also look at %s\n", target); |
581 | newalt = xmalloc(sizeof(*newalt)); | |
1d389ab6 | 582 | newalt->next = NULL; |
b3661567 DB |
583 | newalt->base = target; |
584 | newalt->got_indices = 0; | |
585 | newalt->packs = NULL; | |
8d9fbe57 NH |
586 | path = strstr(target, "//"); |
587 | if (path) { | |
ef9e58c8 | 588 | path = strchr(path+2, '/'); |
8d9fbe57 NH |
589 | if (path) |
590 | newalt->path_len = strlen(path); | |
591 | } | |
592 | ||
1d389ab6 NH |
593 | while (tail->next != NULL) |
594 | tail = tail->next; | |
595 | tail->next = newalt; | |
b3661567 DB |
596 | } |
597 | } | |
598 | i = posn + 1; | |
599 | } | |
bc8f2652 | 600 | |
f7eb290f | 601 | got_alternates = 1; |
acc075a8 NH |
602 | } |
603 | ||
8e29f6a0 | 604 | static void fetch_alternates(const char *base) |
acc075a8 NH |
605 | { |
606 | struct buffer buffer; | |
607 | char *url; | |
608 | char *data; | |
609 | struct active_request_slot *slot; | |
cb754fdf | 610 | struct alternates_request alt_req; |
acc075a8 NH |
611 | |
612 | /* If another request has already started fetching alternates, | |
613 | wait for them to arrive and return to processing this request's | |
614 | curl message */ | |
29508e1e | 615 | #ifdef USE_CURL_MULTI |
acc075a8 | 616 | while (got_alternates == 0) { |
29508e1e | 617 | step_active_slots(); |
acc075a8 | 618 | } |
29508e1e | 619 | #endif |
acc075a8 NH |
620 | |
621 | /* Nothing to do if they've already been fetched */ | |
622 | if (got_alternates == 1) | |
623 | return; | |
624 | ||
625 | /* Start the fetch */ | |
626 | got_alternates = 0; | |
627 | ||
628 | data = xmalloc(4096); | |
629 | buffer.size = 4096; | |
630 | buffer.posn = 0; | |
631 | buffer.buffer = data; | |
632 | ||
633 | if (get_verbosely) | |
634 | fprintf(stderr, "Getting alternates list for %s\n", base); | |
8fcf7f9a | 635 | |
acc075a8 NH |
636 | url = xmalloc(strlen(base) + 31); |
637 | sprintf(url, "%s/objects/info/http-alternates", base); | |
638 | ||
639 | /* Use a callback to process the result, since another request | |
640 | may fail and need to have alternates loaded before continuing */ | |
641 | slot = get_active_slot(); | |
e388ab74 | 642 | slot->callback_func = process_alternates_response; |
acc075a8 NH |
643 | slot->callback_data = &alt_req; |
644 | ||
645 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 646 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
acc075a8 NH |
647 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
648 | ||
649 | alt_req.base = base; | |
650 | alt_req.url = url; | |
651 | alt_req.buffer = &buffer; | |
652 | alt_req.http_specific = 1; | |
653 | alt_req.slot = slot; | |
654 | ||
655 | if (start_active_slot(slot)) | |
656 | run_active_slot(slot); | |
657 | else | |
658 | got_alternates = -1; | |
659 | ||
660 | free(data); | |
661 | free(url); | |
b3661567 DB |
662 | } |
663 | ||
664 | static int fetch_indices(struct alt_base *repo) | |
182005b9 DB |
665 | { |
666 | unsigned char sha1[20]; | |
667 | char *url; | |
668 | struct buffer buffer; | |
669 | char *data; | |
670 | int i = 0; | |
671 | ||
1d389ab6 | 672 | struct active_request_slot *slot; |
cb754fdf | 673 | struct slot_results results; |
1d389ab6 | 674 | |
b3661567 | 675 | if (repo->got_indices) |
182005b9 DB |
676 | return 0; |
677 | ||
678 | data = xmalloc(4096); | |
679 | buffer.size = 4096; | |
680 | buffer.posn = 0; | |
681 | buffer.buffer = data; | |
682 | ||
683 | if (get_verbosely) | |
6fd72e39 | 684 | fprintf(stderr, "Getting pack list for %s\n", repo->base); |
8fcf7f9a | 685 | |
b3661567 DB |
686 | url = xmalloc(strlen(repo->base) + 21); |
687 | sprintf(url, "%s/objects/info/packs", repo->base); | |
182005b9 | 688 | |
1d389ab6 | 689 | slot = get_active_slot(); |
c8568e13 | 690 | slot->results = &results; |
1d389ab6 | 691 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 692 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
1d389ab6 NH |
693 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
694 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
695 | if (start_active_slot(slot)) { | |
696 | run_active_slot(slot); | |
c8568e13 | 697 | if (results.curl_result != CURLE_OK) { |
be4a015b | 698 | if (missing_target(&results)) { |
5e3a7691 NH |
699 | repo->got_indices = 1; |
700 | free(buffer.buffer); | |
701 | return 0; | |
702 | } else { | |
703 | repo->got_indices = 0; | |
704 | free(buffer.buffer); | |
705 | return error("%s", curl_errorstr); | |
706 | } | |
bc8f2652 | 707 | } |
1d389ab6 | 708 | } else { |
5e3a7691 | 709 | repo->got_indices = 0; |
bc8f2652 | 710 | free(buffer.buffer); |
1d389ab6 NH |
711 | return error("Unable to start request"); |
712 | } | |
182005b9 | 713 | |
bc8f2652 | 714 | data = buffer.buffer; |
b3661567 | 715 | while (i < buffer.posn) { |
182005b9 DB |
716 | switch (data[i]) { |
717 | case 'P': | |
718 | i++; | |
455c161c | 719 | if (i + 52 <= buffer.posn && |
182005b9 DB |
720 | !strncmp(data + i, " pack-", 6) && |
721 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
722 | get_sha1_hex(data + i + 6, sha1); | |
b3661567 | 723 | setup_index(repo, sha1); |
182005b9 DB |
724 | i += 51; |
725 | break; | |
726 | } | |
727 | default: | |
455c161c | 728 | while (i < buffer.posn && data[i] != '\n') |
182005b9 DB |
729 | i++; |
730 | } | |
731 | i++; | |
b3661567 | 732 | } |
182005b9 | 733 | |
bc8f2652 | 734 | free(buffer.buffer); |
b3661567 | 735 | repo->got_indices = 1; |
182005b9 DB |
736 | return 0; |
737 | } | |
738 | ||
b3661567 | 739 | static int fetch_pack(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
740 | { |
741 | char *url; | |
742 | struct packed_git *target; | |
743 | struct packed_git **lst; | |
744 | FILE *packfile; | |
745 | char *filename; | |
49a0f240 NH |
746 | char tmpfile[PATH_MAX]; |
747 | int ret; | |
748 | long prev_posn = 0; | |
749 | char range[RANGE_HEADER_SIZE]; | |
750 | struct curl_slist *range_header = NULL; | |
1d389ab6 NH |
751 | |
752 | struct active_request_slot *slot; | |
cb754fdf | 753 | struct slot_results results; |
182005b9 | 754 | |
b3661567 | 755 | if (fetch_indices(repo)) |
182005b9 | 756 | return -1; |
b3661567 | 757 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 758 | if (!target) |
b3661567 | 759 | return -1; |
182005b9 DB |
760 | |
761 | if (get_verbosely) { | |
762 | fprintf(stderr, "Getting pack %s\n", | |
763 | sha1_to_hex(target->sha1)); | |
764 | fprintf(stderr, " which contains %s\n", | |
765 | sha1_to_hex(sha1)); | |
766 | } | |
767 | ||
b3661567 | 768 | url = xmalloc(strlen(repo->base) + 65); |
182005b9 | 769 | sprintf(url, "%s/objects/pack/pack-%s.pack", |
b3661567 | 770 | repo->base, sha1_to_hex(target->sha1)); |
182005b9 DB |
771 | |
772 | filename = sha1_pack_name(target->sha1); | |
49a0f240 NH |
773 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
774 | packfile = fopen(tmpfile, "a"); | |
182005b9 DB |
775 | if (!packfile) |
776 | return error("Unable to open local file %s for pack", | |
777 | filename); | |
778 | ||
1d389ab6 | 779 | slot = get_active_slot(); |
c8568e13 | 780 | slot->results = &results; |
1d389ab6 NH |
781 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); |
782 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
783 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 784 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 | 785 | slot->local = packfile; |
1ddea77e | 786 | |
49a0f240 NH |
787 | /* If there is data present from a previous transfer attempt, |
788 | resume where it left off */ | |
789 | prev_posn = ftell(packfile); | |
790 | if (prev_posn>0) { | |
791 | if (get_verbosely) | |
792 | fprintf(stderr, | |
793 | "Resuming fetch of pack %s at byte %ld\n", | |
794 | sha1_to_hex(target->sha1), prev_posn); | |
795 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
796 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 797 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
798 | } |
799 | ||
1d389ab6 NH |
800 | if (start_active_slot(slot)) { |
801 | run_active_slot(slot); | |
c8568e13 | 802 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
803 | fclose(packfile); |
804 | return error("Unable to get pack file %s\n%s", url, | |
805 | curl_errorstr); | |
806 | } | |
807 | } else { | |
313c4714 | 808 | fclose(packfile); |
1d389ab6 | 809 | return error("Unable to start request"); |
182005b9 DB |
810 | } |
811 | ||
1c23d794 | 812 | target->pack_size = ftell(packfile); |
182005b9 DB |
813 | fclose(packfile); |
814 | ||
b721e01f | 815 | ret = move_temp_to_file(tmpfile, filename); |
49a0f240 | 816 | if (ret) |
b721e01f | 817 | return ret; |
49a0f240 | 818 | |
b3661567 | 819 | lst = &repo->packs; |
182005b9 DB |
820 | while (*lst != target) |
821 | lst = &((*lst)->next); | |
822 | *lst = (*lst)->next; | |
823 | ||
271421cd JH |
824 | if (verify_pack(target, 0)) |
825 | return -1; | |
182005b9 DB |
826 | install_packed_git(target); |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
53f31389 MW |
831 | static void abort_object_request(struct object_request *obj_req) |
832 | { | |
833 | if (obj_req->local >= 0) { | |
834 | close(obj_req->local); | |
835 | obj_req->local = -1; | |
836 | } | |
837 | unlink(obj_req->tmpfile); | |
838 | if (obj_req->slot) { | |
839 | release_active_slot(obj_req->slot); | |
840 | obj_req->slot = NULL; | |
841 | } | |
842 | release_object_request(obj_req); | |
843 | } | |
844 | ||
a7928f8e | 845 | static int fetch_object(struct alt_base *repo, unsigned char *sha1) |
6eb7ed54 DB |
846 | { |
847 | char *hex = sha1_to_hex(sha1); | |
29508e1e | 848 | int ret = 0; |
e388ab74 | 849 | struct object_request *obj_req = object_queue_head; |
1d389ab6 | 850 | |
a89fccd2 | 851 | while (obj_req != NULL && hashcmp(obj_req->sha1, sha1)) |
e388ab74 NH |
852 | obj_req = obj_req->next; |
853 | if (obj_req == NULL) | |
1d389ab6 NH |
854 | return error("Couldn't find request for %s in the queue", hex); |
855 | ||
e388ab74 | 856 | if (has_sha1_file(obj_req->sha1)) { |
53f31389 | 857 | abort_object_request(obj_req); |
11f0dafe NH |
858 | return 0; |
859 | } | |
860 | ||
a7a8d378 | 861 | #ifdef USE_CURL_MULTI |
e388ab74 | 862 | while (obj_req->state == WAITING) { |
29508e1e | 863 | step_active_slots(); |
1d389ab6 | 864 | } |
a7a8d378 | 865 | #else |
e388ab74 | 866 | start_object_request(obj_req); |
a7a8d378 | 867 | #endif |
6eb7ed54 | 868 | |
e388ab74 NH |
869 | while (obj_req->state == ACTIVE) { |
870 | run_active_slot(obj_req->slot); | |
a7a8d378 | 871 | } |
e388ab74 NH |
872 | if (obj_req->local != -1) { |
873 | close(obj_req->local); obj_req->local = -1; | |
313c4714 | 874 | } |
6eb7ed54 | 875 | |
e388ab74 | 876 | if (obj_req->state == ABORTED) { |
29508e1e | 877 | ret = error("Request for %s aborted", hex); |
e388ab74 NH |
878 | } else if (obj_req->curl_result != CURLE_OK && |
879 | obj_req->http_code != 416) { | |
be4a015b | 880 | if (missing_target(obj_req)) |
e2029eb9 PB |
881 | ret = -1; /* Be silent, it is probably in a pack. */ |
882 | else | |
883 | ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)", | |
e388ab74 NH |
884 | obj_req->errorstr, obj_req->curl_result, |
885 | obj_req->http_code, hex); | |
886 | } else if (obj_req->zret != Z_STREAM_END) { | |
bb528079 | 887 | corrupt_object_found++; |
bd2afde8 | 888 | ret = error("File %s (%s) corrupt", hex, obj_req->url); |
a89fccd2 | 889 | } else if (hashcmp(obj_req->sha1, obj_req->real_sha1)) { |
bd2afde8 | 890 | ret = error("File %s has bad hash", hex); |
e388ab74 | 891 | } else if (obj_req->rename < 0) { |
7b934ec0 MW |
892 | ret = error("unable to write sha1 filename %s", |
893 | obj_req->filename); | |
6eb7ed54 | 894 | } |
49a0f240 | 895 | |
e388ab74 | 896 | release_object_request(obj_req); |
29508e1e | 897 | return ret; |
6eb7ed54 DB |
898 | } |
899 | ||
b3661567 DB |
900 | int fetch(unsigned char *sha1) |
901 | { | |
902 | struct alt_base *altbase = alt; | |
1d389ab6 NH |
903 | |
904 | if (!fetch_object(altbase, sha1)) | |
905 | return 0; | |
b3661567 | 906 | while (altbase) { |
b3661567 DB |
907 | if (!fetch_pack(altbase, sha1)) |
908 | return 0; | |
f7eb290f | 909 | fetch_alternates(alt->base); |
b3661567 DB |
910 | altbase = altbase->next; |
911 | } | |
bd2afde8 | 912 | return error("Unable to find %s under %s", sha1_to_hex(sha1), |
1d389ab6 | 913 | alt->base); |
b3661567 DB |
914 | } |
915 | ||
94fa447a JH |
916 | static inline int needs_quote(int ch) |
917 | { | |
cfd432e6 FF |
918 | if (((ch >= 'A') && (ch <= 'Z')) |
919 | || ((ch >= 'a') && (ch <= 'z')) | |
920 | || ((ch >= '0') && (ch <= '9')) | |
921 | || (ch == '/') | |
922 | || (ch == '-') | |
923 | || (ch == '.')) | |
94fa447a | 924 | return 0; |
cfd432e6 | 925 | return 1; |
94fa447a JH |
926 | } |
927 | ||
928 | static inline int hex(int v) | |
929 | { | |
930 | if (v < 10) return '0' + v; | |
931 | else return 'A' + v - 10; | |
932 | } | |
933 | ||
934 | static char *quote_ref_url(const char *base, const char *ref) | |
935 | { | |
936 | const char *cp; | |
937 | char *dp, *qref; | |
938 | int len, baselen, ch; | |
939 | ||
940 | baselen = strlen(base); | |
941 | len = baselen + 6; /* "refs/" + NUL */ | |
942 | for (cp = ref; (ch = *cp) != 0; cp++, len++) | |
943 | if (needs_quote(ch)) | |
944 | len += 2; /* extra two hex plus replacement % */ | |
945 | qref = xmalloc(len); | |
946 | memcpy(qref, base, baselen); | |
947 | memcpy(qref + baselen, "refs/", 5); | |
948 | for (cp = ref, dp = qref + baselen + 5; (ch = *cp) != 0; cp++) { | |
949 | if (needs_quote(ch)) { | |
950 | *dp++ = '%'; | |
951 | *dp++ = hex((ch >> 4) & 0xF); | |
952 | *dp++ = hex(ch & 0xF); | |
953 | } | |
954 | else | |
955 | *dp++ = ch; | |
956 | } | |
957 | *dp = 0; | |
958 | ||
959 | return qref; | |
960 | } | |
961 | ||
cd541a68 DB |
962 | int fetch_ref(char *ref, unsigned char *sha1) |
963 | { | |
94fa447a | 964 | char *url; |
fa3e0655 DB |
965 | char hex[42]; |
966 | struct buffer buffer; | |
8e29f6a0 | 967 | const char *base = alt->base; |
1d389ab6 | 968 | struct active_request_slot *slot; |
cb754fdf | 969 | struct slot_results results; |
fa3e0655 DB |
970 | buffer.size = 41; |
971 | buffer.posn = 0; | |
972 | buffer.buffer = hex; | |
973 | hex[41] = '\0'; | |
8fcf7f9a | 974 | |
94fa447a | 975 | url = quote_ref_url(base, ref); |
1d389ab6 | 976 | slot = get_active_slot(); |
c8568e13 | 977 | slot->results = &results; |
1d389ab6 NH |
978 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
979 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
980 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
981 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
982 | if (start_active_slot(slot)) { | |
983 | run_active_slot(slot); | |
c8568e13 | 984 | if (results.curl_result != CURLE_OK) |
1d389ab6 NH |
985 | return error("Couldn't get %s for %s\n%s", |
986 | url, ref, curl_errorstr); | |
987 | } else { | |
988 | return error("Unable to start request"); | |
989 | } | |
fa3e0655 DB |
990 | |
991 | hex[40] = '\0'; | |
992 | get_sha1_hex(hex, sha1); | |
993 | return 0; | |
cd541a68 DB |
994 | } |
995 | ||
8e29f6a0 | 996 | int main(int argc, const char **argv) |
6eb7ed54 | 997 | { |
8e29f6a0 PB |
998 | int commits; |
999 | const char **write_ref = NULL; | |
1000 | char **commit_id; | |
1001 | const char *url; | |
8d9fbe57 | 1002 | char *path; |
6eb7ed54 | 1003 | int arg = 1; |
7b9ae53e | 1004 | int rc = 0; |
6eb7ed54 | 1005 | |
5a327713 | 1006 | setup_git_directory(); |
d0740d92 | 1007 | git_config(git_default_config); |
5a327713 | 1008 | |
6eb7ed54 DB |
1009 | while (arg < argc && argv[arg][0] == '-') { |
1010 | if (argv[arg][1] == 't') { | |
4250a5e5 | 1011 | get_tree = 1; |
6eb7ed54 | 1012 | } else if (argv[arg][1] == 'c') { |
4250a5e5 | 1013 | get_history = 1; |
6eb7ed54 | 1014 | } else if (argv[arg][1] == 'a') { |
4250a5e5 DB |
1015 | get_all = 1; |
1016 | get_tree = 1; | |
1017 | get_history = 1; | |
e78d9772 JH |
1018 | } else if (argv[arg][1] == 'v') { |
1019 | get_verbosely = 1; | |
fa3e0655 | 1020 | } else if (argv[arg][1] == 'w') { |
8e29f6a0 | 1021 | write_ref = &argv[arg + 1]; |
fa3e0655 | 1022 | arg++; |
820eca68 DB |
1023 | } else if (!strcmp(argv[arg], "--recover")) { |
1024 | get_recover = 1; | |
8e29f6a0 PB |
1025 | } else if (!strcmp(argv[arg], "--stdin")) { |
1026 | commits_on_stdin = 1; | |
6eb7ed54 DB |
1027 | } |
1028 | arg++; | |
1029 | } | |
8e29f6a0 PB |
1030 | if (argc < arg + 2 - commits_on_stdin) { |
1031 | usage("git-http-fetch [-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url"); | |
6eb7ed54 DB |
1032 | return 1; |
1033 | } | |
8e29f6a0 PB |
1034 | if (commits_on_stdin) { |
1035 | commits = pull_targets_stdin(&commit_id, &write_ref); | |
1036 | } else { | |
1037 | commit_id = (char **) &argv[arg++]; | |
1038 | commits = 1; | |
1039 | } | |
1040 | url = argv[arg]; | |
6eb7ed54 | 1041 | |
29508e1e | 1042 | http_init(); |
d402d556 | 1043 | |
1db69b57 | 1044 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); |
3dcb90f5 | 1045 | |
b3661567 DB |
1046 | alt = xmalloc(sizeof(*alt)); |
1047 | alt->base = url; | |
1048 | alt->got_indices = 0; | |
1049 | alt->packs = NULL; | |
1050 | alt->next = NULL; | |
8d9fbe57 NH |
1051 | path = strstr(url, "//"); |
1052 | if (path) { | |
ef9e58c8 | 1053 | path = strchr(path+2, '/'); |
8d9fbe57 NH |
1054 | if (path) |
1055 | alt->path_len = strlen(path); | |
1056 | } | |
6eb7ed54 | 1057 | |
8e29f6a0 | 1058 | if (pull(commits, commit_id, write_ref, url)) |
7b9ae53e | 1059 | rc = 1; |
6eb7ed54 | 1060 | |
29508e1e NH |
1061 | http_cleanup(); |
1062 | ||
07001f95 SE |
1063 | curl_slist_free_all(no_pragma_header); |
1064 | ||
8e29f6a0 PB |
1065 | if (commits_on_stdin) |
1066 | pull_targets_free(commits, commit_id, write_ref); | |
1067 | ||
bb528079 JH |
1068 | if (corrupt_object_found) { |
1069 | fprintf(stderr, | |
1070 | "Some loose object were found to be corrupt, but they might be just\n" | |
1071 | "a false '404 Not Found' error message sent with incorrect HTTP\n" | |
df391b19 | 1072 | "status code. Suggest running git-fsck.\n"); |
bb528079 | 1073 | } |
7b9ae53e | 1074 | return rc; |
6eb7ed54 | 1075 | } |