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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 |
29508e1e | 320 | void fill_active_slots(void) |
1d389ab6 | 321 | { |
e388ab74 | 322 | struct object_request *obj_req = object_queue_head; |
f1a906a3 | 323 | struct active_request_slot *slot = active_queue_head; |
1d389ab6 NH |
324 | int num_transfers; |
325 | ||
e388ab74 NH |
326 | while (active_requests < max_requests && obj_req != NULL) { |
327 | if (obj_req->state == WAITING) { | |
328 | if (has_sha1_file(obj_req->sha1)) | |
09db444f | 329 | obj_req->state = COMPLETE; |
11f0dafe | 330 | else |
e388ab74 | 331 | start_object_request(obj_req); |
1d389ab6 NH |
332 | curl_multi_perform(curlm, &num_transfers); |
333 | } | |
e388ab74 | 334 | obj_req = obj_req->next; |
1d389ab6 | 335 | } |
f1a906a3 NH |
336 | |
337 | while (slot != NULL) { | |
338 | if (!slot->in_use && slot->curl != NULL) { | |
339 | curl_easy_cleanup(slot->curl); | |
340 | slot->curl = NULL; | |
341 | } | |
342 | slot = slot->next; | |
8fcf7f9a | 343 | } |
1d389ab6 | 344 | } |
a7a8d378 | 345 | #endif |
1d389ab6 NH |
346 | |
347 | void prefetch(unsigned char *sha1) | |
348 | { | |
e388ab74 NH |
349 | struct object_request *newreq; |
350 | struct object_request *tail; | |
1d389ab6 NH |
351 | char *filename = sha1_file_name(sha1); |
352 | ||
353 | newreq = xmalloc(sizeof(*newreq)); | |
e702496e | 354 | hashcpy(newreq->sha1, sha1); |
1d389ab6 NH |
355 | newreq->repo = alt; |
356 | newreq->url = NULL; | |
357 | newreq->local = -1; | |
358 | newreq->state = WAITING; | |
359 | snprintf(newreq->filename, sizeof(newreq->filename), "%s", filename); | |
360 | snprintf(newreq->tmpfile, sizeof(newreq->tmpfile), | |
361 | "%s.temp", filename); | |
e8dff6ba | 362 | newreq->slot = NULL; |
1d389ab6 NH |
363 | newreq->next = NULL; |
364 | ||
e388ab74 NH |
365 | if (object_queue_head == NULL) { |
366 | object_queue_head = newreq; | |
1d389ab6 | 367 | } else { |
e388ab74 | 368 | tail = object_queue_head; |
1d389ab6 NH |
369 | while (tail->next != NULL) { |
370 | tail = tail->next; | |
371 | } | |
372 | tail->next = newreq; | |
373 | } | |
29508e1e | 374 | |
a7a8d378 | 375 | #ifdef USE_CURL_MULTI |
29508e1e NH |
376 | fill_active_slots(); |
377 | step_active_slots(); | |
a7a8d378 | 378 | #endif |
1d389ab6 NH |
379 | } |
380 | ||
b3661567 | 381 | static int fetch_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 | 382 | { |
1d389ab6 | 383 | char *hex = sha1_to_hex(sha1); |
182005b9 DB |
384 | char *filename; |
385 | char *url; | |
49a0f240 | 386 | char tmpfile[PATH_MAX]; |
49a0f240 NH |
387 | long prev_posn = 0; |
388 | char range[RANGE_HEADER_SIZE]; | |
389 | struct curl_slist *range_header = NULL; | |
182005b9 DB |
390 | |
391 | FILE *indexfile; | |
1d389ab6 | 392 | struct active_request_slot *slot; |
cb754fdf | 393 | struct slot_results results; |
182005b9 DB |
394 | |
395 | if (has_pack_index(sha1)) | |
396 | return 0; | |
397 | ||
398 | if (get_verbosely) | |
1d389ab6 | 399 | fprintf(stderr, "Getting index for pack %s\n", hex); |
8fcf7f9a | 400 | |
b3661567 | 401 | url = xmalloc(strlen(repo->base) + 64); |
1d389ab6 | 402 | sprintf(url, "%s/objects/pack/pack-%s.idx", repo->base, hex); |
8fcf7f9a | 403 | |
182005b9 | 404 | filename = sha1_pack_index_name(sha1); |
49a0f240 NH |
405 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
406 | indexfile = fopen(tmpfile, "a"); | |
182005b9 DB |
407 | if (!indexfile) |
408 | return error("Unable to open local file %s for pack index", | |
409 | filename); | |
410 | ||
1d389ab6 | 411 | slot = get_active_slot(); |
c8568e13 | 412 | slot->results = &results; |
1d389ab6 NH |
413 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
414 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
415 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 416 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 NH |
417 | slot->local = indexfile; |
418 | ||
49a0f240 NH |
419 | /* If there is data present from a previous transfer attempt, |
420 | resume where it left off */ | |
421 | prev_posn = ftell(indexfile); | |
422 | if (prev_posn>0) { | |
423 | if (get_verbosely) | |
424 | fprintf(stderr, | |
425 | "Resuming fetch of index for pack %s at byte %ld\n", | |
1d389ab6 | 426 | hex, prev_posn); |
49a0f240 NH |
427 | sprintf(range, "Range: bytes=%ld-", prev_posn); |
428 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 429 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
430 | } |
431 | ||
1d389ab6 NH |
432 | if (start_active_slot(slot)) { |
433 | run_active_slot(slot); | |
c8568e13 | 434 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
435 | fclose(indexfile); |
436 | return error("Unable to get pack index %s\n%s", url, | |
437 | curl_errorstr); | |
438 | } | |
439 | } else { | |
313c4714 | 440 | fclose(indexfile); |
1d389ab6 | 441 | return error("Unable to start request"); |
182005b9 DB |
442 | } |
443 | ||
444 | fclose(indexfile); | |
49a0f240 | 445 | |
b721e01f | 446 | return move_temp_to_file(tmpfile, filename); |
182005b9 DB |
447 | } |
448 | ||
b3661567 | 449 | static int setup_index(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
450 | { |
451 | struct packed_git *new_pack; | |
452 | if (has_pack_file(sha1)) | |
a9486b02 | 453 | return 0; /* don't list this as something we can get */ |
182005b9 | 454 | |
b3661567 | 455 | if (fetch_index(repo, sha1)) |
182005b9 DB |
456 | return -1; |
457 | ||
458 | new_pack = parse_pack_index(sha1); | |
b3661567 DB |
459 | new_pack->next = repo->packs; |
460 | repo->packs = new_pack; | |
182005b9 DB |
461 | return 0; |
462 | } | |
463 | ||
e388ab74 | 464 | static void process_alternates_response(void *callback_data) |
b3661567 | 465 | { |
e388ab74 NH |
466 | struct alternates_request *alt_req = |
467 | (struct alternates_request *)callback_data; | |
acc075a8 | 468 | struct active_request_slot *slot = alt_req->slot; |
1d389ab6 | 469 | struct alt_base *tail = alt; |
8e29f6a0 | 470 | const char *base = alt_req->base; |
bc8f2652 | 471 | static const char null_byte = '\0'; |
acc075a8 NH |
472 | char *data; |
473 | int i = 0; | |
1d389ab6 | 474 | |
acc075a8 NH |
475 | if (alt_req->http_specific) { |
476 | if (slot->curl_result != CURLE_OK || | |
477 | !alt_req->buffer->posn) { | |
478 | ||
479 | /* Try reusing the slot to get non-http alternates */ | |
480 | alt_req->http_specific = 0; | |
481 | sprintf(alt_req->url, "%s/objects/info/alternates", | |
482 | base); | |
483 | curl_easy_setopt(slot->curl, CURLOPT_URL, | |
484 | alt_req->url); | |
485 | active_requests++; | |
486 | slot->in_use = 1; | |
c9826473 NH |
487 | if (slot->finished != NULL) |
488 | (*slot->finished) = 0; | |
a3f583cb | 489 | if (!start_active_slot(slot)) { |
acc075a8 | 490 | got_alternates = -1; |
29508e1e | 491 | slot->in_use = 0; |
c9826473 NH |
492 | if (slot->finished != NULL) |
493 | (*slot->finished) = 1; | |
1d389ab6 | 494 | } |
a3f583cb | 495 | return; |
b3661567 | 496 | } |
acc075a8 | 497 | } else if (slot->curl_result != CURLE_OK) { |
be4a015b | 498 | if (!missing_target(slot)) { |
acc075a8 NH |
499 | got_alternates = -1; |
500 | return; | |
501 | } | |
b3661567 DB |
502 | } |
503 | ||
29508e1e | 504 | fwrite_buffer(&null_byte, 1, 1, alt_req->buffer); |
acc075a8 NH |
505 | alt_req->buffer->posn--; |
506 | data = alt_req->buffer->buffer; | |
1b0c1e67 | 507 | |
acc075a8 | 508 | while (i < alt_req->buffer->posn) { |
b3661567 | 509 | int posn = i; |
acc075a8 | 510 | while (posn < alt_req->buffer->posn && data[posn] != '\n') |
b3661567 DB |
511 | posn++; |
512 | if (data[posn] == '\n') { | |
1b0c1e67 DB |
513 | int okay = 0; |
514 | int serverlen = 0; | |
515 | struct alt_base *newalt; | |
516 | char *target = NULL; | |
b3661567 | 517 | if (data[i] == '/') { |
5df1e0d0 JH |
518 | /* This counts |
519 | * http://git.host/pub/scm/linux.git/ | |
520 | * -----------here^ | |
521 | * so memcpy(dst, base, serverlen) will | |
522 | * copy up to "...git.host". | |
523 | */ | |
524 | const char *colon_ss = strstr(base,"://"); | |
525 | if (colon_ss) { | |
526 | serverlen = (strchr(colon_ss + 3, '/') | |
527 | - base); | |
528 | okay = 1; | |
529 | } | |
1b0c1e67 | 530 | } else if (!memcmp(data + i, "../", 3)) { |
5df1e0d0 JH |
531 | /* Relative URL; chop the corresponding |
532 | * number of subpath from base (and ../ | |
533 | * from data), and concatenate the result. | |
534 | * | |
535 | * The code first drops ../ from data, and | |
536 | * then drops one ../ from data and one path | |
537 | * from base. IOW, one extra ../ is dropped | |
538 | * from data than path is dropped from base. | |
539 | * | |
540 | * This is not wrong. The alternate in | |
541 | * http://git.host/pub/scm/linux.git/ | |
542 | * to borrow from | |
543 | * http://git.host/pub/scm/linus.git/ | |
544 | * is ../../linus.git/objects/. You need | |
545 | * two ../../ to borrow from your direct | |
546 | * neighbour. | |
547 | */ | |
1b0c1e67 DB |
548 | i += 3; |
549 | serverlen = strlen(base); | |
8fcf7f9a | 550 | while (i + 2 < posn && |
1b0c1e67 DB |
551 | !memcmp(data + i, "../", 3)) { |
552 | do { | |
553 | serverlen--; | |
554 | } while (serverlen && | |
555 | base[serverlen - 1] != '/'); | |
556 | i += 3; | |
557 | } | |
a9486b02 | 558 | /* If the server got removed, give up. */ |
8fcf7f9a | 559 | okay = strchr(base, ':') - base + 3 < |
1b0c1e67 | 560 | serverlen; |
acc075a8 | 561 | } else if (alt_req->http_specific) { |
1b0c1e67 DB |
562 | char *colon = strchr(data + i, ':'); |
563 | char *slash = strchr(data + i, '/'); | |
564 | if (colon && slash && colon < data + posn && | |
565 | slash < data + posn && colon < slash) { | |
566 | okay = 1; | |
567 | } | |
568 | } | |
5df1e0d0 | 569 | /* skip "objects\n" at end */ |
1b0c1e67 DB |
570 | if (okay) { |
571 | target = xmalloc(serverlen + posn - i - 6); | |
5df1e0d0 JH |
572 | memcpy(target, base, serverlen); |
573 | memcpy(target + serverlen, data + i, | |
574 | posn - i - 7); | |
575 | target[serverlen + posn - i - 7] = 0; | |
b3661567 | 576 | if (get_verbosely) |
8fcf7f9a | 577 | fprintf(stderr, |
b3661567 DB |
578 | "Also look at %s\n", target); |
579 | newalt = xmalloc(sizeof(*newalt)); | |
1d389ab6 | 580 | newalt->next = NULL; |
b3661567 DB |
581 | newalt->base = target; |
582 | newalt->got_indices = 0; | |
583 | newalt->packs = NULL; | |
8d9fbe57 | 584 | |
1d389ab6 NH |
585 | while (tail->next != NULL) |
586 | tail = tail->next; | |
587 | tail->next = newalt; | |
b3661567 DB |
588 | } |
589 | } | |
590 | i = posn + 1; | |
591 | } | |
bc8f2652 | 592 | |
f7eb290f | 593 | got_alternates = 1; |
acc075a8 NH |
594 | } |
595 | ||
8e29f6a0 | 596 | static void fetch_alternates(const char *base) |
acc075a8 NH |
597 | { |
598 | struct buffer buffer; | |
599 | char *url; | |
600 | char *data; | |
601 | struct active_request_slot *slot; | |
cb754fdf | 602 | struct alternates_request alt_req; |
acc075a8 NH |
603 | |
604 | /* If another request has already started fetching alternates, | |
605 | wait for them to arrive and return to processing this request's | |
606 | curl message */ | |
29508e1e | 607 | #ifdef USE_CURL_MULTI |
acc075a8 | 608 | while (got_alternates == 0) { |
29508e1e | 609 | step_active_slots(); |
acc075a8 | 610 | } |
29508e1e | 611 | #endif |
acc075a8 NH |
612 | |
613 | /* Nothing to do if they've already been fetched */ | |
614 | if (got_alternates == 1) | |
615 | return; | |
616 | ||
617 | /* Start the fetch */ | |
618 | got_alternates = 0; | |
619 | ||
620 | data = xmalloc(4096); | |
621 | buffer.size = 4096; | |
622 | buffer.posn = 0; | |
623 | buffer.buffer = data; | |
624 | ||
625 | if (get_verbosely) | |
626 | fprintf(stderr, "Getting alternates list for %s\n", base); | |
8fcf7f9a | 627 | |
acc075a8 NH |
628 | url = xmalloc(strlen(base) + 31); |
629 | sprintf(url, "%s/objects/info/http-alternates", base); | |
630 | ||
631 | /* Use a callback to process the result, since another request | |
632 | may fail and need to have alternates loaded before continuing */ | |
633 | slot = get_active_slot(); | |
e388ab74 | 634 | slot->callback_func = process_alternates_response; |
acc075a8 NH |
635 | slot->callback_data = &alt_req; |
636 | ||
637 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
29508e1e | 638 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
acc075a8 NH |
639 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
640 | ||
641 | alt_req.base = base; | |
642 | alt_req.url = url; | |
643 | alt_req.buffer = &buffer; | |
644 | alt_req.http_specific = 1; | |
645 | alt_req.slot = slot; | |
646 | ||
647 | if (start_active_slot(slot)) | |
648 | run_active_slot(slot); | |
649 | else | |
650 | got_alternates = -1; | |
651 | ||
652 | free(data); | |
653 | free(url); | |
b3661567 DB |
654 | } |
655 | ||
656 | static int fetch_indices(struct alt_base *repo) | |
182005b9 DB |
657 | { |
658 | unsigned char sha1[20]; | |
659 | char *url; | |
660 | struct buffer buffer; | |
661 | char *data; | |
662 | int i = 0; | |
663 | ||
1d389ab6 | 664 | struct active_request_slot *slot; |
cb754fdf | 665 | struct slot_results results; |
1d389ab6 | 666 | |
b3661567 | 667 | if (repo->got_indices) |
182005b9 DB |
668 | return 0; |
669 | ||
670 | data = xmalloc(4096); | |
671 | buffer.size = 4096; | |
672 | buffer.posn = 0; | |
673 | buffer.buffer = data; | |
674 | ||
675 | if (get_verbosely) | |
6fd72e39 | 676 | fprintf(stderr, "Getting pack list for %s\n", repo->base); |
8fcf7f9a | 677 | |
b3661567 DB |
678 | url = xmalloc(strlen(repo->base) + 21); |
679 | sprintf(url, "%s/objects/info/packs", repo->base); | |
182005b9 | 680 | |
1d389ab6 | 681 | slot = get_active_slot(); |
c8568e13 | 682 | slot->results = &results; |
1d389ab6 | 683 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 684 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
1d389ab6 NH |
685 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
686 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
687 | if (start_active_slot(slot)) { | |
688 | run_active_slot(slot); | |
c8568e13 | 689 | if (results.curl_result != CURLE_OK) { |
be4a015b | 690 | if (missing_target(&results)) { |
5e3a7691 NH |
691 | repo->got_indices = 1; |
692 | free(buffer.buffer); | |
693 | return 0; | |
694 | } else { | |
695 | repo->got_indices = 0; | |
696 | free(buffer.buffer); | |
697 | return error("%s", curl_errorstr); | |
698 | } | |
bc8f2652 | 699 | } |
1d389ab6 | 700 | } else { |
5e3a7691 | 701 | repo->got_indices = 0; |
bc8f2652 | 702 | free(buffer.buffer); |
1d389ab6 NH |
703 | return error("Unable to start request"); |
704 | } | |
182005b9 | 705 | |
bc8f2652 | 706 | data = buffer.buffer; |
b3661567 | 707 | while (i < buffer.posn) { |
182005b9 DB |
708 | switch (data[i]) { |
709 | case 'P': | |
710 | i++; | |
455c161c | 711 | if (i + 52 <= buffer.posn && |
cc44c765 | 712 | !prefixcmp(data + i, " pack-") && |
1968d77d | 713 | !prefixcmp(data + i + 46, ".pack\n")) { |
182005b9 | 714 | get_sha1_hex(data + i + 6, sha1); |
b3661567 | 715 | setup_index(repo, sha1); |
182005b9 DB |
716 | i += 51; |
717 | break; | |
718 | } | |
719 | default: | |
455c161c | 720 | while (i < buffer.posn && data[i] != '\n') |
182005b9 DB |
721 | i++; |
722 | } | |
723 | i++; | |
b3661567 | 724 | } |
182005b9 | 725 | |
bc8f2652 | 726 | free(buffer.buffer); |
b3661567 | 727 | repo->got_indices = 1; |
182005b9 DB |
728 | return 0; |
729 | } | |
730 | ||
b3661567 | 731 | static int fetch_pack(struct alt_base *repo, unsigned char *sha1) |
182005b9 DB |
732 | { |
733 | char *url; | |
734 | struct packed_git *target; | |
735 | struct packed_git **lst; | |
736 | FILE *packfile; | |
737 | char *filename; | |
49a0f240 NH |
738 | char tmpfile[PATH_MAX]; |
739 | int ret; | |
740 | long prev_posn = 0; | |
741 | char range[RANGE_HEADER_SIZE]; | |
742 | struct curl_slist *range_header = NULL; | |
1d389ab6 NH |
743 | |
744 | struct active_request_slot *slot; | |
cb754fdf | 745 | struct slot_results results; |
182005b9 | 746 | |
b3661567 | 747 | if (fetch_indices(repo)) |
182005b9 | 748 | return -1; |
b3661567 | 749 | target = find_sha1_pack(sha1, repo->packs); |
182005b9 | 750 | if (!target) |
b3661567 | 751 | return -1; |
182005b9 DB |
752 | |
753 | if (get_verbosely) { | |
754 | fprintf(stderr, "Getting pack %s\n", | |
755 | sha1_to_hex(target->sha1)); | |
756 | fprintf(stderr, " which contains %s\n", | |
757 | sha1_to_hex(sha1)); | |
758 | } | |
759 | ||
b3661567 | 760 | url = xmalloc(strlen(repo->base) + 65); |
182005b9 | 761 | sprintf(url, "%s/objects/pack/pack-%s.pack", |
b3661567 | 762 | repo->base, sha1_to_hex(target->sha1)); |
182005b9 DB |
763 | |
764 | filename = sha1_pack_name(target->sha1); | |
49a0f240 NH |
765 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); |
766 | packfile = fopen(tmpfile, "a"); | |
182005b9 DB |
767 | if (!packfile) |
768 | return error("Unable to open local file %s for pack", | |
769 | filename); | |
770 | ||
1d389ab6 | 771 | slot = get_active_slot(); |
c8568e13 | 772 | slot->results = &results; |
1d389ab6 NH |
773 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); |
774 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
775 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
03126006 | 776 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); |
1d389ab6 | 777 | slot->local = packfile; |
1ddea77e | 778 | |
49a0f240 NH |
779 | /* If there is data present from a previous transfer attempt, |
780 | resume where it left off */ | |
781 | prev_posn = ftell(packfile); | |
782 | if (prev_posn>0) { | |
783 | if (get_verbosely) | |
784 | fprintf(stderr, | |
785 | "Resuming fetch of pack %s at byte %ld\n", | |
786 | sha1_to_hex(target->sha1), prev_posn); | |
787 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
788 | range_header = curl_slist_append(range_header, range); | |
1d389ab6 | 789 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); |
49a0f240 NH |
790 | } |
791 | ||
1d389ab6 NH |
792 | if (start_active_slot(slot)) { |
793 | run_active_slot(slot); | |
c8568e13 | 794 | if (results.curl_result != CURLE_OK) { |
1d389ab6 NH |
795 | fclose(packfile); |
796 | return error("Unable to get pack file %s\n%s", url, | |
797 | curl_errorstr); | |
798 | } | |
799 | } else { | |
313c4714 | 800 | fclose(packfile); |
1d389ab6 | 801 | return error("Unable to start request"); |
182005b9 DB |
802 | } |
803 | ||
1c23d794 | 804 | target->pack_size = ftell(packfile); |
182005b9 DB |
805 | fclose(packfile); |
806 | ||
b721e01f | 807 | ret = move_temp_to_file(tmpfile, filename); |
49a0f240 | 808 | if (ret) |
b721e01f | 809 | return ret; |
49a0f240 | 810 | |
b3661567 | 811 | lst = &repo->packs; |
182005b9 DB |
812 | while (*lst != target) |
813 | lst = &((*lst)->next); | |
814 | *lst = (*lst)->next; | |
815 | ||
271421cd JH |
816 | if (verify_pack(target, 0)) |
817 | return -1; | |
182005b9 DB |
818 | install_packed_git(target); |
819 | ||
820 | return 0; | |
821 | } | |
822 | ||
53f31389 MW |
823 | static void abort_object_request(struct object_request *obj_req) |
824 | { | |
825 | if (obj_req->local >= 0) { | |
826 | close(obj_req->local); | |
827 | obj_req->local = -1; | |
828 | } | |
829 | unlink(obj_req->tmpfile); | |
830 | if (obj_req->slot) { | |
831 | release_active_slot(obj_req->slot); | |
832 | obj_req->slot = NULL; | |
833 | } | |
834 | release_object_request(obj_req); | |
835 | } | |
836 | ||
a7928f8e | 837 | static int fetch_object(struct alt_base *repo, unsigned char *sha1) |
6eb7ed54 DB |
838 | { |
839 | char *hex = sha1_to_hex(sha1); | |
29508e1e | 840 | int ret = 0; |
e388ab74 | 841 | struct object_request *obj_req = object_queue_head; |
1d389ab6 | 842 | |
a89fccd2 | 843 | while (obj_req != NULL && hashcmp(obj_req->sha1, sha1)) |
e388ab74 NH |
844 | obj_req = obj_req->next; |
845 | if (obj_req == NULL) | |
1d389ab6 NH |
846 | return error("Couldn't find request for %s in the queue", hex); |
847 | ||
e388ab74 | 848 | if (has_sha1_file(obj_req->sha1)) { |
53f31389 | 849 | abort_object_request(obj_req); |
11f0dafe NH |
850 | return 0; |
851 | } | |
852 | ||
a7a8d378 | 853 | #ifdef USE_CURL_MULTI |
e388ab74 | 854 | while (obj_req->state == WAITING) { |
29508e1e | 855 | step_active_slots(); |
1d389ab6 | 856 | } |
a7a8d378 | 857 | #else |
e388ab74 | 858 | start_object_request(obj_req); |
a7a8d378 | 859 | #endif |
6eb7ed54 | 860 | |
e388ab74 NH |
861 | while (obj_req->state == ACTIVE) { |
862 | run_active_slot(obj_req->slot); | |
a7a8d378 | 863 | } |
e388ab74 NH |
864 | if (obj_req->local != -1) { |
865 | close(obj_req->local); obj_req->local = -1; | |
313c4714 | 866 | } |
6eb7ed54 | 867 | |
e388ab74 | 868 | if (obj_req->state == ABORTED) { |
29508e1e | 869 | ret = error("Request for %s aborted", hex); |
e388ab74 NH |
870 | } else if (obj_req->curl_result != CURLE_OK && |
871 | obj_req->http_code != 416) { | |
be4a015b | 872 | if (missing_target(obj_req)) |
e2029eb9 PB |
873 | ret = -1; /* Be silent, it is probably in a pack. */ |
874 | else | |
875 | ret = error("%s (curl_result = %d, http_code = %ld, sha1 = %s)", | |
e388ab74 NH |
876 | obj_req->errorstr, obj_req->curl_result, |
877 | obj_req->http_code, hex); | |
878 | } else if (obj_req->zret != Z_STREAM_END) { | |
bb528079 | 879 | corrupt_object_found++; |
bd2afde8 | 880 | ret = error("File %s (%s) corrupt", hex, obj_req->url); |
a89fccd2 | 881 | } else if (hashcmp(obj_req->sha1, obj_req->real_sha1)) { |
bd2afde8 | 882 | ret = error("File %s has bad hash", hex); |
e388ab74 | 883 | } else if (obj_req->rename < 0) { |
7b934ec0 MW |
884 | ret = error("unable to write sha1 filename %s", |
885 | obj_req->filename); | |
6eb7ed54 | 886 | } |
49a0f240 | 887 | |
e388ab74 | 888 | release_object_request(obj_req); |
29508e1e | 889 | return ret; |
6eb7ed54 DB |
890 | } |
891 | ||
b3661567 DB |
892 | int fetch(unsigned char *sha1) |
893 | { | |
894 | struct alt_base *altbase = alt; | |
1d389ab6 NH |
895 | |
896 | if (!fetch_object(altbase, sha1)) | |
897 | return 0; | |
b3661567 | 898 | while (altbase) { |
b3661567 DB |
899 | if (!fetch_pack(altbase, sha1)) |
900 | return 0; | |
f7eb290f | 901 | fetch_alternates(alt->base); |
b3661567 DB |
902 | altbase = altbase->next; |
903 | } | |
bd2afde8 | 904 | return error("Unable to find %s under %s", sha1_to_hex(sha1), |
1d389ab6 | 905 | alt->base); |
b3661567 DB |
906 | } |
907 | ||
94fa447a JH |
908 | static inline int needs_quote(int ch) |
909 | { | |
cfd432e6 FF |
910 | if (((ch >= 'A') && (ch <= 'Z')) |
911 | || ((ch >= 'a') && (ch <= 'z')) | |
912 | || ((ch >= '0') && (ch <= '9')) | |
913 | || (ch == '/') | |
914 | || (ch == '-') | |
915 | || (ch == '.')) | |
94fa447a | 916 | return 0; |
cfd432e6 | 917 | return 1; |
94fa447a JH |
918 | } |
919 | ||
920 | static inline int hex(int v) | |
921 | { | |
922 | if (v < 10) return '0' + v; | |
923 | else return 'A' + v - 10; | |
924 | } | |
925 | ||
926 | static char *quote_ref_url(const char *base, const char *ref) | |
927 | { | |
928 | const char *cp; | |
929 | char *dp, *qref; | |
930 | int len, baselen, ch; | |
931 | ||
932 | baselen = strlen(base); | |
2afea3bc | 933 | len = baselen + 7; /* "/refs/" + NUL */ |
94fa447a JH |
934 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
935 | if (needs_quote(ch)) | |
936 | len += 2; /* extra two hex plus replacement % */ | |
937 | qref = xmalloc(len); | |
938 | memcpy(qref, base, baselen); | |
2afea3bc GP |
939 | memcpy(qref + baselen, "/refs/", 6); |
940 | for (cp = ref, dp = qref + baselen + 6; (ch = *cp) != 0; cp++) { | |
94fa447a JH |
941 | if (needs_quote(ch)) { |
942 | *dp++ = '%'; | |
943 | *dp++ = hex((ch >> 4) & 0xF); | |
944 | *dp++ = hex(ch & 0xF); | |
945 | } | |
946 | else | |
947 | *dp++ = ch; | |
948 | } | |
949 | *dp = 0; | |
950 | ||
951 | return qref; | |
952 | } | |
953 | ||
cd541a68 DB |
954 | int fetch_ref(char *ref, unsigned char *sha1) |
955 | { | |
94fa447a | 956 | char *url; |
fa3e0655 DB |
957 | char hex[42]; |
958 | struct buffer buffer; | |
8e29f6a0 | 959 | const char *base = alt->base; |
1d389ab6 | 960 | struct active_request_slot *slot; |
cb754fdf | 961 | struct slot_results results; |
fa3e0655 DB |
962 | buffer.size = 41; |
963 | buffer.posn = 0; | |
964 | buffer.buffer = hex; | |
965 | hex[41] = '\0'; | |
8fcf7f9a | 966 | |
94fa447a | 967 | url = quote_ref_url(base, ref); |
1d389ab6 | 968 | slot = get_active_slot(); |
c8568e13 | 969 | slot->results = &results; |
1d389ab6 NH |
970 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
971 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
972 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
973 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
974 | if (start_active_slot(slot)) { | |
975 | run_active_slot(slot); | |
c8568e13 | 976 | if (results.curl_result != CURLE_OK) |
1d389ab6 NH |
977 | return error("Couldn't get %s for %s\n%s", |
978 | url, ref, curl_errorstr); | |
979 | } else { | |
980 | return error("Unable to start request"); | |
981 | } | |
fa3e0655 DB |
982 | |
983 | hex[40] = '\0'; | |
984 | get_sha1_hex(hex, sha1); | |
985 | return 0; | |
cd541a68 DB |
986 | } |
987 | ||
8e29f6a0 | 988 | int main(int argc, const char **argv) |
6eb7ed54 | 989 | { |
8e29f6a0 PB |
990 | int commits; |
991 | const char **write_ref = NULL; | |
992 | char **commit_id; | |
993 | const char *url; | |
9c880b3e | 994 | char *s; |
6eb7ed54 | 995 | int arg = 1; |
7b9ae53e | 996 | int rc = 0; |
6eb7ed54 | 997 | |
5a327713 | 998 | setup_git_directory(); |
d0740d92 | 999 | git_config(git_default_config); |
5a327713 | 1000 | |
6eb7ed54 DB |
1001 | while (arg < argc && argv[arg][0] == '-') { |
1002 | if (argv[arg][1] == 't') { | |
4250a5e5 | 1003 | get_tree = 1; |
6eb7ed54 | 1004 | } else if (argv[arg][1] == 'c') { |
4250a5e5 | 1005 | get_history = 1; |
6eb7ed54 | 1006 | } else if (argv[arg][1] == 'a') { |
4250a5e5 DB |
1007 | get_all = 1; |
1008 | get_tree = 1; | |
1009 | get_history = 1; | |
e78d9772 JH |
1010 | } else if (argv[arg][1] == 'v') { |
1011 | get_verbosely = 1; | |
fa3e0655 | 1012 | } else if (argv[arg][1] == 'w') { |
8e29f6a0 | 1013 | write_ref = &argv[arg + 1]; |
fa3e0655 | 1014 | arg++; |
820eca68 DB |
1015 | } else if (!strcmp(argv[arg], "--recover")) { |
1016 | get_recover = 1; | |
8e29f6a0 PB |
1017 | } else if (!strcmp(argv[arg], "--stdin")) { |
1018 | commits_on_stdin = 1; | |
6eb7ed54 DB |
1019 | } |
1020 | arg++; | |
1021 | } | |
8e29f6a0 PB |
1022 | if (argc < arg + 2 - commits_on_stdin) { |
1023 | usage("git-http-fetch [-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url"); | |
6eb7ed54 DB |
1024 | return 1; |
1025 | } | |
8e29f6a0 PB |
1026 | if (commits_on_stdin) { |
1027 | commits = pull_targets_stdin(&commit_id, &write_ref); | |
1028 | } else { | |
1029 | commit_id = (char **) &argv[arg++]; | |
1030 | commits = 1; | |
1031 | } | |
1032 | url = argv[arg]; | |
6eb7ed54 | 1033 | |
29508e1e | 1034 | http_init(); |
d402d556 | 1035 | |
1db69b57 | 1036 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); |
3dcb90f5 | 1037 | |
b3661567 | 1038 | alt = xmalloc(sizeof(*alt)); |
2afea3bc GP |
1039 | alt->base = xmalloc(strlen(url) + 1); |
1040 | strcpy(alt->base, url); | |
9c880b3e GP |
1041 | for (s = alt->base + strlen(alt->base) - 1; *s == '/'; --s) |
1042 | *s = 0; | |
b3661567 DB |
1043 | alt->got_indices = 0; |
1044 | alt->packs = NULL; | |
1045 | alt->next = NULL; | |
6eb7ed54 | 1046 | |
8e29f6a0 | 1047 | if (pull(commits, commit_id, write_ref, url)) |
7b9ae53e | 1048 | rc = 1; |
6eb7ed54 | 1049 | |
29508e1e NH |
1050 | http_cleanup(); |
1051 | ||
07001f95 SE |
1052 | curl_slist_free_all(no_pragma_header); |
1053 | ||
8e29f6a0 PB |
1054 | if (commits_on_stdin) |
1055 | pull_targets_free(commits, commit_id, write_ref); | |
1056 | ||
bb528079 JH |
1057 | if (corrupt_object_found) { |
1058 | fprintf(stderr, | |
1059 | "Some loose object were found to be corrupt, but they might be just\n" | |
1060 | "a false '404 Not Found' error message sent with incorrect HTTP\n" | |
df391b19 | 1061 | "status code. Suggest running git-fsck.\n"); |
bb528079 | 1062 | } |
7b9ae53e | 1063 | return rc; |
6eb7ed54 | 1064 | } |