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Commit | Line | Data |
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8bc9a0c7 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
e83c5163 | 6 | #include "cache.h" |
b2141fc1 | 7 | #include "config.h" |
f81daefe | 8 | #include "builtin.h" |
3a35cb2e | 9 | #include "diff.h" |
15d8e565 | 10 | #include "parse-options.h" |
e5fba602 | 11 | #include "userdiff.h" |
00c8fd49 | 12 | #include "streaming.h" |
122d5346 | 13 | #include "tree-walk.h" |
3115ee45 | 14 | #include "sha1-array.h" |
7709f468 | 15 | #include "packfile.h" |
cbd53a21 | 16 | #include "object-store.h" |
15d8e565 | 17 | |
bfd15594 JK |
18 | struct batch_options { |
19 | int enabled; | |
20 | int follow_symlinks; | |
21 | int print_contents; | |
fc4937c3 | 22 | int buffer_output; |
6a951937 | 23 | int all_objects; |
0750bb5b | 24 | int unordered; |
32145943 | 25 | int cmdmode; /* may be 'w' or 'c' for --filters or --textconv */ |
bfd15594 JK |
26 | const char *format; |
27 | }; | |
28 | ||
7bcf3414 JS |
29 | static const char *force_path; |
30 | ||
b9e62f60 | 31 | static int filter_object(const char *path, unsigned mode, |
7889ed25 | 32 | const struct object_id *oid, |
b9e62f60 JS |
33 | char **buf, unsigned long *size) |
34 | { | |
35 | enum object_type type; | |
36 | ||
b4f5aca4 | 37 | *buf = read_object_file(oid, &type, size); |
b9e62f60 JS |
38 | if (!*buf) |
39 | return error(_("cannot read object %s '%s'"), | |
7889ed25 | 40 | oid_to_hex(oid), path); |
b9e62f60 JS |
41 | if ((type == OBJ_BLOB) && S_ISREG(mode)) { |
42 | struct strbuf strbuf = STRBUF_INIT; | |
7f944e26 | 43 | if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf)) { |
b9e62f60 JS |
44 | free(*buf); |
45 | *size = strbuf.len; | |
46 | *buf = strbuf_detach(&strbuf, NULL); | |
47 | } | |
48 | } | |
49 | ||
50 | return 0; | |
51 | } | |
52 | ||
39e4ae38 KN |
53 | static int cat_one_file(int opt, const char *exp_type, const char *obj_name, |
54 | int unknown_type) | |
e83c5163 | 55 | { |
63ecb99e | 56 | struct object_id oid; |
21666f1a | 57 | enum object_type type; |
e5fba602 | 58 | char *buf; |
e83c5163 | 59 | unsigned long size; |
e5fba602 | 60 | struct object_context obj_context; |
27b5c1a0 | 61 | struct object_info oi = OBJECT_INFO_INIT; |
39e4ae38 | 62 | struct strbuf sb = STRBUF_INIT; |
1f0c0d36 | 63 | unsigned flags = OBJECT_INFO_LOOKUP_REPLACE; |
7bcf3414 | 64 | const char *path = force_path; |
39e4ae38 KN |
65 | |
66 | if (unknown_type) | |
19fc5e84 | 67 | flags |= OBJECT_INFO_ALLOW_UNKNOWN_TYPE; |
2b6854c8 | 68 | |
321c89bf | 69 | if (get_oid_with_context(obj_name, GET_OID_RECORD_PATH, |
e82caf38 | 70 | &oid, &obj_context)) |
2b6854c8 | 71 | die("Not a valid object name %s", obj_name); |
7950571a | 72 | |
7bcf3414 JS |
73 | if (!path) |
74 | path = obj_context.path; | |
75 | if (obj_context.mode == S_IFINVALID) | |
76 | obj_context.mode = 0100644; | |
77 | ||
7950571a PA |
78 | buf = NULL; |
79 | switch (opt) { | |
80 | case 't': | |
6ca32f47 | 81 | oi.type_name = &sb; |
7ecd8690 | 82 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 KN |
83 | die("git cat-file: could not get object info"); |
84 | if (sb.len) { | |
85 | printf("%s\n", sb.buf); | |
86 | strbuf_release(&sb); | |
f2a06330 | 87 | return 0; |
11e7d5c5 | 88 | } |
7950571a PA |
89 | break; |
90 | ||
91 | case 's': | |
39e4ae38 | 92 | oi.sizep = &size; |
7ecd8690 | 93 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 KN |
94 | die("git cat-file: could not get object info"); |
95 | printf("%lu\n", size); | |
96 | return 0; | |
7950571a PA |
97 | |
98 | case 'e': | |
63ecb99e | 99 | return !has_object_file(&oid); |
7950571a | 100 | |
b9e62f60 | 101 | case 'w': |
cc0ea7c9 | 102 | if (!path) |
b9e62f60 JS |
103 | die("git cat-file --filters %s: <object> must be " |
104 | "<sha1:path>", obj_name); | |
105 | ||
7bcf3414 | 106 | if (filter_object(path, obj_context.mode, |
7889ed25 | 107 | &oid, &buf, &size)) |
b9e62f60 JS |
108 | return -1; |
109 | break; | |
110 | ||
3ac21617 | 111 | case 'c': |
cc0ea7c9 | 112 | if (!path) |
3ac21617 MG |
113 | die("git cat-file --textconv %s: <object> must be <sha1:path>", |
114 | obj_name); | |
115 | ||
6afaf807 NTND |
116 | if (textconv_object(the_repository, path, obj_context.mode, |
117 | &oid, 1, &buf, &size)) | |
3ac21617 | 118 | break; |
1cf01a34 | 119 | /* else fallthrough */ |
3ac21617 | 120 | |
a0f15fa5 | 121 | case 'p': |
0df8e965 | 122 | type = oid_object_info(the_repository, &oid, NULL); |
21666f1a | 123 | if (type < 0) |
2b6854c8 | 124 | die("Not a valid object name %s", obj_name); |
a0f15fa5 JH |
125 | |
126 | /* custom pretty-print here */ | |
2b6854c8 | 127 | if (type == OBJ_TREE) { |
66dbfd55 GV |
128 | const char *ls_args[3] = { NULL }; |
129 | ls_args[0] = "ls-tree"; | |
130 | ls_args[1] = obj_name; | |
2b6854c8 SP |
131 | return cmd_ls_tree(2, ls_args, NULL); |
132 | } | |
a0f15fa5 | 133 | |
00c8fd49 | 134 | if (type == OBJ_BLOB) |
7eda0e4f | 135 | return stream_blob_to_fd(1, &oid, NULL, 0); |
b4f5aca4 | 136 | buf = read_object_file(&oid, &type, &size); |
a0f15fa5 | 137 | if (!buf) |
2b6854c8 | 138 | die("Cannot read object %s", obj_name); |
a0f15fa5 JH |
139 | |
140 | /* otherwise just spit out the data */ | |
141 | break; | |
e5fba602 | 142 | |
7950571a | 143 | case 0: |
00c8fd49 | 144 | if (type_from_string(exp_type) == OBJ_BLOB) { |
63ecb99e | 145 | struct object_id blob_oid; |
0df8e965 | 146 | if (oid_object_info(the_repository, &oid, NULL) == OBJ_TAG) { |
b4f5aca4 | 147 | char *buffer = read_object_file(&oid, &type, |
148 | &size); | |
e3f1da98 RS |
149 | const char *target; |
150 | if (!skip_prefix(buffer, "object ", &target) || | |
63ecb99e | 151 | get_oid_hex(target, &blob_oid)) |
152 | die("%s not a valid tag", oid_to_hex(&oid)); | |
00c8fd49 NTND |
153 | free(buffer); |
154 | } else | |
63ecb99e | 155 | oidcpy(&blob_oid, &oid); |
00c8fd49 | 156 | |
0df8e965 | 157 | if (oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB) |
7eda0e4f | 158 | return stream_blob_to_fd(1, &blob_oid, NULL, 0); |
00c8fd49 NTND |
159 | /* |
160 | * we attempted to dereference a tag to a blob | |
161 | * and failed; there may be new dereference | |
162 | * mechanisms this code is not aware of. | |
163 | * fall-back to the usual case. | |
164 | */ | |
165 | } | |
02f0547e | 166 | buf = read_object_with_reference(&oid, exp_type, &size, NULL); |
7950571a PA |
167 | break; |
168 | ||
169 | default: | |
d7530708 | 170 | die("git cat-file: unknown option: %s", exp_type); |
bf0c6e83 LT |
171 | } |
172 | ||
11e7d5c5 | 173 | if (!buf) |
34baebce | 174 | die("git cat-file %s: bad file", obj_name); |
11e7d5c5 | 175 | |
7230e6d0 | 176 | write_or_die(1, buf, size); |
05c2b7ba | 177 | free(buf); |
dc944b65 | 178 | free(obj_context.path); |
bf0c6e83 | 179 | return 0; |
e83c5163 | 180 | } |
9cf71b17 | 181 | |
93d2a607 | 182 | struct expand_data { |
cd4f77be | 183 | struct object_id oid; |
93d2a607 JK |
184 | enum object_type type; |
185 | unsigned long size; | |
166df26f | 186 | off_t disk_size; |
97be0407 | 187 | const char *rest; |
cd4f77be | 188 | struct object_id delta_base_oid; |
93d2a607 JK |
189 | |
190 | /* | |
191 | * If mark_query is true, we do not expand anything, but rather | |
192 | * just mark the object_info with items we wish to query. | |
193 | */ | |
194 | int mark_query; | |
195 | ||
97be0407 JK |
196 | /* |
197 | * Whether to split the input on whitespace before feeding it to | |
198 | * get_sha1; this is decided during the mark_query phase based on | |
199 | * whether we have a %(rest) token in our format. | |
200 | */ | |
201 | int split_on_whitespace; | |
202 | ||
93d2a607 JK |
203 | /* |
204 | * After a mark_query run, this object_info is set up to be | |
205 | * passed to sha1_object_info_extended. It will point to the data | |
206 | * elements above, so you can retrieve the response from there. | |
207 | */ | |
208 | struct object_info info; | |
845de33a JK |
209 | |
210 | /* | |
211 | * This flag will be true if the requested batch format and options | |
212 | * don't require us to call sha1_object_info, which can then be | |
213 | * optimized out. | |
214 | */ | |
215 | unsigned skip_object_info : 1; | |
93d2a607 JK |
216 | }; |
217 | ||
218 | static int is_atom(const char *atom, const char *s, int slen) | |
219 | { | |
220 | int alen = strlen(atom); | |
221 | return alen == slen && !memcmp(atom, s, alen); | |
222 | } | |
223 | ||
224 | static void expand_atom(struct strbuf *sb, const char *atom, int len, | |
225 | void *vdata) | |
226 | { | |
227 | struct expand_data *data = vdata; | |
228 | ||
229 | if (is_atom("objectname", atom, len)) { | |
230 | if (!data->mark_query) | |
cd4f77be | 231 | strbuf_addstr(sb, oid_to_hex(&data->oid)); |
93d2a607 | 232 | } else if (is_atom("objecttype", atom, len)) { |
5b086407 JK |
233 | if (data->mark_query) |
234 | data->info.typep = &data->type; | |
235 | else | |
debca9d2 | 236 | strbuf_addstr(sb, type_name(data->type)); |
93d2a607 JK |
237 | } else if (is_atom("objectsize", atom, len)) { |
238 | if (data->mark_query) | |
239 | data->info.sizep = &data->size; | |
240 | else | |
241 | strbuf_addf(sb, "%lu", data->size); | |
a4ac1061 JK |
242 | } else if (is_atom("objectsize:disk", atom, len)) { |
243 | if (data->mark_query) | |
244 | data->info.disk_sizep = &data->disk_size; | |
245 | else | |
166df26f | 246 | strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size); |
97be0407 JK |
247 | } else if (is_atom("rest", atom, len)) { |
248 | if (data->mark_query) | |
249 | data->split_on_whitespace = 1; | |
250 | else if (data->rest) | |
251 | strbuf_addstr(sb, data->rest); | |
65ea9c3c JK |
252 | } else if (is_atom("deltabase", atom, len)) { |
253 | if (data->mark_query) | |
cd4f77be | 254 | data->info.delta_base_sha1 = data->delta_base_oid.hash; |
65ea9c3c | 255 | else |
cd4f77be | 256 | strbuf_addstr(sb, |
257 | oid_to_hex(&data->delta_base_oid)); | |
93d2a607 JK |
258 | } else |
259 | die("unknown format element: %.*s", len, atom); | |
260 | } | |
261 | ||
262 | static size_t expand_format(struct strbuf *sb, const char *start, void *data) | |
263 | { | |
264 | const char *end; | |
265 | ||
266 | if (*start != '(') | |
267 | return 0; | |
268 | end = strchr(start + 1, ')'); | |
269 | if (!end) | |
270 | die("format element '%s' does not end in ')'", start); | |
271 | ||
272 | expand_atom(sb, start + 1, end - start - 1, data); | |
273 | ||
274 | return end - start + 1; | |
275 | } | |
276 | ||
fc4937c3 JK |
277 | static void batch_write(struct batch_options *opt, const void *data, int len) |
278 | { | |
279 | if (opt->buffer_output) { | |
280 | if (fwrite(data, 1, len, stdout) != len) | |
281 | die_errno("unable to write to stdout"); | |
282 | } else | |
283 | write_or_die(1, data, len); | |
284 | } | |
285 | ||
286 | static void print_object_or_die(struct batch_options *opt, struct expand_data *data) | |
98e2092b | 287 | { |
63ecb99e | 288 | const struct object_id *oid = &data->oid; |
370c9268 | 289 | |
6554dfa9 JK |
290 | assert(data->info.typep); |
291 | ||
370c9268 | 292 | if (data->type == OBJ_BLOB) { |
fc4937c3 JK |
293 | if (opt->buffer_output) |
294 | fflush(stdout); | |
32145943 JS |
295 | if (opt->cmdmode) { |
296 | char *contents; | |
297 | unsigned long size; | |
298 | ||
299 | if (!data->rest) | |
7889ed25 | 300 | die("missing path for '%s'", oid_to_hex(oid)); |
32145943 JS |
301 | |
302 | if (opt->cmdmode == 'w') { | |
7889ed25 | 303 | if (filter_object(data->rest, 0100644, oid, |
32145943 JS |
304 | &contents, &size)) |
305 | die("could not convert '%s' %s", | |
7889ed25 | 306 | oid_to_hex(oid), data->rest); |
32145943 JS |
307 | } else if (opt->cmdmode == 'c') { |
308 | enum object_type type; | |
6afaf807 NTND |
309 | if (!textconv_object(the_repository, |
310 | data->rest, 0100644, oid, | |
32145943 | 311 | 1, &contents, &size)) |
b4f5aca4 | 312 | contents = read_object_file(oid, |
313 | &type, | |
314 | &size); | |
32145943 JS |
315 | if (!contents) |
316 | die("could not convert '%s' %s", | |
7889ed25 | 317 | oid_to_hex(oid), data->rest); |
32145943 | 318 | } else |
033abf97 | 319 | BUG("invalid cmdmode: %c", opt->cmdmode); |
32145943 JS |
320 | batch_write(opt, contents, size); |
321 | free(contents); | |
7889ed25 | 322 | } else if (stream_blob_to_fd(1, oid, NULL, 0) < 0) |
63ecb99e | 323 | die("unable to stream %s to stdout", oid_to_hex(oid)); |
98e2092b JK |
324 | } |
325 | else { | |
370c9268 JK |
326 | enum object_type type; |
327 | unsigned long size; | |
98e2092b JK |
328 | void *contents; |
329 | ||
b4f5aca4 | 330 | contents = read_object_file(oid, &type, &size); |
98e2092b | 331 | if (!contents) |
63ecb99e | 332 | die("object %s disappeared", oid_to_hex(oid)); |
370c9268 | 333 | if (type != data->type) |
63ecb99e | 334 | die("object %s changed type!?", oid_to_hex(oid)); |
6554dfa9 | 335 | if (data->info.sizep && size != data->size) |
63ecb99e | 336 | die("object %s changed size!?", oid_to_hex(oid)); |
98e2092b | 337 | |
fc4937c3 | 338 | batch_write(opt, contents, size); |
98e2092b JK |
339 | free(contents); |
340 | } | |
341 | } | |
342 | ||
79ed0a5e JK |
343 | static void batch_object_write(const char *obj_name, |
344 | struct strbuf *scratch, | |
345 | struct batch_options *opt, | |
44b877e9 JK |
346 | struct expand_data *data) |
347 | { | |
845de33a | 348 | if (!data->skip_object_info && |
7ecd8690 | 349 | oid_object_info_extended(the_repository, &data->oid, &data->info, |
abef9020 | 350 | OBJECT_INFO_LOOKUP_REPLACE) < 0) { |
cd4f77be | 351 | printf("%s missing\n", |
352 | obj_name ? obj_name : oid_to_hex(&data->oid)); | |
44b877e9 JK |
353 | fflush(stdout); |
354 | return; | |
355 | } | |
356 | ||
79ed0a5e JK |
357 | strbuf_reset(scratch); |
358 | strbuf_expand(scratch, opt->format, expand_format, data); | |
359 | strbuf_addch(scratch, '\n'); | |
360 | batch_write(opt, scratch->buf, scratch->len); | |
44b877e9 JK |
361 | |
362 | if (opt->print_contents) { | |
363 | print_object_or_die(opt, data); | |
364 | batch_write(opt, "\n", 1); | |
365 | } | |
366 | } | |
367 | ||
79ed0a5e JK |
368 | static void batch_one_object(const char *obj_name, |
369 | struct strbuf *scratch, | |
370 | struct batch_options *opt, | |
82330950 | 371 | struct expand_data *data) |
05d5667f | 372 | { |
122d5346 | 373 | struct object_context ctx; |
321c89bf | 374 | int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; |
122d5346 | 375 | enum follow_symlinks_result result; |
05d5667f | 376 | |
e82caf38 | 377 | result = get_oid_with_context(obj_name, flags, &data->oid, &ctx); |
122d5346 DT |
378 | if (result != FOUND) { |
379 | switch (result) { | |
380 | case MISSING_OBJECT: | |
381 | printf("%s missing\n", obj_name); | |
382 | break; | |
383 | case DANGLING_SYMLINK: | |
384 | printf("dangling %"PRIuMAX"\n%s\n", | |
385 | (uintmax_t)strlen(obj_name), obj_name); | |
386 | break; | |
387 | case SYMLINK_LOOP: | |
388 | printf("loop %"PRIuMAX"\n%s\n", | |
389 | (uintmax_t)strlen(obj_name), obj_name); | |
390 | break; | |
391 | case NOT_DIR: | |
392 | printf("notdir %"PRIuMAX"\n%s\n", | |
393 | (uintmax_t)strlen(obj_name), obj_name); | |
394 | break; | |
395 | default: | |
033abf97 | 396 | BUG("unknown get_sha1_with_context result %d\n", |
122d5346 DT |
397 | result); |
398 | break; | |
399 | } | |
400 | fflush(stdout); | |
82330950 | 401 | return; |
122d5346 DT |
402 | } |
403 | ||
404 | if (ctx.mode == 0) { | |
405 | printf("symlink %"PRIuMAX"\n%s\n", | |
406 | (uintmax_t)ctx.symlink_path.len, | |
407 | ctx.symlink_path.buf); | |
422b2063 | 408 | fflush(stdout); |
82330950 | 409 | return; |
05d5667f AR |
410 | } |
411 | ||
79ed0a5e | 412 | batch_object_write(obj_name, scratch, opt, data); |
05d5667f AR |
413 | } |
414 | ||
6a951937 JK |
415 | struct object_cb_data { |
416 | struct batch_options *opt; | |
417 | struct expand_data *expand; | |
0750bb5b | 418 | struct oidset *seen; |
79ed0a5e | 419 | struct strbuf *scratch; |
6a951937 JK |
420 | }; |
421 | ||
1b7ba794 | 422 | static int batch_object_cb(const struct object_id *oid, void *vdata) |
6a951937 | 423 | { |
3115ee45 | 424 | struct object_cb_data *data = vdata; |
1b7ba794 | 425 | oidcpy(&data->expand->oid, oid); |
79ed0a5e | 426 | batch_object_write(NULL, data->scratch, data->opt, data->expand); |
16ddcd40 | 427 | return 0; |
6a951937 JK |
428 | } |
429 | ||
b1adb384 JK |
430 | static int collect_loose_object(const struct object_id *oid, |
431 | const char *path, | |
432 | void *data) | |
6a951937 | 433 | { |
910650d2 | 434 | oid_array_append(data, oid); |
3115ee45 | 435 | return 0; |
6a951937 JK |
436 | } |
437 | ||
b1adb384 JK |
438 | static int collect_packed_object(const struct object_id *oid, |
439 | struct packed_git *pack, | |
440 | uint32_t pos, | |
441 | void *data) | |
6a951937 | 442 | { |
910650d2 | 443 | oid_array_append(data, oid); |
3115ee45 | 444 | return 0; |
6a951937 JK |
445 | } |
446 | ||
0750bb5b JK |
447 | static int batch_unordered_object(const struct object_id *oid, void *vdata) |
448 | { | |
449 | struct object_cb_data *data = vdata; | |
450 | ||
ced9fff7 | 451 | if (oidset_insert(data->seen, oid)) |
0750bb5b | 452 | return 0; |
0750bb5b JK |
453 | |
454 | return batch_object_cb(oid, data); | |
455 | } | |
456 | ||
457 | static int batch_unordered_loose(const struct object_id *oid, | |
458 | const char *path, | |
459 | void *data) | |
460 | { | |
461 | return batch_unordered_object(oid, data); | |
462 | } | |
463 | ||
464 | static int batch_unordered_packed(const struct object_id *oid, | |
465 | struct packed_git *pack, | |
466 | uint32_t pos, | |
467 | void *data) | |
468 | { | |
469 | return batch_unordered_object(oid, data); | |
470 | } | |
471 | ||
b71bd480 | 472 | static int batch_objects(struct batch_options *opt) |
05d5667f | 473 | { |
54d2f0d9 JK |
474 | struct strbuf input = STRBUF_INIT; |
475 | struct strbuf output = STRBUF_INIT; | |
93d2a607 | 476 | struct expand_data data; |
a42fcd15 | 477 | int save_warning; |
07e23839 | 478 | int retval = 0; |
93d2a607 JK |
479 | |
480 | if (!opt->format) | |
481 | opt->format = "%(objectname) %(objecttype) %(objectsize)"; | |
482 | ||
483 | /* | |
484 | * Expand once with our special mark_query flag, which will prime the | |
485 | * object_info to be handed to sha1_object_info_extended for each | |
486 | * object. | |
487 | */ | |
488 | memset(&data, 0, sizeof(data)); | |
489 | data.mark_query = 1; | |
54d2f0d9 | 490 | strbuf_expand(&output, opt->format, expand_format, &data); |
93d2a607 | 491 | data.mark_query = 0; |
54d2f0d9 | 492 | strbuf_release(&output); |
32145943 JS |
493 | if (opt->cmdmode) |
494 | data.split_on_whitespace = 1; | |
05d5667f | 495 | |
845de33a | 496 | if (opt->all_objects) { |
27b5c1a0 | 497 | struct object_info empty = OBJECT_INFO_INIT; |
845de33a JK |
498 | if (!memcmp(&data.info, &empty, sizeof(empty))) |
499 | data.skip_object_info = 1; | |
500 | } | |
501 | ||
6554dfa9 JK |
502 | /* |
503 | * If we are printing out the object, then always fill in the type, | |
504 | * since we will want to decide whether or not to stream. | |
505 | */ | |
506 | if (opt->print_contents) | |
507 | data.info.typep = &data.type; | |
508 | ||
6a951937 JK |
509 | if (opt->all_objects) { |
510 | struct object_cb_data cb; | |
3115ee45 | 511 | |
8b4c0103 JT |
512 | if (repository_format_partial_clone) |
513 | warning("This repository has extensions.partialClone set. Some objects may not be loaded."); | |
3115ee45 | 514 | |
6a951937 JK |
515 | cb.opt = opt; |
516 | cb.expand = &data; | |
79ed0a5e | 517 | cb.scratch = &output; |
3115ee45 | 518 | |
0750bb5b JK |
519 | if (opt->unordered) { |
520 | struct oidset seen = OIDSET_INIT; | |
521 | ||
522 | cb.seen = &seen; | |
523 | ||
524 | for_each_loose_object(batch_unordered_loose, &cb, 0); | |
525 | for_each_packed_object(batch_unordered_packed, &cb, | |
526 | FOR_EACH_OBJECT_PACK_ORDER); | |
527 | ||
528 | oidset_clear(&seen); | |
529 | } else { | |
530 | struct oid_array sa = OID_ARRAY_INIT; | |
531 | ||
532 | for_each_loose_object(collect_loose_object, &sa, 0); | |
533 | for_each_packed_object(collect_packed_object, &sa, 0); | |
534 | ||
535 | oid_array_for_each_unique(&sa, batch_object_cb, &cb); | |
536 | ||
537 | oid_array_clear(&sa); | |
538 | } | |
539 | ||
79ed0a5e | 540 | strbuf_release(&output); |
6a951937 JK |
541 | return 0; |
542 | } | |
543 | ||
25fba78d JK |
544 | /* |
545 | * We are going to call get_sha1 on a potentially very large number of | |
546 | * objects. In most large cases, these will be actual object sha1s. The | |
547 | * cost to double-check that each one is not also a ref (just so we can | |
548 | * warn) ends up dwarfing the actual cost of the object lookups | |
549 | * themselves. We can work around it by just turning off the warning. | |
550 | */ | |
a42fcd15 | 551 | save_warning = warn_on_object_refname_ambiguity; |
25fba78d JK |
552 | warn_on_object_refname_ambiguity = 0; |
553 | ||
54d2f0d9 | 554 | while (strbuf_getline(&input, stdin) != EOF) { |
97be0407 JK |
555 | if (data.split_on_whitespace) { |
556 | /* | |
557 | * Split at first whitespace, tying off the beginning | |
558 | * of the string and saving the remainder (or NULL) in | |
559 | * data.rest. | |
560 | */ | |
54d2f0d9 | 561 | char *p = strpbrk(input.buf, " \t"); |
97be0407 JK |
562 | if (p) { |
563 | while (*p && strchr(" \t", *p)) | |
564 | *p++ = '\0'; | |
565 | } | |
566 | data.rest = p; | |
567 | } | |
568 | ||
79ed0a5e | 569 | batch_one_object(input.buf, &output, opt, &data); |
05d5667f AR |
570 | } |
571 | ||
54d2f0d9 | 572 | strbuf_release(&input); |
79ed0a5e | 573 | strbuf_release(&output); |
a42fcd15 | 574 | warn_on_object_refname_ambiguity = save_warning; |
07e23839 | 575 | return retval; |
05d5667f AR |
576 | } |
577 | ||
15d8e565 | 578 | static const char * const cat_file_usage[] = { |
7889ed25 JH |
579 | N_("git cat-file (-t [--allow-unknown-type] | -s [--allow-unknown-type] | -e | -p | <type> | --textconv | --filters) [--path=<path>] <object>"), |
580 | N_("git cat-file (--batch | --batch-check) [--follow-symlinks] [--textconv | --filters]"), | |
15d8e565 MB |
581 | NULL |
582 | }; | |
4814dbe8 | 583 | |
e5fba602 CP |
584 | static int git_cat_file_config(const char *var, const char *value, void *cb) |
585 | { | |
6680a087 | 586 | if (userdiff_config(var, value) < 0) |
e5fba602 | 587 | return -1; |
e5fba602 CP |
588 | |
589 | return git_default_config(var, value, cb); | |
590 | } | |
591 | ||
b71bd480 JK |
592 | static int batch_option_callback(const struct option *opt, |
593 | const char *arg, | |
594 | int unset) | |
595 | { | |
596 | struct batch_options *bo = opt->value; | |
597 | ||
122d5346 DT |
598 | if (bo->enabled) { |
599 | return 1; | |
b71bd480 JK |
600 | } |
601 | ||
602 | bo->enabled = 1; | |
603 | bo->print_contents = !strcmp(opt->long_name, "batch"); | |
93d2a607 | 604 | bo->format = arg; |
b71bd480 JK |
605 | |
606 | return 0; | |
607 | } | |
608 | ||
9cf71b17 AR |
609 | int cmd_cat_file(int argc, const char **argv, const char *prefix) |
610 | { | |
b71bd480 | 611 | int opt = 0; |
4814dbe8 | 612 | const char *exp_type = NULL, *obj_name = NULL; |
b71bd480 | 613 | struct batch_options batch = {0}; |
39e4ae38 | 614 | int unknown_type = 0; |
9cf71b17 | 615 | |
15d8e565 | 616 | const struct option options[] = { |
d68faec7 | 617 | OPT_GROUP(N_("<type> can be one of: blob, tree, commit, tag")), |
b48158ac KN |
618 | OPT_CMDMODE('t', NULL, &opt, N_("show object type"), 't'), |
619 | OPT_CMDMODE('s', NULL, &opt, N_("show object size"), 's'), | |
620 | OPT_CMDMODE('e', NULL, &opt, | |
d68faec7 | 621 | N_("exit with zero when there's no error"), 'e'), |
b48158ac KN |
622 | OPT_CMDMODE('p', NULL, &opt, N_("pretty-print object's content"), 'p'), |
623 | OPT_CMDMODE(0, "textconv", &opt, | |
d68faec7 | 624 | N_("for blob objects, run textconv on object's content"), 'c'), |
b9e62f60 JS |
625 | OPT_CMDMODE(0, "filters", &opt, |
626 | N_("for blob objects, run filters on object's content"), 'w'), | |
7bcf3414 JS |
627 | OPT_STRING(0, "path", &force_path, N_("blob"), |
628 | N_("use a specific path for --textconv/--filters")), | |
ad42f28d | 629 | OPT_BOOL(0, "allow-unknown-type", &unknown_type, |
39e4ae38 | 630 | N_("allow -s and -t to work with broken/corrupt objects")), |
fc4937c3 | 631 | OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")), |
93d2a607 | 632 | { OPTION_CALLBACK, 0, "batch", &batch, "format", |
b71bd480 | 633 | N_("show info and content of objects fed from the standard input"), |
93d2a607 JK |
634 | PARSE_OPT_OPTARG, batch_option_callback }, |
635 | { OPTION_CALLBACK, 0, "batch-check", &batch, "format", | |
b71bd480 | 636 | N_("show info about objects fed from the standard input"), |
93d2a607 | 637 | PARSE_OPT_OPTARG, batch_option_callback }, |
122d5346 DT |
638 | OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks, |
639 | N_("follow in-tree symlinks (used with --batch or --batch-check)")), | |
6a951937 JK |
640 | OPT_BOOL(0, "batch-all-objects", &batch.all_objects, |
641 | N_("show all objects with --batch or --batch-check")), | |
0750bb5b JK |
642 | OPT_BOOL(0, "unordered", &batch.unordered, |
643 | N_("do not order --batch-all-objects output")), | |
15d8e565 MB |
644 | OPT_END() |
645 | }; | |
a8128ed6 | 646 | |
e5fba602 | 647 | git_config(git_cat_file_config, NULL); |
4814dbe8 | 648 | |
6a36e1e7 | 649 | batch.buffer_output = -1; |
37782920 | 650 | argc = parse_options(argc, argv, prefix, options, cat_file_usage, 0); |
05d5667f | 651 | |
15d8e565 | 652 | if (opt) { |
32145943 JS |
653 | if (batch.enabled && (opt == 'c' || opt == 'w')) |
654 | batch.cmdmode = opt; | |
655 | else if (argc == 1) | |
15d8e565 MB |
656 | obj_name = argv[0]; |
657 | else | |
658 | usage_with_options(cat_file_usage, options); | |
659 | } | |
b71bd480 | 660 | if (!opt && !batch.enabled) { |
15d8e565 MB |
661 | if (argc == 2) { |
662 | exp_type = argv[0]; | |
663 | obj_name = argv[1]; | |
664 | } else | |
665 | usage_with_options(cat_file_usage, options); | |
666 | } | |
32145943 JS |
667 | if (batch.enabled) { |
668 | if (batch.cmdmode != opt || argc) | |
669 | usage_with_options(cat_file_usage, options); | |
670 | if (batch.cmdmode && batch.all_objects) | |
671 | die("--batch-all-objects cannot be combined with " | |
672 | "--textconv nor with --filters"); | |
9cf71b17 AR |
673 | } |
674 | ||
6a951937 | 675 | if ((batch.follow_symlinks || batch.all_objects) && !batch.enabled) { |
122d5346 DT |
676 | usage_with_options(cat_file_usage, options); |
677 | } | |
678 | ||
7bcf3414 JS |
679 | if (force_path && opt != 'c' && opt != 'w') { |
680 | error("--path=<path> needs --textconv or --filters"); | |
681 | usage_with_options(cat_file_usage, options); | |
682 | } | |
683 | ||
32145943 JS |
684 | if (force_path && batch.enabled) { |
685 | error("--path=<path> incompatible with --batch"); | |
686 | usage_with_options(cat_file_usage, options); | |
687 | } | |
688 | ||
6a36e1e7 JK |
689 | if (batch.buffer_output < 0) |
690 | batch.buffer_output = batch.all_objects; | |
691 | ||
b71bd480 JK |
692 | if (batch.enabled) |
693 | return batch_objects(&batch); | |
05d5667f | 694 | |
39e4ae38 KN |
695 | if (unknown_type && opt != 't' && opt != 's') |
696 | die("git cat-file --allow-unknown-type: use with -s or -t"); | |
697 | return cat_one_file(opt, exp_type, obj_name, unknown_type); | |
9cf71b17 | 698 | } |