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Commit | Line | Data |
---|---|---|
8bc9a0c7 LT |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Linus Torvalds, 2005 | |
5 | */ | |
f8adbec9 | 6 | #define USE_THE_INDEX_COMPATIBILITY_MACROS |
e83c5163 | 7 | #include "cache.h" |
b2141fc1 | 8 | #include "config.h" |
f81daefe | 9 | #include "builtin.h" |
3a35cb2e | 10 | #include "diff.h" |
15d8e565 | 11 | #include "parse-options.h" |
e5fba602 | 12 | #include "userdiff.h" |
00c8fd49 | 13 | #include "streaming.h" |
122d5346 | 14 | #include "tree-walk.h" |
fe299ec5 | 15 | #include "oid-array.h" |
7709f468 | 16 | #include "packfile.h" |
cbd53a21 | 17 | #include "object-store.h" |
b14ed5ad | 18 | #include "promisor-remote.h" |
ec031da9 | 19 | #include "mailmap.h" |
15d8e565 | 20 | |
ac4e58ca JC |
21 | enum batch_mode { |
22 | BATCH_MODE_CONTENTS, | |
23 | BATCH_MODE_INFO, | |
440c705e | 24 | BATCH_MODE_QUEUE_AND_DISPATCH, |
ac4e58ca JC |
25 | }; |
26 | ||
bfd15594 JK |
27 | struct batch_options { |
28 | int enabled; | |
29 | int follow_symlinks; | |
ac4e58ca | 30 | enum batch_mode batch_mode; |
fc4937c3 | 31 | int buffer_output; |
6a951937 | 32 | int all_objects; |
0750bb5b | 33 | int unordered; |
a2c75526 | 34 | int transform_mode; /* may be 'w' or 'c' for --filters or --textconv */ |
db9d67f2 | 35 | int nul_terminated; |
bfd15594 JK |
36 | const char *format; |
37 | }; | |
38 | ||
7bcf3414 JS |
39 | static const char *force_path; |
40 | ||
ec031da9 SA |
41 | static struct string_list mailmap = STRING_LIST_INIT_NODUP; |
42 | static int use_mailmap; | |
43 | ||
44 | static char *replace_idents_using_mailmap(char *, size_t *); | |
45 | ||
46 | static char *replace_idents_using_mailmap(char *object_buf, size_t *size) | |
47 | { | |
48 | struct strbuf sb = STRBUF_INIT; | |
49 | const char *headers[] = { "author ", "committer ", "tagger ", NULL }; | |
50 | ||
51 | strbuf_attach(&sb, object_buf, *size, *size + 1); | |
52 | apply_mailmap_to_header(&sb, headers, &mailmap); | |
53 | *size = sb.len; | |
54 | return strbuf_detach(&sb, NULL); | |
55 | } | |
56 | ||
b9e62f60 | 57 | static int filter_object(const char *path, unsigned mode, |
7889ed25 | 58 | const struct object_id *oid, |
b9e62f60 JS |
59 | char **buf, unsigned long *size) |
60 | { | |
61 | enum object_type type; | |
62 | ||
b4f5aca4 | 63 | *buf = read_object_file(oid, &type, size); |
b9e62f60 JS |
64 | if (!*buf) |
65 | return error(_("cannot read object %s '%s'"), | |
7889ed25 | 66 | oid_to_hex(oid), path); |
b9e62f60 JS |
67 | if ((type == OBJ_BLOB) && S_ISREG(mode)) { |
68 | struct strbuf strbuf = STRBUF_INIT; | |
c397aac0 | 69 | struct checkout_metadata meta; |
70 | ||
71 | init_checkout_metadata(&meta, NULL, NULL, oid); | |
72 | if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, &meta)) { | |
b9e62f60 JS |
73 | free(*buf); |
74 | *size = strbuf.len; | |
75 | *buf = strbuf_detach(&strbuf, NULL); | |
76 | } | |
77 | } | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
98f425b4 JK |
82 | static int stream_blob(const struct object_id *oid) |
83 | { | |
84 | if (stream_blob_to_fd(1, oid, NULL, 0)) | |
85 | die("unable to stream %s to stdout", oid_to_hex(oid)); | |
86 | return 0; | |
87 | } | |
88 | ||
39e4ae38 KN |
89 | static int cat_one_file(int opt, const char *exp_type, const char *obj_name, |
90 | int unknown_type) | |
e83c5163 | 91 | { |
27472b51 | 92 | int ret; |
63ecb99e | 93 | struct object_id oid; |
21666f1a | 94 | enum object_type type; |
e5fba602 | 95 | char *buf; |
e83c5163 | 96 | unsigned long size; |
e5fba602 | 97 | struct object_context obj_context; |
27b5c1a0 | 98 | struct object_info oi = OBJECT_INFO_INIT; |
39e4ae38 | 99 | struct strbuf sb = STRBUF_INIT; |
1f0c0d36 | 100 | unsigned flags = OBJECT_INFO_LOOKUP_REPLACE; |
245b9488 | 101 | unsigned get_oid_flags = GET_OID_RECORD_PATH | GET_OID_ONLY_TO_DIE; |
7bcf3414 | 102 | const char *path = force_path; |
245b9488 ÆAB |
103 | const int opt_cw = (opt == 'c' || opt == 'w'); |
104 | if (!path && opt_cw) | |
105 | get_oid_flags |= GET_OID_REQUIRE_PATH; | |
39e4ae38 KN |
106 | |
107 | if (unknown_type) | |
19fc5e84 | 108 | flags |= OBJECT_INFO_ALLOW_UNKNOWN_TYPE; |
2b6854c8 | 109 | |
245b9488 ÆAB |
110 | if (get_oid_with_context(the_repository, obj_name, get_oid_flags, &oid, |
111 | &obj_context)) | |
2b6854c8 | 112 | die("Not a valid object name %s", obj_name); |
7950571a | 113 | |
7bcf3414 JS |
114 | if (!path) |
115 | path = obj_context.path; | |
116 | if (obj_context.mode == S_IFINVALID) | |
117 | obj_context.mode = 0100644; | |
118 | ||
7950571a PA |
119 | buf = NULL; |
120 | switch (opt) { | |
121 | case 't': | |
6ca32f47 | 122 | oi.type_name = &sb; |
7ecd8690 | 123 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 KN |
124 | die("git cat-file: could not get object info"); |
125 | if (sb.len) { | |
126 | printf("%s\n", sb.buf); | |
127 | strbuf_release(&sb); | |
27472b51 ÆAB |
128 | ret = 0; |
129 | goto cleanup; | |
11e7d5c5 | 130 | } |
7950571a PA |
131 | break; |
132 | ||
133 | case 's': | |
39e4ae38 | 134 | oi.sizep = &size; |
7ecd8690 | 135 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 | 136 | die("git cat-file: could not get object info"); |
ca473cef | 137 | printf("%"PRIuMAX"\n", (uintmax_t)size); |
27472b51 ÆAB |
138 | ret = 0; |
139 | goto cleanup; | |
7950571a PA |
140 | |
141 | case 'e': | |
63ecb99e | 142 | return !has_object_file(&oid); |
7950571a | 143 | |
b9e62f60 | 144 | case 'w': |
b9e62f60 | 145 | |
7bcf3414 | 146 | if (filter_object(path, obj_context.mode, |
27472b51 ÆAB |
147 | &oid, &buf, &size)) { |
148 | ret = -1; | |
149 | goto cleanup; | |
150 | } | |
b9e62f60 JS |
151 | break; |
152 | ||
3ac21617 | 153 | case 'c': |
6afaf807 NTND |
154 | if (textconv_object(the_repository, path, obj_context.mode, |
155 | &oid, 1, &buf, &size)) | |
3ac21617 | 156 | break; |
1cf01a34 | 157 | /* else fallthrough */ |
3ac21617 | 158 | |
a0f15fa5 | 159 | case 'p': |
0df8e965 | 160 | type = oid_object_info(the_repository, &oid, NULL); |
21666f1a | 161 | if (type < 0) |
2b6854c8 | 162 | die("Not a valid object name %s", obj_name); |
a0f15fa5 JH |
163 | |
164 | /* custom pretty-print here */ | |
2b6854c8 | 165 | if (type == OBJ_TREE) { |
66dbfd55 GV |
166 | const char *ls_args[3] = { NULL }; |
167 | ls_args[0] = "ls-tree"; | |
168 | ls_args[1] = obj_name; | |
27472b51 ÆAB |
169 | ret = cmd_ls_tree(2, ls_args, NULL); |
170 | goto cleanup; | |
2b6854c8 | 171 | } |
a0f15fa5 | 172 | |
27472b51 ÆAB |
173 | if (type == OBJ_BLOB) { |
174 | ret = stream_blob(&oid); | |
175 | goto cleanup; | |
176 | } | |
b4f5aca4 | 177 | buf = read_object_file(&oid, &type, &size); |
a0f15fa5 | 178 | if (!buf) |
2b6854c8 | 179 | die("Cannot read object %s", obj_name); |
a0f15fa5 | 180 | |
ec031da9 SA |
181 | if (use_mailmap) { |
182 | size_t s = size; | |
183 | buf = replace_idents_using_mailmap(buf, &s); | |
184 | size = cast_size_t_to_ulong(s); | |
185 | } | |
186 | ||
a0f15fa5 JH |
187 | /* otherwise just spit out the data */ |
188 | break; | |
e5fba602 | 189 | |
7950571a | 190 | case 0: |
6aea6bae ÆAB |
191 | { |
192 | enum object_type exp_type_id = type_from_string(exp_type); | |
193 | ||
194 | if (exp_type_id == OBJ_BLOB) { | |
63ecb99e | 195 | struct object_id blob_oid; |
0df8e965 | 196 | if (oid_object_info(the_repository, &oid, NULL) == OBJ_TAG) { |
b4f5aca4 | 197 | char *buffer = read_object_file(&oid, &type, |
198 | &size); | |
e3f1da98 RS |
199 | const char *target; |
200 | if (!skip_prefix(buffer, "object ", &target) || | |
63ecb99e | 201 | get_oid_hex(target, &blob_oid)) |
202 | die("%s not a valid tag", oid_to_hex(&oid)); | |
00c8fd49 NTND |
203 | free(buffer); |
204 | } else | |
63ecb99e | 205 | oidcpy(&blob_oid, &oid); |
00c8fd49 | 206 | |
27472b51 ÆAB |
207 | if (oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB) { |
208 | ret = stream_blob(&blob_oid); | |
209 | goto cleanup; | |
210 | } | |
00c8fd49 NTND |
211 | /* |
212 | * we attempted to dereference a tag to a blob | |
213 | * and failed; there may be new dereference | |
214 | * mechanisms this code is not aware of. | |
215 | * fall-back to the usual case. | |
216 | */ | |
217 | } | |
6aea6bae ÆAB |
218 | buf = read_object_with_reference(the_repository, &oid, |
219 | exp_type_id, &size, NULL); | |
ec031da9 SA |
220 | |
221 | if (use_mailmap) { | |
222 | size_t s = size; | |
223 | buf = replace_idents_using_mailmap(buf, &s); | |
224 | size = cast_size_t_to_ulong(s); | |
225 | } | |
7950571a | 226 | break; |
6aea6bae | 227 | } |
7950571a | 228 | default: |
d7530708 | 229 | die("git cat-file: unknown option: %s", exp_type); |
bf0c6e83 LT |
230 | } |
231 | ||
11e7d5c5 | 232 | if (!buf) |
34baebce | 233 | die("git cat-file %s: bad file", obj_name); |
11e7d5c5 | 234 | |
7230e6d0 | 235 | write_or_die(1, buf, size); |
27472b51 ÆAB |
236 | ret = 0; |
237 | cleanup: | |
05c2b7ba | 238 | free(buf); |
dc944b65 | 239 | free(obj_context.path); |
27472b51 | 240 | return ret; |
e83c5163 | 241 | } |
9cf71b17 | 242 | |
93d2a607 | 243 | struct expand_data { |
cd4f77be | 244 | struct object_id oid; |
93d2a607 JK |
245 | enum object_type type; |
246 | unsigned long size; | |
166df26f | 247 | off_t disk_size; |
97be0407 | 248 | const char *rest; |
cd4f77be | 249 | struct object_id delta_base_oid; |
93d2a607 JK |
250 | |
251 | /* | |
252 | * If mark_query is true, we do not expand anything, but rather | |
253 | * just mark the object_info with items we wish to query. | |
254 | */ | |
255 | int mark_query; | |
256 | ||
97be0407 JK |
257 | /* |
258 | * Whether to split the input on whitespace before feeding it to | |
259 | * get_sha1; this is decided during the mark_query phase based on | |
260 | * whether we have a %(rest) token in our format. | |
261 | */ | |
262 | int split_on_whitespace; | |
263 | ||
93d2a607 JK |
264 | /* |
265 | * After a mark_query run, this object_info is set up to be | |
c93206b4 | 266 | * passed to oid_object_info_extended. It will point to the data |
93d2a607 JK |
267 | * elements above, so you can retrieve the response from there. |
268 | */ | |
269 | struct object_info info; | |
845de33a JK |
270 | |
271 | /* | |
272 | * This flag will be true if the requested batch format and options | |
c93206b4 | 273 | * don't require us to call oid_object_info, which can then be |
845de33a JK |
274 | * optimized out. |
275 | */ | |
276 | unsigned skip_object_info : 1; | |
93d2a607 JK |
277 | }; |
278 | ||
279 | static int is_atom(const char *atom, const char *s, int slen) | |
280 | { | |
281 | int alen = strlen(atom); | |
282 | return alen == slen && !memcmp(atom, s, alen); | |
283 | } | |
284 | ||
285 | static void expand_atom(struct strbuf *sb, const char *atom, int len, | |
286 | void *vdata) | |
287 | { | |
288 | struct expand_data *data = vdata; | |
289 | ||
290 | if (is_atom("objectname", atom, len)) { | |
291 | if (!data->mark_query) | |
cd4f77be | 292 | strbuf_addstr(sb, oid_to_hex(&data->oid)); |
93d2a607 | 293 | } else if (is_atom("objecttype", atom, len)) { |
5b086407 JK |
294 | if (data->mark_query) |
295 | data->info.typep = &data->type; | |
296 | else | |
debca9d2 | 297 | strbuf_addstr(sb, type_name(data->type)); |
93d2a607 JK |
298 | } else if (is_atom("objectsize", atom, len)) { |
299 | if (data->mark_query) | |
300 | data->info.sizep = &data->size; | |
301 | else | |
ca473cef | 302 | strbuf_addf(sb, "%"PRIuMAX , (uintmax_t)data->size); |
a4ac1061 JK |
303 | } else if (is_atom("objectsize:disk", atom, len)) { |
304 | if (data->mark_query) | |
305 | data->info.disk_sizep = &data->disk_size; | |
306 | else | |
166df26f | 307 | strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size); |
97be0407 JK |
308 | } else if (is_atom("rest", atom, len)) { |
309 | if (data->mark_query) | |
310 | data->split_on_whitespace = 1; | |
311 | else if (data->rest) | |
312 | strbuf_addstr(sb, data->rest); | |
65ea9c3c JK |
313 | } else if (is_atom("deltabase", atom, len)) { |
314 | if (data->mark_query) | |
b99b6bcc | 315 | data->info.delta_base_oid = &data->delta_base_oid; |
65ea9c3c | 316 | else |
cd4f77be | 317 | strbuf_addstr(sb, |
318 | oid_to_hex(&data->delta_base_oid)); | |
93d2a607 JK |
319 | } else |
320 | die("unknown format element: %.*s", len, atom); | |
321 | } | |
322 | ||
323 | static size_t expand_format(struct strbuf *sb, const char *start, void *data) | |
324 | { | |
325 | const char *end; | |
326 | ||
327 | if (*start != '(') | |
328 | return 0; | |
329 | end = strchr(start + 1, ')'); | |
330 | if (!end) | |
331 | die("format element '%s' does not end in ')'", start); | |
332 | ||
333 | expand_atom(sb, start + 1, end - start - 1, data); | |
334 | ||
335 | return end - start + 1; | |
336 | } | |
337 | ||
fc4937c3 JK |
338 | static void batch_write(struct batch_options *opt, const void *data, int len) |
339 | { | |
340 | if (opt->buffer_output) { | |
341 | if (fwrite(data, 1, len, stdout) != len) | |
342 | die_errno("unable to write to stdout"); | |
343 | } else | |
344 | write_or_die(1, data, len); | |
345 | } | |
346 | ||
347 | static void print_object_or_die(struct batch_options *opt, struct expand_data *data) | |
98e2092b | 348 | { |
63ecb99e | 349 | const struct object_id *oid = &data->oid; |
370c9268 | 350 | |
6554dfa9 JK |
351 | assert(data->info.typep); |
352 | ||
370c9268 | 353 | if (data->type == OBJ_BLOB) { |
fc4937c3 JK |
354 | if (opt->buffer_output) |
355 | fflush(stdout); | |
a2c75526 | 356 | if (opt->transform_mode) { |
32145943 JS |
357 | char *contents; |
358 | unsigned long size; | |
359 | ||
360 | if (!data->rest) | |
7889ed25 | 361 | die("missing path for '%s'", oid_to_hex(oid)); |
32145943 | 362 | |
a2c75526 | 363 | if (opt->transform_mode == 'w') { |
7889ed25 | 364 | if (filter_object(data->rest, 0100644, oid, |
32145943 JS |
365 | &contents, &size)) |
366 | die("could not convert '%s' %s", | |
7889ed25 | 367 | oid_to_hex(oid), data->rest); |
a2c75526 | 368 | } else if (opt->transform_mode == 'c') { |
32145943 | 369 | enum object_type type; |
6afaf807 NTND |
370 | if (!textconv_object(the_repository, |
371 | data->rest, 0100644, oid, | |
32145943 | 372 | 1, &contents, &size)) |
b4f5aca4 | 373 | contents = read_object_file(oid, |
374 | &type, | |
375 | &size); | |
32145943 JS |
376 | if (!contents) |
377 | die("could not convert '%s' %s", | |
7889ed25 | 378 | oid_to_hex(oid), data->rest); |
32145943 | 379 | } else |
a2c75526 | 380 | BUG("invalid transform_mode: %c", opt->transform_mode); |
32145943 JS |
381 | batch_write(opt, contents, size); |
382 | free(contents); | |
98f425b4 JK |
383 | } else { |
384 | stream_blob(oid); | |
385 | } | |
98e2092b JK |
386 | } |
387 | else { | |
370c9268 JK |
388 | enum object_type type; |
389 | unsigned long size; | |
98e2092b JK |
390 | void *contents; |
391 | ||
b4f5aca4 | 392 | contents = read_object_file(oid, &type, &size); |
ec031da9 SA |
393 | |
394 | if (use_mailmap) { | |
395 | size_t s = size; | |
396 | contents = replace_idents_using_mailmap(contents, &s); | |
397 | size = cast_size_t_to_ulong(s); | |
398 | } | |
399 | ||
98e2092b | 400 | if (!contents) |
63ecb99e | 401 | die("object %s disappeared", oid_to_hex(oid)); |
370c9268 | 402 | if (type != data->type) |
63ecb99e | 403 | die("object %s changed type!?", oid_to_hex(oid)); |
ec031da9 | 404 | if (data->info.sizep && size != data->size && !use_mailmap) |
63ecb99e | 405 | die("object %s changed size!?", oid_to_hex(oid)); |
98e2092b | 406 | |
fc4937c3 | 407 | batch_write(opt, contents, size); |
98e2092b JK |
408 | free(contents); |
409 | } | |
410 | } | |
411 | ||
eb54a339 JC |
412 | static void print_default_format(struct strbuf *scratch, struct expand_data *data) |
413 | { | |
414 | strbuf_addf(scratch, "%s %s %"PRIuMAX"\n", oid_to_hex(&data->oid), | |
415 | type_name(data->type), | |
416 | (uintmax_t)data->size); | |
417 | } | |
418 | ||
bf972896 JK |
419 | /* |
420 | * If "pack" is non-NULL, then "offset" is the byte offset within the pack from | |
421 | * which the object may be accessed (though note that we may also rely on | |
422 | * data->oid, too). If "pack" is NULL, then offset is ignored. | |
423 | */ | |
79ed0a5e JK |
424 | static void batch_object_write(const char *obj_name, |
425 | struct strbuf *scratch, | |
426 | struct batch_options *opt, | |
bf972896 JK |
427 | struct expand_data *data, |
428 | struct packed_git *pack, | |
429 | off_t offset) | |
44b877e9 | 430 | { |
bf972896 JK |
431 | if (!data->skip_object_info) { |
432 | int ret; | |
433 | ||
434 | if (pack) | |
435 | ret = packed_object_info(the_repository, pack, offset, | |
436 | &data->info); | |
437 | else | |
438 | ret = oid_object_info_extended(the_repository, | |
439 | &data->oid, &data->info, | |
440 | OBJECT_INFO_LOOKUP_REPLACE); | |
441 | if (ret < 0) { | |
442 | printf("%s missing\n", | |
443 | obj_name ? obj_name : oid_to_hex(&data->oid)); | |
444 | fflush(stdout); | |
445 | return; | |
446 | } | |
44b877e9 JK |
447 | } |
448 | ||
79ed0a5e | 449 | strbuf_reset(scratch); |
eb54a339 JC |
450 | |
451 | if (!opt->format) { | |
452 | print_default_format(scratch, data); | |
453 | } else { | |
454 | strbuf_expand(scratch, opt->format, expand_format, data); | |
455 | strbuf_addch(scratch, '\n'); | |
456 | } | |
457 | ||
79ed0a5e | 458 | batch_write(opt, scratch->buf, scratch->len); |
44b877e9 | 459 | |
ac4e58ca | 460 | if (opt->batch_mode == BATCH_MODE_CONTENTS) { |
44b877e9 JK |
461 | print_object_or_die(opt, data); |
462 | batch_write(opt, "\n", 1); | |
463 | } | |
464 | } | |
465 | ||
79ed0a5e JK |
466 | static void batch_one_object(const char *obj_name, |
467 | struct strbuf *scratch, | |
468 | struct batch_options *opt, | |
82330950 | 469 | struct expand_data *data) |
05d5667f | 470 | { |
122d5346 | 471 | struct object_context ctx; |
321c89bf | 472 | int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; |
d1dd94b3 | 473 | enum get_oid_result result; |
05d5667f | 474 | |
3a7a698e NTND |
475 | result = get_oid_with_context(the_repository, obj_name, |
476 | flags, &data->oid, &ctx); | |
122d5346 DT |
477 | if (result != FOUND) { |
478 | switch (result) { | |
479 | case MISSING_OBJECT: | |
480 | printf("%s missing\n", obj_name); | |
481 | break; | |
d1dd94b3 DT |
482 | case SHORT_NAME_AMBIGUOUS: |
483 | printf("%s ambiguous\n", obj_name); | |
484 | break; | |
122d5346 DT |
485 | case DANGLING_SYMLINK: |
486 | printf("dangling %"PRIuMAX"\n%s\n", | |
487 | (uintmax_t)strlen(obj_name), obj_name); | |
488 | break; | |
489 | case SYMLINK_LOOP: | |
490 | printf("loop %"PRIuMAX"\n%s\n", | |
491 | (uintmax_t)strlen(obj_name), obj_name); | |
492 | break; | |
493 | case NOT_DIR: | |
494 | printf("notdir %"PRIuMAX"\n%s\n", | |
495 | (uintmax_t)strlen(obj_name), obj_name); | |
496 | break; | |
497 | default: | |
033abf97 | 498 | BUG("unknown get_sha1_with_context result %d\n", |
122d5346 DT |
499 | result); |
500 | break; | |
501 | } | |
502 | fflush(stdout); | |
82330950 | 503 | return; |
122d5346 DT |
504 | } |
505 | ||
506 | if (ctx.mode == 0) { | |
507 | printf("symlink %"PRIuMAX"\n%s\n", | |
508 | (uintmax_t)ctx.symlink_path.len, | |
509 | ctx.symlink_path.buf); | |
422b2063 | 510 | fflush(stdout); |
82330950 | 511 | return; |
05d5667f AR |
512 | } |
513 | ||
bf972896 | 514 | batch_object_write(obj_name, scratch, opt, data, NULL, 0); |
05d5667f AR |
515 | } |
516 | ||
6a951937 JK |
517 | struct object_cb_data { |
518 | struct batch_options *opt; | |
519 | struct expand_data *expand; | |
0750bb5b | 520 | struct oidset *seen; |
79ed0a5e | 521 | struct strbuf *scratch; |
6a951937 JK |
522 | }; |
523 | ||
1b7ba794 | 524 | static int batch_object_cb(const struct object_id *oid, void *vdata) |
6a951937 | 525 | { |
3115ee45 | 526 | struct object_cb_data *data = vdata; |
1b7ba794 | 527 | oidcpy(&data->expand->oid, oid); |
bf972896 JK |
528 | batch_object_write(NULL, data->scratch, data->opt, data->expand, |
529 | NULL, 0); | |
16ddcd40 | 530 | return 0; |
6a951937 JK |
531 | } |
532 | ||
b1adb384 JK |
533 | static int collect_loose_object(const struct object_id *oid, |
534 | const char *path, | |
535 | void *data) | |
6a951937 | 536 | { |
910650d2 | 537 | oid_array_append(data, oid); |
3115ee45 | 538 | return 0; |
6a951937 JK |
539 | } |
540 | ||
b1adb384 JK |
541 | static int collect_packed_object(const struct object_id *oid, |
542 | struct packed_git *pack, | |
543 | uint32_t pos, | |
544 | void *data) | |
6a951937 | 545 | { |
910650d2 | 546 | oid_array_append(data, oid); |
3115ee45 | 547 | return 0; |
6a951937 JK |
548 | } |
549 | ||
bf972896 JK |
550 | static int batch_unordered_object(const struct object_id *oid, |
551 | struct packed_git *pack, off_t offset, | |
552 | void *vdata) | |
0750bb5b JK |
553 | { |
554 | struct object_cb_data *data = vdata; | |
555 | ||
ced9fff7 | 556 | if (oidset_insert(data->seen, oid)) |
0750bb5b | 557 | return 0; |
0750bb5b | 558 | |
818e3930 | 559 | oidcpy(&data->expand->oid, oid); |
bf972896 JK |
560 | batch_object_write(NULL, data->scratch, data->opt, data->expand, |
561 | pack, offset); | |
818e3930 | 562 | return 0; |
0750bb5b JK |
563 | } |
564 | ||
565 | static int batch_unordered_loose(const struct object_id *oid, | |
566 | const char *path, | |
567 | void *data) | |
568 | { | |
bf972896 | 569 | return batch_unordered_object(oid, NULL, 0, data); |
0750bb5b JK |
570 | } |
571 | ||
572 | static int batch_unordered_packed(const struct object_id *oid, | |
573 | struct packed_git *pack, | |
574 | uint32_t pos, | |
575 | void *data) | |
576 | { | |
bf972896 JK |
577 | return batch_unordered_object(oid, pack, |
578 | nth_packed_object_offset(pack, pos), | |
579 | data); | |
0750bb5b JK |
580 | } |
581 | ||
440c705e JC |
582 | typedef void (*parse_cmd_fn_t)(struct batch_options *, const char *, |
583 | struct strbuf *, struct expand_data *); | |
584 | ||
585 | struct queued_cmd { | |
586 | parse_cmd_fn_t fn; | |
587 | char *line; | |
588 | }; | |
589 | ||
590 | static void parse_cmd_contents(struct batch_options *opt, | |
591 | const char *line, | |
592 | struct strbuf *output, | |
593 | struct expand_data *data) | |
594 | { | |
595 | opt->batch_mode = BATCH_MODE_CONTENTS; | |
596 | batch_one_object(line, output, opt, data); | |
597 | } | |
598 | ||
599 | static void parse_cmd_info(struct batch_options *opt, | |
600 | const char *line, | |
601 | struct strbuf *output, | |
602 | struct expand_data *data) | |
603 | { | |
604 | opt->batch_mode = BATCH_MODE_INFO; | |
605 | batch_one_object(line, output, opt, data); | |
606 | } | |
607 | ||
608 | static void dispatch_calls(struct batch_options *opt, | |
609 | struct strbuf *output, | |
610 | struct expand_data *data, | |
611 | struct queued_cmd *cmd, | |
612 | int nr) | |
613 | { | |
614 | int i; | |
615 | ||
616 | if (!opt->buffer_output) | |
617 | die(_("flush is only for --buffer mode")); | |
618 | ||
619 | for (i = 0; i < nr; i++) | |
620 | cmd[i].fn(opt, cmd[i].line, output, data); | |
621 | ||
622 | fflush(stdout); | |
623 | } | |
624 | ||
625 | static void free_cmds(struct queued_cmd *cmd, size_t *nr) | |
626 | { | |
627 | size_t i; | |
628 | ||
629 | for (i = 0; i < *nr; i++) | |
630 | FREE_AND_NULL(cmd[i].line); | |
631 | ||
632 | *nr = 0; | |
633 | } | |
634 | ||
635 | ||
636 | static const struct parse_cmd { | |
637 | const char *name; | |
638 | parse_cmd_fn_t fn; | |
639 | unsigned takes_args; | |
640 | } commands[] = { | |
641 | { "contents", parse_cmd_contents, 1}, | |
642 | { "info", parse_cmd_info, 1}, | |
643 | { "flush", NULL, 0}, | |
644 | }; | |
645 | ||
646 | static void batch_objects_command(struct batch_options *opt, | |
647 | struct strbuf *output, | |
648 | struct expand_data *data) | |
649 | { | |
650 | struct strbuf input = STRBUF_INIT; | |
651 | struct queued_cmd *queued_cmd = NULL; | |
652 | size_t alloc = 0, nr = 0; | |
653 | ||
db9d67f2 TB |
654 | while (1) { |
655 | int i, ret; | |
440c705e JC |
656 | const struct parse_cmd *cmd = NULL; |
657 | const char *p = NULL, *cmd_end; | |
658 | struct queued_cmd call = {0}; | |
659 | ||
db9d67f2 TB |
660 | if (opt->nul_terminated) |
661 | ret = strbuf_getline_nul(&input, stdin); | |
662 | else | |
663 | ret = strbuf_getline(&input, stdin); | |
664 | ||
665 | if (ret) | |
666 | break; | |
667 | ||
440c705e JC |
668 | if (!input.len) |
669 | die(_("empty command in input")); | |
670 | if (isspace(*input.buf)) | |
671 | die(_("whitespace before command: '%s'"), input.buf); | |
672 | ||
673 | for (i = 0; i < ARRAY_SIZE(commands); i++) { | |
674 | if (!skip_prefix(input.buf, commands[i].name, &cmd_end)) | |
675 | continue; | |
676 | ||
677 | cmd = &commands[i]; | |
678 | if (cmd->takes_args) { | |
679 | if (*cmd_end != ' ') | |
680 | die(_("%s requires arguments"), | |
681 | commands[i].name); | |
682 | ||
683 | p = cmd_end + 1; | |
684 | } else if (*cmd_end) { | |
685 | die(_("%s takes no arguments"), | |
686 | commands[i].name); | |
687 | } | |
688 | ||
689 | break; | |
690 | } | |
691 | ||
692 | if (!cmd) | |
693 | die(_("unknown command: '%s'"), input.buf); | |
694 | ||
695 | if (!strcmp(cmd->name, "flush")) { | |
696 | dispatch_calls(opt, output, data, queued_cmd, nr); | |
697 | free_cmds(queued_cmd, &nr); | |
698 | } else if (!opt->buffer_output) { | |
699 | cmd->fn(opt, p, output, data); | |
700 | } else { | |
701 | ALLOC_GROW(queued_cmd, nr + 1, alloc); | |
702 | call.fn = cmd->fn; | |
703 | call.line = xstrdup_or_null(p); | |
704 | queued_cmd[nr++] = call; | |
705 | } | |
706 | } | |
707 | ||
708 | if (opt->buffer_output && | |
709 | nr && | |
710 | !git_env_bool("GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT", 0)) { | |
711 | dispatch_calls(opt, output, data, queued_cmd, nr); | |
712 | free_cmds(queued_cmd, &nr); | |
713 | } | |
714 | ||
d90dafbe | 715 | free_cmds(queued_cmd, &nr); |
440c705e JC |
716 | free(queued_cmd); |
717 | strbuf_release(&input); | |
718 | } | |
719 | ||
eb54a339 JC |
720 | #define DEFAULT_FORMAT "%(objectname) %(objecttype) %(objectsize)" |
721 | ||
b71bd480 | 722 | static int batch_objects(struct batch_options *opt) |
05d5667f | 723 | { |
54d2f0d9 JK |
724 | struct strbuf input = STRBUF_INIT; |
725 | struct strbuf output = STRBUF_INIT; | |
93d2a607 | 726 | struct expand_data data; |
a42fcd15 | 727 | int save_warning; |
07e23839 | 728 | int retval = 0; |
93d2a607 | 729 | |
93d2a607 JK |
730 | /* |
731 | * Expand once with our special mark_query flag, which will prime the | |
c93206b4 | 732 | * object_info to be handed to oid_object_info_extended for each |
93d2a607 JK |
733 | * object. |
734 | */ | |
735 | memset(&data, 0, sizeof(data)); | |
736 | data.mark_query = 1; | |
eb54a339 JC |
737 | strbuf_expand(&output, |
738 | opt->format ? opt->format : DEFAULT_FORMAT, | |
739 | expand_format, | |
740 | &data); | |
93d2a607 | 741 | data.mark_query = 0; |
54d2f0d9 | 742 | strbuf_release(&output); |
a2c75526 | 743 | if (opt->transform_mode) |
32145943 | 744 | data.split_on_whitespace = 1; |
05d5667f | 745 | |
eb54a339 JC |
746 | if (opt->format && !strcmp(opt->format, DEFAULT_FORMAT)) |
747 | opt->format = NULL; | |
6554dfa9 JK |
748 | /* |
749 | * If we are printing out the object, then always fill in the type, | |
750 | * since we will want to decide whether or not to stream. | |
751 | */ | |
ac4e58ca | 752 | if (opt->batch_mode == BATCH_MODE_CONTENTS) |
6554dfa9 JK |
753 | data.info.typep = &data.type; |
754 | ||
e16acc80 | 755 | if (opt->all_objects) { |
ee02ac61 | 756 | struct object_cb_data cb; |
e16acc80 ZH |
757 | struct object_info empty = OBJECT_INFO_INIT; |
758 | ||
759 | if (!memcmp(&data.info, &empty, sizeof(empty))) | |
760 | data.skip_object_info = 1; | |
3115ee45 | 761 | |
b14ed5ad CC |
762 | if (has_promisor_remote()) |
763 | warning("This repository uses promisor remotes. Some objects may not be loaded."); | |
3115ee45 | 764 | |
5c5b29b4 JK |
765 | read_replace_refs = 0; |
766 | ||
6a951937 JK |
767 | cb.opt = opt; |
768 | cb.expand = &data; | |
79ed0a5e | 769 | cb.scratch = &output; |
3115ee45 | 770 | |
0750bb5b JK |
771 | if (opt->unordered) { |
772 | struct oidset seen = OIDSET_INIT; | |
773 | ||
774 | cb.seen = &seen; | |
775 | ||
776 | for_each_loose_object(batch_unordered_loose, &cb, 0); | |
777 | for_each_packed_object(batch_unordered_packed, &cb, | |
778 | FOR_EACH_OBJECT_PACK_ORDER); | |
779 | ||
780 | oidset_clear(&seen); | |
781 | } else { | |
782 | struct oid_array sa = OID_ARRAY_INIT; | |
783 | ||
784 | for_each_loose_object(collect_loose_object, &sa, 0); | |
785 | for_each_packed_object(collect_packed_object, &sa, 0); | |
786 | ||
787 | oid_array_for_each_unique(&sa, batch_object_cb, &cb); | |
788 | ||
789 | oid_array_clear(&sa); | |
790 | } | |
791 | ||
79ed0a5e | 792 | strbuf_release(&output); |
6a951937 JK |
793 | return 0; |
794 | } | |
795 | ||
25fba78d JK |
796 | /* |
797 | * We are going to call get_sha1 on a potentially very large number of | |
798 | * objects. In most large cases, these will be actual object sha1s. The | |
799 | * cost to double-check that each one is not also a ref (just so we can | |
800 | * warn) ends up dwarfing the actual cost of the object lookups | |
801 | * themselves. We can work around it by just turning off the warning. | |
802 | */ | |
a42fcd15 | 803 | save_warning = warn_on_object_refname_ambiguity; |
25fba78d JK |
804 | warn_on_object_refname_ambiguity = 0; |
805 | ||
440c705e JC |
806 | if (opt->batch_mode == BATCH_MODE_QUEUE_AND_DISPATCH) { |
807 | batch_objects_command(opt, &output, &data); | |
808 | goto cleanup; | |
809 | } | |
810 | ||
db9d67f2 TB |
811 | while (1) { |
812 | int ret; | |
813 | if (opt->nul_terminated) | |
814 | ret = strbuf_getline_nul(&input, stdin); | |
815 | else | |
816 | ret = strbuf_getline(&input, stdin); | |
817 | ||
818 | if (ret == EOF) | |
819 | break; | |
820 | ||
97be0407 JK |
821 | if (data.split_on_whitespace) { |
822 | /* | |
823 | * Split at first whitespace, tying off the beginning | |
824 | * of the string and saving the remainder (or NULL) in | |
825 | * data.rest. | |
826 | */ | |
54d2f0d9 | 827 | char *p = strpbrk(input.buf, " \t"); |
97be0407 JK |
828 | if (p) { |
829 | while (*p && strchr(" \t", *p)) | |
830 | *p++ = '\0'; | |
831 | } | |
832 | data.rest = p; | |
833 | } | |
834 | ||
79ed0a5e | 835 | batch_one_object(input.buf, &output, opt, &data); |
05d5667f AR |
836 | } |
837 | ||
440c705e | 838 | cleanup: |
54d2f0d9 | 839 | strbuf_release(&input); |
79ed0a5e | 840 | strbuf_release(&output); |
a42fcd15 | 841 | warn_on_object_refname_ambiguity = save_warning; |
07e23839 | 842 | return retval; |
05d5667f AR |
843 | } |
844 | ||
e5fba602 CP |
845 | static int git_cat_file_config(const char *var, const char *value, void *cb) |
846 | { | |
6680a087 | 847 | if (userdiff_config(var, value) < 0) |
e5fba602 | 848 | return -1; |
e5fba602 CP |
849 | |
850 | return git_default_config(var, value, cb); | |
851 | } | |
852 | ||
b71bd480 JK |
853 | static int batch_option_callback(const struct option *opt, |
854 | const char *arg, | |
855 | int unset) | |
856 | { | |
857 | struct batch_options *bo = opt->value; | |
858 | ||
517fe807 JK |
859 | BUG_ON_OPT_NEG(unset); |
860 | ||
122d5346 | 861 | if (bo->enabled) { |
0eb8d376 | 862 | return error(_("only one batch option may be specified")); |
b71bd480 JK |
863 | } |
864 | ||
865 | bo->enabled = 1; | |
ac4e58ca JC |
866 | |
867 | if (!strcmp(opt->long_name, "batch")) | |
868 | bo->batch_mode = BATCH_MODE_CONTENTS; | |
869 | else if (!strcmp(opt->long_name, "batch-check")) | |
870 | bo->batch_mode = BATCH_MODE_INFO; | |
440c705e JC |
871 | else if (!strcmp(opt->long_name, "batch-command")) |
872 | bo->batch_mode = BATCH_MODE_QUEUE_AND_DISPATCH; | |
ac4e58ca JC |
873 | else |
874 | BUG("%s given to batch-option-callback", opt->long_name); | |
875 | ||
93d2a607 | 876 | bo->format = arg; |
b71bd480 JK |
877 | |
878 | return 0; | |
879 | } | |
880 | ||
9cf71b17 AR |
881 | int cmd_cat_file(int argc, const char **argv, const char *prefix) |
882 | { | |
b71bd480 | 883 | int opt = 0; |
b3fe4680 ÆAB |
884 | int opt_cw = 0; |
885 | int opt_epts = 0; | |
4814dbe8 | 886 | const char *exp_type = NULL, *obj_name = NULL; |
b71bd480 | 887 | struct batch_options batch = {0}; |
39e4ae38 | 888 | int unknown_type = 0; |
9cf71b17 | 889 | |
5a404178 ÆAB |
890 | const char * const usage[] = { |
891 | N_("git cat-file <type> <object>"), | |
892 | N_("git cat-file (-e | -p) <object>"), | |
83dc4434 | 893 | N_("git cat-file (-t | -s) [--allow-unknown-type] <object>"), |
440c705e | 894 | N_("git cat-file (--batch | --batch-check | --batch-command) [--batch-all-objects]\n" |
5a404178 ÆAB |
895 | " [--buffer] [--follow-symlinks] [--unordered]\n" |
896 | " [--textconv | --filters]"), | |
83dc4434 | 897 | N_("git cat-file (--textconv | --filters)\n" |
5a404178 ÆAB |
898 | " [<rev>:<path|tree-ish> | --path=<path|tree-ish> <rev>]"), |
899 | NULL | |
900 | }; | |
15d8e565 | 901 | const struct option options[] = { |
57d6a1cf ÆAB |
902 | /* Simple queries */ |
903 | OPT_GROUP(N_("Check object existence or emit object contents")), | |
b48158ac | 904 | OPT_CMDMODE('e', NULL, &opt, |
57d6a1cf ÆAB |
905 | N_("check if <object> exists"), 'e'), |
906 | OPT_CMDMODE('p', NULL, &opt, N_("pretty-print <object> content"), 'p'), | |
907 | ||
908 | OPT_GROUP(N_("Emit [broken] object attributes")), | |
909 | OPT_CMDMODE('t', NULL, &opt, N_("show object type (one of 'blob', 'tree', 'commit', 'tag', ...)"), 't'), | |
910 | OPT_CMDMODE('s', NULL, &opt, N_("show object size"), 's'), | |
ad42f28d | 911 | OPT_BOOL(0, "allow-unknown-type", &unknown_type, |
39e4ae38 | 912 | N_("allow -s and -t to work with broken/corrupt objects")), |
ec031da9 SA |
913 | OPT_BOOL(0, "use-mailmap", &use_mailmap, N_("use mail map file")), |
914 | OPT_ALIAS(0, "mailmap", "use-mailmap"), | |
57d6a1cf ÆAB |
915 | /* Batch mode */ |
916 | OPT_GROUP(N_("Batch objects requested on stdin (or --batch-all-objects)")), | |
917 | OPT_CALLBACK_F(0, "batch", &batch, N_("format"), | |
918 | N_("show full <object> or <rev> contents"), | |
0ad1efb4 | 919 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, |
203c8533 | 920 | batch_option_callback), |
57d6a1cf ÆAB |
921 | OPT_CALLBACK_F(0, "batch-check", &batch, N_("format"), |
922 | N_("like --batch, but don't emit <contents>"), | |
0ad1efb4 | 923 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, |
203c8533 | 924 | batch_option_callback), |
db9d67f2 | 925 | OPT_BOOL('z', NULL, &batch.nul_terminated, N_("stdin is NUL-terminated")), |
440c705e JC |
926 | OPT_CALLBACK_F(0, "batch-command", &batch, N_("format"), |
927 | N_("read commands from stdin"), | |
928 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, | |
929 | batch_option_callback), | |
57d6a1cf ÆAB |
930 | OPT_CMDMODE(0, "batch-all-objects", &opt, |
931 | N_("with --batch[-check]: ignores stdin, batches all known objects"), 'b'), | |
932 | /* Batch-specific options */ | |
933 | OPT_GROUP(N_("Change or optimize batch output")), | |
934 | OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")), | |
122d5346 | 935 | OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks, |
57d6a1cf | 936 | N_("follow in-tree symlinks")), |
0750bb5b | 937 | OPT_BOOL(0, "unordered", &batch.unordered, |
57d6a1cf ÆAB |
938 | N_("do not order objects before emitting them")), |
939 | /* Textconv options, stand-ole*/ | |
940 | OPT_GROUP(N_("Emit object (blob or tree) with conversion or filter (stand-alone, or with batch)")), | |
941 | OPT_CMDMODE(0, "textconv", &opt, | |
942 | N_("run textconv on object's content"), 'c'), | |
943 | OPT_CMDMODE(0, "filters", &opt, | |
944 | N_("run filters on object's content"), 'w'), | |
945 | OPT_STRING(0, "path", &force_path, N_("blob|tree"), | |
83dc4434 | 946 | N_("use a <path> for (--textconv | --filters); Not with 'batch'")), |
15d8e565 MB |
947 | OPT_END() |
948 | }; | |
a8128ed6 | 949 | |
e5fba602 | 950 | git_config(git_cat_file_config, NULL); |
4814dbe8 | 951 | |
6a36e1e7 | 952 | batch.buffer_output = -1; |
05d5667f | 953 | |
485fd2c3 | 954 | argc = parse_options(argc, argv, prefix, options, usage, 0); |
b3fe4680 ÆAB |
955 | opt_cw = (opt == 'c' || opt == 'w'); |
956 | opt_epts = (opt == 'e' || opt == 'p' || opt == 't' || opt == 's'); | |
9cf71b17 | 957 | |
ec031da9 SA |
958 | if (use_mailmap) |
959 | read_mailmap(&mailmap); | |
960 | ||
b3fe4680 ÆAB |
961 | /* --batch-all-objects? */ |
962 | if (opt == 'b') | |
963 | batch.all_objects = 1; | |
7bcf3414 | 964 | |
b3fe4680 ÆAB |
965 | /* Option compatibility */ |
966 | if (force_path && !opt_cw) | |
967 | usage_msg_optf(_("'%s=<%s>' needs '%s' or '%s'"), | |
968 | usage, options, | |
969 | "--path", _("path|tree-ish"), "--filters", | |
970 | "--textconv"); | |
32145943 | 971 | |
b3fe4680 ÆAB |
972 | /* Option compatibility with batch mode */ |
973 | if (batch.enabled) | |
974 | ; | |
975 | else if (batch.follow_symlinks) | |
976 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
5fb24902 | 977 | "--follow-symlinks"); |
b3fe4680 ÆAB |
978 | else if (batch.buffer_output >= 0) |
979 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
980 | "--buffer"); | |
981 | else if (batch.all_objects) | |
982 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
983 | "--batch-all-objects"); | |
db9d67f2 TB |
984 | else if (batch.nul_terminated) |
985 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
986 | "-z"); | |
b3fe4680 ÆAB |
987 | |
988 | /* Batch defaults */ | |
6a36e1e7 JK |
989 | if (batch.buffer_output < 0) |
990 | batch.buffer_output = batch.all_objects; | |
991 | ||
b3fe4680 ÆAB |
992 | /* Return early if we're in batch mode? */ |
993 | if (batch.enabled) { | |
994 | if (opt_cw) | |
a2c75526 | 995 | batch.transform_mode = opt; |
b3fe4680 ÆAB |
996 | else if (opt && opt != 'b') |
997 | usage_msg_optf(_("'-%c' is incompatible with batch mode"), | |
998 | usage, options, opt); | |
999 | else if (argc) | |
1000 | usage_msg_opt(_("batch modes take no arguments"), usage, | |
1001 | options); | |
1002 | ||
b71bd480 | 1003 | return batch_objects(&batch); |
b3fe4680 ÆAB |
1004 | } |
1005 | ||
1006 | if (opt) { | |
1007 | if (!argc && opt == 'c') | |
1008 | usage_msg_optf(_("<rev> required with '%s'"), | |
1009 | usage, options, "--textconv"); | |
1010 | else if (!argc && opt == 'w') | |
1011 | usage_msg_optf(_("<rev> required with '%s'"), | |
1012 | usage, options, "--filters"); | |
1013 | else if (!argc && opt_epts) | |
1014 | usage_msg_optf(_("<object> required with '-%c'"), | |
1015 | usage, options, opt); | |
1016 | else if (argc == 1) | |
1017 | obj_name = argv[0]; | |
1018 | else | |
1019 | usage_msg_opt(_("too many arguments"), usage, options); | |
1020 | } else if (!argc) { | |
1021 | usage_with_options(usage, options); | |
1022 | } else if (argc != 2) { | |
1023 | usage_msg_optf(_("only two arguments allowed in <type> <object> mode, not %d"), | |
1024 | usage, options, argc); | |
1025 | } else if (argc) { | |
1026 | exp_type = argv[0]; | |
1027 | obj_name = argv[1]; | |
1028 | } | |
05d5667f | 1029 | |
39e4ae38 KN |
1030 | if (unknown_type && opt != 't' && opt != 's') |
1031 | die("git cat-file --allow-unknown-type: use with -s or -t"); | |
1032 | return cat_one_file(opt, exp_type, obj_name, unknown_type); | |
9cf71b17 | 1033 | } |