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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 | */ | |
666f53eb | 6 | #define USE_THE_INDEX_VARIABLE |
e83c5163 | 7 | #include "cache.h" |
36bf1958 | 8 | #include "alloc.h" |
b2141fc1 | 9 | #include "config.h" |
73359a9b | 10 | #include "convert.h" |
f81daefe | 11 | #include "builtin.h" |
3a35cb2e | 12 | #include "diff.h" |
32a8f510 | 13 | #include "environment.h" |
f394e093 | 14 | #include "gettext.h" |
41771fa4 | 15 | #include "hex.h" |
b5fa6081 | 16 | #include "ident.h" |
15d8e565 | 17 | #include "parse-options.h" |
e5fba602 | 18 | #include "userdiff.h" |
00c8fd49 | 19 | #include "streaming.h" |
122d5346 | 20 | #include "tree-walk.h" |
fe299ec5 | 21 | #include "oid-array.h" |
7709f468 | 22 | #include "packfile.h" |
dabab1d6 | 23 | #include "object-name.h" |
cbd53a21 | 24 | #include "object-store.h" |
cbeab747 | 25 | #include "replace-object.h" |
b14ed5ad | 26 | #include "promisor-remote.h" |
ec031da9 | 27 | #include "mailmap.h" |
d48be35c | 28 | #include "write-or-die.h" |
15d8e565 | 29 | |
ac4e58ca JC |
30 | enum batch_mode { |
31 | BATCH_MODE_CONTENTS, | |
32 | BATCH_MODE_INFO, | |
440c705e | 33 | BATCH_MODE_QUEUE_AND_DISPATCH, |
ac4e58ca JC |
34 | }; |
35 | ||
bfd15594 JK |
36 | struct batch_options { |
37 | int enabled; | |
38 | int follow_symlinks; | |
ac4e58ca | 39 | enum batch_mode batch_mode; |
fc4937c3 | 40 | int buffer_output; |
6a951937 | 41 | int all_objects; |
0750bb5b | 42 | int unordered; |
a2c75526 | 43 | int transform_mode; /* may be 'w' or 'c' for --filters or --textconv */ |
db9d67f2 | 44 | int nul_terminated; |
bfd15594 JK |
45 | const char *format; |
46 | }; | |
47 | ||
7bcf3414 JS |
48 | static const char *force_path; |
49 | ||
ec031da9 SA |
50 | static struct string_list mailmap = STRING_LIST_INIT_NODUP; |
51 | static int use_mailmap; | |
52 | ||
53 | static char *replace_idents_using_mailmap(char *, size_t *); | |
54 | ||
55 | static char *replace_idents_using_mailmap(char *object_buf, size_t *size) | |
56 | { | |
57 | struct strbuf sb = STRBUF_INIT; | |
58 | const char *headers[] = { "author ", "committer ", "tagger ", NULL }; | |
59 | ||
60 | strbuf_attach(&sb, object_buf, *size, *size + 1); | |
61 | apply_mailmap_to_header(&sb, headers, &mailmap); | |
62 | *size = sb.len; | |
63 | return strbuf_detach(&sb, NULL); | |
64 | } | |
65 | ||
b9e62f60 | 66 | static int filter_object(const char *path, unsigned mode, |
7889ed25 | 67 | const struct object_id *oid, |
b9e62f60 JS |
68 | char **buf, unsigned long *size) |
69 | { | |
70 | enum object_type type; | |
71 | ||
bc726bd0 | 72 | *buf = repo_read_object_file(the_repository, oid, &type, size); |
b9e62f60 JS |
73 | if (!*buf) |
74 | return error(_("cannot read object %s '%s'"), | |
7889ed25 | 75 | oid_to_hex(oid), path); |
b9e62f60 JS |
76 | if ((type == OBJ_BLOB) && S_ISREG(mode)) { |
77 | struct strbuf strbuf = STRBUF_INIT; | |
c397aac0 | 78 | struct checkout_metadata meta; |
79 | ||
80 | init_checkout_metadata(&meta, NULL, NULL, oid); | |
81 | if (convert_to_working_tree(&the_index, path, *buf, *size, &strbuf, &meta)) { | |
b9e62f60 JS |
82 | free(*buf); |
83 | *size = strbuf.len; | |
84 | *buf = strbuf_detach(&strbuf, NULL); | |
85 | } | |
86 | } | |
87 | ||
88 | return 0; | |
89 | } | |
90 | ||
98f425b4 JK |
91 | static int stream_blob(const struct object_id *oid) |
92 | { | |
93 | if (stream_blob_to_fd(1, oid, NULL, 0)) | |
94 | die("unable to stream %s to stdout", oid_to_hex(oid)); | |
95 | return 0; | |
96 | } | |
97 | ||
39e4ae38 KN |
98 | static int cat_one_file(int opt, const char *exp_type, const char *obj_name, |
99 | int unknown_type) | |
e83c5163 | 100 | { |
27472b51 | 101 | int ret; |
63ecb99e | 102 | struct object_id oid; |
21666f1a | 103 | enum object_type type; |
e5fba602 | 104 | char *buf; |
e83c5163 | 105 | unsigned long size; |
e5fba602 | 106 | struct object_context obj_context; |
27b5c1a0 | 107 | struct object_info oi = OBJECT_INFO_INIT; |
39e4ae38 | 108 | struct strbuf sb = STRBUF_INIT; |
1f0c0d36 | 109 | unsigned flags = OBJECT_INFO_LOOKUP_REPLACE; |
245b9488 | 110 | unsigned get_oid_flags = GET_OID_RECORD_PATH | GET_OID_ONLY_TO_DIE; |
7bcf3414 | 111 | const char *path = force_path; |
245b9488 ÆAB |
112 | const int opt_cw = (opt == 'c' || opt == 'w'); |
113 | if (!path && opt_cw) | |
114 | get_oid_flags |= GET_OID_REQUIRE_PATH; | |
39e4ae38 KN |
115 | |
116 | if (unknown_type) | |
19fc5e84 | 117 | flags |= OBJECT_INFO_ALLOW_UNKNOWN_TYPE; |
2b6854c8 | 118 | |
245b9488 ÆAB |
119 | if (get_oid_with_context(the_repository, obj_name, get_oid_flags, &oid, |
120 | &obj_context)) | |
2b6854c8 | 121 | die("Not a valid object name %s", obj_name); |
7950571a | 122 | |
7bcf3414 JS |
123 | if (!path) |
124 | path = obj_context.path; | |
125 | if (obj_context.mode == S_IFINVALID) | |
126 | obj_context.mode = 0100644; | |
127 | ||
7950571a PA |
128 | buf = NULL; |
129 | switch (opt) { | |
130 | case 't': | |
6ca32f47 | 131 | oi.type_name = &sb; |
7ecd8690 | 132 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 KN |
133 | die("git cat-file: could not get object info"); |
134 | if (sb.len) { | |
135 | printf("%s\n", sb.buf); | |
136 | strbuf_release(&sb); | |
27472b51 ÆAB |
137 | ret = 0; |
138 | goto cleanup; | |
11e7d5c5 | 139 | } |
7950571a PA |
140 | break; |
141 | ||
142 | case 's': | |
39e4ae38 | 143 | oi.sizep = &size; |
49050a04 SA |
144 | |
145 | if (use_mailmap) { | |
146 | oi.typep = &type; | |
147 | oi.contentp = (void**)&buf; | |
148 | } | |
149 | ||
7ecd8690 | 150 | if (oid_object_info_extended(the_repository, &oid, &oi, flags) < 0) |
39e4ae38 | 151 | die("git cat-file: could not get object info"); |
49050a04 SA |
152 | |
153 | if (use_mailmap && (type == OBJ_COMMIT || type == OBJ_TAG)) { | |
154 | size_t s = size; | |
155 | buf = replace_idents_using_mailmap(buf, &s); | |
156 | size = cast_size_t_to_ulong(s); | |
157 | } | |
158 | ||
ca473cef | 159 | printf("%"PRIuMAX"\n", (uintmax_t)size); |
27472b51 ÆAB |
160 | ret = 0; |
161 | goto cleanup; | |
7950571a PA |
162 | |
163 | case 'e': | |
bc726bd0 | 164 | return !repo_has_object_file(the_repository, &oid); |
7950571a | 165 | |
b9e62f60 | 166 | case 'w': |
b9e62f60 | 167 | |
7bcf3414 | 168 | if (filter_object(path, obj_context.mode, |
27472b51 ÆAB |
169 | &oid, &buf, &size)) { |
170 | ret = -1; | |
171 | goto cleanup; | |
172 | } | |
b9e62f60 JS |
173 | break; |
174 | ||
3ac21617 | 175 | case 'c': |
6afaf807 NTND |
176 | if (textconv_object(the_repository, path, obj_context.mode, |
177 | &oid, 1, &buf, &size)) | |
3ac21617 | 178 | break; |
1cf01a34 | 179 | /* else fallthrough */ |
3ac21617 | 180 | |
a0f15fa5 | 181 | case 'p': |
0df8e965 | 182 | type = oid_object_info(the_repository, &oid, NULL); |
21666f1a | 183 | if (type < 0) |
2b6854c8 | 184 | die("Not a valid object name %s", obj_name); |
a0f15fa5 JH |
185 | |
186 | /* custom pretty-print here */ | |
2b6854c8 | 187 | if (type == OBJ_TREE) { |
66dbfd55 GV |
188 | const char *ls_args[3] = { NULL }; |
189 | ls_args[0] = "ls-tree"; | |
190 | ls_args[1] = obj_name; | |
27472b51 ÆAB |
191 | ret = cmd_ls_tree(2, ls_args, NULL); |
192 | goto cleanup; | |
2b6854c8 | 193 | } |
a0f15fa5 | 194 | |
27472b51 ÆAB |
195 | if (type == OBJ_BLOB) { |
196 | ret = stream_blob(&oid); | |
197 | goto cleanup; | |
198 | } | |
bc726bd0 ÆAB |
199 | buf = repo_read_object_file(the_repository, &oid, &type, |
200 | &size); | |
a0f15fa5 | 201 | if (!buf) |
2b6854c8 | 202 | die("Cannot read object %s", obj_name); |
a0f15fa5 | 203 | |
ec031da9 SA |
204 | if (use_mailmap) { |
205 | size_t s = size; | |
206 | buf = replace_idents_using_mailmap(buf, &s); | |
207 | size = cast_size_t_to_ulong(s); | |
208 | } | |
209 | ||
a0f15fa5 JH |
210 | /* otherwise just spit out the data */ |
211 | break; | |
e5fba602 | 212 | |
7950571a | 213 | case 0: |
6aea6bae ÆAB |
214 | { |
215 | enum object_type exp_type_id = type_from_string(exp_type); | |
216 | ||
217 | if (exp_type_id == OBJ_BLOB) { | |
63ecb99e | 218 | struct object_id blob_oid; |
0df8e965 | 219 | if (oid_object_info(the_repository, &oid, NULL) == OBJ_TAG) { |
bc726bd0 ÆAB |
220 | char *buffer = repo_read_object_file(the_repository, |
221 | &oid, | |
222 | &type, | |
223 | &size); | |
e3f1da98 RS |
224 | const char *target; |
225 | if (!skip_prefix(buffer, "object ", &target) || | |
63ecb99e | 226 | get_oid_hex(target, &blob_oid)) |
227 | die("%s not a valid tag", oid_to_hex(&oid)); | |
00c8fd49 NTND |
228 | free(buffer); |
229 | } else | |
63ecb99e | 230 | oidcpy(&blob_oid, &oid); |
00c8fd49 | 231 | |
27472b51 ÆAB |
232 | if (oid_object_info(the_repository, &blob_oid, NULL) == OBJ_BLOB) { |
233 | ret = stream_blob(&blob_oid); | |
234 | goto cleanup; | |
235 | } | |
00c8fd49 NTND |
236 | /* |
237 | * we attempted to dereference a tag to a blob | |
238 | * and failed; there may be new dereference | |
239 | * mechanisms this code is not aware of. | |
240 | * fall-back to the usual case. | |
241 | */ | |
242 | } | |
6aea6bae ÆAB |
243 | buf = read_object_with_reference(the_repository, &oid, |
244 | exp_type_id, &size, NULL); | |
ec031da9 SA |
245 | |
246 | if (use_mailmap) { | |
247 | size_t s = size; | |
248 | buf = replace_idents_using_mailmap(buf, &s); | |
249 | size = cast_size_t_to_ulong(s); | |
250 | } | |
7950571a | 251 | break; |
6aea6bae | 252 | } |
7950571a | 253 | default: |
d7530708 | 254 | die("git cat-file: unknown option: %s", exp_type); |
bf0c6e83 LT |
255 | } |
256 | ||
11e7d5c5 | 257 | if (!buf) |
34baebce | 258 | die("git cat-file %s: bad file", obj_name); |
11e7d5c5 | 259 | |
7230e6d0 | 260 | write_or_die(1, buf, size); |
27472b51 ÆAB |
261 | ret = 0; |
262 | cleanup: | |
05c2b7ba | 263 | free(buf); |
dc944b65 | 264 | free(obj_context.path); |
27472b51 | 265 | return ret; |
e83c5163 | 266 | } |
9cf71b17 | 267 | |
93d2a607 | 268 | struct expand_data { |
cd4f77be | 269 | struct object_id oid; |
93d2a607 JK |
270 | enum object_type type; |
271 | unsigned long size; | |
166df26f | 272 | off_t disk_size; |
97be0407 | 273 | const char *rest; |
cd4f77be | 274 | struct object_id delta_base_oid; |
93d2a607 JK |
275 | |
276 | /* | |
277 | * If mark_query is true, we do not expand anything, but rather | |
278 | * just mark the object_info with items we wish to query. | |
279 | */ | |
280 | int mark_query; | |
281 | ||
97be0407 JK |
282 | /* |
283 | * Whether to split the input on whitespace before feeding it to | |
284 | * get_sha1; this is decided during the mark_query phase based on | |
285 | * whether we have a %(rest) token in our format. | |
286 | */ | |
287 | int split_on_whitespace; | |
288 | ||
93d2a607 JK |
289 | /* |
290 | * After a mark_query run, this object_info is set up to be | |
c93206b4 | 291 | * passed to oid_object_info_extended. It will point to the data |
93d2a607 JK |
292 | * elements above, so you can retrieve the response from there. |
293 | */ | |
294 | struct object_info info; | |
845de33a JK |
295 | |
296 | /* | |
297 | * This flag will be true if the requested batch format and options | |
c93206b4 | 298 | * don't require us to call oid_object_info, which can then be |
845de33a JK |
299 | * optimized out. |
300 | */ | |
301 | unsigned skip_object_info : 1; | |
93d2a607 JK |
302 | }; |
303 | ||
304 | static int is_atom(const char *atom, const char *s, int slen) | |
305 | { | |
306 | int alen = strlen(atom); | |
307 | return alen == slen && !memcmp(atom, s, alen); | |
308 | } | |
309 | ||
310 | static void expand_atom(struct strbuf *sb, const char *atom, int len, | |
311 | void *vdata) | |
312 | { | |
313 | struct expand_data *data = vdata; | |
314 | ||
315 | if (is_atom("objectname", atom, len)) { | |
316 | if (!data->mark_query) | |
cd4f77be | 317 | strbuf_addstr(sb, oid_to_hex(&data->oid)); |
93d2a607 | 318 | } else if (is_atom("objecttype", atom, len)) { |
5b086407 JK |
319 | if (data->mark_query) |
320 | data->info.typep = &data->type; | |
321 | else | |
debca9d2 | 322 | strbuf_addstr(sb, type_name(data->type)); |
93d2a607 JK |
323 | } else if (is_atom("objectsize", atom, len)) { |
324 | if (data->mark_query) | |
325 | data->info.sizep = &data->size; | |
326 | else | |
ca473cef | 327 | strbuf_addf(sb, "%"PRIuMAX , (uintmax_t)data->size); |
a4ac1061 JK |
328 | } else if (is_atom("objectsize:disk", atom, len)) { |
329 | if (data->mark_query) | |
330 | data->info.disk_sizep = &data->disk_size; | |
331 | else | |
166df26f | 332 | strbuf_addf(sb, "%"PRIuMAX, (uintmax_t)data->disk_size); |
97be0407 JK |
333 | } else if (is_atom("rest", atom, len)) { |
334 | if (data->mark_query) | |
335 | data->split_on_whitespace = 1; | |
336 | else if (data->rest) | |
337 | strbuf_addstr(sb, data->rest); | |
65ea9c3c JK |
338 | } else if (is_atom("deltabase", atom, len)) { |
339 | if (data->mark_query) | |
b99b6bcc | 340 | data->info.delta_base_oid = &data->delta_base_oid; |
65ea9c3c | 341 | else |
cd4f77be | 342 | strbuf_addstr(sb, |
343 | oid_to_hex(&data->delta_base_oid)); | |
93d2a607 JK |
344 | } else |
345 | die("unknown format element: %.*s", len, atom); | |
346 | } | |
347 | ||
348 | static size_t expand_format(struct strbuf *sb, const char *start, void *data) | |
349 | { | |
350 | const char *end; | |
351 | ||
352 | if (*start != '(') | |
353 | return 0; | |
354 | end = strchr(start + 1, ')'); | |
355 | if (!end) | |
356 | die("format element '%s' does not end in ')'", start); | |
357 | ||
358 | expand_atom(sb, start + 1, end - start - 1, data); | |
359 | ||
360 | return end - start + 1; | |
361 | } | |
362 | ||
fc4937c3 JK |
363 | static void batch_write(struct batch_options *opt, const void *data, int len) |
364 | { | |
365 | if (opt->buffer_output) { | |
366 | if (fwrite(data, 1, len, stdout) != len) | |
367 | die_errno("unable to write to stdout"); | |
368 | } else | |
369 | write_or_die(1, data, len); | |
370 | } | |
371 | ||
372 | static void print_object_or_die(struct batch_options *opt, struct expand_data *data) | |
98e2092b | 373 | { |
63ecb99e | 374 | const struct object_id *oid = &data->oid; |
370c9268 | 375 | |
6554dfa9 JK |
376 | assert(data->info.typep); |
377 | ||
370c9268 | 378 | if (data->type == OBJ_BLOB) { |
fc4937c3 JK |
379 | if (opt->buffer_output) |
380 | fflush(stdout); | |
a2c75526 | 381 | if (opt->transform_mode) { |
32145943 JS |
382 | char *contents; |
383 | unsigned long size; | |
384 | ||
385 | if (!data->rest) | |
7889ed25 | 386 | die("missing path for '%s'", oid_to_hex(oid)); |
32145943 | 387 | |
a2c75526 | 388 | if (opt->transform_mode == 'w') { |
7889ed25 | 389 | if (filter_object(data->rest, 0100644, oid, |
32145943 JS |
390 | &contents, &size)) |
391 | die("could not convert '%s' %s", | |
7889ed25 | 392 | oid_to_hex(oid), data->rest); |
a2c75526 | 393 | } else if (opt->transform_mode == 'c') { |
32145943 | 394 | enum object_type type; |
6afaf807 NTND |
395 | if (!textconv_object(the_repository, |
396 | data->rest, 0100644, oid, | |
32145943 | 397 | 1, &contents, &size)) |
bc726bd0 ÆAB |
398 | contents = repo_read_object_file(the_repository, |
399 | oid, | |
400 | &type, | |
401 | &size); | |
32145943 JS |
402 | if (!contents) |
403 | die("could not convert '%s' %s", | |
7889ed25 | 404 | oid_to_hex(oid), data->rest); |
32145943 | 405 | } else |
a2c75526 | 406 | BUG("invalid transform_mode: %c", opt->transform_mode); |
32145943 JS |
407 | batch_write(opt, contents, size); |
408 | free(contents); | |
98f425b4 JK |
409 | } else { |
410 | stream_blob(oid); | |
411 | } | |
98e2092b JK |
412 | } |
413 | else { | |
370c9268 JK |
414 | enum object_type type; |
415 | unsigned long size; | |
98e2092b JK |
416 | void *contents; |
417 | ||
bc726bd0 ÆAB |
418 | contents = repo_read_object_file(the_repository, oid, &type, |
419 | &size); | |
ec031da9 SA |
420 | |
421 | if (use_mailmap) { | |
422 | size_t s = size; | |
423 | contents = replace_idents_using_mailmap(contents, &s); | |
424 | size = cast_size_t_to_ulong(s); | |
425 | } | |
426 | ||
98e2092b | 427 | if (!contents) |
63ecb99e | 428 | die("object %s disappeared", oid_to_hex(oid)); |
370c9268 | 429 | if (type != data->type) |
63ecb99e | 430 | die("object %s changed type!?", oid_to_hex(oid)); |
ec031da9 | 431 | if (data->info.sizep && size != data->size && !use_mailmap) |
63ecb99e | 432 | die("object %s changed size!?", oid_to_hex(oid)); |
98e2092b | 433 | |
fc4937c3 | 434 | batch_write(opt, contents, size); |
98e2092b JK |
435 | free(contents); |
436 | } | |
437 | } | |
438 | ||
eb54a339 JC |
439 | static void print_default_format(struct strbuf *scratch, struct expand_data *data) |
440 | { | |
441 | strbuf_addf(scratch, "%s %s %"PRIuMAX"\n", oid_to_hex(&data->oid), | |
442 | type_name(data->type), | |
443 | (uintmax_t)data->size); | |
444 | } | |
445 | ||
bf972896 JK |
446 | /* |
447 | * If "pack" is non-NULL, then "offset" is the byte offset within the pack from | |
448 | * which the object may be accessed (though note that we may also rely on | |
449 | * data->oid, too). If "pack" is NULL, then offset is ignored. | |
450 | */ | |
79ed0a5e JK |
451 | static void batch_object_write(const char *obj_name, |
452 | struct strbuf *scratch, | |
453 | struct batch_options *opt, | |
bf972896 JK |
454 | struct expand_data *data, |
455 | struct packed_git *pack, | |
456 | off_t offset) | |
44b877e9 | 457 | { |
bf972896 JK |
458 | if (!data->skip_object_info) { |
459 | int ret; | |
460 | ||
a797c0ea SA |
461 | if (use_mailmap) |
462 | data->info.typep = &data->type; | |
463 | ||
bf972896 JK |
464 | if (pack) |
465 | ret = packed_object_info(the_repository, pack, offset, | |
466 | &data->info); | |
467 | else | |
468 | ret = oid_object_info_extended(the_repository, | |
469 | &data->oid, &data->info, | |
470 | OBJECT_INFO_LOOKUP_REPLACE); | |
471 | if (ret < 0) { | |
472 | printf("%s missing\n", | |
473 | obj_name ? obj_name : oid_to_hex(&data->oid)); | |
474 | fflush(stdout); | |
475 | return; | |
476 | } | |
a797c0ea SA |
477 | |
478 | if (use_mailmap && (data->type == OBJ_COMMIT || data->type == OBJ_TAG)) { | |
479 | size_t s = data->size; | |
480 | char *buf = NULL; | |
481 | ||
482 | buf = repo_read_object_file(the_repository, &data->oid, &data->type, | |
483 | &data->size); | |
484 | buf = replace_idents_using_mailmap(buf, &s); | |
485 | data->size = cast_size_t_to_ulong(s); | |
486 | ||
487 | free(buf); | |
488 | } | |
44b877e9 JK |
489 | } |
490 | ||
79ed0a5e | 491 | strbuf_reset(scratch); |
eb54a339 JC |
492 | |
493 | if (!opt->format) { | |
494 | print_default_format(scratch, data); | |
495 | } else { | |
496 | strbuf_expand(scratch, opt->format, expand_format, data); | |
497 | strbuf_addch(scratch, '\n'); | |
498 | } | |
499 | ||
79ed0a5e | 500 | batch_write(opt, scratch->buf, scratch->len); |
44b877e9 | 501 | |
ac4e58ca | 502 | if (opt->batch_mode == BATCH_MODE_CONTENTS) { |
44b877e9 JK |
503 | print_object_or_die(opt, data); |
504 | batch_write(opt, "\n", 1); | |
505 | } | |
506 | } | |
507 | ||
79ed0a5e JK |
508 | static void batch_one_object(const char *obj_name, |
509 | struct strbuf *scratch, | |
510 | struct batch_options *opt, | |
82330950 | 511 | struct expand_data *data) |
05d5667f | 512 | { |
122d5346 | 513 | struct object_context ctx; |
321c89bf | 514 | int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; |
d1dd94b3 | 515 | enum get_oid_result result; |
05d5667f | 516 | |
3a7a698e NTND |
517 | result = get_oid_with_context(the_repository, obj_name, |
518 | flags, &data->oid, &ctx); | |
122d5346 DT |
519 | if (result != FOUND) { |
520 | switch (result) { | |
521 | case MISSING_OBJECT: | |
522 | printf("%s missing\n", obj_name); | |
523 | break; | |
d1dd94b3 DT |
524 | case SHORT_NAME_AMBIGUOUS: |
525 | printf("%s ambiguous\n", obj_name); | |
526 | break; | |
122d5346 DT |
527 | case DANGLING_SYMLINK: |
528 | printf("dangling %"PRIuMAX"\n%s\n", | |
529 | (uintmax_t)strlen(obj_name), obj_name); | |
530 | break; | |
531 | case SYMLINK_LOOP: | |
532 | printf("loop %"PRIuMAX"\n%s\n", | |
533 | (uintmax_t)strlen(obj_name), obj_name); | |
534 | break; | |
535 | case NOT_DIR: | |
536 | printf("notdir %"PRIuMAX"\n%s\n", | |
537 | (uintmax_t)strlen(obj_name), obj_name); | |
538 | break; | |
539 | default: | |
033abf97 | 540 | BUG("unknown get_sha1_with_context result %d\n", |
122d5346 DT |
541 | result); |
542 | break; | |
543 | } | |
544 | fflush(stdout); | |
82330950 | 545 | return; |
122d5346 DT |
546 | } |
547 | ||
548 | if (ctx.mode == 0) { | |
549 | printf("symlink %"PRIuMAX"\n%s\n", | |
550 | (uintmax_t)ctx.symlink_path.len, | |
551 | ctx.symlink_path.buf); | |
422b2063 | 552 | fflush(stdout); |
82330950 | 553 | return; |
05d5667f AR |
554 | } |
555 | ||
bf972896 | 556 | batch_object_write(obj_name, scratch, opt, data, NULL, 0); |
05d5667f AR |
557 | } |
558 | ||
6a951937 JK |
559 | struct object_cb_data { |
560 | struct batch_options *opt; | |
561 | struct expand_data *expand; | |
0750bb5b | 562 | struct oidset *seen; |
79ed0a5e | 563 | struct strbuf *scratch; |
6a951937 JK |
564 | }; |
565 | ||
1b7ba794 | 566 | static int batch_object_cb(const struct object_id *oid, void *vdata) |
6a951937 | 567 | { |
3115ee45 | 568 | struct object_cb_data *data = vdata; |
1b7ba794 | 569 | oidcpy(&data->expand->oid, oid); |
bf972896 JK |
570 | batch_object_write(NULL, data->scratch, data->opt, data->expand, |
571 | NULL, 0); | |
16ddcd40 | 572 | return 0; |
6a951937 JK |
573 | } |
574 | ||
b1adb384 | 575 | static int collect_loose_object(const struct object_id *oid, |
be252d33 | 576 | const char *path UNUSED, |
b1adb384 | 577 | void *data) |
6a951937 | 578 | { |
910650d2 | 579 | oid_array_append(data, oid); |
3115ee45 | 580 | return 0; |
6a951937 JK |
581 | } |
582 | ||
b1adb384 | 583 | static int collect_packed_object(const struct object_id *oid, |
be252d33 JK |
584 | struct packed_git *pack UNUSED, |
585 | uint32_t pos UNUSED, | |
b1adb384 | 586 | void *data) |
6a951937 | 587 | { |
910650d2 | 588 | oid_array_append(data, oid); |
3115ee45 | 589 | return 0; |
6a951937 JK |
590 | } |
591 | ||
bf972896 JK |
592 | static int batch_unordered_object(const struct object_id *oid, |
593 | struct packed_git *pack, off_t offset, | |
594 | void *vdata) | |
0750bb5b JK |
595 | { |
596 | struct object_cb_data *data = vdata; | |
597 | ||
ced9fff7 | 598 | if (oidset_insert(data->seen, oid)) |
0750bb5b | 599 | return 0; |
0750bb5b | 600 | |
818e3930 | 601 | oidcpy(&data->expand->oid, oid); |
bf972896 JK |
602 | batch_object_write(NULL, data->scratch, data->opt, data->expand, |
603 | pack, offset); | |
818e3930 | 604 | return 0; |
0750bb5b JK |
605 | } |
606 | ||
607 | static int batch_unordered_loose(const struct object_id *oid, | |
be252d33 | 608 | const char *path UNUSED, |
0750bb5b JK |
609 | void *data) |
610 | { | |
bf972896 | 611 | return batch_unordered_object(oid, NULL, 0, data); |
0750bb5b JK |
612 | } |
613 | ||
614 | static int batch_unordered_packed(const struct object_id *oid, | |
615 | struct packed_git *pack, | |
616 | uint32_t pos, | |
617 | void *data) | |
618 | { | |
bf972896 JK |
619 | return batch_unordered_object(oid, pack, |
620 | nth_packed_object_offset(pack, pos), | |
621 | data); | |
0750bb5b JK |
622 | } |
623 | ||
440c705e JC |
624 | typedef void (*parse_cmd_fn_t)(struct batch_options *, const char *, |
625 | struct strbuf *, struct expand_data *); | |
626 | ||
627 | struct queued_cmd { | |
628 | parse_cmd_fn_t fn; | |
629 | char *line; | |
630 | }; | |
631 | ||
632 | static void parse_cmd_contents(struct batch_options *opt, | |
633 | const char *line, | |
634 | struct strbuf *output, | |
635 | struct expand_data *data) | |
636 | { | |
637 | opt->batch_mode = BATCH_MODE_CONTENTS; | |
638 | batch_one_object(line, output, opt, data); | |
639 | } | |
640 | ||
641 | static void parse_cmd_info(struct batch_options *opt, | |
642 | const char *line, | |
643 | struct strbuf *output, | |
644 | struct expand_data *data) | |
645 | { | |
646 | opt->batch_mode = BATCH_MODE_INFO; | |
647 | batch_one_object(line, output, opt, data); | |
648 | } | |
649 | ||
650 | static void dispatch_calls(struct batch_options *opt, | |
651 | struct strbuf *output, | |
652 | struct expand_data *data, | |
653 | struct queued_cmd *cmd, | |
654 | int nr) | |
655 | { | |
656 | int i; | |
657 | ||
658 | if (!opt->buffer_output) | |
659 | die(_("flush is only for --buffer mode")); | |
660 | ||
661 | for (i = 0; i < nr; i++) | |
662 | cmd[i].fn(opt, cmd[i].line, output, data); | |
663 | ||
664 | fflush(stdout); | |
665 | } | |
666 | ||
667 | static void free_cmds(struct queued_cmd *cmd, size_t *nr) | |
668 | { | |
669 | size_t i; | |
670 | ||
671 | for (i = 0; i < *nr; i++) | |
672 | FREE_AND_NULL(cmd[i].line); | |
673 | ||
674 | *nr = 0; | |
675 | } | |
676 | ||
677 | ||
678 | static const struct parse_cmd { | |
679 | const char *name; | |
680 | parse_cmd_fn_t fn; | |
681 | unsigned takes_args; | |
682 | } commands[] = { | |
683 | { "contents", parse_cmd_contents, 1}, | |
684 | { "info", parse_cmd_info, 1}, | |
685 | { "flush", NULL, 0}, | |
686 | }; | |
687 | ||
688 | static void batch_objects_command(struct batch_options *opt, | |
689 | struct strbuf *output, | |
690 | struct expand_data *data) | |
691 | { | |
692 | struct strbuf input = STRBUF_INIT; | |
693 | struct queued_cmd *queued_cmd = NULL; | |
694 | size_t alloc = 0, nr = 0; | |
695 | ||
db9d67f2 TB |
696 | while (1) { |
697 | int i, ret; | |
440c705e JC |
698 | const struct parse_cmd *cmd = NULL; |
699 | const char *p = NULL, *cmd_end; | |
700 | struct queued_cmd call = {0}; | |
701 | ||
db9d67f2 TB |
702 | if (opt->nul_terminated) |
703 | ret = strbuf_getline_nul(&input, stdin); | |
704 | else | |
705 | ret = strbuf_getline(&input, stdin); | |
706 | ||
707 | if (ret) | |
708 | break; | |
709 | ||
440c705e JC |
710 | if (!input.len) |
711 | die(_("empty command in input")); | |
712 | if (isspace(*input.buf)) | |
713 | die(_("whitespace before command: '%s'"), input.buf); | |
714 | ||
715 | for (i = 0; i < ARRAY_SIZE(commands); i++) { | |
716 | if (!skip_prefix(input.buf, commands[i].name, &cmd_end)) | |
717 | continue; | |
718 | ||
719 | cmd = &commands[i]; | |
720 | if (cmd->takes_args) { | |
721 | if (*cmd_end != ' ') | |
722 | die(_("%s requires arguments"), | |
723 | commands[i].name); | |
724 | ||
725 | p = cmd_end + 1; | |
726 | } else if (*cmd_end) { | |
727 | die(_("%s takes no arguments"), | |
728 | commands[i].name); | |
729 | } | |
730 | ||
731 | break; | |
732 | } | |
733 | ||
734 | if (!cmd) | |
735 | die(_("unknown command: '%s'"), input.buf); | |
736 | ||
737 | if (!strcmp(cmd->name, "flush")) { | |
738 | dispatch_calls(opt, output, data, queued_cmd, nr); | |
739 | free_cmds(queued_cmd, &nr); | |
740 | } else if (!opt->buffer_output) { | |
741 | cmd->fn(opt, p, output, data); | |
742 | } else { | |
743 | ALLOC_GROW(queued_cmd, nr + 1, alloc); | |
744 | call.fn = cmd->fn; | |
745 | call.line = xstrdup_or_null(p); | |
746 | queued_cmd[nr++] = call; | |
747 | } | |
748 | } | |
749 | ||
750 | if (opt->buffer_output && | |
751 | nr && | |
752 | !git_env_bool("GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT", 0)) { | |
753 | dispatch_calls(opt, output, data, queued_cmd, nr); | |
754 | free_cmds(queued_cmd, &nr); | |
755 | } | |
756 | ||
d90dafbe | 757 | free_cmds(queued_cmd, &nr); |
440c705e JC |
758 | free(queued_cmd); |
759 | strbuf_release(&input); | |
760 | } | |
761 | ||
eb54a339 JC |
762 | #define DEFAULT_FORMAT "%(objectname) %(objecttype) %(objectsize)" |
763 | ||
b71bd480 | 764 | static int batch_objects(struct batch_options *opt) |
05d5667f | 765 | { |
54d2f0d9 JK |
766 | struct strbuf input = STRBUF_INIT; |
767 | struct strbuf output = STRBUF_INIT; | |
93d2a607 | 768 | struct expand_data data; |
a42fcd15 | 769 | int save_warning; |
07e23839 | 770 | int retval = 0; |
93d2a607 | 771 | |
93d2a607 JK |
772 | /* |
773 | * Expand once with our special mark_query flag, which will prime the | |
c93206b4 | 774 | * object_info to be handed to oid_object_info_extended for each |
93d2a607 JK |
775 | * object. |
776 | */ | |
777 | memset(&data, 0, sizeof(data)); | |
778 | data.mark_query = 1; | |
eb54a339 JC |
779 | strbuf_expand(&output, |
780 | opt->format ? opt->format : DEFAULT_FORMAT, | |
781 | expand_format, | |
782 | &data); | |
93d2a607 | 783 | data.mark_query = 0; |
54d2f0d9 | 784 | strbuf_release(&output); |
a2c75526 | 785 | if (opt->transform_mode) |
32145943 | 786 | data.split_on_whitespace = 1; |
05d5667f | 787 | |
eb54a339 JC |
788 | if (opt->format && !strcmp(opt->format, DEFAULT_FORMAT)) |
789 | opt->format = NULL; | |
6554dfa9 JK |
790 | /* |
791 | * If we are printing out the object, then always fill in the type, | |
792 | * since we will want to decide whether or not to stream. | |
793 | */ | |
ac4e58ca | 794 | if (opt->batch_mode == BATCH_MODE_CONTENTS) |
6554dfa9 JK |
795 | data.info.typep = &data.type; |
796 | ||
e16acc80 | 797 | if (opt->all_objects) { |
ee02ac61 | 798 | struct object_cb_data cb; |
e16acc80 ZH |
799 | struct object_info empty = OBJECT_INFO_INIT; |
800 | ||
801 | if (!memcmp(&data.info, &empty, sizeof(empty))) | |
802 | data.skip_object_info = 1; | |
3115ee45 | 803 | |
a5183d76 | 804 | if (repo_has_promisor_remote(the_repository)) |
b14ed5ad | 805 | warning("This repository uses promisor remotes. Some objects may not be loaded."); |
3115ee45 | 806 | |
5c5b29b4 JK |
807 | read_replace_refs = 0; |
808 | ||
6a951937 JK |
809 | cb.opt = opt; |
810 | cb.expand = &data; | |
79ed0a5e | 811 | cb.scratch = &output; |
3115ee45 | 812 | |
0750bb5b JK |
813 | if (opt->unordered) { |
814 | struct oidset seen = OIDSET_INIT; | |
815 | ||
816 | cb.seen = &seen; | |
817 | ||
818 | for_each_loose_object(batch_unordered_loose, &cb, 0); | |
819 | for_each_packed_object(batch_unordered_packed, &cb, | |
820 | FOR_EACH_OBJECT_PACK_ORDER); | |
821 | ||
822 | oidset_clear(&seen); | |
823 | } else { | |
824 | struct oid_array sa = OID_ARRAY_INIT; | |
825 | ||
826 | for_each_loose_object(collect_loose_object, &sa, 0); | |
827 | for_each_packed_object(collect_packed_object, &sa, 0); | |
828 | ||
829 | oid_array_for_each_unique(&sa, batch_object_cb, &cb); | |
830 | ||
831 | oid_array_clear(&sa); | |
832 | } | |
833 | ||
79ed0a5e | 834 | strbuf_release(&output); |
6a951937 JK |
835 | return 0; |
836 | } | |
837 | ||
25fba78d JK |
838 | /* |
839 | * We are going to call get_sha1 on a potentially very large number of | |
840 | * objects. In most large cases, these will be actual object sha1s. The | |
841 | * cost to double-check that each one is not also a ref (just so we can | |
842 | * warn) ends up dwarfing the actual cost of the object lookups | |
843 | * themselves. We can work around it by just turning off the warning. | |
844 | */ | |
a42fcd15 | 845 | save_warning = warn_on_object_refname_ambiguity; |
25fba78d JK |
846 | warn_on_object_refname_ambiguity = 0; |
847 | ||
440c705e JC |
848 | if (opt->batch_mode == BATCH_MODE_QUEUE_AND_DISPATCH) { |
849 | batch_objects_command(opt, &output, &data); | |
850 | goto cleanup; | |
851 | } | |
852 | ||
db9d67f2 TB |
853 | while (1) { |
854 | int ret; | |
855 | if (opt->nul_terminated) | |
856 | ret = strbuf_getline_nul(&input, stdin); | |
857 | else | |
858 | ret = strbuf_getline(&input, stdin); | |
859 | ||
860 | if (ret == EOF) | |
861 | break; | |
862 | ||
97be0407 JK |
863 | if (data.split_on_whitespace) { |
864 | /* | |
865 | * Split at first whitespace, tying off the beginning | |
866 | * of the string and saving the remainder (or NULL) in | |
867 | * data.rest. | |
868 | */ | |
54d2f0d9 | 869 | char *p = strpbrk(input.buf, " \t"); |
97be0407 JK |
870 | if (p) { |
871 | while (*p && strchr(" \t", *p)) | |
872 | *p++ = '\0'; | |
873 | } | |
874 | data.rest = p; | |
875 | } | |
876 | ||
79ed0a5e | 877 | batch_one_object(input.buf, &output, opt, &data); |
05d5667f AR |
878 | } |
879 | ||
440c705e | 880 | cleanup: |
54d2f0d9 | 881 | strbuf_release(&input); |
79ed0a5e | 882 | strbuf_release(&output); |
a42fcd15 | 883 | warn_on_object_refname_ambiguity = save_warning; |
07e23839 | 884 | return retval; |
05d5667f AR |
885 | } |
886 | ||
e5fba602 CP |
887 | static int git_cat_file_config(const char *var, const char *value, void *cb) |
888 | { | |
6680a087 | 889 | if (userdiff_config(var, value) < 0) |
e5fba602 | 890 | return -1; |
e5fba602 CP |
891 | |
892 | return git_default_config(var, value, cb); | |
893 | } | |
894 | ||
b71bd480 JK |
895 | static int batch_option_callback(const struct option *opt, |
896 | const char *arg, | |
897 | int unset) | |
898 | { | |
899 | struct batch_options *bo = opt->value; | |
900 | ||
517fe807 JK |
901 | BUG_ON_OPT_NEG(unset); |
902 | ||
122d5346 | 903 | if (bo->enabled) { |
0eb8d376 | 904 | return error(_("only one batch option may be specified")); |
b71bd480 JK |
905 | } |
906 | ||
907 | bo->enabled = 1; | |
ac4e58ca JC |
908 | |
909 | if (!strcmp(opt->long_name, "batch")) | |
910 | bo->batch_mode = BATCH_MODE_CONTENTS; | |
911 | else if (!strcmp(opt->long_name, "batch-check")) | |
912 | bo->batch_mode = BATCH_MODE_INFO; | |
440c705e JC |
913 | else if (!strcmp(opt->long_name, "batch-command")) |
914 | bo->batch_mode = BATCH_MODE_QUEUE_AND_DISPATCH; | |
ac4e58ca JC |
915 | else |
916 | BUG("%s given to batch-option-callback", opt->long_name); | |
917 | ||
93d2a607 | 918 | bo->format = arg; |
b71bd480 JK |
919 | |
920 | return 0; | |
921 | } | |
922 | ||
9cf71b17 AR |
923 | int cmd_cat_file(int argc, const char **argv, const char *prefix) |
924 | { | |
b71bd480 | 925 | int opt = 0; |
b3fe4680 ÆAB |
926 | int opt_cw = 0; |
927 | int opt_epts = 0; | |
4814dbe8 | 928 | const char *exp_type = NULL, *obj_name = NULL; |
b71bd480 | 929 | struct batch_options batch = {0}; |
39e4ae38 | 930 | int unknown_type = 0; |
9cf71b17 | 931 | |
5a404178 ÆAB |
932 | const char * const usage[] = { |
933 | N_("git cat-file <type> <object>"), | |
934 | N_("git cat-file (-e | -p) <object>"), | |
83dc4434 | 935 | N_("git cat-file (-t | -s) [--allow-unknown-type] <object>"), |
440c705e | 936 | N_("git cat-file (--batch | --batch-check | --batch-command) [--batch-all-objects]\n" |
5a404178 | 937 | " [--buffer] [--follow-symlinks] [--unordered]\n" |
dfc83333 | 938 | " [--textconv | --filters] [-z]"), |
83dc4434 | 939 | N_("git cat-file (--textconv | --filters)\n" |
5a404178 ÆAB |
940 | " [<rev>:<path|tree-ish> | --path=<path|tree-ish> <rev>]"), |
941 | NULL | |
942 | }; | |
15d8e565 | 943 | const struct option options[] = { |
57d6a1cf ÆAB |
944 | /* Simple queries */ |
945 | OPT_GROUP(N_("Check object existence or emit object contents")), | |
b48158ac | 946 | OPT_CMDMODE('e', NULL, &opt, |
57d6a1cf ÆAB |
947 | N_("check if <object> exists"), 'e'), |
948 | OPT_CMDMODE('p', NULL, &opt, N_("pretty-print <object> content"), 'p'), | |
949 | ||
950 | OPT_GROUP(N_("Emit [broken] object attributes")), | |
951 | OPT_CMDMODE('t', NULL, &opt, N_("show object type (one of 'blob', 'tree', 'commit', 'tag', ...)"), 't'), | |
952 | OPT_CMDMODE('s', NULL, &opt, N_("show object size"), 's'), | |
ad42f28d | 953 | OPT_BOOL(0, "allow-unknown-type", &unknown_type, |
39e4ae38 | 954 | N_("allow -s and -t to work with broken/corrupt objects")), |
ec031da9 SA |
955 | OPT_BOOL(0, "use-mailmap", &use_mailmap, N_("use mail map file")), |
956 | OPT_ALIAS(0, "mailmap", "use-mailmap"), | |
57d6a1cf ÆAB |
957 | /* Batch mode */ |
958 | OPT_GROUP(N_("Batch objects requested on stdin (or --batch-all-objects)")), | |
959 | OPT_CALLBACK_F(0, "batch", &batch, N_("format"), | |
960 | N_("show full <object> or <rev> contents"), | |
0ad1efb4 | 961 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, |
203c8533 | 962 | batch_option_callback), |
57d6a1cf ÆAB |
963 | OPT_CALLBACK_F(0, "batch-check", &batch, N_("format"), |
964 | N_("like --batch, but don't emit <contents>"), | |
0ad1efb4 | 965 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, |
203c8533 | 966 | batch_option_callback), |
db9d67f2 | 967 | OPT_BOOL('z', NULL, &batch.nul_terminated, N_("stdin is NUL-terminated")), |
440c705e JC |
968 | OPT_CALLBACK_F(0, "batch-command", &batch, N_("format"), |
969 | N_("read commands from stdin"), | |
970 | PARSE_OPT_OPTARG | PARSE_OPT_NONEG, | |
971 | batch_option_callback), | |
57d6a1cf ÆAB |
972 | OPT_CMDMODE(0, "batch-all-objects", &opt, |
973 | N_("with --batch[-check]: ignores stdin, batches all known objects"), 'b'), | |
974 | /* Batch-specific options */ | |
975 | OPT_GROUP(N_("Change or optimize batch output")), | |
976 | OPT_BOOL(0, "buffer", &batch.buffer_output, N_("buffer --batch output")), | |
122d5346 | 977 | OPT_BOOL(0, "follow-symlinks", &batch.follow_symlinks, |
57d6a1cf | 978 | N_("follow in-tree symlinks")), |
0750bb5b | 979 | OPT_BOOL(0, "unordered", &batch.unordered, |
57d6a1cf ÆAB |
980 | N_("do not order objects before emitting them")), |
981 | /* Textconv options, stand-ole*/ | |
982 | OPT_GROUP(N_("Emit object (blob or tree) with conversion or filter (stand-alone, or with batch)")), | |
983 | OPT_CMDMODE(0, "textconv", &opt, | |
984 | N_("run textconv on object's content"), 'c'), | |
985 | OPT_CMDMODE(0, "filters", &opt, | |
986 | N_("run filters on object's content"), 'w'), | |
987 | OPT_STRING(0, "path", &force_path, N_("blob|tree"), | |
83dc4434 | 988 | N_("use a <path> for (--textconv | --filters); Not with 'batch'")), |
15d8e565 MB |
989 | OPT_END() |
990 | }; | |
a8128ed6 | 991 | |
e5fba602 | 992 | git_config(git_cat_file_config, NULL); |
4814dbe8 | 993 | |
6a36e1e7 | 994 | batch.buffer_output = -1; |
05d5667f | 995 | |
485fd2c3 | 996 | argc = parse_options(argc, argv, prefix, options, usage, 0); |
b3fe4680 ÆAB |
997 | opt_cw = (opt == 'c' || opt == 'w'); |
998 | opt_epts = (opt == 'e' || opt == 'p' || opt == 't' || opt == 's'); | |
9cf71b17 | 999 | |
ec031da9 SA |
1000 | if (use_mailmap) |
1001 | read_mailmap(&mailmap); | |
1002 | ||
b3fe4680 ÆAB |
1003 | /* --batch-all-objects? */ |
1004 | if (opt == 'b') | |
1005 | batch.all_objects = 1; | |
7bcf3414 | 1006 | |
b3fe4680 ÆAB |
1007 | /* Option compatibility */ |
1008 | if (force_path && !opt_cw) | |
1009 | usage_msg_optf(_("'%s=<%s>' needs '%s' or '%s'"), | |
1010 | usage, options, | |
1011 | "--path", _("path|tree-ish"), "--filters", | |
1012 | "--textconv"); | |
32145943 | 1013 | |
b3fe4680 ÆAB |
1014 | /* Option compatibility with batch mode */ |
1015 | if (batch.enabled) | |
1016 | ; | |
1017 | else if (batch.follow_symlinks) | |
1018 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
5fb24902 | 1019 | "--follow-symlinks"); |
b3fe4680 ÆAB |
1020 | else if (batch.buffer_output >= 0) |
1021 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
1022 | "--buffer"); | |
1023 | else if (batch.all_objects) | |
1024 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
1025 | "--batch-all-objects"); | |
db9d67f2 TB |
1026 | else if (batch.nul_terminated) |
1027 | usage_msg_optf(_("'%s' requires a batch mode"), usage, options, | |
1028 | "-z"); | |
b3fe4680 ÆAB |
1029 | |
1030 | /* Batch defaults */ | |
6a36e1e7 JK |
1031 | if (batch.buffer_output < 0) |
1032 | batch.buffer_output = batch.all_objects; | |
1033 | ||
b3fe4680 ÆAB |
1034 | /* Return early if we're in batch mode? */ |
1035 | if (batch.enabled) { | |
1036 | if (opt_cw) | |
a2c75526 | 1037 | batch.transform_mode = opt; |
b3fe4680 ÆAB |
1038 | else if (opt && opt != 'b') |
1039 | usage_msg_optf(_("'-%c' is incompatible with batch mode"), | |
1040 | usage, options, opt); | |
1041 | else if (argc) | |
1042 | usage_msg_opt(_("batch modes take no arguments"), usage, | |
1043 | options); | |
1044 | ||
b71bd480 | 1045 | return batch_objects(&batch); |
b3fe4680 ÆAB |
1046 | } |
1047 | ||
1048 | if (opt) { | |
1049 | if (!argc && opt == 'c') | |
1050 | usage_msg_optf(_("<rev> required with '%s'"), | |
1051 | usage, options, "--textconv"); | |
1052 | else if (!argc && opt == 'w') | |
1053 | usage_msg_optf(_("<rev> required with '%s'"), | |
1054 | usage, options, "--filters"); | |
1055 | else if (!argc && opt_epts) | |
1056 | usage_msg_optf(_("<object> required with '-%c'"), | |
1057 | usage, options, opt); | |
1058 | else if (argc == 1) | |
1059 | obj_name = argv[0]; | |
1060 | else | |
1061 | usage_msg_opt(_("too many arguments"), usage, options); | |
1062 | } else if (!argc) { | |
1063 | usage_with_options(usage, options); | |
1064 | } else if (argc != 2) { | |
1065 | usage_msg_optf(_("only two arguments allowed in <type> <object> mode, not %d"), | |
1066 | usage, options, argc); | |
1067 | } else if (argc) { | |
1068 | exp_type = argv[0]; | |
1069 | obj_name = argv[1]; | |
1070 | } | |
05d5667f | 1071 | |
39e4ae38 KN |
1072 | if (unknown_type && opt != 't' && opt != 's') |
1073 | die("git cat-file --allow-unknown-type: use with -s or -t"); | |
1074 | return cat_one_file(opt, exp_type, obj_name, unknown_type); | |
9cf71b17 | 1075 | } |