]>
Commit | Line | Data |
---|---|---|
6c510bee | 1 | #include "cache.h" |
35ebfd6a | 2 | #include "attr.h" |
3fed15f5 | 3 | #include "run-command.h" |
35ebfd6a | 4 | |
6c510bee LT |
5 | /* |
6 | * convert.c - convert a file when checking it out and checking it in. | |
7 | * | |
8 | * This should use the pathname to decide on whether it wants to do some | |
9 | * more interesting conversions (automatic gzip/unzip, general format | |
10 | * conversions etc etc), but by default it just does automatic CRLF<->LF | |
11 | * translation when the "auto_crlf" option is set. | |
12 | */ | |
13 | ||
163b9591 JH |
14 | #define CRLF_GUESS (-1) |
15 | #define CRLF_BINARY 0 | |
16 | #define CRLF_TEXT 1 | |
17 | #define CRLF_INPUT 2 | |
18 | ||
6c510bee | 19 | struct text_stat { |
28624193 DP |
20 | /* NUL, CR, LF and CRLF counts */ |
21 | unsigned nul, cr, lf, crlf; | |
6c510bee LT |
22 | |
23 | /* These are just approximations! */ | |
24 | unsigned printable, nonprintable; | |
25 | }; | |
26 | ||
27 | static void gather_stats(const char *buf, unsigned long size, struct text_stat *stats) | |
28 | { | |
29 | unsigned long i; | |
30 | ||
31 | memset(stats, 0, sizeof(*stats)); | |
32 | ||
33 | for (i = 0; i < size; i++) { | |
34 | unsigned char c = buf[i]; | |
35 | if (c == '\r') { | |
36 | stats->cr++; | |
37 | if (i+1 < size && buf[i+1] == '\n') | |
38 | stats->crlf++; | |
39 | continue; | |
40 | } | |
41 | if (c == '\n') { | |
42 | stats->lf++; | |
43 | continue; | |
44 | } | |
45 | if (c == 127) | |
46 | /* DEL */ | |
47 | stats->nonprintable++; | |
48 | else if (c < 32) { | |
49 | switch (c) { | |
50 | /* BS, HT, ESC and FF */ | |
51 | case '\b': case '\t': case '\033': case '\014': | |
52 | stats->printable++; | |
53 | break; | |
28624193 DP |
54 | case 0: |
55 | stats->nul++; | |
56 | /* fall through */ | |
6c510bee LT |
57 | default: |
58 | stats->nonprintable++; | |
59 | } | |
60 | } | |
61 | else | |
62 | stats->printable++; | |
63 | } | |
64 | } | |
65 | ||
66 | /* | |
67 | * The same heuristics as diff.c::mmfile_is_binary() | |
68 | */ | |
69 | static int is_binary(unsigned long size, struct text_stat *stats) | |
70 | { | |
71 | ||
28624193 DP |
72 | if (stats->nul) |
73 | return 1; | |
6c510bee LT |
74 | if ((stats->printable >> 7) < stats->nonprintable) |
75 | return 1; | |
76 | /* | |
77 | * Other heuristics? Average line length might be relevant, | |
78 | * as might LF vs CR vs CRLF counts.. | |
79 | * | |
80 | * NOTE! It might be normal to have a low ratio of CRLF to LF | |
81 | * (somebody starts with a LF-only file and edits it with an editor | |
82 | * that adds CRLF only to lines that are added..). But do we | |
83 | * want to support CR-only? Probably not. | |
84 | */ | |
85 | return 0; | |
86 | } | |
87 | ||
5ecd293d PH |
88 | static int crlf_to_git(const char *path, const char *src, size_t len, |
89 | struct strbuf *buf, int action) | |
6c510bee | 90 | { |
6c510bee | 91 | struct text_stat stats; |
5ecd293d | 92 | char *dst; |
6c510bee | 93 | |
5ecd293d PH |
94 | if ((action == CRLF_BINARY) || !auto_crlf || !len) |
95 | return 0; | |
6c510bee | 96 | |
5ecd293d | 97 | gather_stats(src, len, &stats); |
6c510bee LT |
98 | /* No CR? Nothing to convert, regardless. */ |
99 | if (!stats.cr) | |
5ecd293d | 100 | return 0; |
6c510bee | 101 | |
163b9591 | 102 | if (action == CRLF_GUESS) { |
201ac8ef JH |
103 | /* |
104 | * We're currently not going to even try to convert stuff | |
105 | * that has bare CR characters. Does anybody do that crazy | |
106 | * stuff? | |
107 | */ | |
108 | if (stats.cr != stats.crlf) | |
5ecd293d | 109 | return 0; |
201ac8ef JH |
110 | |
111 | /* | |
112 | * And add some heuristics for binary vs text, of course... | |
113 | */ | |
5ecd293d PH |
114 | if (is_binary(len, &stats)) |
115 | return 0; | |
201ac8ef | 116 | } |
6c510bee | 117 | |
90d16ec0 PH |
118 | /* only grow if not in place */ |
119 | if (strbuf_avail(buf) + buf->len < len) | |
120 | strbuf_grow(buf, len - buf->len); | |
5ecd293d | 121 | dst = buf->buf; |
163b9591 JH |
122 | if (action == CRLF_GUESS) { |
123 | /* | |
124 | * If we guessed, we already know we rejected a file with | |
125 | * lone CR, and we can strip a CR without looking at what | |
126 | * follow it. | |
127 | */ | |
201ac8ef | 128 | do { |
ac78e548 | 129 | unsigned char c = *src++; |
201ac8ef | 130 | if (c != '\r') |
ac78e548 | 131 | *dst++ = c; |
5ecd293d | 132 | } while (--len); |
201ac8ef JH |
133 | } else { |
134 | do { | |
ac78e548 | 135 | unsigned char c = *src++; |
5ecd293d | 136 | if (! (c == '\r' && (1 < len && *src == '\n'))) |
ac78e548 | 137 | *dst++ = c; |
5ecd293d | 138 | } while (--len); |
201ac8ef | 139 | } |
5ecd293d PH |
140 | strbuf_setlen(buf, dst - buf->buf); |
141 | return 1; | |
6c510bee LT |
142 | } |
143 | ||
5ecd293d PH |
144 | static int crlf_to_worktree(const char *path, const char *src, size_t len, |
145 | struct strbuf *buf, int action) | |
6c510bee | 146 | { |
5ecd293d | 147 | char *to_free = NULL; |
6c510bee | 148 | struct text_stat stats; |
6c510bee | 149 | |
163b9591 | 150 | if ((action == CRLF_BINARY) || (action == CRLF_INPUT) || |
760f0c62 | 151 | auto_crlf <= 0) |
5ecd293d | 152 | return 0; |
6c510bee | 153 | |
5ecd293d PH |
154 | if (!len) |
155 | return 0; | |
6c510bee | 156 | |
5ecd293d | 157 | gather_stats(src, len, &stats); |
6c510bee LT |
158 | |
159 | /* No LF? Nothing to convert, regardless. */ | |
160 | if (!stats.lf) | |
5ecd293d | 161 | return 0; |
6c510bee LT |
162 | |
163 | /* Was it already in CRLF format? */ | |
164 | if (stats.lf == stats.crlf) | |
5ecd293d | 165 | return 0; |
6c510bee | 166 | |
163b9591 | 167 | if (action == CRLF_GUESS) { |
201ac8ef JH |
168 | /* If we have any bare CR characters, we're not going to touch it */ |
169 | if (stats.cr != stats.crlf) | |
5ecd293d | 170 | return 0; |
6c510bee | 171 | |
5ecd293d PH |
172 | if (is_binary(len, &stats)) |
173 | return 0; | |
201ac8ef | 174 | } |
6c510bee | 175 | |
5ecd293d PH |
176 | /* are we "faking" in place editing ? */ |
177 | if (src == buf->buf) | |
b315c5c0 | 178 | to_free = strbuf_detach(buf, NULL); |
5ecd293d PH |
179 | |
180 | strbuf_grow(buf, len + stats.lf - stats.crlf); | |
181 | for (;;) { | |
182 | const char *nl = memchr(src, '\n', len); | |
183 | if (!nl) | |
184 | break; | |
185 | if (nl > src && nl[-1] == '\r') { | |
186 | strbuf_add(buf, src, nl + 1 - src); | |
187 | } else { | |
188 | strbuf_add(buf, src, nl - src); | |
189 | strbuf_addstr(buf, "\r\n"); | |
190 | } | |
191 | len -= nl + 1 - src; | |
192 | src = nl + 1; | |
193 | } | |
194 | strbuf_add(buf, src, len); | |
195 | ||
196 | free(to_free); | |
197 | return 1; | |
6c510bee | 198 | } |
35ebfd6a | 199 | |
546bb582 JS |
200 | struct filter_params { |
201 | const char *src; | |
202 | unsigned long size; | |
203 | const char *cmd; | |
204 | }; | |
205 | ||
206 | static int filter_buffer(int fd, void *data) | |
aa4ed402 JH |
207 | { |
208 | /* | |
209 | * Spawn cmd and feed the buffer contents through its stdin. | |
210 | */ | |
211 | struct child_process child_process; | |
546bb582 | 212 | struct filter_params *params = (struct filter_params *)data; |
aa4ed402 | 213 | int write_err, status; |
546bb582 | 214 | const char *argv[] = { "sh", "-c", params->cmd, NULL }; |
aa4ed402 JH |
215 | |
216 | memset(&child_process, 0, sizeof(child_process)); | |
dc1bfdcd JS |
217 | child_process.argv = argv; |
218 | child_process.in = -1; | |
7683b6e8 | 219 | child_process.out = fd; |
aa4ed402 | 220 | |
dc1bfdcd | 221 | if (start_command(&child_process)) |
546bb582 | 222 | return error("cannot fork to run external filter %s", params->cmd); |
aa4ed402 | 223 | |
546bb582 | 224 | write_err = (write_in_full(child_process.in, params->src, params->size) < 0); |
dc1bfdcd | 225 | if (close(child_process.in)) |
aa4ed402 JH |
226 | write_err = 1; |
227 | if (write_err) | |
546bb582 | 228 | error("cannot feed the input to external filter %s", params->cmd); |
aa4ed402 JH |
229 | |
230 | status = finish_command(&child_process); | |
231 | if (status) | |
546bb582 | 232 | error("external filter %s failed %d", params->cmd, -status); |
aa4ed402 JH |
233 | return (write_err || status); |
234 | } | |
235 | ||
5ecd293d PH |
236 | static int apply_filter(const char *path, const char *src, size_t len, |
237 | struct strbuf *dst, const char *cmd) | |
aa4ed402 JH |
238 | { |
239 | /* | |
240 | * Create a pipeline to have the command filter the buffer's | |
241 | * contents. | |
242 | * | |
243 | * (child --> cmd) --> us | |
244 | */ | |
546bb582 | 245 | int ret = 1; |
5ecd293d | 246 | struct strbuf nbuf; |
546bb582 JS |
247 | struct async async; |
248 | struct filter_params params; | |
aa4ed402 JH |
249 | |
250 | if (!cmd) | |
5ecd293d | 251 | return 0; |
aa4ed402 | 252 | |
546bb582 JS |
253 | memset(&async, 0, sizeof(async)); |
254 | async.proc = filter_buffer; | |
255 | async.data = ¶ms; | |
256 | params.src = src; | |
257 | params.size = len; | |
258 | params.cmd = cmd; | |
aa4ed402 JH |
259 | |
260 | fflush(NULL); | |
546bb582 JS |
261 | if (start_async(&async)) |
262 | return 0; /* error was already reported */ | |
aa4ed402 | 263 | |
5ecd293d | 264 | strbuf_init(&nbuf, 0); |
546bb582 | 265 | if (strbuf_read(&nbuf, async.out, len) < 0) { |
5ecd293d PH |
266 | error("read from external filter %s failed", cmd); |
267 | ret = 0; | |
aa4ed402 | 268 | } |
546bb582 | 269 | if (close(async.out)) { |
90d16ec0 | 270 | error("read from external filter %s failed", cmd); |
5ecd293d | 271 | ret = 0; |
aa4ed402 | 272 | } |
546bb582 JS |
273 | if (finish_async(&async)) { |
274 | error("external filter %s failed", cmd); | |
5ecd293d | 275 | ret = 0; |
aa4ed402 JH |
276 | } |
277 | ||
5ecd293d | 278 | if (ret) { |
90d16ec0 | 279 | strbuf_swap(dst, &nbuf); |
5ecd293d | 280 | } |
90d16ec0 | 281 | strbuf_release(&nbuf); |
5ecd293d | 282 | return ret; |
aa4ed402 JH |
283 | } |
284 | ||
285 | static struct convert_driver { | |
286 | const char *name; | |
287 | struct convert_driver *next; | |
288 | char *smudge; | |
289 | char *clean; | |
290 | } *user_convert, **user_convert_tail; | |
291 | ||
292 | static int read_convert_config(const char *var, const char *value) | |
293 | { | |
294 | const char *ep, *name; | |
295 | int namelen; | |
296 | struct convert_driver *drv; | |
297 | ||
298 | /* | |
299 | * External conversion drivers are configured using | |
300 | * "filter.<name>.variable". | |
301 | */ | |
302 | if (prefixcmp(var, "filter.") || (ep = strrchr(var, '.')) == var + 6) | |
303 | return 0; | |
304 | name = var + 7; | |
305 | namelen = ep - name; | |
306 | for (drv = user_convert; drv; drv = drv->next) | |
307 | if (!strncmp(drv->name, name, namelen) && !drv->name[namelen]) | |
308 | break; | |
309 | if (!drv) { | |
aa4ed402 | 310 | drv = xcalloc(1, sizeof(struct convert_driver)); |
182af834 | 311 | drv->name = xmemdupz(name, namelen); |
aa4ed402 JH |
312 | *user_convert_tail = drv; |
313 | user_convert_tail = &(drv->next); | |
314 | } | |
315 | ||
316 | ep++; | |
317 | ||
318 | /* | |
319 | * filter.<name>.smudge and filter.<name>.clean specifies | |
320 | * the command line: | |
321 | * | |
322 | * command-line | |
323 | * | |
324 | * The command-line will not be interpolated in any way. | |
325 | */ | |
326 | ||
327 | if (!strcmp("smudge", ep)) { | |
328 | if (!value) | |
a7269e5c | 329 | return config_error_nonbool(var); |
aa4ed402 JH |
330 | drv->smudge = strdup(value); |
331 | return 0; | |
332 | } | |
333 | ||
334 | if (!strcmp("clean", ep)) { | |
335 | if (!value) | |
a7269e5c | 336 | return config_error_nonbool(var); |
aa4ed402 JH |
337 | drv->clean = strdup(value); |
338 | return 0; | |
339 | } | |
340 | return 0; | |
341 | } | |
342 | ||
6073ee85 | 343 | static void setup_convert_check(struct git_attr_check *check) |
35ebfd6a JH |
344 | { |
345 | static struct git_attr *attr_crlf; | |
3fed15f5 | 346 | static struct git_attr *attr_ident; |
aa4ed402 | 347 | static struct git_attr *attr_filter; |
35ebfd6a | 348 | |
3fed15f5 | 349 | if (!attr_crlf) { |
35ebfd6a | 350 | attr_crlf = git_attr("crlf", 4); |
3fed15f5 | 351 | attr_ident = git_attr("ident", 5); |
aa4ed402 JH |
352 | attr_filter = git_attr("filter", 6); |
353 | user_convert_tail = &user_convert; | |
354 | git_config(read_convert_config); | |
3fed15f5 JH |
355 | } |
356 | check[0].attr = attr_crlf; | |
357 | check[1].attr = attr_ident; | |
aa4ed402 | 358 | check[2].attr = attr_filter; |
3fed15f5 JH |
359 | } |
360 | ||
361 | static int count_ident(const char *cp, unsigned long size) | |
362 | { | |
363 | /* | |
af9b54bb | 364 | * "$Id: 0000000000000000000000000000000000000000 $" <=> "$Id$" |
3fed15f5 JH |
365 | */ |
366 | int cnt = 0; | |
367 | char ch; | |
368 | ||
369 | while (size) { | |
370 | ch = *cp++; | |
371 | size--; | |
372 | if (ch != '$') | |
373 | continue; | |
af9b54bb | 374 | if (size < 3) |
3fed15f5 | 375 | break; |
af9b54bb | 376 | if (memcmp("Id", cp, 2)) |
3fed15f5 | 377 | continue; |
af9b54bb AP |
378 | ch = cp[2]; |
379 | cp += 3; | |
380 | size -= 3; | |
3fed15f5 | 381 | if (ch == '$') |
af9b54bb | 382 | cnt++; /* $Id$ */ |
3fed15f5 JH |
383 | if (ch != ':') |
384 | continue; | |
385 | ||
386 | /* | |
af9b54bb | 387 | * "$Id: ... "; scan up to the closing dollar sign and discard. |
3fed15f5 JH |
388 | */ |
389 | while (size) { | |
390 | ch = *cp++; | |
391 | size--; | |
392 | if (ch == '$') { | |
393 | cnt++; | |
394 | break; | |
395 | } | |
396 | } | |
397 | } | |
398 | return cnt; | |
399 | } | |
400 | ||
5ecd293d PH |
401 | static int ident_to_git(const char *path, const char *src, size_t len, |
402 | struct strbuf *buf, int ident) | |
3fed15f5 | 403 | { |
5ecd293d | 404 | char *dst, *dollar; |
3fed15f5 | 405 | |
5ecd293d PH |
406 | if (!ident || !count_ident(src, len)) |
407 | return 0; | |
408 | ||
90d16ec0 PH |
409 | /* only grow if not in place */ |
410 | if (strbuf_avail(buf) + buf->len < len) | |
411 | strbuf_grow(buf, len - buf->len); | |
5ecd293d PH |
412 | dst = buf->buf; |
413 | for (;;) { | |
414 | dollar = memchr(src, '$', len); | |
415 | if (!dollar) | |
416 | break; | |
417 | memcpy(dst, src, dollar + 1 - src); | |
418 | dst += dollar + 1 - src; | |
419 | len -= dollar + 1 - src; | |
420 | src = dollar + 1; | |
421 | ||
422 | if (len > 3 && !memcmp(src, "Id:", 3)) { | |
423 | dollar = memchr(src + 3, '$', len - 3); | |
424 | if (!dollar) | |
425 | break; | |
af9b54bb AP |
426 | memcpy(dst, "Id$", 3); |
427 | dst += 3; | |
5ecd293d PH |
428 | len -= dollar + 1 - src; |
429 | src = dollar + 1; | |
3fed15f5 JH |
430 | } |
431 | } | |
5ecd293d PH |
432 | memcpy(dst, src, len); |
433 | strbuf_setlen(buf, dst + len - buf->buf); | |
434 | return 1; | |
3fed15f5 JH |
435 | } |
436 | ||
5ecd293d PH |
437 | static int ident_to_worktree(const char *path, const char *src, size_t len, |
438 | struct strbuf *buf, int ident) | |
3fed15f5 | 439 | { |
3fed15f5 | 440 | unsigned char sha1[20]; |
5ecd293d PH |
441 | char *to_free = NULL, *dollar; |
442 | int cnt; | |
3fed15f5 JH |
443 | |
444 | if (!ident) | |
5ecd293d | 445 | return 0; |
3fed15f5 | 446 | |
5ecd293d | 447 | cnt = count_ident(src, len); |
3fed15f5 | 448 | if (!cnt) |
5ecd293d | 449 | return 0; |
3fed15f5 | 450 | |
5ecd293d PH |
451 | /* are we "faking" in place editing ? */ |
452 | if (src == buf->buf) | |
b315c5c0 | 453 | to_free = strbuf_detach(buf, NULL); |
5ecd293d | 454 | hash_sha1_file(src, len, "blob", sha1); |
3fed15f5 | 455 | |
5ecd293d PH |
456 | strbuf_grow(buf, len + cnt * 43); |
457 | for (;;) { | |
458 | /* step 1: run to the next '$' */ | |
459 | dollar = memchr(src, '$', len); | |
460 | if (!dollar) | |
461 | break; | |
462 | strbuf_add(buf, src, dollar + 1 - src); | |
463 | len -= dollar + 1 - src; | |
464 | src = dollar + 1; | |
c23290d5 | 465 | |
5ecd293d PH |
466 | /* step 2: does it looks like a bit like Id:xxx$ or Id$ ? */ |
467 | if (len < 3 || memcmp("Id", src, 2)) | |
3fed15f5 JH |
468 | continue; |
469 | ||
5ecd293d PH |
470 | /* step 3: skip over Id$ or Id:xxxxx$ */ |
471 | if (src[2] == '$') { | |
472 | src += 3; | |
473 | len -= 3; | |
474 | } else if (src[2] == ':') { | |
475 | /* | |
476 | * It's possible that an expanded Id has crept its way into the | |
477 | * repository, we cope with that by stripping the expansion out | |
478 | */ | |
479 | dollar = memchr(src + 3, '$', len - 3); | |
480 | if (!dollar) { | |
481 | /* incomplete keyword, no more '$', so just quit the loop */ | |
482 | break; | |
483 | } | |
c23290d5 | 484 | |
5ecd293d PH |
485 | len -= dollar + 1 - src; |
486 | src = dollar + 1; | |
487 | } else { | |
488 | /* it wasn't a "Id$" or "Id:xxxx$" */ | |
489 | continue; | |
490 | } | |
c23290d5 | 491 | |
5ecd293d PH |
492 | /* step 4: substitute */ |
493 | strbuf_addstr(buf, "Id: "); | |
494 | strbuf_add(buf, sha1_to_hex(sha1), 40); | |
495 | strbuf_addstr(buf, " $"); | |
3fed15f5 | 496 | } |
5ecd293d | 497 | strbuf_add(buf, src, len); |
3fed15f5 | 498 | |
5ecd293d PH |
499 | free(to_free); |
500 | return 1; | |
35ebfd6a JH |
501 | } |
502 | ||
6073ee85 | 503 | static int git_path_check_crlf(const char *path, struct git_attr_check *check) |
35ebfd6a | 504 | { |
6073ee85 JH |
505 | const char *value = check->value; |
506 | ||
507 | if (ATTR_TRUE(value)) | |
508 | return CRLF_TEXT; | |
509 | else if (ATTR_FALSE(value)) | |
510 | return CRLF_BINARY; | |
511 | else if (ATTR_UNSET(value)) | |
512 | ; | |
513 | else if (!strcmp(value, "input")) | |
514 | return CRLF_INPUT; | |
163b9591 | 515 | return CRLF_GUESS; |
35ebfd6a JH |
516 | } |
517 | ||
aa4ed402 JH |
518 | static struct convert_driver *git_path_check_convert(const char *path, |
519 | struct git_attr_check *check) | |
520 | { | |
521 | const char *value = check->value; | |
522 | struct convert_driver *drv; | |
523 | ||
524 | if (ATTR_TRUE(value) || ATTR_FALSE(value) || ATTR_UNSET(value)) | |
525 | return NULL; | |
526 | for (drv = user_convert; drv; drv = drv->next) | |
527 | if (!strcmp(value, drv->name)) | |
528 | return drv; | |
529 | return NULL; | |
530 | } | |
531 | ||
3fed15f5 JH |
532 | static int git_path_check_ident(const char *path, struct git_attr_check *check) |
533 | { | |
534 | const char *value = check->value; | |
535 | ||
536 | return !!ATTR_TRUE(value); | |
537 | } | |
538 | ||
5ecd293d | 539 | int convert_to_git(const char *path, const char *src, size_t len, struct strbuf *dst) |
35ebfd6a | 540 | { |
aa4ed402 | 541 | struct git_attr_check check[3]; |
6073ee85 | 542 | int crlf = CRLF_GUESS; |
5ecd293d | 543 | int ident = 0, ret = 0; |
aa4ed402 | 544 | char *filter = NULL; |
6073ee85 JH |
545 | |
546 | setup_convert_check(check); | |
3fed15f5 | 547 | if (!git_checkattr(path, ARRAY_SIZE(check), check)) { |
aa4ed402 | 548 | struct convert_driver *drv; |
3fed15f5 JH |
549 | crlf = git_path_check_crlf(path, check + 0); |
550 | ident = git_path_check_ident(path, check + 1); | |
aa4ed402 JH |
551 | drv = git_path_check_convert(path, check + 2); |
552 | if (drv && drv->clean) | |
553 | filter = drv->clean; | |
3fed15f5 JH |
554 | } |
555 | ||
5ecd293d PH |
556 | ret |= apply_filter(path, src, len, dst, filter); |
557 | if (ret) { | |
558 | src = dst->buf; | |
559 | len = dst->len; | |
aa4ed402 | 560 | } |
5ecd293d PH |
561 | ret |= crlf_to_git(path, src, len, dst, crlf); |
562 | if (ret) { | |
563 | src = dst->buf; | |
564 | len = dst->len; | |
6073ee85 | 565 | } |
5ecd293d | 566 | return ret | ident_to_git(path, src, len, dst, ident); |
35ebfd6a JH |
567 | } |
568 | ||
5ecd293d | 569 | int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst) |
35ebfd6a | 570 | { |
aa4ed402 | 571 | struct git_attr_check check[3]; |
6073ee85 | 572 | int crlf = CRLF_GUESS; |
5ecd293d | 573 | int ident = 0, ret = 0; |
aa4ed402 | 574 | char *filter = NULL; |
6073ee85 JH |
575 | |
576 | setup_convert_check(check); | |
3fed15f5 | 577 | if (!git_checkattr(path, ARRAY_SIZE(check), check)) { |
aa4ed402 | 578 | struct convert_driver *drv; |
3fed15f5 JH |
579 | crlf = git_path_check_crlf(path, check + 0); |
580 | ident = git_path_check_ident(path, check + 1); | |
aa4ed402 JH |
581 | drv = git_path_check_convert(path, check + 2); |
582 | if (drv && drv->smudge) | |
583 | filter = drv->smudge; | |
6073ee85 | 584 | } |
3fed15f5 | 585 | |
5ecd293d PH |
586 | ret |= ident_to_worktree(path, src, len, dst, ident); |
587 | if (ret) { | |
588 | src = dst->buf; | |
589 | len = dst->len; | |
3fed15f5 | 590 | } |
5ecd293d PH |
591 | ret |= crlf_to_worktree(path, src, len, dst, crlf); |
592 | if (ret) { | |
593 | src = dst->buf; | |
594 | len = dst->len; | |
aa4ed402 | 595 | } |
5ecd293d | 596 | return ret | apply_filter(path, src, len, dst, filter); |
35ebfd6a | 597 | } |