]>
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 LT |
19 | struct text_stat { |
20 | /* CR, LF and CRLF counts */ | |
21 | unsigned cr, lf, crlf; | |
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; | |
54 | default: | |
55 | stats->nonprintable++; | |
56 | } | |
57 | } | |
58 | else | |
59 | stats->printable++; | |
60 | } | |
61 | } | |
62 | ||
63 | /* | |
64 | * The same heuristics as diff.c::mmfile_is_binary() | |
65 | */ | |
66 | static int is_binary(unsigned long size, struct text_stat *stats) | |
67 | { | |
68 | ||
69 | if ((stats->printable >> 7) < stats->nonprintable) | |
70 | return 1; | |
71 | /* | |
72 | * Other heuristics? Average line length might be relevant, | |
73 | * as might LF vs CR vs CRLF counts.. | |
74 | * | |
75 | * NOTE! It might be normal to have a low ratio of CRLF to LF | |
76 | * (somebody starts with a LF-only file and edits it with an editor | |
77 | * that adds CRLF only to lines that are added..). But do we | |
78 | * want to support CR-only? Probably not. | |
79 | */ | |
80 | return 0; | |
81 | } | |
82 | ||
5ecd293d PH |
83 | static int crlf_to_git(const char *path, const char *src, size_t len, |
84 | struct strbuf *buf, int action) | |
6c510bee | 85 | { |
6c510bee | 86 | struct text_stat stats; |
5ecd293d | 87 | char *dst; |
6c510bee | 88 | |
5ecd293d PH |
89 | if ((action == CRLF_BINARY) || !auto_crlf || !len) |
90 | return 0; | |
6c510bee | 91 | |
5ecd293d | 92 | gather_stats(src, len, &stats); |
6c510bee LT |
93 | /* No CR? Nothing to convert, regardless. */ |
94 | if (!stats.cr) | |
5ecd293d | 95 | return 0; |
6c510bee | 96 | |
163b9591 | 97 | if (action == CRLF_GUESS) { |
201ac8ef JH |
98 | /* |
99 | * We're currently not going to even try to convert stuff | |
100 | * that has bare CR characters. Does anybody do that crazy | |
101 | * stuff? | |
102 | */ | |
103 | if (stats.cr != stats.crlf) | |
5ecd293d | 104 | return 0; |
201ac8ef JH |
105 | |
106 | /* | |
107 | * And add some heuristics for binary vs text, of course... | |
108 | */ | |
5ecd293d PH |
109 | if (is_binary(len, &stats)) |
110 | return 0; | |
201ac8ef | 111 | } |
6c510bee | 112 | |
90d16ec0 PH |
113 | /* only grow if not in place */ |
114 | if (strbuf_avail(buf) + buf->len < len) | |
115 | strbuf_grow(buf, len - buf->len); | |
5ecd293d | 116 | dst = buf->buf; |
163b9591 JH |
117 | if (action == CRLF_GUESS) { |
118 | /* | |
119 | * If we guessed, we already know we rejected a file with | |
120 | * lone CR, and we can strip a CR without looking at what | |
121 | * follow it. | |
122 | */ | |
201ac8ef | 123 | do { |
ac78e548 | 124 | unsigned char c = *src++; |
201ac8ef | 125 | if (c != '\r') |
ac78e548 | 126 | *dst++ = c; |
5ecd293d | 127 | } while (--len); |
201ac8ef JH |
128 | } else { |
129 | do { | |
ac78e548 | 130 | unsigned char c = *src++; |
5ecd293d | 131 | if (! (c == '\r' && (1 < len && *src == '\n'))) |
ac78e548 | 132 | *dst++ = c; |
5ecd293d | 133 | } while (--len); |
201ac8ef | 134 | } |
5ecd293d PH |
135 | strbuf_setlen(buf, dst - buf->buf); |
136 | return 1; | |
6c510bee LT |
137 | } |
138 | ||
5ecd293d PH |
139 | static int crlf_to_worktree(const char *path, const char *src, size_t len, |
140 | struct strbuf *buf, int action) | |
6c510bee | 141 | { |
5ecd293d | 142 | char *to_free = NULL; |
6c510bee | 143 | struct text_stat stats; |
6c510bee | 144 | |
163b9591 | 145 | if ((action == CRLF_BINARY) || (action == CRLF_INPUT) || |
760f0c62 | 146 | auto_crlf <= 0) |
5ecd293d | 147 | return 0; |
6c510bee | 148 | |
5ecd293d PH |
149 | if (!len) |
150 | return 0; | |
6c510bee | 151 | |
5ecd293d | 152 | gather_stats(src, len, &stats); |
6c510bee LT |
153 | |
154 | /* No LF? Nothing to convert, regardless. */ | |
155 | if (!stats.lf) | |
5ecd293d | 156 | return 0; |
6c510bee LT |
157 | |
158 | /* Was it already in CRLF format? */ | |
159 | if (stats.lf == stats.crlf) | |
5ecd293d | 160 | return 0; |
6c510bee | 161 | |
163b9591 | 162 | if (action == CRLF_GUESS) { |
201ac8ef JH |
163 | /* If we have any bare CR characters, we're not going to touch it */ |
164 | if (stats.cr != stats.crlf) | |
5ecd293d | 165 | return 0; |
6c510bee | 166 | |
5ecd293d PH |
167 | if (is_binary(len, &stats)) |
168 | return 0; | |
201ac8ef | 169 | } |
6c510bee | 170 | |
5ecd293d PH |
171 | /* are we "faking" in place editing ? */ |
172 | if (src == buf->buf) | |
b315c5c0 | 173 | to_free = strbuf_detach(buf, NULL); |
5ecd293d PH |
174 | |
175 | strbuf_grow(buf, len + stats.lf - stats.crlf); | |
176 | for (;;) { | |
177 | const char *nl = memchr(src, '\n', len); | |
178 | if (!nl) | |
179 | break; | |
180 | if (nl > src && nl[-1] == '\r') { | |
181 | strbuf_add(buf, src, nl + 1 - src); | |
182 | } else { | |
183 | strbuf_add(buf, src, nl - src); | |
184 | strbuf_addstr(buf, "\r\n"); | |
185 | } | |
186 | len -= nl + 1 - src; | |
187 | src = nl + 1; | |
188 | } | |
189 | strbuf_add(buf, src, len); | |
190 | ||
191 | free(to_free); | |
192 | return 1; | |
6c510bee | 193 | } |
35ebfd6a | 194 | |
aa4ed402 JH |
195 | static int filter_buffer(const char *path, const char *src, |
196 | unsigned long size, const char *cmd) | |
197 | { | |
198 | /* | |
199 | * Spawn cmd and feed the buffer contents through its stdin. | |
200 | */ | |
201 | struct child_process child_process; | |
202 | int pipe_feed[2]; | |
203 | int write_err, status; | |
204 | ||
205 | memset(&child_process, 0, sizeof(child_process)); | |
206 | ||
207 | if (pipe(pipe_feed) < 0) { | |
208 | error("cannot create pipe to run external filter %s", cmd); | |
209 | return 1; | |
210 | } | |
211 | ||
212 | child_process.pid = fork(); | |
213 | if (child_process.pid < 0) { | |
214 | error("cannot fork to run external filter %s", cmd); | |
215 | close(pipe_feed[0]); | |
216 | close(pipe_feed[1]); | |
217 | return 1; | |
218 | } | |
219 | if (!child_process.pid) { | |
220 | dup2(pipe_feed[0], 0); | |
221 | close(pipe_feed[0]); | |
222 | close(pipe_feed[1]); | |
223 | execlp("sh", "sh", "-c", cmd, NULL); | |
224 | return 1; | |
225 | } | |
226 | close(pipe_feed[0]); | |
227 | ||
228 | write_err = (write_in_full(pipe_feed[1], src, size) < 0); | |
229 | if (close(pipe_feed[1])) | |
230 | write_err = 1; | |
231 | if (write_err) | |
232 | error("cannot feed the input to external filter %s", cmd); | |
233 | ||
234 | status = finish_command(&child_process); | |
235 | if (status) | |
236 | error("external filter %s failed %d", cmd, -status); | |
237 | return (write_err || status); | |
238 | } | |
239 | ||
5ecd293d PH |
240 | static int apply_filter(const char *path, const char *src, size_t len, |
241 | struct strbuf *dst, const char *cmd) | |
aa4ed402 JH |
242 | { |
243 | /* | |
244 | * Create a pipeline to have the command filter the buffer's | |
245 | * contents. | |
246 | * | |
247 | * (child --> cmd) --> us | |
248 | */ | |
aa4ed402 | 249 | int pipe_feed[2]; |
5ecd293d | 250 | int status, ret = 1; |
aa4ed402 | 251 | struct child_process child_process; |
5ecd293d | 252 | struct strbuf nbuf; |
aa4ed402 JH |
253 | |
254 | if (!cmd) | |
5ecd293d | 255 | return 0; |
aa4ed402 JH |
256 | |
257 | memset(&child_process, 0, sizeof(child_process)); | |
258 | ||
259 | if (pipe(pipe_feed) < 0) { | |
260 | error("cannot create pipe to run external filter %s", cmd); | |
5ecd293d | 261 | return 0; |
aa4ed402 JH |
262 | } |
263 | ||
264 | fflush(NULL); | |
265 | child_process.pid = fork(); | |
266 | if (child_process.pid < 0) { | |
267 | error("cannot fork to run external filter %s", cmd); | |
268 | close(pipe_feed[0]); | |
269 | close(pipe_feed[1]); | |
5ecd293d | 270 | return 0; |
aa4ed402 JH |
271 | } |
272 | if (!child_process.pid) { | |
273 | dup2(pipe_feed[1], 1); | |
274 | close(pipe_feed[0]); | |
275 | close(pipe_feed[1]); | |
5ecd293d | 276 | exit(filter_buffer(path, src, len, cmd)); |
aa4ed402 JH |
277 | } |
278 | close(pipe_feed[1]); | |
279 | ||
5ecd293d PH |
280 | strbuf_init(&nbuf, 0); |
281 | if (strbuf_read(&nbuf, pipe_feed[0], len) < 0) { | |
282 | error("read from external filter %s failed", cmd); | |
283 | ret = 0; | |
aa4ed402 JH |
284 | } |
285 | if (close(pipe_feed[0])) { | |
90d16ec0 | 286 | error("read from external filter %s failed", cmd); |
5ecd293d | 287 | ret = 0; |
aa4ed402 | 288 | } |
aa4ed402 JH |
289 | status = finish_command(&child_process); |
290 | if (status) { | |
90d16ec0 | 291 | error("external filter %s failed %d", cmd, -status); |
5ecd293d | 292 | ret = 0; |
aa4ed402 JH |
293 | } |
294 | ||
5ecd293d | 295 | if (ret) { |
90d16ec0 | 296 | strbuf_swap(dst, &nbuf); |
5ecd293d | 297 | } |
90d16ec0 | 298 | strbuf_release(&nbuf); |
5ecd293d | 299 | return ret; |
aa4ed402 JH |
300 | } |
301 | ||
302 | static struct convert_driver { | |
303 | const char *name; | |
304 | struct convert_driver *next; | |
305 | char *smudge; | |
306 | char *clean; | |
307 | } *user_convert, **user_convert_tail; | |
308 | ||
309 | static int read_convert_config(const char *var, const char *value) | |
310 | { | |
311 | const char *ep, *name; | |
312 | int namelen; | |
313 | struct convert_driver *drv; | |
314 | ||
315 | /* | |
316 | * External conversion drivers are configured using | |
317 | * "filter.<name>.variable". | |
318 | */ | |
319 | if (prefixcmp(var, "filter.") || (ep = strrchr(var, '.')) == var + 6) | |
320 | return 0; | |
321 | name = var + 7; | |
322 | namelen = ep - name; | |
323 | for (drv = user_convert; drv; drv = drv->next) | |
324 | if (!strncmp(drv->name, name, namelen) && !drv->name[namelen]) | |
325 | break; | |
326 | if (!drv) { | |
aa4ed402 | 327 | drv = xcalloc(1, sizeof(struct convert_driver)); |
182af834 | 328 | drv->name = xmemdupz(name, namelen); |
aa4ed402 JH |
329 | *user_convert_tail = drv; |
330 | user_convert_tail = &(drv->next); | |
331 | } | |
332 | ||
333 | ep++; | |
334 | ||
335 | /* | |
336 | * filter.<name>.smudge and filter.<name>.clean specifies | |
337 | * the command line: | |
338 | * | |
339 | * command-line | |
340 | * | |
341 | * The command-line will not be interpolated in any way. | |
342 | */ | |
343 | ||
344 | if (!strcmp("smudge", ep)) { | |
345 | if (!value) | |
346 | return error("%s: lacks value", var); | |
347 | drv->smudge = strdup(value); | |
348 | return 0; | |
349 | } | |
350 | ||
351 | if (!strcmp("clean", ep)) { | |
352 | if (!value) | |
353 | return error("%s: lacks value", var); | |
354 | drv->clean = strdup(value); | |
355 | return 0; | |
356 | } | |
357 | return 0; | |
358 | } | |
359 | ||
6073ee85 | 360 | static void setup_convert_check(struct git_attr_check *check) |
35ebfd6a JH |
361 | { |
362 | static struct git_attr *attr_crlf; | |
3fed15f5 | 363 | static struct git_attr *attr_ident; |
aa4ed402 | 364 | static struct git_attr *attr_filter; |
35ebfd6a | 365 | |
3fed15f5 | 366 | if (!attr_crlf) { |
35ebfd6a | 367 | attr_crlf = git_attr("crlf", 4); |
3fed15f5 | 368 | attr_ident = git_attr("ident", 5); |
aa4ed402 JH |
369 | attr_filter = git_attr("filter", 6); |
370 | user_convert_tail = &user_convert; | |
371 | git_config(read_convert_config); | |
3fed15f5 JH |
372 | } |
373 | check[0].attr = attr_crlf; | |
374 | check[1].attr = attr_ident; | |
aa4ed402 | 375 | check[2].attr = attr_filter; |
3fed15f5 JH |
376 | } |
377 | ||
378 | static int count_ident(const char *cp, unsigned long size) | |
379 | { | |
380 | /* | |
af9b54bb | 381 | * "$Id: 0000000000000000000000000000000000000000 $" <=> "$Id$" |
3fed15f5 JH |
382 | */ |
383 | int cnt = 0; | |
384 | char ch; | |
385 | ||
386 | while (size) { | |
387 | ch = *cp++; | |
388 | size--; | |
389 | if (ch != '$') | |
390 | continue; | |
af9b54bb | 391 | if (size < 3) |
3fed15f5 | 392 | break; |
af9b54bb | 393 | if (memcmp("Id", cp, 2)) |
3fed15f5 | 394 | continue; |
af9b54bb AP |
395 | ch = cp[2]; |
396 | cp += 3; | |
397 | size -= 3; | |
3fed15f5 | 398 | if (ch == '$') |
af9b54bb | 399 | cnt++; /* $Id$ */ |
3fed15f5 JH |
400 | if (ch != ':') |
401 | continue; | |
402 | ||
403 | /* | |
af9b54bb | 404 | * "$Id: ... "; scan up to the closing dollar sign and discard. |
3fed15f5 JH |
405 | */ |
406 | while (size) { | |
407 | ch = *cp++; | |
408 | size--; | |
409 | if (ch == '$') { | |
410 | cnt++; | |
411 | break; | |
412 | } | |
413 | } | |
414 | } | |
415 | return cnt; | |
416 | } | |
417 | ||
5ecd293d PH |
418 | static int ident_to_git(const char *path, const char *src, size_t len, |
419 | struct strbuf *buf, int ident) | |
3fed15f5 | 420 | { |
5ecd293d | 421 | char *dst, *dollar; |
3fed15f5 | 422 | |
5ecd293d PH |
423 | if (!ident || !count_ident(src, len)) |
424 | return 0; | |
425 | ||
90d16ec0 PH |
426 | /* only grow if not in place */ |
427 | if (strbuf_avail(buf) + buf->len < len) | |
428 | strbuf_grow(buf, len - buf->len); | |
5ecd293d PH |
429 | dst = buf->buf; |
430 | for (;;) { | |
431 | dollar = memchr(src, '$', len); | |
432 | if (!dollar) | |
433 | break; | |
434 | memcpy(dst, src, dollar + 1 - src); | |
435 | dst += dollar + 1 - src; | |
436 | len -= dollar + 1 - src; | |
437 | src = dollar + 1; | |
438 | ||
439 | if (len > 3 && !memcmp(src, "Id:", 3)) { | |
440 | dollar = memchr(src + 3, '$', len - 3); | |
441 | if (!dollar) | |
442 | break; | |
af9b54bb AP |
443 | memcpy(dst, "Id$", 3); |
444 | dst += 3; | |
5ecd293d PH |
445 | len -= dollar + 1 - src; |
446 | src = dollar + 1; | |
3fed15f5 JH |
447 | } |
448 | } | |
5ecd293d PH |
449 | memcpy(dst, src, len); |
450 | strbuf_setlen(buf, dst + len - buf->buf); | |
451 | return 1; | |
3fed15f5 JH |
452 | } |
453 | ||
5ecd293d PH |
454 | static int ident_to_worktree(const char *path, const char *src, size_t len, |
455 | struct strbuf *buf, int ident) | |
3fed15f5 | 456 | { |
3fed15f5 | 457 | unsigned char sha1[20]; |
5ecd293d PH |
458 | char *to_free = NULL, *dollar; |
459 | int cnt; | |
3fed15f5 JH |
460 | |
461 | if (!ident) | |
5ecd293d | 462 | return 0; |
3fed15f5 | 463 | |
5ecd293d | 464 | cnt = count_ident(src, len); |
3fed15f5 | 465 | if (!cnt) |
5ecd293d | 466 | return 0; |
3fed15f5 | 467 | |
5ecd293d PH |
468 | /* are we "faking" in place editing ? */ |
469 | if (src == buf->buf) | |
b315c5c0 | 470 | to_free = strbuf_detach(buf, NULL); |
5ecd293d | 471 | hash_sha1_file(src, len, "blob", sha1); |
3fed15f5 | 472 | |
5ecd293d PH |
473 | strbuf_grow(buf, len + cnt * 43); |
474 | for (;;) { | |
475 | /* step 1: run to the next '$' */ | |
476 | dollar = memchr(src, '$', len); | |
477 | if (!dollar) | |
478 | break; | |
479 | strbuf_add(buf, src, dollar + 1 - src); | |
480 | len -= dollar + 1 - src; | |
481 | src = dollar + 1; | |
c23290d5 | 482 | |
5ecd293d PH |
483 | /* step 2: does it looks like a bit like Id:xxx$ or Id$ ? */ |
484 | if (len < 3 || memcmp("Id", src, 2)) | |
3fed15f5 JH |
485 | continue; |
486 | ||
5ecd293d PH |
487 | /* step 3: skip over Id$ or Id:xxxxx$ */ |
488 | if (src[2] == '$') { | |
489 | src += 3; | |
490 | len -= 3; | |
491 | } else if (src[2] == ':') { | |
492 | /* | |
493 | * It's possible that an expanded Id has crept its way into the | |
494 | * repository, we cope with that by stripping the expansion out | |
495 | */ | |
496 | dollar = memchr(src + 3, '$', len - 3); | |
497 | if (!dollar) { | |
498 | /* incomplete keyword, no more '$', so just quit the loop */ | |
499 | break; | |
500 | } | |
c23290d5 | 501 | |
5ecd293d PH |
502 | len -= dollar + 1 - src; |
503 | src = dollar + 1; | |
504 | } else { | |
505 | /* it wasn't a "Id$" or "Id:xxxx$" */ | |
506 | continue; | |
507 | } | |
c23290d5 | 508 | |
5ecd293d PH |
509 | /* step 4: substitute */ |
510 | strbuf_addstr(buf, "Id: "); | |
511 | strbuf_add(buf, sha1_to_hex(sha1), 40); | |
512 | strbuf_addstr(buf, " $"); | |
3fed15f5 | 513 | } |
5ecd293d | 514 | strbuf_add(buf, src, len); |
3fed15f5 | 515 | |
5ecd293d PH |
516 | free(to_free); |
517 | return 1; | |
35ebfd6a JH |
518 | } |
519 | ||
6073ee85 | 520 | static int git_path_check_crlf(const char *path, struct git_attr_check *check) |
35ebfd6a | 521 | { |
6073ee85 JH |
522 | const char *value = check->value; |
523 | ||
524 | if (ATTR_TRUE(value)) | |
525 | return CRLF_TEXT; | |
526 | else if (ATTR_FALSE(value)) | |
527 | return CRLF_BINARY; | |
528 | else if (ATTR_UNSET(value)) | |
529 | ; | |
530 | else if (!strcmp(value, "input")) | |
531 | return CRLF_INPUT; | |
163b9591 | 532 | return CRLF_GUESS; |
35ebfd6a JH |
533 | } |
534 | ||
aa4ed402 JH |
535 | static struct convert_driver *git_path_check_convert(const char *path, |
536 | struct git_attr_check *check) | |
537 | { | |
538 | const char *value = check->value; | |
539 | struct convert_driver *drv; | |
540 | ||
541 | if (ATTR_TRUE(value) || ATTR_FALSE(value) || ATTR_UNSET(value)) | |
542 | return NULL; | |
543 | for (drv = user_convert; drv; drv = drv->next) | |
544 | if (!strcmp(value, drv->name)) | |
545 | return drv; | |
546 | return NULL; | |
547 | } | |
548 | ||
3fed15f5 JH |
549 | static int git_path_check_ident(const char *path, struct git_attr_check *check) |
550 | { | |
551 | const char *value = check->value; | |
552 | ||
553 | return !!ATTR_TRUE(value); | |
554 | } | |
555 | ||
5ecd293d | 556 | int convert_to_git(const char *path, const char *src, size_t len, struct strbuf *dst) |
35ebfd6a | 557 | { |
aa4ed402 | 558 | struct git_attr_check check[3]; |
6073ee85 | 559 | int crlf = CRLF_GUESS; |
5ecd293d | 560 | int ident = 0, ret = 0; |
aa4ed402 | 561 | char *filter = NULL; |
6073ee85 JH |
562 | |
563 | setup_convert_check(check); | |
3fed15f5 | 564 | if (!git_checkattr(path, ARRAY_SIZE(check), check)) { |
aa4ed402 | 565 | struct convert_driver *drv; |
3fed15f5 JH |
566 | crlf = git_path_check_crlf(path, check + 0); |
567 | ident = git_path_check_ident(path, check + 1); | |
aa4ed402 JH |
568 | drv = git_path_check_convert(path, check + 2); |
569 | if (drv && drv->clean) | |
570 | filter = drv->clean; | |
3fed15f5 JH |
571 | } |
572 | ||
5ecd293d PH |
573 | ret |= apply_filter(path, src, len, dst, filter); |
574 | if (ret) { | |
575 | src = dst->buf; | |
576 | len = dst->len; | |
aa4ed402 | 577 | } |
5ecd293d PH |
578 | ret |= crlf_to_git(path, src, len, dst, crlf); |
579 | if (ret) { | |
580 | src = dst->buf; | |
581 | len = dst->len; | |
6073ee85 | 582 | } |
5ecd293d | 583 | return ret | ident_to_git(path, src, len, dst, ident); |
35ebfd6a JH |
584 | } |
585 | ||
5ecd293d | 586 | int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst) |
35ebfd6a | 587 | { |
aa4ed402 | 588 | struct git_attr_check check[3]; |
6073ee85 | 589 | int crlf = CRLF_GUESS; |
5ecd293d | 590 | int ident = 0, ret = 0; |
aa4ed402 | 591 | char *filter = NULL; |
6073ee85 JH |
592 | |
593 | setup_convert_check(check); | |
3fed15f5 | 594 | if (!git_checkattr(path, ARRAY_SIZE(check), check)) { |
aa4ed402 | 595 | struct convert_driver *drv; |
3fed15f5 JH |
596 | crlf = git_path_check_crlf(path, check + 0); |
597 | ident = git_path_check_ident(path, check + 1); | |
aa4ed402 JH |
598 | drv = git_path_check_convert(path, check + 2); |
599 | if (drv && drv->smudge) | |
600 | filter = drv->smudge; | |
6073ee85 | 601 | } |
3fed15f5 | 602 | |
5ecd293d PH |
603 | ret |= ident_to_worktree(path, src, len, dst, ident); |
604 | if (ret) { | |
605 | src = dst->buf; | |
606 | len = dst->len; | |
3fed15f5 | 607 | } |
5ecd293d PH |
608 | ret |= crlf_to_worktree(path, src, len, dst, crlf); |
609 | if (ret) { | |
610 | src = dst->buf; | |
611 | len = dst->len; | |
aa4ed402 | 612 | } |
5ecd293d | 613 | return ret | apply_filter(path, src, len, dst, filter); |
35ebfd6a | 614 | } |