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Commit | Line | Data |
---|---|---|
e0965d83 | 1 | #include <ctype.h> |
9174026c | 2 | #include "cache.h" |
3ebfd4aa | 3 | #include "diff.h" |
e3bc7a3b | 4 | #include "commit.h" |
9174026c | 5 | |
dc26bd89 | 6 | static int show_root_diff = 0; |
cee99d22 | 7 | static int verbose_header = 0; |
e0965d83 | 8 | static int ignore_merges = 1; |
73134b6d | 9 | static int recursive = 0; |
4cae1a96 | 10 | static int show_tree_entry_in_recursive = 0; |
e0965d83 | 11 | static int read_stdin = 0; |
81e50eab | 12 | static int diff_output_format = DIFF_FORMAT_HUMAN; |
5c97558c | 13 | static int detect_rename = 0; |
a7ca6540 | 14 | static int find_copies_harder = 0; |
19feebc8 | 15 | static int diff_setup_opt = 0; |
57fe64a4 | 16 | static int diff_score_opt = 0; |
057c7d30 | 17 | static const char *pickaxe = NULL; |
367cec1c | 18 | static int pickaxe_opts = 0; |
f345b0a0 | 19 | static int diff_break_opt = -1; |
af5323e0 | 20 | static const char *orderfile = NULL; |
f2ce9fde | 21 | static const char *diff_filter = NULL; |
f4f21ce3 | 22 | static const char *header = NULL; |
cee99d22 | 23 | static const char *header_prefix = ""; |
000182ea | 24 | static enum cmit_fmt commit_format = CMIT_FMT_RAW; |
9174026c | 25 | |
c5b42386 LT |
26 | // What paths are we interested in? |
27 | static int nr_paths = 0; | |
6b14d7fa | 28 | static const char **paths = NULL; |
c5b42386 LT |
29 | static int *pathlens = NULL; |
30 | ||
eeb79916 | 31 | static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base); |
73134b6d LT |
32 | |
33 | static void update_tree_entry(void **bufp, unsigned long *sizep) | |
9174026c LT |
34 | { |
35 | void *buf = *bufp; | |
36 | unsigned long size = *sizep; | |
37 | int len = strlen(buf) + 1 + 20; | |
38 | ||
39 | if (size < len) | |
2de381f9 | 40 | die("corrupt tree file"); |
9174026c LT |
41 | *bufp = buf + len; |
42 | *sizep = size - len; | |
9174026c LT |
43 | } |
44 | ||
45 | static const unsigned char *extract(void *tree, unsigned long size, const char **pathp, unsigned int *modep) | |
46 | { | |
47 | int len = strlen(tree)+1; | |
48 | const unsigned char *sha1 = tree + len; | |
49 | const char *path = strchr(tree, ' '); | |
67574c40 | 50 | unsigned int mode; |
9174026c | 51 | |
67574c40 | 52 | if (!path || size < len + 20 || sscanf(tree, "%o", &mode) != 1) |
2de381f9 | 53 | die("corrupt tree file"); |
9174026c | 54 | *pathp = path+1; |
67574c40 | 55 | *modep = DIFF_FILE_CANON_MODE(mode); |
9174026c LT |
56 | return sha1; |
57 | } | |
58 | ||
262e82b4 LT |
59 | static char *malloc_base(const char *base, const char *path, int pathlen) |
60 | { | |
61 | int baselen = strlen(base); | |
812666c8 | 62 | char *newbase = xmalloc(baselen + pathlen + 2); |
262e82b4 LT |
63 | memcpy(newbase, base, baselen); |
64 | memcpy(newbase + baselen, path, pathlen); | |
65 | memcpy(newbase + baselen + pathlen, "/", 2); | |
66 | return newbase; | |
67 | } | |
68 | ||
69 | static void show_file(const char *prefix, void *tree, unsigned long size, const char *base); | |
ed1a368b | 70 | static void show_tree(const char *prefix, void *tree, unsigned long size, const char *base); |
262e82b4 LT |
71 | |
72 | /* A file entry went away or appeared */ | |
73134b6d | 73 | static void show_file(const char *prefix, void *tree, unsigned long size, const char *base) |
9174026c LT |
74 | { |
75 | unsigned mode; | |
76 | const char *path; | |
77 | const unsigned char *sha1 = extract(tree, size, &path, &mode); | |
262e82b4 LT |
78 | |
79 | if (recursive && S_ISDIR(mode)) { | |
80 | char type[20]; | |
81 | unsigned long size; | |
82 | char *newbase = malloc_base(base, path, strlen(path)); | |
83 | void *tree; | |
84 | ||
85 | tree = read_sha1_file(sha1, type, &size); | |
86 | if (!tree || strcmp(type, "tree")) | |
2de381f9 | 87 | die("corrupt tree sha %s", sha1_to_hex(sha1)); |
262e82b4 LT |
88 | |
89 | show_tree(prefix, tree, size, newbase); | |
57fe64a4 | 90 | |
262e82b4 LT |
91 | free(tree); |
92 | free(newbase); | |
93 | return; | |
94 | } | |
95 | ||
57fe64a4 | 96 | diff_addremove(prefix[0], mode, sha1, base, path); |
9174026c LT |
97 | } |
98 | ||
eeb79916 | 99 | static int compare_tree_entry(void *tree1, unsigned long size1, void *tree2, unsigned long size2, const char *base) |
9174026c LT |
100 | { |
101 | unsigned mode1, mode2; | |
102 | const char *path1, *path2; | |
103 | const unsigned char *sha1, *sha2; | |
73134b6d | 104 | int cmp, pathlen1, pathlen2; |
9174026c LT |
105 | |
106 | sha1 = extract(tree1, size1, &path1, &mode1); | |
107 | sha2 = extract(tree2, size2, &path2, &mode2); | |
108 | ||
73134b6d LT |
109 | pathlen1 = strlen(path1); |
110 | pathlen2 = strlen(path2); | |
e46091d5 | 111 | cmp = base_name_compare(path1, pathlen1, mode1, path2, pathlen2, mode2); |
9174026c | 112 | if (cmp < 0) { |
eeb79916 | 113 | show_file("-", tree1, size1, base); |
9174026c LT |
114 | return -1; |
115 | } | |
116 | if (cmp > 0) { | |
eeb79916 | 117 | show_file("+", tree2, size2, base); |
9174026c LT |
118 | return 1; |
119 | } | |
a7ca6540 | 120 | if (!find_copies_harder && !memcmp(sha1, sha2, 20) && mode1 == mode2) |
9174026c | 121 | return 0; |
262e82b4 LT |
122 | |
123 | /* | |
124 | * If the filemode has changed to/from a directory from/to a regular | |
aebb2679 | 125 | * file, we need to consider it a remove and an add. |
262e82b4 LT |
126 | */ |
127 | if (S_ISDIR(mode1) != S_ISDIR(mode2)) { | |
128 | show_file("-", tree1, size1, base); | |
129 | show_file("+", tree2, size2, base); | |
130 | return 0; | |
131 | } | |
132 | ||
133 | if (recursive && S_ISDIR(mode1)) { | |
eeb79916 | 134 | int retval; |
262e82b4 | 135 | char *newbase = malloc_base(base, path1, pathlen1); |
4cae1a96 JH |
136 | if (show_tree_entry_in_recursive) |
137 | diff_change(mode1, mode2, sha1, sha2, base, path1); | |
eeb79916 LT |
138 | retval = diff_tree_sha1(sha1, sha2, newbase); |
139 | free(newbase); | |
140 | return retval; | |
73134b6d LT |
141 | } |
142 | ||
57fe64a4 | 143 | diff_change(mode1, mode2, sha1, sha2, base, path1); |
9174026c LT |
144 | return 0; |
145 | } | |
146 | ||
c5b42386 LT |
147 | static int interesting(void *tree, unsigned long size, const char *base) |
148 | { | |
149 | const char *path; | |
150 | unsigned mode; | |
151 | int i; | |
152 | int baselen, pathlen; | |
153 | ||
154 | if (!nr_paths) | |
155 | return 1; | |
156 | ||
157 | (void)extract(tree, size, &path, &mode); | |
158 | ||
159 | pathlen = strlen(path); | |
160 | baselen = strlen(base); | |
161 | ||
162 | for (i=0; i < nr_paths; i++) { | |
163 | const char *match = paths[i]; | |
164 | int matchlen = pathlens[i]; | |
165 | ||
166 | if (baselen >= matchlen) { | |
167 | /* If it doesn't match, move along... */ | |
168 | if (strncmp(base, match, matchlen)) | |
169 | continue; | |
170 | ||
171 | /* The base is a subdirectory of a path which was specified. */ | |
172 | return 1; | |
173 | } | |
174 | ||
175 | /* Does the base match? */ | |
176 | if (strncmp(base, match, baselen)) | |
177 | continue; | |
178 | ||
179 | match += baselen; | |
180 | matchlen -= baselen; | |
181 | ||
182 | if (pathlen > matchlen) | |
183 | continue; | |
184 | ||
cb6c8ed2 LT |
185 | if (matchlen > pathlen) { |
186 | if (match[pathlen] != '/') | |
187 | continue; | |
850e82d8 LT |
188 | if (!S_ISDIR(mode)) |
189 | continue; | |
cb6c8ed2 LT |
190 | } |
191 | ||
c5b42386 LT |
192 | if (strncmp(path, match, pathlen)) |
193 | continue; | |
194 | ||
195 | return 1; | |
196 | } | |
197 | return 0; /* No matches */ | |
198 | } | |
199 | ||
ed1a368b LT |
200 | /* A whole sub-tree went away or appeared */ |
201 | static void show_tree(const char *prefix, void *tree, unsigned long size, const char *base) | |
202 | { | |
203 | while (size) { | |
4727f640 | 204 | if (interesting(tree, size, base)) |
ed1a368b LT |
205 | show_file(prefix, tree, size, base); |
206 | update_tree_entry(&tree, &size); | |
207 | } | |
208 | } | |
209 | ||
eeb79916 | 210 | static int diff_tree(void *tree1, unsigned long size1, void *tree2, unsigned long size2, const char *base) |
9174026c LT |
211 | { |
212 | while (size1 | size2) { | |
c5b42386 LT |
213 | if (nr_paths && size1 && !interesting(tree1, size1, base)) { |
214 | update_tree_entry(&tree1, &size1); | |
215 | continue; | |
216 | } | |
217 | if (nr_paths && size2 && !interesting(tree2, size2, base)) { | |
218 | update_tree_entry(&tree2, &size2); | |
219 | continue; | |
220 | } | |
9174026c | 221 | if (!size1) { |
eeb79916 | 222 | show_file("+", tree2, size2, base); |
9174026c LT |
223 | update_tree_entry(&tree2, &size2); |
224 | continue; | |
225 | } | |
226 | if (!size2) { | |
eeb79916 | 227 | show_file("-", tree1, size1, base); |
9174026c LT |
228 | update_tree_entry(&tree1, &size1); |
229 | continue; | |
230 | } | |
eeb79916 | 231 | switch (compare_tree_entry(tree1, size1, tree2, size2, base)) { |
9174026c LT |
232 | case -1: |
233 | update_tree_entry(&tree1, &size1); | |
234 | continue; | |
235 | case 0: | |
236 | update_tree_entry(&tree1, &size1); | |
237 | /* Fallthrough */ | |
238 | case 1: | |
239 | update_tree_entry(&tree2, &size2); | |
240 | continue; | |
241 | } | |
667bb59b | 242 | die("git-diff-tree: internal error"); |
9174026c LT |
243 | } |
244 | return 0; | |
245 | } | |
246 | ||
eeb79916 | 247 | static int diff_tree_sha1(const unsigned char *old, const unsigned char *new, const char *base) |
9174026c | 248 | { |
9174026c LT |
249 | void *tree1, *tree2; |
250 | unsigned long size1, size2; | |
73134b6d | 251 | int retval; |
9174026c | 252 | |
e99d59ff | 253 | tree1 = read_object_with_reference(old, "tree", &size1, NULL); |
c1fdf2a6 | 254 | if (!tree1) |
2de381f9 | 255 | die("unable to read source tree (%s)", sha1_to_hex(old)); |
e99d59ff | 256 | tree2 = read_object_with_reference(new, "tree", &size2, NULL); |
c1fdf2a6 | 257 | if (!tree2) |
2de381f9 | 258 | die("unable to read destination tree (%s)", sha1_to_hex(new)); |
eeb79916 | 259 | retval = diff_tree(tree1, size1, tree2, size2, base); |
73134b6d LT |
260 | free(tree1); |
261 | free(tree2); | |
262 | return retval; | |
263 | } | |
264 | ||
38c6f780 JH |
265 | static void call_diff_setup(void) |
266 | { | |
19feebc8 | 267 | diff_setup(diff_setup_opt); |
38c6f780 JH |
268 | } |
269 | ||
09d74b3b | 270 | static int call_diff_flush(void) |
38c6f780 | 271 | { |
4727f640 | 272 | diffcore_std(NULL, |
befe8639 | 273 | detect_rename, diff_score_opt, |
f345b0a0 | 274 | pickaxe, pickaxe_opts, |
af5323e0 | 275 | diff_break_opt, |
f2ce9fde JH |
276 | orderfile, |
277 | diff_filter); | |
9ab55bd2 | 278 | if (diff_queue_is_empty()) { |
f2ce9fde | 279 | diff_flush(DIFF_FORMAT_NO_OUTPUT); |
9ab55bd2 | 280 | return 0; |
6b14d7fa | 281 | } |
6b14d7fa | 282 | if (header) { |
18092663 | 283 | printf("%s%c", header, diff_output_format == DIFF_FORMAT_MACHINE ? 0 : '\n'); |
6b14d7fa JH |
284 | header = NULL; |
285 | } | |
f2ce9fde | 286 | diff_flush(diff_output_format); |
6b14d7fa | 287 | return 1; |
38c6f780 JH |
288 | } |
289 | ||
5c97558c JH |
290 | static int diff_tree_sha1_top(const unsigned char *old, |
291 | const unsigned char *new, const char *base) | |
292 | { | |
293 | int ret; | |
57fe64a4 | 294 | |
38c6f780 | 295 | call_diff_setup(); |
5c97558c | 296 | ret = diff_tree_sha1(old, new, base); |
38c6f780 | 297 | call_diff_flush(); |
5c97558c JH |
298 | return ret; |
299 | } | |
300 | ||
dc26bd89 LT |
301 | static int diff_root_tree(const unsigned char *new, const char *base) |
302 | { | |
303 | int retval; | |
304 | void *tree; | |
305 | unsigned long size; | |
306 | ||
38c6f780 | 307 | call_diff_setup(); |
e99d59ff | 308 | tree = read_object_with_reference(new, "tree", &size, NULL); |
dc26bd89 LT |
309 | if (!tree) |
310 | die("unable to read root tree (%s)", sha1_to_hex(new)); | |
311 | retval = diff_tree("", 0, tree, size, base); | |
312 | free(tree); | |
38c6f780 | 313 | call_diff_flush(); |
dc26bd89 LT |
314 | return retval; |
315 | } | |
316 | ||
18092663 | 317 | static const char *generate_header(const char *commit, const char *parent, const char *msg, unsigned long len) |
cee99d22 | 318 | { |
3258c902 | 319 | static char this_header[16384]; |
cee99d22 LT |
320 | int offset; |
321 | ||
18092663 LT |
322 | if (!verbose_header) |
323 | return commit; | |
cee99d22 | 324 | |
18092663 LT |
325 | offset = sprintf(this_header, "%s%s (from %s)\n", header_prefix, commit, parent); |
326 | offset += pretty_print_commit(commit_format, msg, len, this_header + offset, sizeof(this_header) - offset); | |
cee99d22 LT |
327 | return this_header; |
328 | } | |
329 | ||
b11645be | 330 | static int diff_tree_commit(const unsigned char *commit, const char *name) |
e0965d83 | 331 | { |
e0965d83 | 332 | unsigned long size, offset; |
b11645be | 333 | char *buf = read_object_with_reference(commit, "commit", &size, NULL); |
e0965d83 | 334 | |
e0965d83 LT |
335 | if (!buf) |
336 | return -1; | |
337 | ||
73848892 LT |
338 | if (!name) { |
339 | static char commit_name[60]; | |
340 | strcpy(commit_name, sha1_to_hex(commit)); | |
341 | name = commit_name; | |
342 | } | |
343 | ||
dc26bd89 LT |
344 | /* Root commit? */ |
345 | if (show_root_diff && memcmp(buf + 46, "parent ", 7)) { | |
346 | header = generate_header(name, "root", buf, size); | |
347 | diff_root_tree(commit, ""); | |
348 | } | |
349 | ||
350 | /* More than one parent? */ | |
351 | if (ignore_merges) { | |
352 | if (!memcmp(buf + 46 + 48, "parent ", 7)) | |
353 | return 0; | |
354 | } | |
355 | ||
e0965d83 LT |
356 | offset = 46; |
357 | while (offset + 48 < size && !memcmp(buf + offset, "parent ", 7)) { | |
b11645be | 358 | unsigned char parent[20]; |
e0965d83 LT |
359 | if (get_sha1_hex(buf + offset + 7, parent)) |
360 | return -1; | |
b11645be | 361 | header = generate_header(name, sha1_to_hex(parent), buf, size); |
5c97558c | 362 | diff_tree_sha1_top(parent, commit, ""); |
d6db0107 | 363 | if (!header && verbose_header) { |
cee99d22 | 364 | header_prefix = "\ndiff-tree "; |
d6db0107 LT |
365 | /* |
366 | * Don't print multiple merge entries if we | |
367 | * don't print the diffs. | |
368 | */ | |
d6db0107 | 369 | } |
e0965d83 LT |
370 | offset += 48; |
371 | } | |
b11645be LT |
372 | return 0; |
373 | } | |
374 | ||
375 | static int diff_tree_stdin(char *line) | |
376 | { | |
377 | int len = strlen(line); | |
378 | unsigned char commit[20], parent[20]; | |
379 | static char this_header[1000]; | |
380 | ||
381 | if (!len || line[len-1] != '\n') | |
382 | return -1; | |
383 | line[len-1] = 0; | |
384 | if (get_sha1_hex(line, commit)) | |
385 | return -1; | |
386 | if (isspace(line[40]) && !get_sha1_hex(line+41, parent)) { | |
387 | line[40] = 0; | |
388 | line[81] = 0; | |
389 | sprintf(this_header, "%s (from %s)\n", line, line+41); | |
390 | header = this_header; | |
5c97558c | 391 | return diff_tree_sha1_top(parent, commit, ""); |
b11645be LT |
392 | } |
393 | line[40] = 0; | |
394 | return diff_tree_commit(commit, line); | |
e0965d83 LT |
395 | } |
396 | ||
5aad72f2 | 397 | static char *diff_tree_usage = |
4727f640 | 398 | "git-diff-tree [-p] [-r] [-z] [--stdin] [-m] [-s] [-v] [--pretty] [-t] [-R] [-B] [-M] [-C] [--find-copies-header] [-O<orderfile>] [-S<string>] [--pickaxe-all] <tree-ish> <tree-ish>"; |
a8db165e | 399 | |
6b14d7fa | 400 | int main(int argc, const char **argv) |
73134b6d | 401 | { |
0a8365a1 | 402 | int nr_sha1; |
e0965d83 | 403 | char line[1000]; |
0a8365a1 | 404 | unsigned char sha1[2][20]; |
73134b6d | 405 | |
0a8365a1 | 406 | nr_sha1 = 0; |
c5b42386 | 407 | for (;;) { |
6b14d7fa | 408 | const char *arg; |
c5b42386 | 409 | |
e0965d83 LT |
410 | argv++; |
411 | argc--; | |
412 | arg = *argv; | |
0a8365a1 | 413 | if (!arg) |
c5b42386 LT |
414 | break; |
415 | ||
0a8365a1 LT |
416 | if (*arg != '-') { |
417 | if (nr_sha1 < 2 && !get_sha1(arg, sha1[nr_sha1])) { | |
418 | nr_sha1++; | |
419 | continue; | |
420 | } | |
421 | break; | |
422 | } | |
423 | ||
424 | if (!strcmp(arg, "--")) { | |
e0965d83 LT |
425 | argv++; |
426 | argc--; | |
427 | break; | |
428 | } | |
bf16c71e | 429 | if (!strcmp(arg, "-r")) { |
73134b6d LT |
430 | recursive = 1; |
431 | continue; | |
432 | } | |
4cae1a96 JH |
433 | if (!strcmp(arg, "-t")) { |
434 | recursive = show_tree_entry_in_recursive = 1; | |
435 | continue; | |
436 | } | |
de809dbb | 437 | if (!strcmp(arg, "-R")) { |
19feebc8 | 438 | diff_setup_opt |= DIFF_SETUP_REVERSE; |
de809dbb LT |
439 | continue; |
440 | } | |
acb46f87 | 441 | if (!strcmp(arg, "-p") || !strcmp(arg, "-u")) { |
81e50eab JH |
442 | diff_output_format = DIFF_FORMAT_PATCH; |
443 | recursive = 1; | |
3ebfd4aa JH |
444 | continue; |
445 | } | |
52e95789 JH |
446 | if (!strncmp(arg, "-S", 2)) { |
447 | pickaxe = arg + 2; | |
448 | continue; | |
449 | } | |
af5323e0 JH |
450 | if (!strncmp(arg, "-O", 2)) { |
451 | orderfile = arg + 2; | |
452 | continue; | |
453 | } | |
f2ce9fde JH |
454 | if (!strncmp(arg, "--diff-filter=", 14)) { |
455 | diff_filter = arg + 14; | |
456 | continue; | |
457 | } | |
367cec1c JH |
458 | if (!strcmp(arg, "--pickaxe-all")) { |
459 | pickaxe_opts = DIFF_PICKAXE_ALL; | |
460 | continue; | |
461 | } | |
57fe64a4 | 462 | if (!strncmp(arg, "-M", 2)) { |
6b14d7fa | 463 | detect_rename = DIFF_DETECT_RENAME; |
0e3994fa JH |
464 | if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1) |
465 | usage(diff_tree_usage); | |
427dcb4b JH |
466 | continue; |
467 | } | |
468 | if (!strncmp(arg, "-C", 2)) { | |
6b14d7fa | 469 | detect_rename = DIFF_DETECT_COPY; |
0e3994fa JH |
470 | if ((diff_score_opt = diff_scoreopt_parse(arg)) == -1) |
471 | usage(diff_tree_usage); | |
5c97558c JH |
472 | continue; |
473 | } | |
f345b0a0 | 474 | if (!strncmp(arg, "-B", 2)) { |
0e3994fa JH |
475 | if ((diff_break_opt = diff_scoreopt_parse(arg)) == -1) |
476 | usage(diff_tree_usage); | |
f345b0a0 JH |
477 | continue; |
478 | } | |
a7ca6540 JH |
479 | if (!strcmp(arg, "--find-copies-harder")) { |
480 | find_copies_harder = 1; | |
481 | continue; | |
482 | } | |
6cbd72f8 | 483 | if (!strcmp(arg, "-z")) { |
81e50eab | 484 | diff_output_format = DIFF_FORMAT_MACHINE; |
6cbd72f8 LT |
485 | continue; |
486 | } | |
e0965d83 LT |
487 | if (!strcmp(arg, "-m")) { |
488 | ignore_merges = 0; | |
489 | continue; | |
490 | } | |
f4f21ce3 | 491 | if (!strcmp(arg, "-s")) { |
d0309355 | 492 | diff_output_format = DIFF_FORMAT_NO_OUTPUT; |
f4f21ce3 LT |
493 | continue; |
494 | } | |
cee99d22 LT |
495 | if (!strcmp(arg, "-v")) { |
496 | verbose_header = 1; | |
497 | header_prefix = "diff-tree "; | |
498 | continue; | |
499 | } | |
a8db165e JH |
500 | if (!strncmp(arg, "--pretty", 8)) { |
501 | verbose_header = 1; | |
ba88e54b | 502 | header_prefix = "diff-tree "; |
a8db165e JH |
503 | commit_format = get_commit_format(arg+8); |
504 | continue; | |
505 | } | |
e0965d83 LT |
506 | if (!strcmp(arg, "--stdin")) { |
507 | read_stdin = 1; | |
508 | continue; | |
509 | } | |
dc26bd89 LT |
510 | if (!strcmp(arg, "--root")) { |
511 | show_root_diff = 1; | |
512 | continue; | |
513 | } | |
c5bac17a | 514 | usage(diff_tree_usage); |
73134b6d | 515 | } |
a7ca6540 JH |
516 | if (find_copies_harder && detect_rename != DIFF_DETECT_COPY) |
517 | usage(diff_tree_usage); | |
73134b6d | 518 | |
e0965d83 | 519 | if (argc > 0) { |
c5b42386 LT |
520 | int i; |
521 | ||
e0965d83 LT |
522 | paths = argv; |
523 | nr_paths = argc; | |
812666c8 | 524 | pathlens = xmalloc(nr_paths * sizeof(int)); |
c5b42386 LT |
525 | for (i=0; i<nr_paths; i++) |
526 | pathlens[i] = strlen(paths[i]); | |
527 | } | |
528 | ||
0a8365a1 LT |
529 | switch (nr_sha1) { |
530 | case 0: | |
531 | if (!read_stdin) | |
532 | usage(diff_tree_usage); | |
533 | break; | |
534 | case 1: | |
73848892 | 535 | diff_tree_commit(sha1[0], NULL); |
0a8365a1 LT |
536 | break; |
537 | case 2: | |
5c97558c | 538 | diff_tree_sha1_top(sha1[0], sha1[1], ""); |
0a8365a1 LT |
539 | break; |
540 | } | |
541 | ||
e0965d83 | 542 | if (!read_stdin) |
0a8365a1 | 543 | return 0; |
e0965d83 | 544 | |
f0c6b2a2 JH |
545 | if (detect_rename) |
546 | diff_setup_opt |= (DIFF_SETUP_USE_SIZE_CACHE | | |
547 | DIFF_SETUP_USE_CACHE); | |
e0965d83 LT |
548 | while (fgets(line, sizeof(line), stdin)) |
549 | diff_tree_stdin(line); | |
550 | ||
551 | return 0; | |
9174026c | 552 | } |