2 7d283eee 2017-11-29 stsp * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
4 7d283eee 2017-11-29 stsp * Permission to use, copy, modify, and distribute this software for any
5 7d283eee 2017-11-29 stsp * purpose with or without fee is hereby granted, provided that the above
6 7d283eee 2017-11-29 stsp * copyright notice and this permission notice appear in all copies.
8 7d283eee 2017-11-29 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7d283eee 2017-11-29 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7d283eee 2017-11-29 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7d283eee 2017-11-29 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7d283eee 2017-11-29 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7d283eee 2017-11-29 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7d283eee 2017-11-29 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
19 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
20 1c7f0520 2017-11-29 stsp #include <sys/stat.h>
22 7d283eee 2017-11-29 stsp #include <stdio.h>
23 7d283eee 2017-11-29 stsp #include <stdlib.h>
24 7d283eee 2017-11-29 stsp #include <string.h>
25 f9d67749 2017-11-30 stsp #include <limits.h>
26 7d283eee 2017-11-29 stsp #include <zlib.h>
28 7d283eee 2017-11-29 stsp #include "got_object.h"
29 e09a504c 2019-06-28 stsp #include "got_repository.h"
30 7d283eee 2017-11-29 stsp #include "got_error.h"
31 789689b5 2017-11-30 stsp #include "got_diff.h"
32 324d37e7 2019-05-11 stsp #include "got_path.h"
33 0208f208 2020-05-05 stsp #include "got_cancel.h"
34 0208f208 2020-05-05 stsp #include "got_worktree.h"
35 1758cce7 2022-06-13 thomas #include "got_opentemp.h"
37 718b3ab0 2018-03-17 stsp #include "got_lib_diff.h"
38 15a94983 2018-12-23 stsp #include "got_lib_delta.h"
39 15a94983 2018-12-23 stsp #include "got_lib_inflate.h"
40 15a94983 2018-12-23 stsp #include "got_lib_object.h"
42 772fcad5 2023-01-07 thomas #ifndef MAX
43 772fcad5 2023-01-07 thomas #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
46 404c43c4 2018-06-21 stsp static const struct got_error *
47 82c78e96 2022-08-06 thomas add_line_metadata(struct got_diff_line **lines, size_t *nlines,
48 82c78e96 2022-08-06 thomas off_t off, uint8_t type)
50 82c78e96 2022-08-06 thomas struct got_diff_line *p;
52 82c78e96 2022-08-06 thomas p = reallocarray(*lines, *nlines + 1, sizeof(**lines));
53 fe621944 2020-11-10 stsp if (p == NULL)
54 fe621944 2020-11-10 stsp return got_error_from_errno("reallocarray");
55 82c78e96 2022-08-06 thomas *lines = p;
56 82c78e96 2022-08-06 thomas (*lines)[*nlines].offset = off;
57 82c78e96 2022-08-06 thomas (*lines)[*nlines].type = type;
58 fe621944 2020-11-10 stsp (*nlines)++;
60 fe621944 2020-11-10 stsp return NULL;
63 53d03f97 2023-01-10 thomas static void
64 53d03f97 2023-01-10 thomas diffstat_field_width(size_t *maxlen, int *add_cols, int *rm_cols, size_t len,
65 53d03f97 2023-01-10 thomas uint32_t add, uint32_t rm)
67 53d03f97 2023-01-10 thomas int d1 = 1, d2 = 1;
69 53d03f97 2023-01-10 thomas if (maxlen)
70 53d03f97 2023-01-10 thomas *maxlen = MAX(*maxlen, len);
72 53d03f97 2023-01-10 thomas while (add /= 10)
74 53d03f97 2023-01-10 thomas *add_cols = MAX(*add_cols, d1);
76 53d03f97 2023-01-10 thomas while (rm /= 10)
78 53d03f97 2023-01-10 thomas *rm_cols = MAX(*rm_cols, d2);
81 fe621944 2020-11-10 stsp static const struct got_error *
82 53d03f97 2023-01-10 thomas get_diffstat(struct got_diffstat_cb_arg *ds, const char *path,
83 53d03f97 2023-01-10 thomas struct diff_result *r, int force_text, int status)
85 53d03f97 2023-01-10 thomas const struct got_error *err;
86 53d03f97 2023-01-10 thomas struct got_pathlist_entry *pe;
87 53d03f97 2023-01-10 thomas struct got_diff_changed_path *change = NULL;
88 53d03f97 2023-01-10 thomas int flags = (r->left->atomizer_flags | r->right->atomizer_flags);
89 53d03f97 2023-01-10 thomas int isbin = (flags & DIFF_ATOMIZER_FOUND_BINARY_DATA);
92 53d03f97 2023-01-10 thomas change = calloc(1, sizeof(*change));
93 53d03f97 2023-01-10 thomas if (change == NULL)
94 e80ef83e 2023-01-10 thomas return got_error_from_errno("calloc");
96 53d03f97 2023-01-10 thomas if (!isbin || force_text) {
97 53d03f97 2023-01-10 thomas for (i = 0; i < r->chunks.len; ++i) {
98 53d03f97 2023-01-10 thomas struct diff_chunk *c;
99 53d03f97 2023-01-10 thomas int clc, crc;
101 53d03f97 2023-01-10 thomas c = diff_chunk_get(r, i);
102 53d03f97 2023-01-10 thomas clc = diff_chunk_get_left_count(c);
103 53d03f97 2023-01-10 thomas crc = diff_chunk_get_right_count(c);
105 53d03f97 2023-01-10 thomas if (crc && !clc)
106 53d03f97 2023-01-10 thomas change->add += crc;
107 53d03f97 2023-01-10 thomas if (clc && !crc)
108 53d03f97 2023-01-10 thomas change->rm += clc;
112 53d03f97 2023-01-10 thomas change->status = status;
113 53d03f97 2023-01-10 thomas ds->ins += change->add;
114 53d03f97 2023-01-10 thomas ds->del += change->rm;
115 53d03f97 2023-01-10 thomas ++ds->nfiles;
117 53d03f97 2023-01-10 thomas err = got_pathlist_append(ds->paths, path, change);
118 92a56907 2023-01-14 thomas if (err) {
119 92a56907 2023-01-14 thomas free(change);
120 53d03f97 2023-01-10 thomas return err;
123 53d03f97 2023-01-10 thomas pe = TAILQ_LAST(ds->paths, got_pathlist_head);
124 53d03f97 2023-01-10 thomas diffstat_field_width(&ds->max_path_len, &ds->add_cols, &ds->rm_cols,
125 53d03f97 2023-01-10 thomas pe->path_len, change->add, change->rm);
127 53d03f97 2023-01-10 thomas return NULL;
130 53d03f97 2023-01-10 thomas static const struct got_error *
131 82c78e96 2022-08-06 thomas diff_blobs(struct got_diff_line **lines, size_t *nlines,
132 fe621944 2020-11-10 stsp struct got_diffreg_result **resultp, struct got_blob_object *blob1,
133 a0f32f33 2022-06-13 thomas struct got_blob_object *blob2, FILE *f1, FILE *f2,
134 46f68b20 2019-10-19 stsp const char *label1, const char *label2, mode_t mode1, mode_t mode2,
135 53d03f97 2023-01-10 thomas int diff_context, int ignore_whitespace, int force_text_diff,
136 be97ab03 2023-01-19 thomas struct got_diffstat_cb_arg *diffstat, FILE *outfile,
137 25ec7006 2022-07-01 thomas enum got_diff_algorithm diff_algo)
139 fe621944 2020-11-10 stsp const struct got_error *err = NULL, *free_err;
140 01986ce9 2023-02-07 thomas char hex1[GOT_OBJECT_ID_HEX_MAXLEN];
141 01986ce9 2023-02-07 thomas char hex2[GOT_OBJECT_ID_HEX_MAXLEN];
142 0c6f49ba 2022-07-01 thomas const char *idstr1 = NULL, *idstr2 = NULL;
143 92a56907 2023-01-14 thomas char *modestr1 = NULL, *modestr2 = NULL;
144 be659d10 2020-11-18 stsp off_t size1, size2;
145 a6d62598 2023-01-07 thomas struct got_diffreg_result *result = NULL;
146 fe621944 2020-11-10 stsp off_t outoff = 0;
149 3387ec82 2022-08-30 thomas if (lines && *lines && *nlines > 0)
150 82c78e96 2022-08-06 thomas outoff = (*lines)[*nlines - 1].offset;
151 82c78e96 2022-08-06 thomas else if (lines) {
152 82c78e96 2022-08-06 thomas err = add_line_metadata(lines, nlines, 0, GOT_DIFF_LINE_NONE);
157 fe621944 2020-11-10 stsp if (resultp)
158 fe621944 2020-11-10 stsp *resultp = NULL;
160 a0f32f33 2022-06-13 thomas if (f1) {
161 1758cce7 2022-06-13 thomas err = got_opentemp_truncate(f1);
163 a0f32f33 2022-06-13 thomas goto done;
165 a0f32f33 2022-06-13 thomas if (f2) {
166 1758cce7 2022-06-13 thomas err = got_opentemp_truncate(f2);
168 a0f32f33 2022-06-13 thomas goto done;
172 98abbc84 2017-11-30 stsp if (blob1) {
173 f934cf2c 2018-02-12 stsp idstr1 = got_object_blob_id_str(blob1, hex1, sizeof(hex1));
174 6c4c42e0 2019-06-24 stsp err = got_object_blob_dump_to_file(&size1, NULL, NULL, f1,
179 98abbc84 2017-11-30 stsp idstr1 = "/dev/null";
182 98abbc84 2017-11-30 stsp if (blob2) {
183 f934cf2c 2018-02-12 stsp idstr2 = got_object_blob_id_str(blob2, hex2, sizeof(hex2));
184 6c4c42e0 2019-06-24 stsp err = got_object_blob_dump_to_file(&size2, NULL, NULL, f2,
189 98abbc84 2017-11-30 stsp idstr2 = "/dev/null";
191 09de383e 2018-12-24 stsp if (outfile) {
192 40dde666 2020-07-23 stsp int modebits;
194 46f68b20 2019-10-19 stsp if (mode1 && mode1 != mode2) {
195 40dde666 2020-07-23 stsp if (S_ISLNK(mode1))
196 40dde666 2020-07-23 stsp modebits = S_IFLNK;
198 40dde666 2020-07-23 stsp modebits = (S_IRWXU | S_IRWXG | S_IRWXO);
199 46f68b20 2019-10-19 stsp if (asprintf(&modestr1, " (mode %o)",
200 40dde666 2020-07-23 stsp mode1 & modebits) == -1) {
201 46f68b20 2019-10-19 stsp err = got_error_from_errno("asprintf");
205 46f68b20 2019-10-19 stsp if (mode2 && mode1 != mode2) {
206 40dde666 2020-07-23 stsp if (S_ISLNK(mode2))
207 40dde666 2020-07-23 stsp modebits = S_IFLNK;
209 40dde666 2020-07-23 stsp modebits = (S_IRWXU | S_IRWXG | S_IRWXO);
210 46f68b20 2019-10-19 stsp if (asprintf(&modestr2, " (mode %o)",
211 40dde666 2020-07-23 stsp mode2 & modebits) == -1) {
212 46f68b20 2019-10-19 stsp err = got_error_from_errno("asprintf");
216 fe621944 2020-11-10 stsp n = fprintf(outfile, "blob - %s%s\n", idstr1,
217 46f68b20 2019-10-19 stsp modestr1 ? modestr1 : "");
220 fe621944 2020-11-10 stsp outoff += n;
221 82c78e96 2022-08-06 thomas if (lines) {
222 82c78e96 2022-08-06 thomas err = add_line_metadata(lines, nlines, outoff,
223 82c78e96 2022-08-06 thomas GOT_DIFF_LINE_BLOB_MIN);
228 fe621944 2020-11-10 stsp n = fprintf(outfile, "blob + %s%s\n", idstr2,
229 46f68b20 2019-10-19 stsp modestr2 ? modestr2 : "");
232 fe621944 2020-11-10 stsp outoff += n;
233 82c78e96 2022-08-06 thomas if (lines) {
234 82c78e96 2022-08-06 thomas err = add_line_metadata(lines, nlines, outoff,
235 82c78e96 2022-08-06 thomas GOT_DIFF_LINE_BLOB_PLUS);
241 25ec7006 2022-07-01 thomas err = got_diffreg(&result, f1, f2, diff_algo, ignore_whitespace,
242 25ec7006 2022-07-01 thomas force_text_diff);
246 be97ab03 2023-01-19 thomas if (diffstat) {
247 53d03f97 2023-01-10 thomas char *path = NULL;
248 53d03f97 2023-01-10 thomas int status = GOT_STATUS_NO_CHANGE;
250 e80ef83e 2023-01-10 thomas if (blob1 == NULL)
251 e80ef83e 2023-01-10 thomas status = GOT_STATUS_ADD;
252 e80ef83e 2023-01-10 thomas else if (blob2 == NULL)
253 e80ef83e 2023-01-10 thomas status = GOT_STATUS_DELETE;
255 be97ab03 2023-01-19 thomas if (strcmp(idstr1, idstr2) != 0)
256 be97ab03 2023-01-19 thomas status = GOT_STATUS_MODIFY;
257 be97ab03 2023-01-19 thomas else if (mode1 != mode2)
258 be97ab03 2023-01-19 thomas status = GOT_STATUS_MODE_CHANGE;
261 53d03f97 2023-01-10 thomas if (label1 == NULL && label2 == NULL) {
262 53d03f97 2023-01-10 thomas /* diffstat of blobs, show hash instead of path */
263 53d03f97 2023-01-10 thomas if (asprintf(&path, "%.10s -> %.10s",
264 53d03f97 2023-01-10 thomas idstr1, idstr2) == -1) {
265 53d03f97 2023-01-10 thomas err = got_error_from_errno("asprintf");
266 53d03f97 2023-01-10 thomas goto done;
269 e80ef83e 2023-01-10 thomas if (label2 != NULL &&
270 e80ef83e 2023-01-10 thomas (status != GOT_STATUS_DELETE || label1 == NULL))
271 e80ef83e 2023-01-10 thomas path = strdup(label2);
273 e80ef83e 2023-01-10 thomas path = strdup(label1);
274 53d03f97 2023-01-10 thomas if (path == NULL) {
275 e80ef83e 2023-01-10 thomas err = got_error_from_errno("strdup");
276 53d03f97 2023-01-10 thomas goto done;
280 be97ab03 2023-01-19 thomas err = get_diffstat(diffstat, path, result->result,
281 be97ab03 2023-01-19 thomas force_text_diff, status);
282 53d03f97 2023-01-10 thomas if (err) {
283 53d03f97 2023-01-10 thomas free(path);
284 53d03f97 2023-01-10 thomas goto done;
288 fe621944 2020-11-10 stsp if (outfile) {
289 82c78e96 2022-08-06 thomas err = got_diffreg_output(lines, nlines, result,
290 1cb46f00 2020-11-21 stsp blob1 != NULL, blob2 != NULL,
291 fe621944 2020-11-10 stsp label1 ? label1 : idstr1,
292 fe621944 2020-11-10 stsp label2 ? label2 : idstr2,
293 fe621944 2020-11-10 stsp GOT_DIFF_OUTPUT_UNIDIFF, diff_context, outfile);
299 92a56907 2023-01-14 thomas free(modestr1);
300 92a56907 2023-01-14 thomas free(modestr2);
301 fe621944 2020-11-10 stsp if (resultp && err == NULL)
302 fe621944 2020-11-10 stsp *resultp = result;
303 a6d62598 2023-01-07 thomas else if (result) {
304 fe621944 2020-11-10 stsp free_err = got_diffreg_result_free(result);
305 fe621944 2020-11-10 stsp if (free_err && err == NULL)
306 fe621944 2020-11-10 stsp err = free_err;
309 7d283eee 2017-11-29 stsp return err;
312 aaa13589 2019-06-01 stsp const struct got_error *
313 aaa13589 2019-06-01 stsp got_diff_blob_output_unidiff(void *arg, struct got_blob_object *blob1,
314 a0f32f33 2022-06-13 thomas struct got_blob_object *blob2, FILE *f1, FILE *f2,
315 a0f32f33 2022-06-13 thomas struct got_object_id *id1, struct got_object_id *id2,
316 a0f32f33 2022-06-13 thomas const char *label1, const char *label2, mode_t mode1, mode_t mode2,
317 a0f32f33 2022-06-13 thomas struct got_repository *repo)
319 aaa13589 2019-06-01 stsp struct got_diff_blob_output_unidiff_arg *a = arg;
321 82c78e96 2022-08-06 thomas return diff_blobs(&a->lines, &a->nlines, NULL,
322 a0f32f33 2022-06-13 thomas blob1, blob2, f1, f2, label1, label2, mode1, mode2, a->diff_context,
323 be97ab03 2023-01-19 thomas a->ignore_whitespace, a->force_text_diff, a->diffstat, a->outfile,
324 be97ab03 2023-01-19 thomas a->diff_algo);
327 404c43c4 2018-06-21 stsp const struct got_error *
328 82c78e96 2022-08-06 thomas got_diff_blob(struct got_diff_line **lines, size_t*nlines,
329 fe621944 2020-11-10 stsp struct got_blob_object *blob1, struct got_blob_object *blob2,
330 a0f32f33 2022-06-13 thomas FILE *f1, FILE *f2, const char *label1, const char *label2,
331 25ec7006 2022-07-01 thomas enum got_diff_algorithm diff_algo, int diff_context,
332 be97ab03 2023-01-19 thomas int ignore_whitespace, int force_text_diff,
333 53d03f97 2023-01-10 thomas struct got_diffstat_cb_arg *ds, FILE *outfile)
335 82c78e96 2022-08-06 thomas return diff_blobs(lines, nlines, NULL, blob1, blob2, f1, f2,
336 64453f7e 2020-11-21 stsp label1, label2, 0, 0, diff_context, ignore_whitespace,
337 be97ab03 2023-01-19 thomas force_text_diff, ds, outfile, diff_algo);
340 7f1f93af 2019-08-06 stsp static const struct got_error *
341 fe621944 2020-11-10 stsp diff_blob_file(struct got_diffreg_result **resultp,
342 a0f32f33 2022-06-13 thomas struct got_blob_object *blob1, FILE *f1, off_t size1, const char *label1,
343 6d054bb9 2022-09-23 thomas FILE *f2, int f2_exists, struct stat *sb2, const char *label2,
344 25ec7006 2022-07-01 thomas enum got_diff_algorithm diff_algo, int diff_context, int ignore_whitespace,
345 be97ab03 2023-01-19 thomas int force_text_diff, struct got_diffstat_cb_arg *diffstat, FILE *outfile)
347 fe621944 2020-11-10 stsp const struct got_error *err = NULL, *free_err;
348 01986ce9 2023-02-07 thomas char hex1[GOT_OBJECT_ID_HEX_MAXLEN];
349 0c6f49ba 2022-07-01 thomas const char *idstr1 = NULL;
350 fe621944 2020-11-10 stsp struct got_diffreg_result *result = NULL;
352 fe621944 2020-11-10 stsp if (resultp)
353 fe621944 2020-11-10 stsp *resultp = NULL;
355 a0f32f33 2022-06-13 thomas if (blob1)
356 b72f483a 2019-02-05 stsp idstr1 = got_object_blob_id_str(blob1, hex1, sizeof(hex1));
358 b72f483a 2019-02-05 stsp idstr1 = "/dev/null";
360 7f1f93af 2019-08-06 stsp if (outfile) {
361 6d054bb9 2022-09-23 thomas char *mode = NULL;
363 6d054bb9 2022-09-23 thomas /* display file mode for new added files only */
364 6d054bb9 2022-09-23 thomas if (f2_exists && blob1 == NULL) {
365 6d054bb9 2022-09-23 thomas int mmask = (S_IRWXU | S_IRWXG | S_IRWXO);
367 6d054bb9 2022-09-23 thomas if (S_ISLNK(sb2->st_mode))
368 6d054bb9 2022-09-23 thomas mmask = S_IFLNK;
369 6d054bb9 2022-09-23 thomas if (asprintf(&mode, " (mode %o)",
370 6d054bb9 2022-09-23 thomas sb2->st_mode & mmask) == -1)
371 6d054bb9 2022-09-23 thomas return got_error_from_errno("asprintf");
373 4ce46740 2019-08-08 stsp fprintf(outfile, "blob - %s\n", label1 ? label1 : idstr1);
374 6d054bb9 2022-09-23 thomas fprintf(outfile, "file + %s%s\n",
375 6d054bb9 2022-09-23 thomas f2_exists ? label2 : "/dev/null", mode ? mode : "");
376 6d054bb9 2022-09-23 thomas free(mode);
379 25ec7006 2022-07-01 thomas err = got_diffreg(&result, f1, f2, diff_algo, ignore_whitespace,
380 25ec7006 2022-07-01 thomas force_text_diff);
384 fe621944 2020-11-10 stsp if (outfile) {
385 1cb46f00 2020-11-21 stsp err = got_diffreg_output(NULL, NULL, result,
386 dd2e2f52 2022-07-01 thomas blob1 != NULL, f2_exists,
387 1cb46f00 2020-11-21 stsp label2, /* show local file's path, not a blob ID */
388 1cb46f00 2020-11-21 stsp label2, GOT_DIFF_OUTPUT_UNIDIFF,
389 1cb46f00 2020-11-21 stsp diff_context, outfile);
391 53d03f97 2023-01-10 thomas goto done;
394 be97ab03 2023-01-19 thomas if (diffstat) {
395 53d03f97 2023-01-10 thomas char *path = NULL;
396 53d03f97 2023-01-10 thomas int status = GOT_STATUS_NO_CHANGE;
399 53d03f97 2023-01-10 thomas * Ignore 'm'ode status change: if there's no accompanying
400 53d03f97 2023-01-10 thomas * content change, there'll be no diffstat, and if there
401 53d03f97 2023-01-10 thomas * are actual changes, 'M'odified takes precedence.
403 53d03f97 2023-01-10 thomas if (blob1 == NULL)
404 53d03f97 2023-01-10 thomas status = GOT_STATUS_ADD;
405 53d03f97 2023-01-10 thomas else if (!f2_exists)
406 53d03f97 2023-01-10 thomas status = GOT_STATUS_DELETE;
408 53d03f97 2023-01-10 thomas status = GOT_STATUS_MODIFY;
410 e80ef83e 2023-01-10 thomas if (label2 != NULL &&
411 e80ef83e 2023-01-10 thomas (status != GOT_STATUS_DELETE || label1 == NULL))
412 e80ef83e 2023-01-10 thomas path = strdup(label2);
414 e80ef83e 2023-01-10 thomas path = strdup(label1);
415 e80ef83e 2023-01-10 thomas if (path == NULL) {
416 e80ef83e 2023-01-10 thomas err = got_error_from_errno("strdup");
417 e80ef83e 2023-01-10 thomas goto done;
420 be97ab03 2023-01-19 thomas err = get_diffstat(diffstat, path, result->result,
421 be97ab03 2023-01-19 thomas force_text_diff, status);
422 53d03f97 2023-01-10 thomas if (err) {
423 53d03f97 2023-01-10 thomas free(path);
429 fe621944 2020-11-10 stsp if (resultp && err == NULL)
430 fe621944 2020-11-10 stsp *resultp = result;
431 fe621944 2020-11-10 stsp else if (result) {
432 fe621944 2020-11-10 stsp free_err = got_diffreg_result_free(result);
433 fe621944 2020-11-10 stsp if (free_err && err == NULL)
434 fe621944 2020-11-10 stsp err = free_err;
436 b72f483a 2019-02-05 stsp return err;
439 7f1f93af 2019-08-06 stsp const struct got_error *
440 a0f32f33 2022-06-13 thomas got_diff_blob_file(struct got_blob_object *blob1, FILE *f1, off_t size1,
441 6d054bb9 2022-09-23 thomas const char *label1, FILE *f2, int f2_exists, struct stat *sb2,
442 25ec7006 2022-07-01 thomas const char *label2, enum got_diff_algorithm diff_algo, int diff_context,
443 be97ab03 2023-01-19 thomas int ignore_whitespace, int force_text_diff,
444 53d03f97 2023-01-10 thomas struct got_diffstat_cb_arg *ds, FILE *outfile)
446 dd2e2f52 2022-07-01 thomas return diff_blob_file(NULL, blob1, f1, size1, label1, f2, f2_exists,
447 6d054bb9 2022-09-23 thomas sb2, label2, diff_algo, diff_context, ignore_whitespace,
448 be97ab03 2023-01-19 thomas force_text_diff, ds, outfile);
451 474b4f94 2017-11-30 stsp static const struct got_error *
452 dd2e2f52 2022-07-01 thomas diff_added_blob(struct got_object_id *id, FILE *f1, FILE *f2, int fd2,
453 19a6a6b5 2022-07-01 thomas const char *label, mode_t mode, struct got_repository *repo,
454 a0f32f33 2022-06-13 thomas got_diff_blob_cb cb, void *cb_arg)
456 4e22badc 2017-11-30 stsp const struct got_error *err;
457 2acfca77 2018-04-01 stsp struct got_blob_object *blob = NULL;
458 2acfca77 2018-04-01 stsp struct got_object *obj = NULL;
460 4e22badc 2017-11-30 stsp err = got_object_open(&obj, repo, id);
462 4e22badc 2017-11-30 stsp return err;
464 dd2e2f52 2022-07-01 thomas err = got_object_blob_open(&blob, repo, obj, 8192, fd2);
467 dd2e2f52 2022-07-01 thomas err = cb(cb_arg, NULL, blob, f1, f2, NULL, id,
468 a0f32f33 2022-06-13 thomas NULL, label, 0, mode, repo);
470 2acfca77 2018-04-01 stsp got_object_close(obj);
472 2acfca77 2018-04-01 stsp got_object_blob_close(blob);
473 2acfca77 2018-04-01 stsp return err;
476 474b4f94 2017-11-30 stsp static const struct got_error *
477 6a213ccb 2017-11-30 stsp diff_modified_blob(struct got_object_id *id1, struct got_object_id *id2,
478 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
479 19a6a6b5 2022-07-01 thomas const char *label1, const char *label2,
480 a0f32f33 2022-06-13 thomas mode_t mode1, mode_t mode2, struct got_repository *repo,
481 a0f32f33 2022-06-13 thomas got_diff_blob_cb cb, void *cb_arg)
483 6a213ccb 2017-11-30 stsp const struct got_error *err;
484 6a213ccb 2017-11-30 stsp struct got_object *obj1 = NULL;
485 6a213ccb 2017-11-30 stsp struct got_object *obj2 = NULL;
486 6a213ccb 2017-11-30 stsp struct got_blob_object *blob1 = NULL;
487 6a213ccb 2017-11-30 stsp struct got_blob_object *blob2 = NULL;
489 6a213ccb 2017-11-30 stsp err = got_object_open(&obj1, repo, id1);
491 730a8aa0 2018-04-24 stsp return err;
493 15a94983 2018-12-23 stsp if (obj1->type != GOT_OBJ_TYPE_BLOB) {
494 6a213ccb 2017-11-30 stsp err = got_error(GOT_ERR_OBJ_TYPE);
498 6a213ccb 2017-11-30 stsp err = got_object_open(&obj2, repo, id2);
501 15a94983 2018-12-23 stsp if (obj2->type != GOT_OBJ_TYPE_BLOB) {
502 6a213ccb 2017-11-30 stsp err = got_error(GOT_ERR_BAD_OBJ_DATA);
506 f4ae6ddb 2022-07-01 thomas err = got_object_blob_open(&blob1, repo, obj1, 8192, fd1);
510 f4ae6ddb 2022-07-01 thomas err = got_object_blob_open(&blob2, repo, obj2, 8192, fd2);
514 a0f32f33 2022-06-13 thomas err = cb(cb_arg, blob1, blob2, f1, f2, id1, id2, label1, label2,
515 a0f32f33 2022-06-13 thomas mode1, mode2, repo);
518 a3e2cbea 2017-12-01 stsp got_object_close(obj1);
520 a3e2cbea 2017-12-01 stsp got_object_close(obj2);
522 a3e2cbea 2017-12-01 stsp got_object_blob_close(blob1);
524 a3e2cbea 2017-12-01 stsp got_object_blob_close(blob2);
525 6a213ccb 2017-11-30 stsp return err;
528 474b4f94 2017-11-30 stsp static const struct got_error *
529 dd2e2f52 2022-07-01 thomas diff_deleted_blob(struct got_object_id *id, FILE *f1, int fd1,
530 dd2e2f52 2022-07-01 thomas FILE *f2, const char *label, mode_t mode, struct got_repository *repo,
531 19a6a6b5 2022-07-01 thomas got_diff_blob_cb cb, void *cb_arg)
533 365fb436 2017-11-30 stsp const struct got_error *err;
534 2acfca77 2018-04-01 stsp struct got_blob_object *blob = NULL;
535 2acfca77 2018-04-01 stsp struct got_object *obj = NULL;
537 365fb436 2017-11-30 stsp err = got_object_open(&obj, repo, id);
539 365fb436 2017-11-30 stsp return err;
541 dd2e2f52 2022-07-01 thomas err = got_object_blob_open(&blob, repo, obj, 8192, fd1);
544 dd2e2f52 2022-07-01 thomas err = cb(cb_arg, blob, NULL, f1, f2, id, NULL, label, NULL,
545 a0f32f33 2022-06-13 thomas mode, 0, repo);
547 2acfca77 2018-04-01 stsp got_object_close(obj);
549 2acfca77 2018-04-01 stsp got_object_blob_close(blob);
550 2acfca77 2018-04-01 stsp return err;
553 474b4f94 2017-11-30 stsp static const struct got_error *
554 dd2e2f52 2022-07-01 thomas diff_added_tree(struct got_object_id *id, FILE *f1, FILE *f2, int fd2,
555 dd2e2f52 2022-07-01 thomas const char *label, struct got_repository *repo, got_diff_blob_cb cb,
556 dd2e2f52 2022-07-01 thomas void *cb_arg, int diff_content)
558 9c70d4c3 2017-11-30 stsp const struct got_error *err = NULL;
559 9c70d4c3 2017-11-30 stsp struct got_object *treeobj = NULL;
560 9c70d4c3 2017-11-30 stsp struct got_tree_object *tree = NULL;
562 9c70d4c3 2017-11-30 stsp err = got_object_open(&treeobj, repo, id);
566 15a94983 2018-12-23 stsp if (treeobj->type != GOT_OBJ_TYPE_TREE) {
567 9c70d4c3 2017-11-30 stsp err = got_error(GOT_ERR_OBJ_TYPE);
571 9c70d4c3 2017-11-30 stsp err = got_object_tree_open(&tree, repo, treeobj);
575 dd2e2f52 2022-07-01 thomas err = got_diff_tree(NULL, tree, f1, f2, -1, fd2, NULL, label,
576 a0f32f33 2022-06-13 thomas repo, cb, cb_arg, diff_content);
579 9c70d4c3 2017-11-30 stsp got_object_tree_close(tree);
580 9c70d4c3 2017-11-30 stsp if (treeobj)
581 9c70d4c3 2017-11-30 stsp got_object_close(treeobj);
582 9c70d4c3 2017-11-30 stsp return err;
585 474b4f94 2017-11-30 stsp static const struct got_error *
586 789689b5 2017-11-30 stsp diff_modified_tree(struct got_object_id *id1, struct got_object_id *id2,
587 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
588 19a6a6b5 2022-07-01 thomas const char *label1, const char *label2,
589 a0f32f33 2022-06-13 thomas struct got_repository *repo, got_diff_blob_cb cb, void *cb_arg,
590 a0f32f33 2022-06-13 thomas int diff_content)
592 f6861a81 2018-09-13 stsp const struct got_error *err;
593 789689b5 2017-11-30 stsp struct got_object *treeobj1 = NULL;
594 789689b5 2017-11-30 stsp struct got_object *treeobj2 = NULL;
595 789689b5 2017-11-30 stsp struct got_tree_object *tree1 = NULL;
596 789689b5 2017-11-30 stsp struct got_tree_object *tree2 = NULL;
598 789689b5 2017-11-30 stsp err = got_object_open(&treeobj1, repo, id1);
602 15a94983 2018-12-23 stsp if (treeobj1->type != GOT_OBJ_TYPE_TREE) {
603 789689b5 2017-11-30 stsp err = got_error(GOT_ERR_OBJ_TYPE);
607 789689b5 2017-11-30 stsp err = got_object_open(&treeobj2, repo, id2);
611 15a94983 2018-12-23 stsp if (treeobj2->type != GOT_OBJ_TYPE_TREE) {
612 789689b5 2017-11-30 stsp err = got_error(GOT_ERR_OBJ_TYPE);
616 789689b5 2017-11-30 stsp err = got_object_tree_open(&tree1, repo, treeobj1);
620 789689b5 2017-11-30 stsp err = got_object_tree_open(&tree2, repo, treeobj2);
624 19a6a6b5 2022-07-01 thomas err = got_diff_tree(tree1, tree2, f1, f2, fd1, fd2,
625 19a6a6b5 2022-07-01 thomas label1, label2, repo, cb, cb_arg, diff_content);
629 789689b5 2017-11-30 stsp got_object_tree_close(tree1);
631 789689b5 2017-11-30 stsp got_object_tree_close(tree2);
632 789689b5 2017-11-30 stsp if (treeobj1)
633 789689b5 2017-11-30 stsp got_object_close(treeobj1);
634 789689b5 2017-11-30 stsp if (treeobj2)
635 789689b5 2017-11-30 stsp got_object_close(treeobj2);
636 789689b5 2017-11-30 stsp return err;
639 474b4f94 2017-11-30 stsp static const struct got_error *
640 dd2e2f52 2022-07-01 thomas diff_deleted_tree(struct got_object_id *id, FILE *f1, int fd1,
641 dd2e2f52 2022-07-01 thomas FILE *f2, const char *label, struct got_repository *repo,
642 19a6a6b5 2022-07-01 thomas got_diff_blob_cb cb, void *cb_arg, int diff_content)
644 f6861a81 2018-09-13 stsp const struct got_error *err;
645 2c56f2ce 2017-11-30 stsp struct got_object *treeobj = NULL;
646 2c56f2ce 2017-11-30 stsp struct got_tree_object *tree = NULL;
648 2c56f2ce 2017-11-30 stsp err = got_object_open(&treeobj, repo, id);
652 15a94983 2018-12-23 stsp if (treeobj->type != GOT_OBJ_TYPE_TREE) {
653 2c56f2ce 2017-11-30 stsp err = got_error(GOT_ERR_OBJ_TYPE);
657 2c56f2ce 2017-11-30 stsp err = got_object_tree_open(&tree, repo, treeobj);
661 dd2e2f52 2022-07-01 thomas err = got_diff_tree(tree, NULL, f1, f2, fd1, -1, label, NULL,
662 a0f32f33 2022-06-13 thomas repo, cb, cb_arg, diff_content);
665 2c56f2ce 2017-11-30 stsp got_object_tree_close(tree);
666 2c56f2ce 2017-11-30 stsp if (treeobj)
667 2c56f2ce 2017-11-30 stsp got_object_close(treeobj);
668 2c56f2ce 2017-11-30 stsp return err;
671 474b4f94 2017-11-30 stsp static const struct got_error *
672 870ddae5 2023-03-10 thomas diff_kind_mismatch(struct got_tree_entry *te1, struct got_tree_entry *te2,
673 870ddae5 2023-03-10 thomas FILE *f1, FILE *f2, int fd1, int fd2,
674 aaa13589 2019-06-01 stsp const char *label1, const char *label2, struct got_repository *repo,
675 870ddae5 2023-03-10 thomas got_diff_blob_cb cb, void *cb_arg, int diff_content)
677 870ddae5 2023-03-10 thomas const struct got_error *err = NULL;
680 870ddae5 2023-03-10 thomas * Handle files changing into directories and vice-versa.
681 870ddae5 2023-03-10 thomas * Disregard edge cases with FIFOs, device nodes, etc for now.
683 870ddae5 2023-03-10 thomas if (!S_ISDIR(te1->mode) && S_ISDIR(te2->mode)) {
684 870ddae5 2023-03-10 thomas if (S_ISREG(te1->mode)) {
685 870ddae5 2023-03-10 thomas if (diff_content) {
686 870ddae5 2023-03-10 thomas err = diff_deleted_blob(&te1->id, f1, fd1,
687 870ddae5 2023-03-10 thomas f2, label1, te1->mode, repo, cb, cb_arg);
689 870ddae5 2023-03-10 thomas err = cb(cb_arg, NULL, NULL, NULL, NULL,
690 870ddae5 2023-03-10 thomas &te1->id, NULL, label1, NULL,
691 870ddae5 2023-03-10 thomas te1->mode, 0, repo);
694 870ddae5 2023-03-10 thomas return err;
696 870ddae5 2023-03-10 thomas return diff_added_tree(&te2->id, f1, f2, fd2, label2,
697 870ddae5 2023-03-10 thomas repo, cb, cb_arg, diff_content);
698 870ddae5 2023-03-10 thomas } else if (S_ISDIR(te1->mode) && !S_ISDIR(te2->mode)) {
699 870ddae5 2023-03-10 thomas err = diff_deleted_tree(&te1->id, f1, fd1, f2,
700 870ddae5 2023-03-10 thomas label1, repo, cb, cb_arg, diff_content);
702 870ddae5 2023-03-10 thomas return err;
703 870ddae5 2023-03-10 thomas if (S_ISREG(te2->mode)) {
704 870ddae5 2023-03-10 thomas if (diff_content) {
705 870ddae5 2023-03-10 thomas err = diff_added_blob(&te2->id, f1, f2, fd2,
706 870ddae5 2023-03-10 thomas label2, te2->mode, repo, cb, cb_arg);
708 870ddae5 2023-03-10 thomas err = cb(cb_arg, NULL, NULL, NULL, NULL, NULL,
709 870ddae5 2023-03-10 thomas &te2->id, NULL, label2, 0, te2->mode, repo);
712 870ddae5 2023-03-10 thomas return err;
716 474b4f94 2017-11-30 stsp return NULL;
719 474b4f94 2017-11-30 stsp static const struct got_error *
720 a0f32f33 2022-06-13 thomas diff_entry_old_new(struct got_tree_entry *te1, struct got_tree_entry *te2,
721 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
722 19a6a6b5 2022-07-01 thomas const char *label1, const char *label2,
723 31b4484f 2019-07-27 stsp struct got_repository *repo, got_diff_blob_cb cb, void *cb_arg,
724 31b4484f 2019-07-27 stsp int diff_content)
726 f6861a81 2018-09-13 stsp const struct got_error *err = NULL;
727 19ae6da1 2018-11-05 stsp int id_match;
729 63c5ca5d 2019-08-24 stsp if (got_object_tree_entry_is_submodule(te1))
730 63c5ca5d 2019-08-24 stsp return NULL;
732 474b4f94 2017-11-30 stsp if (te2 == NULL) {
733 474b4f94 2017-11-30 stsp if (S_ISDIR(te1->mode))
734 dd2e2f52 2022-07-01 thomas err = diff_deleted_tree(&te1->id, f1, fd1, f2,
735 dd2e2f52 2022-07-01 thomas label1, repo, cb, cb_arg, diff_content);
737 31b4484f 2019-07-27 stsp if (diff_content)
738 19a6a6b5 2022-07-01 thomas err = diff_deleted_blob(&te1->id, f1, fd1,
739 dd2e2f52 2022-07-01 thomas f2, label1, te1->mode, repo, cb, cb_arg);
741 a0f32f33 2022-06-13 thomas err = cb(cb_arg, NULL, NULL, NULL, NULL,
742 a0f32f33 2022-06-13 thomas &te1->id, NULL, label1, NULL,
743 a0f32f33 2022-06-13 thomas te1->mode, 0, repo);
745 f6861a81 2018-09-13 stsp return err;
746 63c5ca5d 2019-08-24 stsp } else if (got_object_tree_entry_is_submodule(te2))
747 63c5ca5d 2019-08-24 stsp return NULL;
749 56e0773d 2019-11-28 stsp id_match = (got_object_id_cmp(&te1->id, &te2->id) == 0);
750 4209f790 2017-11-30 stsp if (S_ISDIR(te1->mode) && S_ISDIR(te2->mode)) {
751 19ae6da1 2018-11-05 stsp if (!id_match)
752 a0f32f33 2022-06-13 thomas return diff_modified_tree(&te1->id, &te2->id, f1, f2,
753 19a6a6b5 2022-07-01 thomas fd1, fd2, label1, label2, repo, cb, cb_arg,
754 19a6a6b5 2022-07-01 thomas diff_content);
755 40dde666 2020-07-23 stsp } else if ((S_ISREG(te1->mode) || S_ISLNK(te1->mode)) &&
756 40dde666 2020-07-23 stsp (S_ISREG(te2->mode) || S_ISLNK(te2->mode))) {
757 46f68b20 2019-10-19 stsp if (!id_match ||
758 40dde666 2020-07-23 stsp ((te1->mode & (S_IFLNK | S_IXUSR))) !=
759 40dde666 2020-07-23 stsp (te2->mode & (S_IFLNK | S_IXUSR))) {
760 31b4484f 2019-07-27 stsp if (diff_content)
761 56e0773d 2019-11-28 stsp return diff_modified_blob(&te1->id, &te2->id,
762 19a6a6b5 2022-07-01 thomas f1, f2, fd1, fd2, label1, label2,
763 19a6a6b5 2022-07-01 thomas te1->mode, te2->mode, repo, cb, cb_arg);
765 a0f32f33 2022-06-13 thomas return cb(cb_arg, NULL, NULL, NULL, NULL,
766 a0f32f33 2022-06-13 thomas &te1->id, &te2->id, label1, label2,
767 a0f32f33 2022-06-13 thomas te1->mode, te2->mode, repo);
771 19ae6da1 2018-11-05 stsp if (id_match)
772 f6861a81 2018-09-13 stsp return NULL;
774 870ddae5 2023-03-10 thomas return diff_kind_mismatch(te1, te2, f1, f2, fd1, fd2,
775 870ddae5 2023-03-10 thomas label1, label2, repo, cb, cb_arg, diff_content);
778 474b4f94 2017-11-30 stsp static const struct got_error *
779 56e0773d 2019-11-28 stsp diff_entry_new_old(struct got_tree_entry *te2,
780 dd2e2f52 2022-07-01 thomas struct got_tree_entry *te1, FILE *f1, FILE *f2, int fd2, const char *label2,
781 31b4484f 2019-07-27 stsp struct got_repository *repo, got_diff_blob_cb cb, void *cb_arg,
782 31b4484f 2019-07-27 stsp int diff_content)
784 f6861a81 2018-09-13 stsp if (te1 != NULL) /* handled by diff_entry_old_new() */
785 63c5ca5d 2019-08-24 stsp return NULL;
787 63c5ca5d 2019-08-24 stsp if (got_object_tree_entry_is_submodule(te2))
788 f6861a81 2018-09-13 stsp return NULL;
790 474b4f94 2017-11-30 stsp if (S_ISDIR(te2->mode))
791 dd2e2f52 2022-07-01 thomas return diff_added_tree(&te2->id, f1, f2, fd2, label2,
792 a0f32f33 2022-06-13 thomas repo, cb, cb_arg, diff_content);
794 31b4484f 2019-07-27 stsp if (diff_content)
795 dd2e2f52 2022-07-01 thomas return diff_added_blob(&te2->id, f1, f2, fd2,
796 19a6a6b5 2022-07-01 thomas label2, te2->mode, repo, cb, cb_arg);
798 a0f32f33 2022-06-13 thomas return cb(cb_arg, NULL, NULL, NULL, NULL, NULL, &te2->id,
799 a0f32f33 2022-06-13 thomas NULL, label2, 0, te2->mode, repo);
802 0208f208 2020-05-05 stsp const struct got_error *
803 772fcad5 2023-01-07 thomas got_diff_tree_compute_diffstat(void *arg, struct got_blob_object *blob1,
804 772fcad5 2023-01-07 thomas struct got_blob_object *blob2, FILE *f1, FILE *f2,
805 772fcad5 2023-01-07 thomas struct got_object_id *id1, struct got_object_id *id2,
806 772fcad5 2023-01-07 thomas const char *label1, const char *label2,
807 772fcad5 2023-01-07 thomas mode_t mode1, mode_t mode2, struct got_repository *repo)
809 772fcad5 2023-01-07 thomas const struct got_error *err = NULL;
810 772fcad5 2023-01-07 thomas struct got_diffreg_result *result = NULL;
811 772fcad5 2023-01-07 thomas struct got_diffstat_cb_arg *a = arg;
812 772fcad5 2023-01-07 thomas char *path = NULL;
813 53d03f97 2023-01-10 thomas int status = GOT_STATUS_NO_CHANGE;
815 772fcad5 2023-01-07 thomas path = strdup(label2 ? label2 : label1);
816 772fcad5 2023-01-07 thomas if (path == NULL)
817 e80ef83e 2023-01-10 thomas return got_error_from_errno("strdup");
819 772fcad5 2023-01-07 thomas if (id1 == NULL)
820 53d03f97 2023-01-10 thomas status = GOT_STATUS_ADD;
821 772fcad5 2023-01-07 thomas else if (id2 == NULL)
822 53d03f97 2023-01-10 thomas status = GOT_STATUS_DELETE;
824 772fcad5 2023-01-07 thomas if (got_object_id_cmp(id1, id2) != 0)
825 53d03f97 2023-01-10 thomas status = GOT_STATUS_MODIFY;
826 772fcad5 2023-01-07 thomas else if (mode1 != mode2)
827 53d03f97 2023-01-10 thomas status = GOT_STATUS_MODE_CHANGE;
830 772fcad5 2023-01-07 thomas if (f1) {
831 772fcad5 2023-01-07 thomas err = got_opentemp_truncate(f1);
833 772fcad5 2023-01-07 thomas goto done;
835 772fcad5 2023-01-07 thomas if (f2) {
836 772fcad5 2023-01-07 thomas err = got_opentemp_truncate(f2);
838 772fcad5 2023-01-07 thomas goto done;
841 772fcad5 2023-01-07 thomas if (blob1) {
842 772fcad5 2023-01-07 thomas err = got_object_blob_dump_to_file(NULL, NULL, NULL, f1,
845 772fcad5 2023-01-07 thomas goto done;
847 772fcad5 2023-01-07 thomas if (blob2) {
848 772fcad5 2023-01-07 thomas err = got_object_blob_dump_to_file(NULL, NULL, NULL, f2,
851 772fcad5 2023-01-07 thomas goto done;
854 772fcad5 2023-01-07 thomas err = got_diffreg(&result, f1, f2, a->diff_algo, a->ignore_ws,
855 772fcad5 2023-01-07 thomas a->force_text);
857 772fcad5 2023-01-07 thomas goto done;
859 53d03f97 2023-01-10 thomas err = get_diffstat(a, path, result->result, a->force_text, status);
862 772fcad5 2023-01-07 thomas if (result) {
863 772fcad5 2023-01-07 thomas const struct got_error *free_err;
865 772fcad5 2023-01-07 thomas free_err = got_diffreg_result_free(result);
866 772fcad5 2023-01-07 thomas if (free_err && err == NULL)
867 772fcad5 2023-01-07 thomas err = free_err;
870 772fcad5 2023-01-07 thomas free(path);
871 772fcad5 2023-01-07 thomas return err;
874 772fcad5 2023-01-07 thomas const struct got_error *
875 0208f208 2020-05-05 stsp got_diff_tree_collect_changed_paths(void *arg, struct got_blob_object *blob1,
876 a0f32f33 2022-06-13 thomas struct got_blob_object *blob2, FILE *f1, FILE *f2,
877 a0f32f33 2022-06-13 thomas struct got_object_id *id1, struct got_object_id *id2,
878 a0f32f33 2022-06-13 thomas const char *label1, const char *label2,
879 0208f208 2020-05-05 stsp mode_t mode1, mode_t mode2, struct got_repository *repo)
881 0208f208 2020-05-05 stsp const struct got_error *err = NULL;
882 0208f208 2020-05-05 stsp struct got_pathlist_head *paths = arg;
883 0208f208 2020-05-05 stsp struct got_diff_changed_path *change = NULL;
884 0208f208 2020-05-05 stsp char *path = NULL;
886 0208f208 2020-05-05 stsp path = strdup(label2 ? label2 : label1);
887 0208f208 2020-05-05 stsp if (path == NULL)
888 e80ef83e 2023-01-10 thomas return got_error_from_errno("strdup");
890 0208f208 2020-05-05 stsp change = malloc(sizeof(*change));
891 0208f208 2020-05-05 stsp if (change == NULL) {
892 0208f208 2020-05-05 stsp err = got_error_from_errno("malloc");
896 0208f208 2020-05-05 stsp change->status = GOT_STATUS_NO_CHANGE;
897 0208f208 2020-05-05 stsp if (id1 == NULL)
898 0208f208 2020-05-05 stsp change->status = GOT_STATUS_ADD;
899 0208f208 2020-05-05 stsp else if (id2 == NULL)
900 0208f208 2020-05-05 stsp change->status = GOT_STATUS_DELETE;
902 0208f208 2020-05-05 stsp if (got_object_id_cmp(id1, id2) != 0)
903 0208f208 2020-05-05 stsp change->status = GOT_STATUS_MODIFY;
904 0208f208 2020-05-05 stsp else if (mode1 != mode2)
905 0208f208 2020-05-05 stsp change->status = GOT_STATUS_MODE_CHANGE;
908 4c71f93b 2021-12-31 thomas err = got_pathlist_append(paths, path, change);
911 0208f208 2020-05-05 stsp free(path);
912 0208f208 2020-05-05 stsp free(change);
914 0208f208 2020-05-05 stsp return err;
917 474b4f94 2017-11-30 stsp const struct got_error *
918 474b4f94 2017-11-30 stsp got_diff_tree(struct got_tree_object *tree1, struct got_tree_object *tree2,
919 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
920 19a6a6b5 2022-07-01 thomas const char *label1, const char *label2,
921 a0f32f33 2022-06-13 thomas struct got_repository *repo, got_diff_blob_cb cb, void *cb_arg,
922 a0f32f33 2022-06-13 thomas int diff_content)
924 474b4f94 2017-11-30 stsp const struct got_error *err = NULL;
925 789689b5 2017-11-30 stsp struct got_tree_entry *te1 = NULL;
926 789689b5 2017-11-30 stsp struct got_tree_entry *te2 = NULL;
927 f6861a81 2018-09-13 stsp char *l1 = NULL, *l2 = NULL;
928 56e0773d 2019-11-28 stsp int tidx1 = 0, tidx2 = 0;
930 883f0469 2018-06-23 stsp if (tree1) {
931 56e0773d 2019-11-28 stsp te1 = got_object_tree_get_entry(tree1, 0);
932 60f50a58 2018-09-15 stsp if (te1 && asprintf(&l1, "%s%s%s", label1, label1[0] ? "/" : "",
933 f6861a81 2018-09-13 stsp te1->name) == -1)
934 638f9024 2019-05-13 stsp return got_error_from_errno("asprintf");
936 883f0469 2018-06-23 stsp if (tree2) {
937 56e0773d 2019-11-28 stsp te2 = got_object_tree_get_entry(tree2, 0);
938 60f50a58 2018-09-15 stsp if (te2 && asprintf(&l2, "%s%s%s", label2, label2[0] ? "/" : "",
939 92a56907 2023-01-14 thomas te2->name) == -1) {
940 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
941 92a56907 2023-01-14 thomas goto done;
947 56e0773d 2019-11-28 stsp struct got_tree_entry *te = NULL;
950 1de5e065 2019-06-01 stsp te = got_object_tree_find_entry(tree2,
951 1de5e065 2019-06-01 stsp te1->name);
955 f6861a81 2018-09-13 stsp if (te && asprintf(&l2, "%s%s%s", label2,
956 92a56907 2023-01-14 thomas label2[0] ? "/" : "", te->name) == -1) {
957 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
958 92a56907 2023-01-14 thomas goto done;
962 19a6a6b5 2022-07-01 thomas err = diff_entry_old_new(te1, te, f1, f2, fd1, fd2,
963 19a6a6b5 2022-07-01 thomas l1, l2, repo, cb, cb_arg, diff_content);
969 56e0773d 2019-11-28 stsp struct got_tree_entry *te = NULL;
972 1de5e065 2019-06-01 stsp te = got_object_tree_find_entry(tree1,
973 1de5e065 2019-06-01 stsp te2->name);
976 92a56907 2023-01-14 thomas l2 = NULL;
978 d6ce02f1 2018-11-17 stsp if (asprintf(&l2, "%s%s%s", label2,
979 92a56907 2023-01-14 thomas label2[0] ? "/" : "", te->name) == -1) {
980 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
981 92a56907 2023-01-14 thomas goto done;
984 d6ce02f1 2018-11-17 stsp if (asprintf(&l2, "%s%s%s", label2,
985 92a56907 2023-01-14 thomas label2[0] ? "/" : "", te2->name) == -1) {
986 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
987 92a56907 2023-01-14 thomas goto done;
991 dd2e2f52 2022-07-01 thomas err = diff_entry_new_old(te2, te, f1, f2, fd2, l2,
992 dd2e2f52 2022-07-01 thomas repo, cb, cb_arg, diff_content);
1001 56e0773d 2019-11-28 stsp te1 = got_object_tree_get_entry(tree1, tidx1);
1002 f6861a81 2018-09-13 stsp if (te1 &&
1003 f6861a81 2018-09-13 stsp asprintf(&l1, "%s%s%s", label1,
1004 92a56907 2023-01-14 thomas label1[0] ? "/" : "", te1->name) == -1) {
1005 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
1006 92a56907 2023-01-14 thomas goto done;
1011 f6861a81 2018-09-13 stsp l2 = NULL;
1012 f6861a81 2018-09-13 stsp if (te2) {
1014 56e0773d 2019-11-28 stsp te2 = got_object_tree_get_entry(tree2, tidx2);
1015 f6861a81 2018-09-13 stsp if (te2 &&
1016 f6861a81 2018-09-13 stsp asprintf(&l2, "%s%s%s", label2,
1017 92a56907 2023-01-14 thomas label2[0] ? "/" : "", te2->name) == -1) {
1018 92a56907 2023-01-14 thomas err = got_error_from_errno("asprintf");
1019 92a56907 2023-01-14 thomas goto done;
1022 474b4f94 2017-11-30 stsp } while (te1 || te2);
1025 92a56907 2023-01-14 thomas free(l1);
1026 92a56907 2023-01-14 thomas free(l2);
1027 11528a82 2018-05-19 stsp return err;
1030 11528a82 2018-05-19 stsp const struct got_error *
1031 82c78e96 2022-08-06 thomas got_diff_objects_as_blobs(struct got_diff_line **lines, size_t *nlines,
1032 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
1033 19a6a6b5 2022-07-01 thomas struct got_object_id *id1, struct got_object_id *id2,
1034 25ec7006 2022-07-01 thomas const char *label1, const char *label2,
1035 25ec7006 2022-07-01 thomas enum got_diff_algorithm diff_algo, int diff_context,
1036 be97ab03 2023-01-19 thomas int ignore_whitespace, int force_text_diff, struct got_diffstat_cb_arg *ds,
1037 be97ab03 2023-01-19 thomas struct got_repository *repo, FILE *outfile)
1039 11528a82 2018-05-19 stsp const struct got_error *err;
1040 11528a82 2018-05-19 stsp struct got_blob_object *blob1 = NULL, *blob2 = NULL;
1042 15a94983 2018-12-23 stsp if (id1 == NULL && id2 == NULL)
1043 b74c7625 2018-05-20 stsp return got_error(GOT_ERR_NO_OBJ);
1045 15a94983 2018-12-23 stsp if (id1) {
1046 f4ae6ddb 2022-07-01 thomas err = got_object_open_as_blob(&blob1, repo, id1, 8192, fd1);
1048 cd0acaa7 2018-05-20 stsp goto done;
1050 15a94983 2018-12-23 stsp if (id2) {
1051 f4ae6ddb 2022-07-01 thomas err = got_object_open_as_blob(&blob2, repo, id2, 8192, fd2);
1053 cd0acaa7 2018-05-20 stsp goto done;
1055 82c78e96 2022-08-06 thomas err = got_diff_blob(lines, nlines, blob1, blob2, f1, f2, label1, label2,
1056 82c78e96 2022-08-06 thomas diff_algo, diff_context, ignore_whitespace, force_text_diff,
1057 be97ab03 2023-01-19 thomas ds, outfile);
1059 cc8021af 2021-10-12 thomas if (blob1)
1060 cc8021af 2021-10-12 thomas got_object_blob_close(blob1);
1061 cc8021af 2021-10-12 thomas if (blob2)
1062 cc8021af 2021-10-12 thomas got_object_blob_close(blob2);
1063 cc8021af 2021-10-12 thomas return err;
1066 cc8021af 2021-10-12 thomas static const struct got_error *
1067 cc8021af 2021-10-12 thomas diff_paths(struct got_tree_object *tree1, struct got_tree_object *tree2,
1068 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2, struct got_pathlist_head *paths,
1069 a0f32f33 2022-06-13 thomas struct got_repository *repo, got_diff_blob_cb cb, void *cb_arg)
1071 cc8021af 2021-10-12 thomas const struct got_error *err = NULL;
1072 cc8021af 2021-10-12 thomas struct got_pathlist_entry *pe;
1073 cc8021af 2021-10-12 thomas struct got_object_id *id1 = NULL, *id2 = NULL;
1074 cc8021af 2021-10-12 thomas struct got_tree_object *subtree1 = NULL, *subtree2 = NULL;
1075 cc8021af 2021-10-12 thomas struct got_blob_object *blob1 = NULL, *blob2 = NULL;
1077 cc8021af 2021-10-12 thomas TAILQ_FOREACH(pe, paths, entry) {
1078 cc8021af 2021-10-12 thomas int type1 = GOT_OBJ_TYPE_ANY, type2 = GOT_OBJ_TYPE_ANY;
1079 cc8021af 2021-10-12 thomas mode_t mode1 = 0, mode2 = 0;
1081 cc8021af 2021-10-12 thomas free(id1);
1082 cc8021af 2021-10-12 thomas id1 = NULL;
1083 cc8021af 2021-10-12 thomas free(id2);
1084 cc8021af 2021-10-12 thomas id2 = NULL;
1085 cc8021af 2021-10-12 thomas if (subtree1) {
1086 cc8021af 2021-10-12 thomas got_object_tree_close(subtree1);
1087 cc8021af 2021-10-12 thomas subtree1 = NULL;
1089 cc8021af 2021-10-12 thomas if (subtree2) {
1090 cc8021af 2021-10-12 thomas got_object_tree_close(subtree2);
1091 cc8021af 2021-10-12 thomas subtree2 = NULL;
1093 cc8021af 2021-10-12 thomas if (blob1) {
1094 cc8021af 2021-10-12 thomas got_object_blob_close(blob1);
1095 cc8021af 2021-10-12 thomas blob1 = NULL;
1097 cc8021af 2021-10-12 thomas if (blob2) {
1098 cc8021af 2021-10-12 thomas got_object_blob_close(blob2);
1099 cc8021af 2021-10-12 thomas blob2 = NULL;
1102 cc8021af 2021-10-12 thomas err = got_object_tree_find_path(&id1, &mode1, repo, tree1,
1103 cc8021af 2021-10-12 thomas pe->path);
1104 cc8021af 2021-10-12 thomas if (err && err->code != GOT_ERR_NO_TREE_ENTRY)
1105 cc8021af 2021-10-12 thomas goto done;
1106 cc8021af 2021-10-12 thomas err = got_object_tree_find_path(&id2, &mode2, repo, tree2,
1107 cc8021af 2021-10-12 thomas pe->path);
1108 cc8021af 2021-10-12 thomas if (err && err->code != GOT_ERR_NO_TREE_ENTRY)
1109 cc8021af 2021-10-12 thomas goto done;
1110 cc8021af 2021-10-12 thomas if (id1 == NULL && id2 == NULL) {
1111 cc8021af 2021-10-12 thomas err = got_error_path(pe->path, GOT_ERR_NO_TREE_ENTRY);
1112 cc8021af 2021-10-12 thomas goto done;
1114 cc8021af 2021-10-12 thomas if (id1) {
1115 cc8021af 2021-10-12 thomas err = got_object_get_type(&type1, repo, id1);
1116 cc8021af 2021-10-12 thomas if (err)
1117 cc8021af 2021-10-12 thomas goto done;
1119 cc8021af 2021-10-12 thomas if (id2) {
1120 cc8021af 2021-10-12 thomas err = got_object_get_type(&type2, repo, id2);
1121 cc8021af 2021-10-12 thomas if (err)
1122 cc8021af 2021-10-12 thomas goto done;
1124 cc8021af 2021-10-12 thomas if (type1 == GOT_OBJ_TYPE_ANY &&
1125 cc8021af 2021-10-12 thomas type2 == GOT_OBJ_TYPE_ANY) {
1126 cc8021af 2021-10-12 thomas err = got_error_path(pe->path, GOT_ERR_NO_OBJ);
1127 cc8021af 2021-10-12 thomas goto done;
1128 cc8021af 2021-10-12 thomas } else if (type1 != GOT_OBJ_TYPE_ANY &&
1129 cc8021af 2021-10-12 thomas type2 != GOT_OBJ_TYPE_ANY && type1 != type2) {
1130 cc8021af 2021-10-12 thomas err = got_error(GOT_ERR_OBJ_TYPE);
1131 cc8021af 2021-10-12 thomas goto done;
1134 cc8021af 2021-10-12 thomas if (type1 == GOT_OBJ_TYPE_BLOB ||
1135 cc8021af 2021-10-12 thomas type2 == GOT_OBJ_TYPE_BLOB) {
1136 cc8021af 2021-10-12 thomas if (id1) {
1137 cc8021af 2021-10-12 thomas err = got_object_open_as_blob(&blob1, repo,
1138 f4ae6ddb 2022-07-01 thomas id1, 8192, fd1);
1139 cc8021af 2021-10-12 thomas if (err)
1140 cc8021af 2021-10-12 thomas goto done;
1142 cc8021af 2021-10-12 thomas if (id2) {
1143 cc8021af 2021-10-12 thomas err = got_object_open_as_blob(&blob2, repo,
1144 f4ae6ddb 2022-07-01 thomas id2, 8192, fd2);
1145 cc8021af 2021-10-12 thomas if (err)
1146 cc8021af 2021-10-12 thomas goto done;
1148 a0f32f33 2022-06-13 thomas err = cb(cb_arg, blob1, blob2, f1, f2, id1, id2,
1149 cc8021af 2021-10-12 thomas id1 ? pe->path : "/dev/null",
1150 cc8021af 2021-10-12 thomas id2 ? pe->path : "/dev/null",
1151 cc8021af 2021-10-12 thomas mode1, mode2, repo);
1152 cc8021af 2021-10-12 thomas if (err)
1153 cc8021af 2021-10-12 thomas goto done;
1154 cc8021af 2021-10-12 thomas } else if (type1 == GOT_OBJ_TYPE_TREE ||
1155 cc8021af 2021-10-12 thomas type2 == GOT_OBJ_TYPE_TREE) {
1156 cc8021af 2021-10-12 thomas if (id1) {
1157 cc8021af 2021-10-12 thomas err = got_object_open_as_tree(&subtree1, repo,
1159 cc8021af 2021-10-12 thomas if (err)
1160 cc8021af 2021-10-12 thomas goto done;
1162 cc8021af 2021-10-12 thomas if (id2) {
1163 cc8021af 2021-10-12 thomas err = got_object_open_as_tree(&subtree2, repo,
1165 cc8021af 2021-10-12 thomas if (err)
1166 cc8021af 2021-10-12 thomas goto done;
1168 a0f32f33 2022-06-13 thomas err = got_diff_tree(subtree1, subtree2, f1, f2,
1169 19a6a6b5 2022-07-01 thomas fd1, fd2,
1170 cc8021af 2021-10-12 thomas id1 ? pe->path : "/dev/null",
1171 cc8021af 2021-10-12 thomas id2 ? pe->path : "/dev/null",
1172 cc8021af 2021-10-12 thomas repo, cb, cb_arg, 1);
1173 cc8021af 2021-10-12 thomas if (err)
1174 cc8021af 2021-10-12 thomas goto done;
1175 cc8021af 2021-10-12 thomas } else {
1176 cc8021af 2021-10-12 thomas err = got_error(GOT_ERR_OBJ_TYPE);
1177 cc8021af 2021-10-12 thomas goto done;
1181 cc8021af 2021-10-12 thomas free(id1);
1182 cc8021af 2021-10-12 thomas free(id2);
1183 cc8021af 2021-10-12 thomas if (subtree1)
1184 cc8021af 2021-10-12 thomas got_object_tree_close(subtree1);
1185 cc8021af 2021-10-12 thomas if (subtree2)
1186 cc8021af 2021-10-12 thomas got_object_tree_close(subtree2);
1187 11528a82 2018-05-19 stsp if (blob1)
1188 11528a82 2018-05-19 stsp got_object_blob_close(blob1);
1189 11528a82 2018-05-19 stsp if (blob2)
1190 11528a82 2018-05-19 stsp got_object_blob_close(blob2);
1191 474b4f94 2017-11-30 stsp return err;
1194 9b4458b4 2022-06-26 thomas static const struct got_error *
1195 82c78e96 2022-08-06 thomas show_object_id(struct got_diff_line **lines, size_t *nlines,
1196 82c78e96 2022-08-06 thomas const char *obj_typestr, int ch, const char *id_str, FILE *outfile)
1198 9b4458b4 2022-06-26 thomas const struct got_error *err;
1200 9b4458b4 2022-06-26 thomas off_t outoff = 0;
1202 9b4458b4 2022-06-26 thomas n = fprintf(outfile, "%s %c %s\n", obj_typestr, ch, id_str);
1203 7e1f3a3d 2022-08-16 thomas if (n < 0)
1204 7e1f3a3d 2022-08-16 thomas return got_error_from_errno("fprintf");
1206 82c78e96 2022-08-06 thomas if (lines != NULL && *lines != NULL) {
1207 9b4458b4 2022-06-26 thomas if (*nlines == 0) {
1208 82c78e96 2022-08-06 thomas err = add_line_metadata(lines, nlines, 0,
1209 82c78e96 2022-08-06 thomas GOT_DIFF_LINE_META);
1210 9b4458b4 2022-06-26 thomas if (err)
1211 9b4458b4 2022-06-26 thomas return err;
1213 82c78e96 2022-08-06 thomas outoff = (*lines)[*nlines - 1].offset;
1215 9b4458b4 2022-06-26 thomas outoff += n;
1216 82c78e96 2022-08-06 thomas err = add_line_metadata(lines, nlines, outoff,
1217 82c78e96 2022-08-06 thomas GOT_DIFF_LINE_META);
1218 9b4458b4 2022-06-26 thomas if (err)
1219 9b4458b4 2022-06-26 thomas return err;
1222 9b4458b4 2022-06-26 thomas return NULL;
1225 9b4458b4 2022-06-26 thomas static const struct got_error *
1226 82c78e96 2022-08-06 thomas diff_objects_as_trees(struct got_diff_line **lines, size_t *nlines,
1227 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
1228 19a6a6b5 2022-07-01 thomas struct got_object_id *id1, struct got_object_id *id2,
1229 0c6f49ba 2022-07-01 thomas struct got_pathlist_head *paths, const char *label1, const char *label2,
1230 0c6f49ba 2022-07-01 thomas int diff_context, int ignore_whitespace, int force_text_diff,
1231 be97ab03 2023-01-19 thomas struct got_diffstat_cb_arg *dsa, struct got_repository *repo,
1232 be97ab03 2023-01-19 thomas FILE *outfile, enum got_diff_algorithm diff_algo)
1234 11528a82 2018-05-19 stsp const struct got_error *err;
1235 11528a82 2018-05-19 stsp struct got_tree_object *tree1 = NULL, *tree2 = NULL;
1236 aaa13589 2019-06-01 stsp struct got_diff_blob_output_unidiff_arg arg;
1237 82c78e96 2022-08-06 thomas int want_linemeta = (lines != NULL && *lines != NULL);
1239 15a94983 2018-12-23 stsp if (id1 == NULL && id2 == NULL)
1240 b74c7625 2018-05-20 stsp return got_error(GOT_ERR_NO_OBJ);
1242 15a94983 2018-12-23 stsp if (id1) {
1243 15a94983 2018-12-23 stsp err = got_object_open_as_tree(&tree1, repo, id1);
1245 cd0acaa7 2018-05-20 stsp goto done;
1247 15a94983 2018-12-23 stsp if (id2) {
1248 15a94983 2018-12-23 stsp err = got_object_open_as_tree(&tree2, repo, id2);
1250 cd0acaa7 2018-05-20 stsp goto done;
1253 25ec7006 2022-07-01 thomas arg.diff_algo = diff_algo;
1254 aaa13589 2019-06-01 stsp arg.diff_context = diff_context;
1255 63035f9f 2019-10-06 stsp arg.ignore_whitespace = ignore_whitespace;
1256 64453f7e 2020-11-21 stsp arg.force_text_diff = force_text_diff;
1257 53d03f97 2023-01-10 thomas arg.diffstat = dsa;
1258 aaa13589 2019-06-01 stsp arg.outfile = outfile;
1259 82c78e96 2022-08-06 thomas if (want_linemeta) {
1260 82c78e96 2022-08-06 thomas arg.lines = *lines;
1261 fe621944 2020-11-10 stsp arg.nlines = *nlines;
1263 82c78e96 2022-08-06 thomas arg.lines = NULL;
1264 fe621944 2020-11-10 stsp arg.nlines = 0;
1266 53d03f97 2023-01-10 thomas if (paths == NULL || TAILQ_EMPTY(paths))
1267 53d03f97 2023-01-10 thomas err = got_diff_tree(tree1, tree2, f1, f2, fd1, fd2, label1,
1268 53d03f97 2023-01-10 thomas label2, repo, got_diff_blob_output_unidiff, &arg, 1);
1270 19a6a6b5 2022-07-01 thomas err = diff_paths(tree1, tree2, f1, f2, fd1, fd2, paths, repo,
1271 cc8021af 2021-10-12 thomas got_diff_blob_output_unidiff, &arg);
1272 82c78e96 2022-08-06 thomas if (want_linemeta) {
1273 82c78e96 2022-08-06 thomas *lines = arg.lines; /* was likely re-allocated */
1274 fe621944 2020-11-10 stsp *nlines = arg.nlines;
1277 11528a82 2018-05-19 stsp if (tree1)
1278 11528a82 2018-05-19 stsp got_object_tree_close(tree1);
1279 11528a82 2018-05-19 stsp if (tree2)
1280 11528a82 2018-05-19 stsp got_object_tree_close(tree2);
1281 11528a82 2018-05-19 stsp return err;
1284 11528a82 2018-05-19 stsp const struct got_error *
1285 82c78e96 2022-08-06 thomas got_diff_objects_as_trees(struct got_diff_line **lines, size_t *nlines,
1286 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
1287 19a6a6b5 2022-07-01 thomas struct got_object_id *id1, struct got_object_id *id2,
1288 0c6f49ba 2022-07-01 thomas struct got_pathlist_head *paths, const char *label1, const char *label2,
1289 25ec7006 2022-07-01 thomas enum got_diff_algorithm diff_algo, int diff_context, int ignore_whitespace,
1290 be97ab03 2023-01-19 thomas int force_text_diff, struct got_diffstat_cb_arg *dsa,
1291 53d03f97 2023-01-10 thomas struct got_repository *repo, FILE *outfile)
1293 9b4458b4 2022-06-26 thomas const struct got_error *err;
1294 9b4458b4 2022-06-26 thomas char *idstr = NULL;
1296 9b4458b4 2022-06-26 thomas if (id1 == NULL && id2 == NULL)
1297 9b4458b4 2022-06-26 thomas return got_error(GOT_ERR_NO_OBJ);
1299 9b4458b4 2022-06-26 thomas if (id1) {
1300 9b4458b4 2022-06-26 thomas err = got_object_id_str(&idstr, id1);
1301 9b4458b4 2022-06-26 thomas if (err)
1302 9b4458b4 2022-06-26 thomas goto done;
1303 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "tree", '-', idstr, outfile);
1304 9b4458b4 2022-06-26 thomas if (err)
1305 9b4458b4 2022-06-26 thomas goto done;
1306 9b4458b4 2022-06-26 thomas free(idstr);
1307 9b4458b4 2022-06-26 thomas idstr = NULL;
1308 9b4458b4 2022-06-26 thomas } else {
1309 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "tree", '-', "/dev/null",
1310 82c78e96 2022-08-06 thomas outfile);
1311 9b4458b4 2022-06-26 thomas if (err)
1312 9b4458b4 2022-06-26 thomas goto done;
1315 9b4458b4 2022-06-26 thomas if (id2) {
1316 9b4458b4 2022-06-26 thomas err = got_object_id_str(&idstr, id2);
1317 9b4458b4 2022-06-26 thomas if (err)
1318 9b4458b4 2022-06-26 thomas goto done;
1319 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "tree", '+', idstr, outfile);
1320 9b4458b4 2022-06-26 thomas if (err)
1321 9b4458b4 2022-06-26 thomas goto done;
1322 9b4458b4 2022-06-26 thomas free(idstr);
1323 9b4458b4 2022-06-26 thomas idstr = NULL;
1324 9b4458b4 2022-06-26 thomas } else {
1325 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "tree", '+', "/dev/null",
1326 82c78e96 2022-08-06 thomas outfile);
1327 9b4458b4 2022-06-26 thomas if (err)
1328 9b4458b4 2022-06-26 thomas goto done;
1331 82c78e96 2022-08-06 thomas err = diff_objects_as_trees(lines, nlines, f1, f2, fd1, fd2, id1, id2,
1332 82c78e96 2022-08-06 thomas paths, label1, label2, diff_context, ignore_whitespace,
1333 be97ab03 2023-01-19 thomas force_text_diff, dsa, repo, outfile, diff_algo);
1335 9b4458b4 2022-06-26 thomas free(idstr);
1336 9b4458b4 2022-06-26 thomas return err;
1339 9b4458b4 2022-06-26 thomas const struct got_error *
1340 82c78e96 2022-08-06 thomas got_diff_objects_as_commits(struct got_diff_line **lines, size_t *nlines,
1341 19a6a6b5 2022-07-01 thomas FILE *f1, FILE *f2, int fd1, int fd2,
1342 19a6a6b5 2022-07-01 thomas struct got_object_id *id1, struct got_object_id *id2,
1343 25ec7006 2022-07-01 thomas struct got_pathlist_head *paths, enum got_diff_algorithm diff_algo,
1344 64453f7e 2020-11-21 stsp int diff_context, int ignore_whitespace, int force_text_diff,
1345 be97ab03 2023-01-19 thomas struct got_diffstat_cb_arg *dsa, struct got_repository *repo, FILE *outfile)
1347 11528a82 2018-05-19 stsp const struct got_error *err;
1348 11528a82 2018-05-19 stsp struct got_commit_object *commit1 = NULL, *commit2 = NULL;
1349 9b4458b4 2022-06-26 thomas char *idstr = NULL;
1351 15a94983 2018-12-23 stsp if (id2 == NULL)
1352 b74c7625 2018-05-20 stsp return got_error(GOT_ERR_NO_OBJ);
1354 15a94983 2018-12-23 stsp if (id1) {
1355 15a94983 2018-12-23 stsp err = got_object_open_as_commit(&commit1, repo, id1);
1357 cd0acaa7 2018-05-20 stsp goto done;
1358 9b4458b4 2022-06-26 thomas err = got_object_id_str(&idstr, id1);
1359 9b4458b4 2022-06-26 thomas if (err)
1360 9b4458b4 2022-06-26 thomas goto done;
1361 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "commit", '-', idstr,
1362 82c78e96 2022-08-06 thomas outfile);
1363 9b4458b4 2022-06-26 thomas if (err)
1364 9b4458b4 2022-06-26 thomas goto done;
1365 9b4458b4 2022-06-26 thomas free(idstr);
1366 9b4458b4 2022-06-26 thomas idstr = NULL;
1367 9b4458b4 2022-06-26 thomas } else {
1368 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "commit", '-', "/dev/null",
1369 82c78e96 2022-08-06 thomas outfile);
1370 9b4458b4 2022-06-26 thomas if (err)
1371 9b4458b4 2022-06-26 thomas goto done;
1374 15a94983 2018-12-23 stsp err = got_object_open_as_commit(&commit2, repo, id2);
1376 9b697879 2018-05-20 stsp goto done;
1378 9b4458b4 2022-06-26 thomas err = got_object_id_str(&idstr, id2);
1379 9b4458b4 2022-06-26 thomas if (err)
1380 9b4458b4 2022-06-26 thomas goto done;
1381 82c78e96 2022-08-06 thomas err = show_object_id(lines, nlines, "commit", '+', idstr, outfile);
1382 9b4458b4 2022-06-26 thomas if (err)
1383 9b4458b4 2022-06-26 thomas goto done;
1385 82c78e96 2022-08-06 thomas err = diff_objects_as_trees(lines, nlines, f1, f2, fd1, fd2,
1386 15a94983 2018-12-23 stsp commit1 ? got_object_commit_get_tree_id(commit1) : NULL,
1387 cc8021af 2021-10-12 thomas got_object_commit_get_tree_id(commit2), paths, "", "",
1388 be97ab03 2023-01-19 thomas diff_context, ignore_whitespace, force_text_diff, dsa, repo,
1389 be97ab03 2023-01-19 thomas outfile, diff_algo);
1391 11528a82 2018-05-19 stsp if (commit1)
1392 11528a82 2018-05-19 stsp got_object_commit_close(commit1);
1393 11528a82 2018-05-19 stsp if (commit2)
1394 11528a82 2018-05-19 stsp got_object_commit_close(commit2);
1395 9b4458b4 2022-06-26 thomas free(idstr);
1396 11528a82 2018-05-19 stsp return err;
1399 dc424a06 2019-08-07 stsp const struct got_error *
1400 fe621944 2020-11-10 stsp got_diff_files(struct got_diffreg_result **resultp,
1401 dd2e2f52 2022-07-01 thomas FILE *f1, int f1_exists, const char *label1, FILE *f2, int f2_exists,
1402 dd2e2f52 2022-07-01 thomas const char *label2, int diff_context, int ignore_whitespace,
1403 25ec7006 2022-07-01 thomas int force_text_diff, FILE *outfile, enum got_diff_algorithm diff_algo)
1405 dc424a06 2019-08-07 stsp const struct got_error *err = NULL;
1406 fe621944 2020-11-10 stsp struct got_diffreg_result *diffreg_result = NULL;
1408 fe621944 2020-11-10 stsp if (resultp)
1409 fe621944 2020-11-10 stsp *resultp = NULL;
1411 dc424a06 2019-08-07 stsp if (outfile) {
1412 dc424a06 2019-08-07 stsp fprintf(outfile, "file - %s\n",
1413 dd2e2f52 2022-07-01 thomas f1_exists ? label1 : "/dev/null");
1414 dc424a06 2019-08-07 stsp fprintf(outfile, "file + %s\n",
1415 dd2e2f52 2022-07-01 thomas f2_exists ? label2 : "/dev/null");
1418 25ec7006 2022-07-01 thomas err = got_diffreg(&diffreg_result, f1, f2, diff_algo,
1419 64453f7e 2020-11-21 stsp ignore_whitespace, force_text_diff);
1421 fe621944 2020-11-10 stsp goto done;
1423 fe621944 2020-11-10 stsp if (outfile) {
1424 fe621944 2020-11-10 stsp err = got_diffreg_output(NULL, NULL, diffreg_result,
1425 dd2e2f52 2022-07-01 thomas f1_exists, f2_exists, label1, label2,
1426 1cb46f00 2020-11-21 stsp GOT_DIFF_OUTPUT_UNIDIFF, diff_context, outfile);
1428 dc424a06 2019-08-07 stsp goto done;
1432 fe621944 2020-11-10 stsp if (resultp && err == NULL)
1433 fe621944 2020-11-10 stsp *resultp = diffreg_result;
1434 fe621944 2020-11-10 stsp else if (diffreg_result) {
1435 fe621944 2020-11-10 stsp const struct got_error *free_err;
1437 fe621944 2020-11-10 stsp free_err = got_diffreg_result_free(diffreg_result);
1438 fe621944 2020-11-10 stsp if (free_err && err == NULL)
1439 fe621944 2020-11-10 stsp err = free_err;
1442 dc424a06 2019-08-07 stsp return err;
