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Commit | Line | Data |
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5f1c3f07 JH |
1 | #include "cache.h" |
2 | #include "diff.h" | |
3 | #include "commit.h" | |
cab4feb6 | 4 | #include "tag.h" |
7fefda5c | 5 | #include "graph.h" |
5f1c3f07 | 6 | #include "log-tree.h" |
8860fd42 | 7 | #include "reflog-walk.h" |
cab4feb6 | 8 | #include "refs.h" |
b079c50e | 9 | #include "string-list.h" |
5f1c3f07 | 10 | |
ca135e7a LT |
11 | struct decoration name_decoration = { "object names" }; |
12 | ||
cab4feb6 RS |
13 | static void add_name_decoration(const char *prefix, const char *name, struct object *obj) |
14 | { | |
15 | int plen = strlen(prefix); | |
16 | int nlen = strlen(name); | |
17 | struct name_decoration *res = xmalloc(sizeof(struct name_decoration) + plen + nlen); | |
18 | memcpy(res->name, prefix, plen); | |
19 | memcpy(res->name + plen, name, nlen + 1); | |
20 | res->next = add_decoration(&name_decoration, obj, res); | |
21 | } | |
22 | ||
23 | static int add_ref_decoration(const char *refname, const unsigned char *sha1, int flags, void *cb_data) | |
24 | { | |
25 | struct object *obj = parse_object(sha1); | |
26 | if (!obj) | |
27 | return 0; | |
28 | add_name_decoration("", refname, obj); | |
29 | while (obj->type == OBJ_TAG) { | |
30 | obj = ((struct tag *)obj)->tagged; | |
31 | if (!obj) | |
32 | break; | |
33 | add_name_decoration("tag: ", refname, obj); | |
34 | } | |
35 | return 0; | |
36 | } | |
37 | ||
38 | void load_ref_decorations(void) | |
39 | { | |
40 | static int loaded; | |
41 | if (!loaded) { | |
42 | loaded = 1; | |
43 | for_each_ref(add_ref_decoration, NULL); | |
44 | } | |
45 | } | |
46 | ||
c8c893c6 LT |
47 | static void show_parents(struct commit *commit, int abbrev) |
48 | { | |
49 | struct commit_list *p; | |
50 | for (p = commit->parents; p ; p = p->next) { | |
51 | struct commit *parent = p->item; | |
7fcda920 | 52 | printf(" %s", find_unique_abbrev(parent->object.sha1, abbrev)); |
c8c893c6 LT |
53 | } |
54 | } | |
55 | ||
0f3a290b | 56 | void show_decorations(struct rev_info *opt, struct commit *commit) |
ca135e7a LT |
57 | { |
58 | const char *prefix; | |
59 | struct name_decoration *decoration; | |
60 | ||
0f3a290b | 61 | if (opt->show_source && commit->util) |
8c4021ab | 62 | printf("\t%s", (char *) commit->util); |
d467a525 LT |
63 | if (!opt->show_decorations) |
64 | return; | |
ca135e7a LT |
65 | decoration = lookup_decoration(&name_decoration, &commit->object); |
66 | if (!decoration) | |
67 | return; | |
68 | prefix = " ("; | |
69 | while (decoration) { | |
70 | printf("%s%s", prefix, decoration->name); | |
71 | prefix = ", "; | |
72 | decoration = decoration->next; | |
73 | } | |
74 | putchar(')'); | |
75 | } | |
76 | ||
fc1c75ec FBH |
77 | /* |
78 | * Search for "^[-A-Za-z]+: [^@]+@" pattern. It usually matches | |
79 | * Signed-off-by: and Acked-by: lines. | |
80 | */ | |
81 | static int detect_any_signoff(char *letter, int size) | |
82 | { | |
fd13b21f | 83 | char *cp; |
fc1c75ec FBH |
84 | int seen_colon = 0; |
85 | int seen_at = 0; | |
86 | int seen_name = 0; | |
87 | int seen_head = 0; | |
88 | ||
89 | cp = letter + size; | |
fd13b21f | 90 | while (letter <= --cp && *cp == '\n') |
fc1c75ec FBH |
91 | continue; |
92 | ||
93 | while (letter <= cp) { | |
fd13b21f | 94 | char ch = *cp--; |
fc1c75ec FBH |
95 | if (ch == '\n') |
96 | break; | |
97 | ||
98 | if (!seen_at) { | |
99 | if (ch == '@') | |
100 | seen_at = 1; | |
101 | continue; | |
102 | } | |
103 | if (!seen_colon) { | |
104 | if (ch == '@') | |
105 | return 0; | |
106 | else if (ch == ':') | |
107 | seen_colon = 1; | |
108 | else | |
109 | seen_name = 1; | |
110 | continue; | |
111 | } | |
112 | if (('A' <= ch && ch <= 'Z') || | |
113 | ('a' <= ch && ch <= 'z') || | |
114 | ch == '-') { | |
115 | seen_head = 1; | |
116 | continue; | |
117 | } | |
118 | /* no empty last line doesn't match */ | |
119 | return 0; | |
120 | } | |
121 | return seen_head && seen_name; | |
122 | } | |
123 | ||
674d1727 | 124 | static void append_signoff(struct strbuf *sb, const char *signoff) |
cf2251b6 | 125 | { |
cf2251b6 | 126 | static const char signed_off_by[] = "Signed-off-by: "; |
80583c0e | 127 | size_t signoff_len = strlen(signoff); |
fc1c75ec | 128 | int has_signoff = 0; |
80583c0e | 129 | char *cp; |
cf2251b6 | 130 | |
674d1727 | 131 | cp = sb->buf; |
cf2251b6 JH |
132 | |
133 | /* First see if we already have the sign-off by the signer */ | |
fc1c75ec FBH |
134 | while ((cp = strstr(cp, signed_off_by))) { |
135 | ||
136 | has_signoff = 1; | |
137 | ||
cf2251b6 | 138 | cp += strlen(signed_off_by); |
674d1727 | 139 | if (cp + signoff_len >= sb->buf + sb->len) |
fc1c75ec FBH |
140 | break; |
141 | if (strncmp(cp, signoff, signoff_len)) | |
142 | continue; | |
143 | if (!isspace(cp[signoff_len])) | |
144 | continue; | |
145 | /* we already have him */ | |
674d1727 | 146 | return; |
cf2251b6 JH |
147 | } |
148 | ||
fc1c75ec | 149 | if (!has_signoff) |
674d1727 | 150 | has_signoff = detect_any_signoff(sb->buf, sb->len); |
fc1c75ec FBH |
151 | |
152 | if (!has_signoff) | |
674d1727 | 153 | strbuf_addch(sb, '\n'); |
c35f4c37 | 154 | |
674d1727 PH |
155 | strbuf_addstr(sb, signed_off_by); |
156 | strbuf_add(sb, signoff, signoff_len); | |
157 | strbuf_addch(sb, '\n'); | |
cf2251b6 JH |
158 | } |
159 | ||
e00de24b JS |
160 | static unsigned int digits_in_number(unsigned int number) |
161 | { | |
162 | unsigned int i = 10, result = 1; | |
163 | while (i <= number) { | |
164 | i *= 10; | |
165 | result++; | |
166 | } | |
167 | return result; | |
168 | } | |
169 | ||
4593fb84 JH |
170 | static int has_non_ascii(const char *s) |
171 | { | |
172 | int ch; | |
173 | if (!s) | |
174 | return 0; | |
175 | while ((ch = *s++) != '\0') { | |
176 | if (non_ascii(ch)) | |
177 | return 1; | |
178 | } | |
179 | return 0; | |
180 | } | |
181 | ||
6fa8e627 SB |
182 | void get_patch_filename(struct commit *commit, int nr, const char *suffix, |
183 | struct strbuf *buf) | |
184 | { | |
185 | int suffix_len = strlen(suffix) + 1; | |
186 | int start_len = buf->len; | |
187 | ||
188 | strbuf_addf(buf, commit ? "%04d-" : "%d", nr); | |
189 | if (commit) { | |
b09b868f CC |
190 | int max_len = start_len + FORMAT_PATCH_NAME_MAX - suffix_len; |
191 | ||
6fa8e627 | 192 | format_commit_message(commit, "%f", buf, DATE_NORMAL); |
b09b868f CC |
193 | if (max_len < buf->len) |
194 | strbuf_setlen(buf, max_len); | |
195 | strbuf_addstr(buf, suffix); | |
6fa8e627 SB |
196 | } |
197 | } | |
198 | ||
108dab28 | 199 | void log_write_email_headers(struct rev_info *opt, struct commit *commit, |
267123b4 JH |
200 | const char **subject_p, |
201 | const char **extra_headers_p, | |
202 | int *need_8bit_cte_p) | |
b02bd65f DB |
203 | { |
204 | const char *subject = NULL; | |
205 | const char *extra_headers = opt->extra_headers; | |
108dab28 | 206 | const char *name = sha1_to_hex(commit->object.sha1); |
267123b4 JH |
207 | |
208 | *need_8bit_cte_p = 0; /* unknown */ | |
b02bd65f DB |
209 | if (opt->total > 0) { |
210 | static char buffer[64]; | |
211 | snprintf(buffer, sizeof(buffer), | |
212 | "Subject: [%s %0*d/%d] ", | |
213 | opt->subject_prefix, | |
214 | digits_in_number(opt->total), | |
215 | opt->nr, opt->total); | |
216 | subject = buffer; | |
217 | } else if (opt->total == 0 && opt->subject_prefix && *opt->subject_prefix) { | |
218 | static char buffer[256]; | |
219 | snprintf(buffer, sizeof(buffer), | |
220 | "Subject: [%s] ", | |
221 | opt->subject_prefix); | |
222 | subject = buffer; | |
223 | } else { | |
224 | subject = "Subject: "; | |
225 | } | |
226 | ||
227 | printf("From %s Mon Sep 17 00:00:00 2001\n", name); | |
7fefda5c AS |
228 | graph_show_oneline(opt->graph); |
229 | if (opt->message_id) { | |
b02bd65f | 230 | printf("Message-Id: <%s>\n", opt->message_id); |
7fefda5c AS |
231 | graph_show_oneline(opt->graph); |
232 | } | |
b079c50e TR |
233 | if (opt->ref_message_ids && opt->ref_message_ids->nr > 0) { |
234 | int i, n; | |
235 | n = opt->ref_message_ids->nr; | |
236 | printf("In-Reply-To: <%s>\n", opt->ref_message_ids->items[n-1].string); | |
237 | for (i = 0; i < n; i++) | |
238 | printf("%s<%s>\n", (i > 0 ? "\t" : "References: "), | |
239 | opt->ref_message_ids->items[i].string); | |
7fefda5c AS |
240 | graph_show_oneline(opt->graph); |
241 | } | |
b02bd65f DB |
242 | if (opt->mime_boundary) { |
243 | static char subject_buffer[1024]; | |
244 | static char buffer[1024]; | |
108dab28 | 245 | struct strbuf filename = STRBUF_INIT; |
267123b4 | 246 | *need_8bit_cte_p = -1; /* NEVER */ |
b02bd65f DB |
247 | snprintf(subject_buffer, sizeof(subject_buffer) - 1, |
248 | "%s" | |
249 | "MIME-Version: 1.0\n" | |
250 | "Content-Type: multipart/mixed;" | |
251 | " boundary=\"%s%s\"\n" | |
252 | "\n" | |
253 | "This is a multi-part message in MIME " | |
254 | "format.\n" | |
255 | "--%s%s\n" | |
256 | "Content-Type: text/plain; " | |
257 | "charset=UTF-8; format=fixed\n" | |
258 | "Content-Transfer-Encoding: 8bit\n\n", | |
259 | extra_headers ? extra_headers : "", | |
260 | mime_boundary_leader, opt->mime_boundary, | |
261 | mime_boundary_leader, opt->mime_boundary); | |
262 | extra_headers = subject_buffer; | |
263 | ||
108dab28 SB |
264 | get_patch_filename(opt->numbered_files ? NULL : commit, opt->nr, |
265 | opt->patch_suffix, &filename); | |
b02bd65f | 266 | snprintf(buffer, sizeof(buffer) - 1, |
6b2fbaaf | 267 | "\n--%s%s\n" |
b02bd65f | 268 | "Content-Type: text/x-patch;" |
108dab28 | 269 | " name=\"%s\"\n" |
b02bd65f DB |
270 | "Content-Transfer-Encoding: 8bit\n" |
271 | "Content-Disposition: %s;" | |
108dab28 | 272 | " filename=\"%s\"\n\n", |
b02bd65f | 273 | mime_boundary_leader, opt->mime_boundary, |
108dab28 | 274 | filename.buf, |
b02bd65f | 275 | opt->no_inline ? "attachment" : "inline", |
108dab28 | 276 | filename.buf); |
b02bd65f | 277 | opt->diffopt.stat_sep = buffer; |
108dab28 | 278 | strbuf_release(&filename); |
b02bd65f DB |
279 | } |
280 | *subject_p = subject; | |
281 | *extra_headers_p = extra_headers; | |
282 | } | |
283 | ||
02865655 | 284 | void show_log(struct rev_info *opt) |
91539833 | 285 | { |
f285a2d7 | 286 | struct strbuf msgbuf = STRBUF_INIT; |
39bc9a6c | 287 | struct log_info *log = opt->loginfo; |
91539833 LT |
288 | struct commit *commit = log->commit, *parent = log->parent; |
289 | int abbrev = opt->diffopt.abbrev; | |
290 | int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40; | |
20ff0680 | 291 | const char *subject = NULL, *extra_headers = opt->extra_headers; |
6bf4f1b4 | 292 | int need_8bit_cte = 0; |
91539833 LT |
293 | |
294 | opt->loginfo = NULL; | |
295 | if (!opt->verbose_header) { | |
7fefda5c AS |
296 | graph_show_commit(opt->graph); |
297 | ||
7528f27d AS |
298 | if (!opt->graph) { |
299 | if (commit->object.flags & BOUNDARY) | |
300 | putchar('-'); | |
301 | else if (commit->object.flags & UNINTERESTING) | |
302 | putchar('^'); | |
303 | else if (opt->left_right) { | |
304 | if (commit->object.flags & SYMMETRIC_LEFT) | |
305 | putchar('<'); | |
306 | else | |
307 | putchar('>'); | |
308 | } | |
74bd9029 | 309 | } |
7fcda920 | 310 | fputs(find_unique_abbrev(commit->object.sha1, abbrev_commit), stdout); |
885cf808 | 311 | if (opt->print_parents) |
c8c893c6 | 312 | show_parents(commit, abbrev_commit); |
0f3a290b | 313 | show_decorations(opt, commit); |
7fefda5c AS |
314 | if (opt->graph && !graph_is_commit_finished(opt->graph)) { |
315 | putchar('\n'); | |
316 | graph_show_remainder(opt->graph); | |
317 | } | |
1dcb6922 | 318 | putchar(opt->diffopt.line_termination); |
91539833 LT |
319 | return; |
320 | } | |
321 | ||
322 | /* | |
02865655 AS |
323 | * If use_terminator is set, add a newline at the end of the entry. |
324 | * Otherwise, add a diffopt.line_termination character before all | |
325 | * entries but the first. (IOW, as a separator between entries) | |
91539833 | 326 | */ |
7fefda5c AS |
327 | if (opt->shown_one && !opt->use_terminator) { |
328 | /* | |
329 | * If entries are separated by a newline, the output | |
330 | * should look human-readable. If the last entry ended | |
331 | * with a newline, print the graph output before this | |
332 | * newline. Otherwise it will end up as a completely blank | |
333 | * line and will look like a gap in the graph. | |
334 | * | |
335 | * If the entry separator is not a newline, the output is | |
336 | * primarily intended for programmatic consumption, and we | |
337 | * never want the extra graph output before the entry | |
338 | * separator. | |
339 | */ | |
340 | if (opt->diffopt.line_termination == '\n' && | |
341 | !opt->missing_newline) | |
342 | graph_show_padding(opt->graph); | |
abd4e222 | 343 | putchar(opt->diffopt.line_termination); |
7fefda5c | 344 | } |
91539833 LT |
345 | opt->shown_one = 1; |
346 | ||
7fefda5c AS |
347 | /* |
348 | * If the history graph was requested, | |
349 | * print the graph, up to this commit's line | |
350 | */ | |
351 | graph_show_commit(opt->graph); | |
352 | ||
91539833 LT |
353 | /* |
354 | * Print header line of header.. | |
355 | */ | |
3eefc189 | 356 | |
596524b3 | 357 | if (opt->commit_format == CMIT_FMT_EMAIL) { |
108dab28 | 358 | log_write_email_headers(opt, commit, &subject, &extra_headers, |
267123b4 | 359 | &need_8bit_cte); |
e52a5de4 | 360 | } else if (opt->commit_format != CMIT_FMT_USERFORMAT) { |
8f67f8ae | 361 | fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), stdout); |
74bd9029 JH |
362 | if (opt->commit_format != CMIT_FMT_ONELINE) |
363 | fputs("commit ", stdout); | |
7528f27d AS |
364 | |
365 | if (!opt->graph) { | |
366 | if (commit->object.flags & BOUNDARY) | |
367 | putchar('-'); | |
368 | else if (commit->object.flags & UNINTERESTING) | |
369 | putchar('^'); | |
370 | else if (opt->left_right) { | |
371 | if (commit->object.flags & SYMMETRIC_LEFT) | |
372 | putchar('<'); | |
373 | else | |
374 | putchar('>'); | |
375 | } | |
74bd9029 | 376 | } |
7fcda920 | 377 | fputs(find_unique_abbrev(commit->object.sha1, abbrev_commit), |
74bd9029 | 378 | stdout); |
885cf808 | 379 | if (opt->print_parents) |
c66b6c06 | 380 | show_parents(commit, abbrev_commit); |
73f0a157 | 381 | if (parent) |
3eefc189 | 382 | printf(" (from %s)", |
7fcda920 | 383 | find_unique_abbrev(parent->object.sha1, |
3eefc189 | 384 | abbrev_commit)); |
0f3a290b | 385 | show_decorations(opt, commit); |
8f67f8ae | 386 | printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET)); |
7fefda5c AS |
387 | if (opt->commit_format == CMIT_FMT_ONELINE) { |
388 | putchar(' '); | |
389 | } else { | |
390 | putchar('\n'); | |
391 | graph_show_oneline(opt->graph); | |
392 | } | |
903b45fe | 393 | if (opt->reflog_info) { |
7fefda5c AS |
394 | /* |
395 | * setup_revisions() ensures that opt->reflog_info | |
396 | * and opt->graph cannot both be set, | |
397 | * so we don't need to worry about printing the | |
398 | * graph info here. | |
399 | */ | |
4d12a471 | 400 | show_reflog_message(opt->reflog_info, |
4e244cbc | 401 | opt->commit_format == CMIT_FMT_ONELINE, |
a7b02ccf | 402 | opt->date_mode); |
02865655 | 403 | if (opt->commit_format == CMIT_FMT_ONELINE) |
903b45fe | 404 | return; |
903b45fe | 405 | } |
3eefc189 | 406 | } |
91539833 | 407 | |
3131b713 LT |
408 | if (!commit->buffer) |
409 | return; | |
410 | ||
91539833 LT |
411 | /* |
412 | * And then the pretty-printed message itself | |
413 | */ | |
6bf4f1b4 JH |
414 | if (need_8bit_cte >= 0) |
415 | need_8bit_cte = has_non_ascii(opt->add_signoff); | |
674d1727 | 416 | pretty_print_commit(opt->commit_format, commit, &msgbuf, |
4593fb84 | 417 | abbrev, subject, extra_headers, opt->date_mode, |
6bf4f1b4 | 418 | need_8bit_cte); |
cf2251b6 JH |
419 | |
420 | if (opt->add_signoff) | |
674d1727 | 421 | append_signoff(&msgbuf, opt->add_signoff); |
7fefda5c | 422 | if (opt->show_log_size) { |
674d1727 | 423 | printf("log size %i\n", (int)msgbuf.len); |
7fefda5c AS |
424 | graph_show_oneline(opt->graph); |
425 | } | |
9fa3465d | 426 | |
7fefda5c AS |
427 | /* |
428 | * Set opt->missing_newline if msgbuf doesn't | |
429 | * end in a newline (including if it is empty) | |
430 | */ | |
431 | if (!msgbuf.len || msgbuf.buf[msgbuf.len - 1] != '\n') | |
432 | opt->missing_newline = 1; | |
433 | else | |
434 | opt->missing_newline = 0; | |
435 | ||
436 | if (opt->graph) | |
437 | graph_show_commit_msg(opt->graph, &msgbuf); | |
438 | else | |
42c8c74c | 439 | fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout); |
7fefda5c AS |
440 | if (opt->use_terminator) { |
441 | if (!opt->missing_newline) | |
442 | graph_show_padding(opt->graph); | |
9b58bfe8 | 443 | putchar('\n'); |
7fefda5c AS |
444 | } |
445 | ||
674d1727 | 446 | strbuf_release(&msgbuf); |
91539833 LT |
447 | } |
448 | ||
cd2bdc53 | 449 | int log_tree_diff_flush(struct rev_info *opt) |
5f1c3f07 JH |
450 | { |
451 | diffcore_std(&opt->diffopt); | |
91539833 | 452 | |
5f1c3f07 JH |
453 | if (diff_queue_is_empty()) { |
454 | int saved_fmt = opt->diffopt.output_format; | |
455 | opt->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT; | |
456 | diff_flush(&opt->diffopt); | |
457 | opt->diffopt.output_format = saved_fmt; | |
458 | return 0; | |
459 | } | |
91539833 | 460 | |
3969cf7d JH |
461 | if (opt->loginfo && !opt->no_commit_id) { |
462 | /* When showing a verbose header (i.e. log message), | |
463 | * and not in --pretty=oneline format, we would want | |
464 | * an extra newline between the end of log and the | |
465 | * output for readability. | |
466 | */ | |
02865655 | 467 | show_log(opt); |
304b5af6 LT |
468 | if ((opt->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT) && |
469 | opt->verbose_header && | |
3969cf7d JH |
470 | opt->commit_format != CMIT_FMT_ONELINE) { |
471 | int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH; | |
472 | if ((pch & opt->diffopt.output_format) == pch) | |
abd4e222 LT |
473 | printf("---"); |
474 | putchar('\n'); | |
3969cf7d JH |
475 | } |
476 | } | |
5f1c3f07 JH |
477 | diff_flush(&opt->diffopt); |
478 | return 1; | |
479 | } | |
480 | ||
cd2bdc53 | 481 | static int do_diff_combined(struct rev_info *opt, struct commit *commit) |
5f1c3f07 JH |
482 | { |
483 | unsigned const char *sha1 = commit->object.sha1; | |
484 | ||
91539833 LT |
485 | diff_tree_combined_merge(sha1, opt->dense_combined_merges, opt); |
486 | return !opt->loginfo; | |
5f1c3f07 JH |
487 | } |
488 | ||
91539833 LT |
489 | /* |
490 | * Show the diff of a commit. | |
491 | * | |
492 | * Return true if we printed any log info messages | |
493 | */ | |
494 | static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log_info *log) | |
5f1c3f07 | 495 | { |
91539833 | 496 | int showed_log; |
5f1c3f07 JH |
497 | struct commit_list *parents; |
498 | unsigned const char *sha1 = commit->object.sha1; | |
499 | ||
84102a33 | 500 | if (!opt->diff && !DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS)) |
91539833 LT |
501 | return 0; |
502 | ||
5f1c3f07 | 503 | /* Root commit? */ |
91539833 LT |
504 | parents = commit->parents; |
505 | if (!parents) { | |
2b60356d RS |
506 | if (opt->show_root_diff) { |
507 | diff_root_tree_sha1(sha1, "", &opt->diffopt); | |
508 | log_tree_diff_flush(opt); | |
509 | } | |
91539833 | 510 | return !opt->loginfo; |
5f1c3f07 JH |
511 | } |
512 | ||
513 | /* More than one parent? */ | |
91539833 | 514 | if (parents && parents->next) { |
5f1c3f07 JH |
515 | if (opt->ignore_merges) |
516 | return 0; | |
517 | else if (opt->combine_merges) | |
518 | return do_diff_combined(opt, commit); | |
91539833 LT |
519 | |
520 | /* If we show individual diffs, show the parent info */ | |
521 | log->parent = parents->item; | |
5f1c3f07 JH |
522 | } |
523 | ||
91539833 LT |
524 | showed_log = 0; |
525 | for (;;) { | |
5f1c3f07 | 526 | struct commit *parent = parents->item; |
5f1c3f07 | 527 | |
91539833 LT |
528 | diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt); |
529 | log_tree_diff_flush(opt); | |
530 | ||
531 | showed_log |= !opt->loginfo; | |
532 | ||
533 | /* Set up the log info for the next parent, if any.. */ | |
534 | parents = parents->next; | |
535 | if (!parents) | |
536 | break; | |
537 | log->parent = parents->item; | |
538 | opt->loginfo = log; | |
539 | } | |
540 | return showed_log; | |
541 | } | |
542 | ||
543 | int log_tree_commit(struct rev_info *opt, struct commit *commit) | |
544 | { | |
545 | struct log_info log; | |
3eefc189 | 546 | int shown; |
91539833 LT |
547 | |
548 | log.commit = commit; | |
549 | log.parent = NULL; | |
550 | opt->loginfo = &log; | |
551 | ||
3eefc189 JH |
552 | shown = log_tree_diff(opt, commit, &log); |
553 | if (!shown && opt->loginfo && opt->always_show_header) { | |
91539833 | 554 | log.parent = NULL; |
02865655 | 555 | show_log(opt); |
3eefc189 | 556 | shown = 1; |
5f1c3f07 | 557 | } |
91539833 | 558 | opt->loginfo = NULL; |
06f59e9f | 559 | maybe_flush_or_die(stdout, "stdout"); |
3eefc189 | 560 | return shown; |
5f1c3f07 | 561 | } |