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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" | |
4 | #include "log-tree.h" | |
8860fd42 | 5 | #include "reflog-walk.h" |
5f1c3f07 | 6 | |
ca135e7a LT |
7 | struct decoration name_decoration = { "object names" }; |
8 | ||
c8c893c6 LT |
9 | static void show_parents(struct commit *commit, int abbrev) |
10 | { | |
11 | struct commit_list *p; | |
12 | for (p = commit->parents; p ; p = p->next) { | |
13 | struct commit *parent = p->item; | |
14 | printf(" %s", diff_unique_abbrev(parent->object.sha1, abbrev)); | |
15 | } | |
16 | } | |
17 | ||
ca135e7a LT |
18 | static void show_decorations(struct commit *commit) |
19 | { | |
20 | const char *prefix; | |
21 | struct name_decoration *decoration; | |
22 | ||
23 | decoration = lookup_decoration(&name_decoration, &commit->object); | |
24 | if (!decoration) | |
25 | return; | |
26 | prefix = " ("; | |
27 | while (decoration) { | |
28 | printf("%s%s", prefix, decoration->name); | |
29 | prefix = ", "; | |
30 | decoration = decoration->next; | |
31 | } | |
32 | putchar(')'); | |
33 | } | |
34 | ||
fc1c75ec FBH |
35 | /* |
36 | * Search for "^[-A-Za-z]+: [^@]+@" pattern. It usually matches | |
37 | * Signed-off-by: and Acked-by: lines. | |
38 | */ | |
39 | static int detect_any_signoff(char *letter, int size) | |
40 | { | |
41 | char ch, *cp; | |
42 | int seen_colon = 0; | |
43 | int seen_at = 0; | |
44 | int seen_name = 0; | |
45 | int seen_head = 0; | |
46 | ||
47 | cp = letter + size; | |
48 | while (letter <= --cp && (ch = *cp) == '\n') | |
49 | continue; | |
50 | ||
51 | while (letter <= cp) { | |
52 | ch = *cp--; | |
53 | if (ch == '\n') | |
54 | break; | |
55 | ||
56 | if (!seen_at) { | |
57 | if (ch == '@') | |
58 | seen_at = 1; | |
59 | continue; | |
60 | } | |
61 | if (!seen_colon) { | |
62 | if (ch == '@') | |
63 | return 0; | |
64 | else if (ch == ':') | |
65 | seen_colon = 1; | |
66 | else | |
67 | seen_name = 1; | |
68 | continue; | |
69 | } | |
70 | if (('A' <= ch && ch <= 'Z') || | |
71 | ('a' <= ch && ch <= 'z') || | |
72 | ch == '-') { | |
73 | seen_head = 1; | |
74 | continue; | |
75 | } | |
76 | /* no empty last line doesn't match */ | |
77 | return 0; | |
78 | } | |
79 | return seen_head && seen_name; | |
80 | } | |
81 | ||
674d1727 | 82 | static void append_signoff(struct strbuf *sb, const char *signoff) |
cf2251b6 | 83 | { |
cf2251b6 | 84 | static const char signed_off_by[] = "Signed-off-by: "; |
80583c0e | 85 | size_t signoff_len = strlen(signoff); |
fc1c75ec | 86 | int has_signoff = 0; |
80583c0e | 87 | char *cp; |
cf2251b6 | 88 | |
674d1727 | 89 | cp = sb->buf; |
cf2251b6 JH |
90 | |
91 | /* First see if we already have the sign-off by the signer */ | |
fc1c75ec FBH |
92 | while ((cp = strstr(cp, signed_off_by))) { |
93 | ||
94 | has_signoff = 1; | |
95 | ||
cf2251b6 | 96 | cp += strlen(signed_off_by); |
674d1727 | 97 | if (cp + signoff_len >= sb->buf + sb->len) |
fc1c75ec FBH |
98 | break; |
99 | if (strncmp(cp, signoff, signoff_len)) | |
100 | continue; | |
101 | if (!isspace(cp[signoff_len])) | |
102 | continue; | |
103 | /* we already have him */ | |
674d1727 | 104 | return; |
cf2251b6 JH |
105 | } |
106 | ||
fc1c75ec | 107 | if (!has_signoff) |
674d1727 | 108 | has_signoff = detect_any_signoff(sb->buf, sb->len); |
fc1c75ec FBH |
109 | |
110 | if (!has_signoff) | |
674d1727 | 111 | strbuf_addch(sb, '\n'); |
c35f4c37 | 112 | |
674d1727 PH |
113 | strbuf_addstr(sb, signed_off_by); |
114 | strbuf_add(sb, signoff, signoff_len); | |
115 | strbuf_addch(sb, '\n'); | |
cf2251b6 JH |
116 | } |
117 | ||
e00de24b JS |
118 | static unsigned int digits_in_number(unsigned int number) |
119 | { | |
120 | unsigned int i = 10, result = 1; | |
121 | while (i <= number) { | |
122 | i *= 10; | |
123 | result++; | |
124 | } | |
125 | return result; | |
126 | } | |
127 | ||
39bc9a6c | 128 | void show_log(struct rev_info *opt, const char *sep) |
91539833 | 129 | { |
674d1727 | 130 | struct strbuf msgbuf; |
39bc9a6c | 131 | struct log_info *log = opt->loginfo; |
91539833 LT |
132 | struct commit *commit = log->commit, *parent = log->parent; |
133 | int abbrev = opt->diffopt.abbrev; | |
134 | int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40; | |
a4d34e2d | 135 | const char *extra; |
20ff0680 | 136 | const char *subject = NULL, *extra_headers = opt->extra_headers; |
91539833 LT |
137 | |
138 | opt->loginfo = NULL; | |
139 | if (!opt->verbose_header) { | |
74bd9029 JH |
140 | if (opt->left_right) { |
141 | if (commit->object.flags & BOUNDARY) | |
142 | putchar('-'); | |
143 | else if (commit->object.flags & SYMMETRIC_LEFT) | |
144 | putchar('<'); | |
145 | else | |
146 | putchar('>'); | |
147 | } | |
c8c893c6 LT |
148 | fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout); |
149 | if (opt->parents) | |
150 | show_parents(commit, abbrev_commit); | |
ca135e7a | 151 | show_decorations(commit); |
1dcb6922 | 152 | putchar(opt->diffopt.line_termination); |
91539833 LT |
153 | return; |
154 | } | |
155 | ||
156 | /* | |
a4d34e2d LT |
157 | * The "oneline" format has several special cases: |
158 | * - The pretty-printed commit lacks a newline at the end | |
159 | * of the buffer, but we do want to make sure that we | |
160 | * have a newline there. If the separator isn't already | |
161 | * a newline, add an extra one. | |
162 | * - unlike other log messages, the one-line format does | |
163 | * not have an empty line between entries. | |
91539833 | 164 | */ |
a4d34e2d LT |
165 | extra = ""; |
166 | if (*sep != '\n' && opt->commit_format == CMIT_FMT_ONELINE) | |
167 | extra = "\n"; | |
91539833 | 168 | if (opt->shown_one && opt->commit_format != CMIT_FMT_ONELINE) |
abd4e222 | 169 | putchar(opt->diffopt.line_termination); |
91539833 LT |
170 | opt->shown_one = 1; |
171 | ||
172 | /* | |
173 | * Print header line of header.. | |
174 | */ | |
3eefc189 | 175 | |
596524b3 | 176 | if (opt->commit_format == CMIT_FMT_EMAIL) { |
698ce6f8 | 177 | char *sha1 = sha1_to_hex(commit->object.sha1); |
596524b3 JS |
178 | if (opt->total > 0) { |
179 | static char buffer[64]; | |
180 | snprintf(buffer, sizeof(buffer), | |
2d9e4a47 RJ |
181 | "Subject: [%s %0*d/%d] ", |
182 | opt->subject_prefix, | |
e00de24b | 183 | digits_in_number(opt->total), |
596524b3 JS |
184 | opt->nr, opt->total); |
185 | subject = buffer; | |
88c447e8 | 186 | } else if (opt->total == 0 && opt->subject_prefix && *opt->subject_prefix) { |
2d9e4a47 RJ |
187 | static char buffer[256]; |
188 | snprintf(buffer, sizeof(buffer), | |
189 | "Subject: [%s] ", | |
190 | opt->subject_prefix); | |
191 | subject = buffer; | |
192 | } else { | |
8ac80a57 | 193 | subject = "Subject: "; |
2d9e4a47 | 194 | } |
8ac80a57 | 195 | |
698ce6f8 | 196 | printf("From %s Mon Sep 17 00:00:00 2001\n", sha1); |
d1566f78 JT |
197 | if (opt->message_id) |
198 | printf("Message-Id: <%s>\n", opt->message_id); | |
199 | if (opt->ref_message_id) | |
200 | printf("In-Reply-To: <%s>\nReferences: <%s>\n", | |
201 | opt->ref_message_id, opt->ref_message_id); | |
698ce6f8 JS |
202 | if (opt->mime_boundary) { |
203 | static char subject_buffer[1024]; | |
204 | static char buffer[1024]; | |
205 | snprintf(subject_buffer, sizeof(subject_buffer) - 1, | |
20ff0680 | 206 | "%s" |
698ce6f8 | 207 | "MIME-Version: 1.0\n" |
33ee4cfb | 208 | "Content-Type: multipart/mixed;" |
698ce6f8 JS |
209 | " boundary=\"%s%s\"\n" |
210 | "\n" | |
211 | "This is a multi-part message in MIME " | |
212 | "format.\n" | |
213 | "--%s%s\n" | |
214 | "Content-Type: text/plain; " | |
215 | "charset=UTF-8; format=fixed\n" | |
216 | "Content-Transfer-Encoding: 8bit\n\n", | |
20ff0680 | 217 | extra_headers ? extra_headers : "", |
698ce6f8 JS |
218 | mime_boundary_leader, opt->mime_boundary, |
219 | mime_boundary_leader, opt->mime_boundary); | |
20ff0680 | 220 | extra_headers = subject_buffer; |
698ce6f8 JS |
221 | |
222 | snprintf(buffer, sizeof(buffer) - 1, | |
223 | "--%s%s\n" | |
33ee4cfb | 224 | "Content-Type: text/x-patch;" |
698ce6f8 JS |
225 | " name=\"%s.diff\"\n" |
226 | "Content-Transfer-Encoding: 8bit\n" | |
33ee4cfb | 227 | "Content-Disposition: %s;" |
698ce6f8 JS |
228 | " filename=\"%s.diff\"\n\n", |
229 | mime_boundary_leader, opt->mime_boundary, | |
c112f689 JS |
230 | sha1, |
231 | opt->no_inline ? "attachment" : "inline", | |
232 | sha1); | |
698ce6f8 JS |
233 | opt->diffopt.stat_sep = buffer; |
234 | } | |
e52a5de4 | 235 | } else if (opt->commit_format != CMIT_FMT_USERFORMAT) { |
74bd9029 JH |
236 | fputs(diff_get_color(opt->diffopt.color_diff, DIFF_COMMIT), |
237 | stdout); | |
238 | if (opt->commit_format != CMIT_FMT_ONELINE) | |
239 | fputs("commit ", stdout); | |
e330a406 LT |
240 | if (commit->object.flags & BOUNDARY) |
241 | putchar('-'); | |
242 | else if (opt->left_right) { | |
243 | if (commit->object.flags & SYMMETRIC_LEFT) | |
74bd9029 JH |
244 | putchar('<'); |
245 | else | |
246 | putchar('>'); | |
247 | } | |
248 | fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), | |
249 | stdout); | |
c66b6c06 JH |
250 | if (opt->parents) |
251 | show_parents(commit, abbrev_commit); | |
73f0a157 | 252 | if (parent) |
3eefc189 JH |
253 | printf(" (from %s)", |
254 | diff_unique_abbrev(parent->object.sha1, | |
255 | abbrev_commit)); | |
ca135e7a | 256 | show_decorations(commit); |
ce436973 JK |
257 | printf("%s", |
258 | diff_get_color(opt->diffopt.color_diff, DIFF_RESET)); | |
e557667e | 259 | putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n'); |
903b45fe | 260 | if (opt->reflog_info) { |
4d12a471 | 261 | show_reflog_message(opt->reflog_info, |
4e244cbc | 262 | opt->commit_format == CMIT_FMT_ONELINE, |
a7b02ccf | 263 | opt->date_mode); |
903b45fe NP |
264 | if (opt->commit_format == CMIT_FMT_ONELINE) { |
265 | printf("%s", sep); | |
266 | return; | |
267 | } | |
268 | } | |
3eefc189 | 269 | } |
91539833 LT |
270 | |
271 | /* | |
272 | * And then the pretty-printed message itself | |
273 | */ | |
674d1727 PH |
274 | strbuf_init(&msgbuf, 0); |
275 | pretty_print_commit(opt->commit_format, commit, &msgbuf, | |
276 | abbrev, subject, extra_headers, opt->date_mode); | |
cf2251b6 JH |
277 | |
278 | if (opt->add_signoff) | |
674d1727 | 279 | append_signoff(&msgbuf, opt->add_signoff); |
9fa3465d | 280 | if (opt->show_log_size) |
674d1727 | 281 | printf("log size %i\n", (int)msgbuf.len); |
9fa3465d | 282 | |
674d1727 PH |
283 | printf("%s%s%s", msgbuf.buf, extra, sep); |
284 | strbuf_release(&msgbuf); | |
91539833 LT |
285 | } |
286 | ||
cd2bdc53 | 287 | int log_tree_diff_flush(struct rev_info *opt) |
5f1c3f07 JH |
288 | { |
289 | diffcore_std(&opt->diffopt); | |
91539833 | 290 | |
5f1c3f07 JH |
291 | if (diff_queue_is_empty()) { |
292 | int saved_fmt = opt->diffopt.output_format; | |
293 | opt->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT; | |
294 | diff_flush(&opt->diffopt); | |
295 | opt->diffopt.output_format = saved_fmt; | |
296 | return 0; | |
297 | } | |
91539833 | 298 | |
3969cf7d JH |
299 | if (opt->loginfo && !opt->no_commit_id) { |
300 | /* When showing a verbose header (i.e. log message), | |
301 | * and not in --pretty=oneline format, we would want | |
302 | * an extra newline between the end of log and the | |
303 | * output for readability. | |
304 | */ | |
39bc9a6c | 305 | show_log(opt, opt->diffopt.msg_sep); |
3969cf7d JH |
306 | if (opt->verbose_header && |
307 | opt->commit_format != CMIT_FMT_ONELINE) { | |
308 | int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH; | |
309 | if ((pch & opt->diffopt.output_format) == pch) | |
abd4e222 LT |
310 | printf("---"); |
311 | putchar('\n'); | |
3969cf7d JH |
312 | } |
313 | } | |
5f1c3f07 JH |
314 | diff_flush(&opt->diffopt); |
315 | return 1; | |
316 | } | |
317 | ||
cd2bdc53 | 318 | static int do_diff_combined(struct rev_info *opt, struct commit *commit) |
5f1c3f07 JH |
319 | { |
320 | unsigned const char *sha1 = commit->object.sha1; | |
321 | ||
91539833 LT |
322 | diff_tree_combined_merge(sha1, opt->dense_combined_merges, opt); |
323 | return !opt->loginfo; | |
5f1c3f07 JH |
324 | } |
325 | ||
91539833 LT |
326 | /* |
327 | * Show the diff of a commit. | |
328 | * | |
329 | * Return true if we printed any log info messages | |
330 | */ | |
331 | static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log_info *log) | |
5f1c3f07 | 332 | { |
91539833 | 333 | int showed_log; |
5f1c3f07 JH |
334 | struct commit_list *parents; |
335 | unsigned const char *sha1 = commit->object.sha1; | |
336 | ||
91539833 LT |
337 | if (!opt->diff) |
338 | return 0; | |
339 | ||
5f1c3f07 | 340 | /* Root commit? */ |
91539833 LT |
341 | parents = commit->parents; |
342 | if (!parents) { | |
2b60356d RS |
343 | if (opt->show_root_diff) { |
344 | diff_root_tree_sha1(sha1, "", &opt->diffopt); | |
345 | log_tree_diff_flush(opt); | |
346 | } | |
91539833 | 347 | return !opt->loginfo; |
5f1c3f07 JH |
348 | } |
349 | ||
350 | /* More than one parent? */ | |
91539833 | 351 | if (parents && parents->next) { |
5f1c3f07 JH |
352 | if (opt->ignore_merges) |
353 | return 0; | |
354 | else if (opt->combine_merges) | |
355 | return do_diff_combined(opt, commit); | |
91539833 LT |
356 | |
357 | /* If we show individual diffs, show the parent info */ | |
358 | log->parent = parents->item; | |
5f1c3f07 JH |
359 | } |
360 | ||
91539833 LT |
361 | showed_log = 0; |
362 | for (;;) { | |
5f1c3f07 | 363 | struct commit *parent = parents->item; |
5f1c3f07 | 364 | |
91539833 LT |
365 | diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt); |
366 | log_tree_diff_flush(opt); | |
367 | ||
368 | showed_log |= !opt->loginfo; | |
369 | ||
370 | /* Set up the log info for the next parent, if any.. */ | |
371 | parents = parents->next; | |
372 | if (!parents) | |
373 | break; | |
374 | log->parent = parents->item; | |
375 | opt->loginfo = log; | |
376 | } | |
377 | return showed_log; | |
378 | } | |
379 | ||
380 | int log_tree_commit(struct rev_info *opt, struct commit *commit) | |
381 | { | |
382 | struct log_info log; | |
3eefc189 | 383 | int shown; |
91539833 LT |
384 | |
385 | log.commit = commit; | |
386 | log.parent = NULL; | |
387 | opt->loginfo = &log; | |
388 | ||
3eefc189 JH |
389 | shown = log_tree_diff(opt, commit, &log); |
390 | if (!shown && opt->loginfo && opt->always_show_header) { | |
91539833 | 391 | log.parent = NULL; |
39bc9a6c | 392 | show_log(opt, ""); |
3eefc189 | 393 | shown = 1; |
5f1c3f07 | 394 | } |
91539833 | 395 | opt->loginfo = NULL; |
06f59e9f | 396 | maybe_flush_or_die(stdout, "stdout"); |
3eefc189 | 397 | return shown; |
5f1c3f07 | 398 | } |