5 #include "reflog-walk.h"
7 static void show_parents(struct commit *commit, int abbrev)
10 for (p = commit->parents; p ; p = p->next) {
11 struct commit *parent = p->item;
12 printf(" %s", diff_unique_abbrev(parent->object.sha1, abbrev));
17 * Search for "^[-A-Za-z]+: [^@]+@" pattern. It usually matches
18 * Signed-off-by: and Acked-by: lines.
20 static int detect_any_signoff(char *letter, int size)
29 while (letter <= --cp && (ch = *cp) == '\n')
32 while (letter <= cp) {
51 if (('A' <= ch && ch <= 'Z') ||
52 ('a' <= ch && ch <= 'z') ||
57 /* no empty last line doesn't match */
60 return seen_head && seen_name;
63 static int append_signoff(char *buf, int buf_sz, int at, const char *signoff)
65 static const char signed_off_by[] = "Signed-off-by: ";
66 int signoff_len = strlen(signoff);
70 /* Do we have enough space to add it? */
71 if (buf_sz - at <= strlen(signed_off_by) + signoff_len + 3)
74 /* First see if we already have the sign-off by the signer */
75 while ((cp = strstr(cp, signed_off_by))) {
79 cp += strlen(signed_off_by);
80 if (cp + signoff_len >= buf + at)
82 if (strncmp(cp, signoff, signoff_len))
84 if (!isspace(cp[signoff_len]))
86 /* we already have him */
91 has_signoff = detect_any_signoff(buf, at);
96 strcpy(buf + at, signed_off_by);
97 at += strlen(signed_off_by);
98 strcpy(buf + at, signoff);
105 void show_log(struct rev_info *opt, const char *sep)
107 static char this_header[16384];
108 struct log_info *log = opt->loginfo;
109 struct commit *commit = log->commit, *parent = log->parent;
110 int abbrev = opt->diffopt.abbrev;
111 int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40;
114 const char *subject = NULL, *extra_headers = opt->extra_headers;
117 if (!opt->verbose_header) {
118 if (opt->left_right) {
119 if (commit->object.flags & BOUNDARY)
121 else if (commit->object.flags & SYMMETRIC_LEFT)
126 fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit), stdout);
128 show_parents(commit, abbrev_commit);
129 putchar(opt->diffopt.line_termination);
134 * The "oneline" format has several special cases:
135 * - The pretty-printed commit lacks a newline at the end
136 * of the buffer, but we do want to make sure that we
137 * have a newline there. If the separator isn't already
138 * a newline, add an extra one.
139 * - unlike other log messages, the one-line format does
140 * not have an empty line between entries.
143 if (*sep != '\n' && opt->commit_format == CMIT_FMT_ONELINE)
145 if (opt->shown_one && opt->commit_format != CMIT_FMT_ONELINE)
150 * Print header line of header..
153 if (opt->commit_format == CMIT_FMT_EMAIL) {
154 char *sha1 = sha1_to_hex(commit->object.sha1);
155 if (opt->total > 0) {
156 static char buffer[64];
157 snprintf(buffer, sizeof(buffer),
158 "Subject: [PATCH %d/%d] ",
159 opt->nr, opt->total);
161 } else if (opt->total == 0)
162 subject = "Subject: [PATCH] ";
164 subject = "Subject: ";
166 printf("From %s Mon Sep 17 00:00:00 2001\n", sha1);
168 printf("Message-Id: <%s>\n", opt->message_id);
169 if (opt->ref_message_id)
170 printf("In-Reply-To: <%s>\nReferences: <%s>\n",
171 opt->ref_message_id, opt->ref_message_id);
172 if (opt->mime_boundary) {
173 static char subject_buffer[1024];
174 static char buffer[1024];
175 snprintf(subject_buffer, sizeof(subject_buffer) - 1,
177 "MIME-Version: 1.0\n"
178 "Content-Type: multipart/mixed;\n"
179 " boundary=\"%s%s\"\n"
181 "This is a multi-part message in MIME "
184 "Content-Type: text/plain; "
185 "charset=UTF-8; format=fixed\n"
186 "Content-Transfer-Encoding: 8bit\n\n",
187 extra_headers ? extra_headers : "",
188 mime_boundary_leader, opt->mime_boundary,
189 mime_boundary_leader, opt->mime_boundary);
190 extra_headers = subject_buffer;
192 snprintf(buffer, sizeof(buffer) - 1,
194 "Content-Type: text/x-patch;\n"
195 " name=\"%s.diff\"\n"
196 "Content-Transfer-Encoding: 8bit\n"
197 "Content-Disposition: inline;\n"
198 " filename=\"%s.diff\"\n\n",
199 mime_boundary_leader, opt->mime_boundary,
201 opt->diffopt.stat_sep = buffer;
204 fputs(diff_get_color(opt->diffopt.color_diff, DIFF_COMMIT),
206 if (opt->commit_format != CMIT_FMT_ONELINE)
207 fputs("commit ", stdout);
208 if (opt->left_right) {
209 if (commit->object.flags & BOUNDARY)
211 else if (commit->object.flags & SYMMETRIC_LEFT)
216 fputs(diff_unique_abbrev(commit->object.sha1, abbrev_commit),
219 show_parents(commit, abbrev_commit);
222 diff_unique_abbrev(parent->object.sha1,
225 diff_get_color(opt->diffopt.color_diff, DIFF_RESET));
226 putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n');
227 if (opt->reflog_info) {
228 show_reflog_message(opt->reflog_info,
229 opt->commit_format == CMIT_FMT_ONELINE);;
230 if (opt->commit_format == CMIT_FMT_ONELINE) {
238 * And then the pretty-printed message itself
240 len = pretty_print_commit(opt->commit_format, commit, ~0u, this_header,
241 sizeof(this_header), abbrev, subject,
242 extra_headers, opt->relative_date);
244 if (opt->add_signoff)
245 len = append_signoff(this_header, sizeof(this_header), len,
247 printf("%s%s%s", this_header, extra, sep);
250 int log_tree_diff_flush(struct rev_info *opt)
252 diffcore_std(&opt->diffopt);
254 if (diff_queue_is_empty()) {
255 int saved_fmt = opt->diffopt.output_format;
256 opt->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
257 diff_flush(&opt->diffopt);
258 opt->diffopt.output_format = saved_fmt;
262 if (opt->loginfo && !opt->no_commit_id) {
263 /* When showing a verbose header (i.e. log message),
264 * and not in --pretty=oneline format, we would want
265 * an extra newline between the end of log and the
266 * output for readability.
268 show_log(opt, opt->diffopt.msg_sep);
269 if (opt->verbose_header &&
270 opt->commit_format != CMIT_FMT_ONELINE) {
271 int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
272 if ((pch & opt->diffopt.output_format) == pch)
273 printf("---%c", opt->diffopt.line_termination);
275 putchar(opt->diffopt.line_termination);
278 diff_flush(&opt->diffopt);
282 static int do_diff_combined(struct rev_info *opt, struct commit *commit)
284 unsigned const char *sha1 = commit->object.sha1;
286 diff_tree_combined_merge(sha1, opt->dense_combined_merges, opt);
287 return !opt->loginfo;
291 * Show the diff of a commit.
293 * Return true if we printed any log info messages
295 static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log_info *log)
298 struct commit_list *parents;
299 unsigned const char *sha1 = commit->object.sha1;
305 parents = commit->parents;
307 if (opt->show_root_diff) {
308 diff_root_tree_sha1(sha1, "", &opt->diffopt);
309 log_tree_diff_flush(opt);
311 return !opt->loginfo;
314 /* More than one parent? */
315 if (parents && parents->next) {
316 if (opt->ignore_merges)
318 else if (opt->combine_merges)
319 return do_diff_combined(opt, commit);
321 /* If we show individual diffs, show the parent info */
322 log->parent = parents->item;
327 struct commit *parent = parents->item;
329 diff_tree_sha1(parent->object.sha1, sha1, "", &opt->diffopt);
330 log_tree_diff_flush(opt);
332 showed_log |= !opt->loginfo;
334 /* Set up the log info for the next parent, if any.. */
335 parents = parents->next;
338 log->parent = parents->item;
344 int log_tree_commit(struct rev_info *opt, struct commit *commit)
353 shown = log_tree_diff(opt, commit, &log);
354 if (!shown && opt->loginfo && opt->always_show_header) {