clone: Make the 'junk_mode' symbol a file static
[git/git-svn.git] / builtin / shortlog.c
blob240bff3efa80b3af087fe1e6c16a75108ffee4de
1 #include "builtin.h"
2 #include "cache.h"
3 #include "commit.h"
4 #include "diff.h"
5 #include "string-list.h"
6 #include "revision.h"
7 #include "utf8.h"
8 #include "mailmap.h"
9 #include "shortlog.h"
10 #include "parse-options.h"
12 static char const * const shortlog_usage[] = {
13 N_("git shortlog [-n] [-s] [-e] [-w] [rev-opts] [--] [<commit-id>... ]"),
14 "",
15 N_("[rev-opts] are documented in git-rev-list(1)"),
16 NULL
19 static int compare_by_number(const void *a1, const void *a2)
21 const struct string_list_item *i1 = a1, *i2 = a2;
22 const struct string_list *l1 = i1->util, *l2 = i2->util;
24 if (l1->nr < l2->nr)
25 return 1;
26 else if (l1->nr == l2->nr)
27 return 0;
28 else
29 return -1;
32 static void insert_one_record(struct shortlog *log,
33 const char *author,
34 const char *oneline)
36 const char *dot3 = log->common_repo_prefix;
37 char *buffer, *p;
38 struct string_list_item *item;
39 const char *mailbuf, *namebuf;
40 size_t namelen, maillen;
41 const char *eol;
42 struct strbuf subject = STRBUF_INIT;
43 struct strbuf namemailbuf = STRBUF_INIT;
44 struct ident_split ident;
46 if (split_ident_line(&ident, author, strlen(author)))
47 return;
49 namebuf = ident.name_begin;
50 mailbuf = ident.mail_begin;
51 namelen = ident.name_end - ident.name_begin;
52 maillen = ident.mail_end - ident.mail_begin;
54 map_user(&log->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
55 strbuf_add(&namemailbuf, namebuf, namelen);
57 if (log->email)
58 strbuf_addf(&namemailbuf, " <%.*s>", (int)maillen, mailbuf);
60 item = string_list_insert(&log->list, namemailbuf.buf);
61 if (item->util == NULL)
62 item->util = xcalloc(1, sizeof(struct string_list));
64 /* Skip any leading whitespace, including any blank lines. */
65 while (*oneline && isspace(*oneline))
66 oneline++;
67 eol = strchr(oneline, '\n');
68 if (!eol)
69 eol = oneline + strlen(oneline);
70 if (!prefixcmp(oneline, "[PATCH")) {
71 char *eob = strchr(oneline, ']');
72 if (eob && (!eol || eob < eol))
73 oneline = eob + 1;
75 while (*oneline && isspace(*oneline) && *oneline != '\n')
76 oneline++;
77 format_subject(&subject, oneline, " ");
78 buffer = strbuf_detach(&subject, NULL);
80 if (dot3) {
81 int dot3len = strlen(dot3);
82 if (dot3len > 5) {
83 while ((p = strstr(buffer, dot3)) != NULL) {
84 int taillen = strlen(p) - dot3len;
85 memcpy(p, "/.../", 5);
86 memmove(p + 5, p + dot3len, taillen + 1);
91 string_list_append(item->util, buffer);
94 static void read_from_stdin(struct shortlog *log)
96 char author[1024], oneline[1024];
98 while (fgets(author, sizeof(author), stdin) != NULL) {
99 if (!(author[0] == 'A' || author[0] == 'a') ||
100 prefixcmp(author + 1, "uthor: "))
101 continue;
102 while (fgets(oneline, sizeof(oneline), stdin) &&
103 oneline[0] != '\n')
104 ; /* discard headers */
105 while (fgets(oneline, sizeof(oneline), stdin) &&
106 oneline[0] == '\n')
107 ; /* discard blanks */
108 insert_one_record(log, author + 8, oneline);
112 void shortlog_add_commit(struct shortlog *log, struct commit *commit)
114 const char *author = NULL, *buffer;
115 struct strbuf buf = STRBUF_INIT;
116 struct strbuf ufbuf = STRBUF_INIT;
118 pp_commit_easy(CMIT_FMT_RAW, commit, &buf);
119 buffer = buf.buf;
120 while (*buffer && *buffer != '\n') {
121 const char *eol = strchr(buffer, '\n');
123 if (eol == NULL)
124 eol = buffer + strlen(buffer);
125 else
126 eol++;
128 if (!prefixcmp(buffer, "author "))
129 author = buffer + 7;
130 buffer = eol;
132 if (!author)
133 die(_("Missing author: %s"),
134 sha1_to_hex(commit->object.sha1));
135 if (log->user_format) {
136 struct pretty_print_context ctx = {0};
137 ctx.fmt = CMIT_FMT_USERFORMAT;
138 ctx.abbrev = log->abbrev;
139 ctx.subject = "";
140 ctx.after_subject = "";
141 ctx.date_mode = DATE_NORMAL;
142 pretty_print_commit(&ctx, commit, &ufbuf);
143 buffer = ufbuf.buf;
144 } else if (*buffer) {
145 buffer++;
147 insert_one_record(log, author, !*buffer ? "<none>" : buffer);
148 strbuf_release(&ufbuf);
149 strbuf_release(&buf);
152 static void get_from_rev(struct rev_info *rev, struct shortlog *log)
154 struct commit *commit;
156 if (prepare_revision_walk(rev))
157 die(_("revision walk setup failed"));
158 while ((commit = get_revision(rev)) != NULL)
159 shortlog_add_commit(log, commit);
162 static int parse_uint(char const **arg, int comma, int defval)
164 unsigned long ul;
165 int ret;
166 char *endp;
168 ul = strtoul(*arg, &endp, 10);
169 if (*endp && *endp != comma)
170 return -1;
171 if (ul > INT_MAX)
172 return -1;
173 ret = *arg == endp ? defval : (int)ul;
174 *arg = *endp ? endp + 1 : endp;
175 return ret;
178 static const char wrap_arg_usage[] = "-w[<width>[,<indent1>[,<indent2>]]]";
179 #define DEFAULT_WRAPLEN 76
180 #define DEFAULT_INDENT1 6
181 #define DEFAULT_INDENT2 9
183 static int parse_wrap_args(const struct option *opt, const char *arg, int unset)
185 struct shortlog *log = opt->value;
187 log->wrap_lines = !unset;
188 if (unset)
189 return 0;
190 if (!arg) {
191 log->wrap = DEFAULT_WRAPLEN;
192 log->in1 = DEFAULT_INDENT1;
193 log->in2 = DEFAULT_INDENT2;
194 return 0;
197 log->wrap = parse_uint(&arg, ',', DEFAULT_WRAPLEN);
198 log->in1 = parse_uint(&arg, ',', DEFAULT_INDENT1);
199 log->in2 = parse_uint(&arg, '\0', DEFAULT_INDENT2);
200 if (log->wrap < 0 || log->in1 < 0 || log->in2 < 0)
201 return error(wrap_arg_usage);
202 if (log->wrap &&
203 ((log->in1 && log->wrap <= log->in1) ||
204 (log->in2 && log->wrap <= log->in2)))
205 return error(wrap_arg_usage);
206 return 0;
209 void shortlog_init(struct shortlog *log)
211 memset(log, 0, sizeof(*log));
213 read_mailmap(&log->mailmap, &log->common_repo_prefix);
215 log->list.strdup_strings = 1;
216 log->wrap = DEFAULT_WRAPLEN;
217 log->in1 = DEFAULT_INDENT1;
218 log->in2 = DEFAULT_INDENT2;
221 int cmd_shortlog(int argc, const char **argv, const char *prefix)
223 static struct shortlog log;
224 static struct rev_info rev;
225 int nongit = !startup_info->have_repository;
227 static const struct option options[] = {
228 OPT_BOOLEAN('n', "numbered", &log.sort_by_number,
229 N_("sort output according to the number of commits per author")),
230 OPT_BOOLEAN('s', "summary", &log.summary,
231 N_("Suppress commit descriptions, only provides commit count")),
232 OPT_BOOLEAN('e', "email", &log.email,
233 N_("Show the email address of each author")),
234 { OPTION_CALLBACK, 'w', NULL, &log, N_("w[,i1[,i2]]"),
235 N_("Linewrap output"), PARSE_OPT_OPTARG, &parse_wrap_args },
236 OPT_END(),
239 struct parse_opt_ctx_t ctx;
241 git_config(git_default_config, NULL);
242 shortlog_init(&log);
243 init_revisions(&rev, prefix);
244 parse_options_start(&ctx, argc, argv, prefix, options,
245 PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
247 for (;;) {
248 switch (parse_options_step(&ctx, options, shortlog_usage)) {
249 case PARSE_OPT_HELP:
250 exit(129);
251 case PARSE_OPT_DONE:
252 goto parse_done;
254 parse_revision_opt(&rev, &ctx, options, shortlog_usage);
256 parse_done:
257 argc = parse_options_end(&ctx);
259 if (setup_revisions(argc, argv, &rev, NULL) != 1) {
260 error(_("unrecognized argument: %s"), argv[1]);
261 usage_with_options(shortlog_usage, options);
264 log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT;
265 log.abbrev = rev.abbrev;
267 /* assume HEAD if from a tty */
268 if (!nongit && !rev.pending.nr && isatty(0))
269 add_head_to_pending(&rev);
270 if (rev.pending.nr == 0) {
271 if (isatty(0))
272 fprintf(stderr, _("(reading log message from standard input)\n"));
273 read_from_stdin(&log);
275 else
276 get_from_rev(&rev, &log);
278 shortlog_output(&log);
279 return 0;
282 static void add_wrapped_shortlog_msg(struct strbuf *sb, const char *s,
283 const struct shortlog *log)
285 strbuf_add_wrapped_text(sb, s, log->in1, log->in2, log->wrap);
286 strbuf_addch(sb, '\n');
289 void shortlog_output(struct shortlog *log)
291 int i, j;
292 struct strbuf sb = STRBUF_INIT;
294 if (log->sort_by_number)
295 qsort(log->list.items, log->list.nr, sizeof(struct string_list_item),
296 compare_by_number);
297 for (i = 0; i < log->list.nr; i++) {
298 struct string_list *onelines = log->list.items[i].util;
300 if (log->summary) {
301 printf("%6d\t%s\n", onelines->nr, log->list.items[i].string);
302 } else {
303 printf("%s (%d):\n", log->list.items[i].string, onelines->nr);
304 for (j = onelines->nr - 1; j >= 0; j--) {
305 const char *msg = onelines->items[j].string;
307 if (log->wrap_lines) {
308 strbuf_reset(&sb);
309 add_wrapped_shortlog_msg(&sb, msg, log);
310 fwrite(sb.buf, sb.len, 1, stdout);
312 else
313 printf(" %s\n", msg);
315 putchar('\n');
318 onelines->strdup_strings = 1;
319 string_list_clear(onelines, 0);
320 free(onelines);
321 log->list.items[i].util = NULL;
324 strbuf_release(&sb);
325 log->list.strdup_strings = 1;
326 string_list_clear(&log->list, 1);
327 clear_mailmap(&log->mailmap);