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Commit | Line | Data |
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b8ec5923 JS |
1 | #include "builtin.h" |
2 | #include "cache.h" | |
3 | #include "commit.h" | |
4 | #include "diff.h" | |
c455c87c | 5 | #include "string-list.h" |
b8ec5923 | 6 | #include "revision.h" |
3714e7c8 | 7 | #include "utf8.h" |
7c1c6782 | 8 | #include "mailmap.h" |
552bcac3 | 9 | #include "shortlog.h" |
14ec9cbd | 10 | #include "parse-options.h" |
b8ec5923 | 11 | |
14ec9cbd | 12 | static char const * const shortlog_usage[] = { |
588c038a | 13 | "git shortlog [-n] [-s] [-e] [-w] [rev-opts] [--] [<commit-id>... ]", |
14ec9cbd PH |
14 | "", |
15 | "[rev-opts] are documented in git-rev-list(1)", | |
16 | NULL | |
17 | }; | |
b8ec5923 JS |
18 | |
19 | static int compare_by_number(const void *a1, const void *a2) | |
20 | { | |
c455c87c JS |
21 | const struct string_list_item *i1 = a1, *i2 = a2; |
22 | const struct string_list *l1 = i1->util, *l2 = i2->util; | |
b8ec5923 JS |
23 | |
24 | if (l1->nr < l2->nr) | |
6d6ab610 | 25 | return 1; |
b8ec5923 JS |
26 | else if (l1->nr == l2->nr) |
27 | return 0; | |
28 | else | |
6d6ab610 | 29 | return -1; |
b8ec5923 JS |
30 | } |
31 | ||
cec08717 RS |
32 | const char *format_subject(struct strbuf *sb, const char *msg, |
33 | const char *line_separator); | |
34 | ||
552bcac3 | 35 | static void insert_one_record(struct shortlog *log, |
1e931cb4 JH |
36 | const char *author, |
37 | const char *oneline) | |
b8ec5923 | 38 | { |
552bcac3 | 39 | const char *dot3 = log->common_repo_prefix; |
b8ec5923 | 40 | char *buffer, *p; |
c455c87c | 41 | struct string_list_item *item; |
1e931cb4 JH |
42 | char namebuf[1024]; |
43 | size_t len; | |
44 | const char *eol; | |
45 | const char *boemail, *eoemail; | |
cec08717 | 46 | struct strbuf subject = STRBUF_INIT; |
1e931cb4 JH |
47 | |
48 | boemail = strchr(author, '<'); | |
49 | if (!boemail) | |
50 | return; | |
51 | eoemail = strchr(boemail, '>'); | |
52 | if (!eoemail) | |
53 | return; | |
552bcac3 | 54 | if (!map_email(&log->mailmap, boemail+1, namebuf, sizeof(namebuf))) { |
1e931cb4 JH |
55 | while (author < boemail && isspace(*author)) |
56 | author++; | |
57 | for (len = 0; | |
58 | len < sizeof(namebuf) - 1 && author + len < boemail; | |
59 | len++) | |
60 | namebuf[len] = author[len]; | |
61 | while (0 < len && isspace(namebuf[len-1])) | |
62 | len--; | |
63 | namebuf[len] = '\0'; | |
64 | } | |
4602c17d JH |
65 | else |
66 | len = strlen(namebuf); | |
67 | ||
552bcac3 | 68 | if (log->email) { |
4602c17d JH |
69 | size_t room = sizeof(namebuf) - len - 1; |
70 | int maillen = eoemail - boemail + 1; | |
71 | snprintf(namebuf + len, room, " %.*s", maillen, boemail); | |
72 | } | |
b8ec5923 | 73 | |
fe73fc1a | 74 | item = string_list_insert(namebuf, &log->list); |
b8ec5923 | 75 | if (item->util == NULL) |
c455c87c | 76 | item->util = xcalloc(1, sizeof(struct string_list)); |
b8ec5923 | 77 | |
c1ce83a5 AW |
78 | /* Skip any leading whitespace, including any blank lines. */ |
79 | while (*oneline && isspace(*oneline)) | |
80 | oneline++; | |
1e931cb4 JH |
81 | eol = strchr(oneline, '\n'); |
82 | if (!eol) | |
83 | eol = oneline + strlen(oneline); | |
cc44c765 | 84 | if (!prefixcmp(oneline, "[PATCH")) { |
72019cde | 85 | char *eob = strchr(oneline, ']'); |
1e931cb4 JH |
86 | if (eob && (!eol || eob < eol)) |
87 | oneline = eob + 1; | |
b8ec5923 | 88 | } |
1e931cb4 | 89 | while (*oneline && isspace(*oneline) && *oneline != '\n') |
b8ec5923 | 90 | oneline++; |
1e931cb4 | 91 | len = eol - oneline; |
cec08717 RS |
92 | format_subject(&subject, oneline, " "); |
93 | buffer = strbuf_detach(&subject, NULL); | |
b8ec5923 | 94 | |
c95044d4 JH |
95 | if (dot3) { |
96 | int dot3len = strlen(dot3); | |
97 | if (dot3len > 5) { | |
98 | while ((p = strstr(buffer, dot3)) != NULL) { | |
99 | int taillen = strlen(p) - dot3len; | |
100 | memcpy(p, "/.../", 5); | |
101 | memmove(p + 5, p + dot3len, taillen + 1); | |
102 | } | |
103 | } | |
b8ec5923 JS |
104 | } |
105 | ||
fe73fc1a | 106 | string_list_append(buffer, item->util); |
b8ec5923 JS |
107 | } |
108 | ||
552bcac3 | 109 | static void read_from_stdin(struct shortlog *log) |
b8ec5923 | 110 | { |
1e931cb4 JH |
111 | char author[1024], oneline[1024]; |
112 | ||
113 | while (fgets(author, sizeof(author), stdin) != NULL) { | |
114 | if (!(author[0] == 'A' || author[0] == 'a') || | |
115 | prefixcmp(author + 1, "uthor: ")) | |
116 | continue; | |
117 | while (fgets(oneline, sizeof(oneline), stdin) && | |
118 | oneline[0] != '\n') | |
119 | ; /* discard headers */ | |
120 | while (fgets(oneline, sizeof(oneline), stdin) && | |
121 | oneline[0] == '\n') | |
122 | ; /* discard blanks */ | |
552bcac3 | 123 | insert_one_record(log, author + 8, oneline); |
b8ec5923 JS |
124 | } |
125 | } | |
126 | ||
552bcac3 | 127 | void shortlog_add_commit(struct shortlog *log, struct commit *commit) |
b8ec5923 | 128 | { |
552bcac3 | 129 | const char *author = NULL, *buffer; |
b8ec5923 | 130 | |
552bcac3 DB |
131 | buffer = commit->buffer; |
132 | while (*buffer && *buffer != '\n') { | |
133 | const char *eol = strchr(buffer, '\n'); | |
b8ec5923 | 134 | |
552bcac3 DB |
135 | if (eol == NULL) |
136 | eol = buffer + strlen(buffer); | |
137 | else | |
138 | eol++; | |
b8ec5923 | 139 | |
552bcac3 DB |
140 | if (!prefixcmp(buffer, "author ")) |
141 | author = buffer + 7; | |
142 | buffer = eol; | |
b8ec5923 | 143 | } |
552bcac3 DB |
144 | if (!author) |
145 | die("Missing author: %s", | |
146 | sha1_to_hex(commit->object.sha1)); | |
b526f8ed JS |
147 | if (log->user_format) { |
148 | struct strbuf buf = STRBUF_INIT; | |
149 | ||
150 | pretty_print_commit(CMIT_FMT_USERFORMAT, commit, &buf, | |
151 | DEFAULT_ABBREV, "", "", DATE_NORMAL, 0); | |
152 | insert_one_record(log, author, buf.buf); | |
153 | strbuf_release(&buf); | |
154 | return; | |
155 | } | |
552bcac3 DB |
156 | if (*buffer) |
157 | buffer++; | |
158 | insert_one_record(log, author, !*buffer ? "<none>" : buffer); | |
159 | } | |
160 | ||
161 | static void get_from_rev(struct rev_info *rev, struct shortlog *log) | |
162 | { | |
163 | struct commit *commit; | |
164 | ||
165 | if (prepare_revision_walk(rev)) | |
166 | die("revision walk setup failed"); | |
167 | while ((commit = get_revision(rev)) != NULL) | |
168 | shortlog_add_commit(log, commit); | |
b8ec5923 JS |
169 | } |
170 | ||
14ec9cbd | 171 | static int parse_uint(char const **arg, int comma, int defval) |
3d711d97 JH |
172 | { |
173 | unsigned long ul; | |
174 | int ret; | |
175 | char *endp; | |
176 | ||
177 | ul = strtoul(*arg, &endp, 10); | |
14ec9cbd | 178 | if (*endp && *endp != comma) |
3d711d97 | 179 | return -1; |
14ec9cbd | 180 | if (ul > INT_MAX) |
3d711d97 | 181 | return -1; |
14ec9cbd PH |
182 | ret = *arg == endp ? defval : (int)ul; |
183 | *arg = *endp ? endp + 1 : endp; | |
3d711d97 JH |
184 | return ret; |
185 | } | |
186 | ||
187 | static const char wrap_arg_usage[] = "-w[<width>[,<indent1>[,<indent2>]]]"; | |
188 | #define DEFAULT_WRAPLEN 76 | |
189 | #define DEFAULT_INDENT1 6 | |
190 | #define DEFAULT_INDENT2 9 | |
191 | ||
14ec9cbd | 192 | static int parse_wrap_args(const struct option *opt, const char *arg, int unset) |
3d711d97 | 193 | { |
14ec9cbd PH |
194 | struct shortlog *log = opt->value; |
195 | ||
196 | log->wrap_lines = !unset; | |
197 | if (unset) | |
198 | return 0; | |
199 | if (!arg) { | |
200 | log->wrap = DEFAULT_WRAPLEN; | |
201 | log->in1 = DEFAULT_INDENT1; | |
202 | log->in2 = DEFAULT_INDENT2; | |
203 | return 0; | |
204 | } | |
205 | ||
206 | log->wrap = parse_uint(&arg, ',', DEFAULT_WRAPLEN); | |
207 | log->in1 = parse_uint(&arg, ',', DEFAULT_INDENT1); | |
208 | log->in2 = parse_uint(&arg, '\0', DEFAULT_INDENT2); | |
209 | if (log->wrap < 0 || log->in1 < 0 || log->in2 < 0) | |
210 | return error(wrap_arg_usage); | |
211 | if (log->wrap && | |
212 | ((log->in1 && log->wrap <= log->in1) || | |
213 | (log->in2 && log->wrap <= log->in2))) | |
214 | return error(wrap_arg_usage); | |
215 | return 0; | |
3d711d97 JH |
216 | } |
217 | ||
552bcac3 DB |
218 | void shortlog_init(struct shortlog *log) |
219 | { | |
220 | memset(log, 0, sizeof(*log)); | |
221 | ||
222 | read_mailmap(&log->mailmap, ".mailmap", &log->common_repo_prefix); | |
223 | ||
c455c87c | 224 | log->list.strdup_strings = 1; |
552bcac3 DB |
225 | log->wrap = DEFAULT_WRAPLEN; |
226 | log->in1 = DEFAULT_INDENT1; | |
227 | log->in2 = DEFAULT_INDENT2; | |
228 | } | |
229 | ||
b8ec5923 JS |
230 | int cmd_shortlog(int argc, const char **argv, const char *prefix) |
231 | { | |
14ec9cbd PH |
232 | static struct shortlog log; |
233 | static struct rev_info rev; | |
abe549e1 | 234 | int nongit; |
552bcac3 | 235 | |
14ec9cbd PH |
236 | static const struct option options[] = { |
237 | OPT_BOOLEAN('n', "numbered", &log.sort_by_number, | |
238 | "sort output according to the number of commits per author"), | |
239 | OPT_BOOLEAN('s', "summary", &log.summary, | |
240 | "Suppress commit descriptions, only provides commit count"), | |
241 | OPT_BOOLEAN('e', "email", &log.email, | |
242 | "Show the email address of each author"), | |
243 | { OPTION_CALLBACK, 'w', NULL, &log, "w[,i1[,i2]]", | |
244 | "Linewrap output", PARSE_OPT_OPTARG, &parse_wrap_args }, | |
245 | OPT_END(), | |
246 | }; | |
247 | ||
248 | struct parse_opt_ctx_t ctx; | |
249 | ||
abe549e1 | 250 | prefix = setup_git_directory_gently(&nongit); |
552bcac3 | 251 | shortlog_init(&log); |
14ec9cbd PH |
252 | init_revisions(&rev, prefix); |
253 | parse_options_start(&ctx, argc, argv, PARSE_OPT_KEEP_DASHDASH | | |
254 | PARSE_OPT_KEEP_ARGV0); | |
255 | ||
256 | for (;;) { | |
14ec9cbd PH |
257 | switch (parse_options_step(&ctx, options, shortlog_usage)) { |
258 | case PARSE_OPT_HELP: | |
259 | exit(129); | |
260 | case PARSE_OPT_DONE: | |
261 | goto parse_done; | |
3d711d97 | 262 | } |
6b61ec05 | 263 | parse_revision_opt(&rev, &ctx, options, shortlog_usage); |
14ec9cbd PH |
264 | } |
265 | parse_done: | |
266 | argc = parse_options_end(&ctx); | |
267 | ||
268 | if (setup_revisions(argc, argv, &rev, NULL) != 1) { | |
269 | error("unrecognized argument: %s", argv[1]); | |
270 | usage_with_options(shortlog_usage, options); | |
b8ec5923 JS |
271 | } |
272 | ||
b526f8ed JS |
273 | log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT; |
274 | ||
3384a2df | 275 | /* assume HEAD if from a tty */ |
abe549e1 | 276 | if (!nongit && !rev.pending.nr && isatty(0)) |
3384a2df | 277 | add_head_to_pending(&rev); |
0497c620 | 278 | if (rev.pending.nr == 0) { |
552bcac3 | 279 | read_from_stdin(&log); |
0497c620 | 280 | } |
b8ec5923 | 281 | else |
552bcac3 | 282 | get_from_rev(&rev, &log); |
b8ec5923 | 283 | |
552bcac3 DB |
284 | shortlog_output(&log); |
285 | return 0; | |
286 | } | |
b8ec5923 | 287 | |
552bcac3 DB |
288 | void shortlog_output(struct shortlog *log) |
289 | { | |
290 | int i, j; | |
291 | if (log->sort_by_number) | |
c455c87c | 292 | qsort(log->list.items, log->list.nr, sizeof(struct string_list_item), |
552bcac3 DB |
293 | compare_by_number); |
294 | for (i = 0; i < log->list.nr; i++) { | |
c455c87c | 295 | struct string_list *onelines = log->list.items[i].util; |
b8ec5923 | 296 | |
552bcac3 | 297 | if (log->summary) { |
c455c87c | 298 | printf("%6d\t%s\n", onelines->nr, log->list.items[i].string); |
ac60c94d | 299 | } else { |
c455c87c | 300 | printf("%s (%d):\n", log->list.items[i].string, onelines->nr); |
3714e7c8 | 301 | for (j = onelines->nr - 1; j >= 0; j--) { |
c455c87c | 302 | const char *msg = onelines->items[j].string; |
3d711d97 | 303 | |
552bcac3 DB |
304 | if (log->wrap_lines) { |
305 | int col = print_wrapped_text(msg, log->in1, log->in2, log->wrap); | |
306 | if (col != log->wrap) | |
3d711d97 JH |
307 | putchar('\n'); |
308 | } | |
309 | else | |
310 | printf(" %s\n", msg); | |
3714e7c8 JS |
311 | } |
312 | putchar('\n'); | |
b8ec5923 JS |
313 | } |
314 | ||
c455c87c | 315 | onelines->strdup_strings = 1; |
fe73fc1a | 316 | string_list_clear(onelines, 0); |
b8ec5923 | 317 | free(onelines); |
552bcac3 | 318 | log->list.items[i].util = NULL; |
b8ec5923 JS |
319 | } |
320 | ||
c455c87c JS |
321 | log->list.strdup_strings = 1; |
322 | string_list_clear(&log->list, 1); | |
323 | log->mailmap.strdup_strings = 1; | |
324 | string_list_clear(&log->mailmap, 1); | |
b8ec5923 | 325 | } |