]>
Commit | Line | Data |
---|---|---|
1 | #include "builtin.h" | |
2 | #include "cache.h" | |
3 | #include "commit.h" | |
4 | #include "diff.h" | |
5 | #include "path-list.h" | |
6 | #include "revision.h" | |
7 | #include "utf8.h" | |
8 | #include "mailmap.h" | |
9 | #include "shortlog.h" | |
10 | ||
11 | static const char shortlog_usage[] = | |
12 | "git-shortlog [-n] [-s] [-e] [-w] [<commit-id>... ]"; | |
13 | ||
14 | static int compare_by_number(const void *a1, const void *a2) | |
15 | { | |
16 | const struct path_list_item *i1 = a1, *i2 = a2; | |
17 | const struct path_list *l1 = i1->util, *l2 = i2->util; | |
18 | ||
19 | if (l1->nr < l2->nr) | |
20 | return 1; | |
21 | else if (l1->nr == l2->nr) | |
22 | return 0; | |
23 | else | |
24 | return -1; | |
25 | } | |
26 | ||
27 | static void insert_one_record(struct shortlog *log, | |
28 | const char *author, | |
29 | const char *oneline) | |
30 | { | |
31 | const char *dot3 = log->common_repo_prefix; | |
32 | char *buffer, *p; | |
33 | struct path_list_item *item; | |
34 | struct path_list *onelines; | |
35 | char namebuf[1024]; | |
36 | size_t len; | |
37 | const char *eol; | |
38 | const char *boemail, *eoemail; | |
39 | ||
40 | boemail = strchr(author, '<'); | |
41 | if (!boemail) | |
42 | return; | |
43 | eoemail = strchr(boemail, '>'); | |
44 | if (!eoemail) | |
45 | return; | |
46 | if (!map_email(&log->mailmap, boemail+1, namebuf, sizeof(namebuf))) { | |
47 | while (author < boemail && isspace(*author)) | |
48 | author++; | |
49 | for (len = 0; | |
50 | len < sizeof(namebuf) - 1 && author + len < boemail; | |
51 | len++) | |
52 | namebuf[len] = author[len]; | |
53 | while (0 < len && isspace(namebuf[len-1])) | |
54 | len--; | |
55 | namebuf[len] = '\0'; | |
56 | } | |
57 | else | |
58 | len = strlen(namebuf); | |
59 | ||
60 | if (log->email) { | |
61 | size_t room = sizeof(namebuf) - len - 1; | |
62 | int maillen = eoemail - boemail + 1; | |
63 | snprintf(namebuf + len, room, " %.*s", maillen, boemail); | |
64 | } | |
65 | ||
66 | buffer = xstrdup(namebuf); | |
67 | item = path_list_insert(buffer, &log->list); | |
68 | if (item->util == NULL) | |
69 | item->util = xcalloc(1, sizeof(struct path_list)); | |
70 | else | |
71 | free(buffer); | |
72 | ||
73 | /* Skip any leading whitespace, including any blank lines. */ | |
74 | while (*oneline && isspace(*oneline)) | |
75 | oneline++; | |
76 | eol = strchr(oneline, '\n'); | |
77 | if (!eol) | |
78 | eol = oneline + strlen(oneline); | |
79 | if (!prefixcmp(oneline, "[PATCH")) { | |
80 | char *eob = strchr(oneline, ']'); | |
81 | if (eob && (!eol || eob < eol)) | |
82 | oneline = eob + 1; | |
83 | } | |
84 | while (*oneline && isspace(*oneline) && *oneline != '\n') | |
85 | oneline++; | |
86 | len = eol - oneline; | |
87 | while (len && isspace(oneline[len-1])) | |
88 | len--; | |
89 | buffer = xmemdupz(oneline, len); | |
90 | ||
91 | if (dot3) { | |
92 | int dot3len = strlen(dot3); | |
93 | if (dot3len > 5) { | |
94 | while ((p = strstr(buffer, dot3)) != NULL) { | |
95 | int taillen = strlen(p) - dot3len; | |
96 | memcpy(p, "/.../", 5); | |
97 | memmove(p + 5, p + dot3len, taillen + 1); | |
98 | } | |
99 | } | |
100 | } | |
101 | ||
102 | onelines = item->util; | |
103 | if (onelines->nr >= onelines->alloc) { | |
104 | onelines->alloc = alloc_nr(onelines->nr); | |
105 | onelines->items = xrealloc(onelines->items, | |
106 | onelines->alloc | |
107 | * sizeof(struct path_list_item)); | |
108 | } | |
109 | ||
110 | onelines->items[onelines->nr].util = NULL; | |
111 | onelines->items[onelines->nr++].path = buffer; | |
112 | } | |
113 | ||
114 | static void read_from_stdin(struct shortlog *log) | |
115 | { | |
116 | char author[1024], oneline[1024]; | |
117 | ||
118 | while (fgets(author, sizeof(author), stdin) != NULL) { | |
119 | if (!(author[0] == 'A' || author[0] == 'a') || | |
120 | prefixcmp(author + 1, "uthor: ")) | |
121 | continue; | |
122 | while (fgets(oneline, sizeof(oneline), stdin) && | |
123 | oneline[0] != '\n') | |
124 | ; /* discard headers */ | |
125 | while (fgets(oneline, sizeof(oneline), stdin) && | |
126 | oneline[0] == '\n') | |
127 | ; /* discard blanks */ | |
128 | insert_one_record(log, author + 8, oneline); | |
129 | } | |
130 | } | |
131 | ||
132 | void shortlog_add_commit(struct shortlog *log, struct commit *commit) | |
133 | { | |
134 | const char *author = NULL, *buffer; | |
135 | ||
136 | buffer = commit->buffer; | |
137 | while (*buffer && *buffer != '\n') { | |
138 | const char *eol = strchr(buffer, '\n'); | |
139 | ||
140 | if (eol == NULL) | |
141 | eol = buffer + strlen(buffer); | |
142 | else | |
143 | eol++; | |
144 | ||
145 | if (!prefixcmp(buffer, "author ")) | |
146 | author = buffer + 7; | |
147 | buffer = eol; | |
148 | } | |
149 | if (!author) | |
150 | die("Missing author: %s", | |
151 | sha1_to_hex(commit->object.sha1)); | |
152 | if (*buffer) | |
153 | buffer++; | |
154 | insert_one_record(log, author, !*buffer ? "<none>" : buffer); | |
155 | } | |
156 | ||
157 | static void get_from_rev(struct rev_info *rev, struct shortlog *log) | |
158 | { | |
159 | struct commit *commit; | |
160 | ||
161 | if (prepare_revision_walk(rev)) | |
162 | die("revision walk setup failed"); | |
163 | while ((commit = get_revision(rev)) != NULL) | |
164 | shortlog_add_commit(log, commit); | |
165 | } | |
166 | ||
167 | static int parse_uint(char const **arg, int comma) | |
168 | { | |
169 | unsigned long ul; | |
170 | int ret; | |
171 | char *endp; | |
172 | ||
173 | ul = strtoul(*arg, &endp, 10); | |
174 | if (endp != *arg && *endp && *endp != comma) | |
175 | return -1; | |
176 | ret = (int) ul; | |
177 | if (ret != ul) | |
178 | return -1; | |
179 | *arg = endp; | |
180 | if (**arg) | |
181 | (*arg)++; | |
182 | return ret; | |
183 | } | |
184 | ||
185 | static const char wrap_arg_usage[] = "-w[<width>[,<indent1>[,<indent2>]]]"; | |
186 | #define DEFAULT_WRAPLEN 76 | |
187 | #define DEFAULT_INDENT1 6 | |
188 | #define DEFAULT_INDENT2 9 | |
189 | ||
190 | static void parse_wrap_args(const char *arg, int *in1, int *in2, int *wrap) | |
191 | { | |
192 | arg += 2; /* skip -w */ | |
193 | ||
194 | *wrap = parse_uint(&arg, ','); | |
195 | if (*wrap < 0) | |
196 | die(wrap_arg_usage); | |
197 | *in1 = parse_uint(&arg, ','); | |
198 | if (*in1 < 0) | |
199 | die(wrap_arg_usage); | |
200 | *in2 = parse_uint(&arg, '\0'); | |
201 | if (*in2 < 0) | |
202 | die(wrap_arg_usage); | |
203 | ||
204 | if (!*wrap) | |
205 | *wrap = DEFAULT_WRAPLEN; | |
206 | if (!*in1) | |
207 | *in1 = DEFAULT_INDENT1; | |
208 | if (!*in2) | |
209 | *in2 = DEFAULT_INDENT2; | |
210 | if (*wrap && | |
211 | ((*in1 && *wrap <= *in1) || | |
212 | (*in2 && *wrap <= *in2))) | |
213 | die(wrap_arg_usage); | |
214 | } | |
215 | ||
216 | void shortlog_init(struct shortlog *log) | |
217 | { | |
218 | memset(log, 0, sizeof(*log)); | |
219 | ||
220 | read_mailmap(&log->mailmap, ".mailmap", &log->common_repo_prefix); | |
221 | ||
222 | log->list.strdup_paths = 1; | |
223 | log->wrap = DEFAULT_WRAPLEN; | |
224 | log->in1 = DEFAULT_INDENT1; | |
225 | log->in2 = DEFAULT_INDENT2; | |
226 | } | |
227 | ||
228 | int cmd_shortlog(int argc, const char **argv, const char *prefix) | |
229 | { | |
230 | struct shortlog log; | |
231 | struct rev_info rev; | |
232 | int nongit; | |
233 | ||
234 | prefix = setup_git_directory_gently(&nongit); | |
235 | shortlog_init(&log); | |
236 | ||
237 | /* since -n is a shadowed rev argument, parse our args first */ | |
238 | while (argc > 1) { | |
239 | if (!strcmp(argv[1], "-n") || !strcmp(argv[1], "--numbered")) | |
240 | log.sort_by_number = 1; | |
241 | else if (!strcmp(argv[1], "-s") || | |
242 | !strcmp(argv[1], "--summary")) | |
243 | log.summary = 1; | |
244 | else if (!strcmp(argv[1], "-e") || | |
245 | !strcmp(argv[1], "--email")) | |
246 | log.email = 1; | |
247 | else if (!prefixcmp(argv[1], "-w")) { | |
248 | log.wrap_lines = 1; | |
249 | parse_wrap_args(argv[1], &log.in1, &log.in2, &log.wrap); | |
250 | } | |
251 | else if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) | |
252 | usage(shortlog_usage); | |
253 | else | |
254 | break; | |
255 | argv++; | |
256 | argc--; | |
257 | } | |
258 | init_revisions(&rev, prefix); | |
259 | argc = setup_revisions(argc, argv, &rev, NULL); | |
260 | if (argc > 1) | |
261 | die ("unrecognized argument: %s", argv[1]); | |
262 | ||
263 | /* assume HEAD if from a tty */ | |
264 | if (!nongit && !rev.pending.nr && isatty(0)) | |
265 | add_head_to_pending(&rev); | |
266 | if (rev.pending.nr == 0) { | |
267 | read_from_stdin(&log); | |
268 | } | |
269 | else | |
270 | get_from_rev(&rev, &log); | |
271 | ||
272 | shortlog_output(&log); | |
273 | return 0; | |
274 | } | |
275 | ||
276 | void shortlog_output(struct shortlog *log) | |
277 | { | |
278 | int i, j; | |
279 | if (log->sort_by_number) | |
280 | qsort(log->list.items, log->list.nr, sizeof(struct path_list_item), | |
281 | compare_by_number); | |
282 | for (i = 0; i < log->list.nr; i++) { | |
283 | struct path_list *onelines = log->list.items[i].util; | |
284 | ||
285 | if (log->summary) { | |
286 | printf("%6d\t%s\n", onelines->nr, log->list.items[i].path); | |
287 | } else { | |
288 | printf("%s (%d):\n", log->list.items[i].path, onelines->nr); | |
289 | for (j = onelines->nr - 1; j >= 0; j--) { | |
290 | const char *msg = onelines->items[j].path; | |
291 | ||
292 | if (log->wrap_lines) { | |
293 | int col = print_wrapped_text(msg, log->in1, log->in2, log->wrap); | |
294 | if (col != log->wrap) | |
295 | putchar('\n'); | |
296 | } | |
297 | else | |
298 | printf(" %s\n", msg); | |
299 | } | |
300 | putchar('\n'); | |
301 | } | |
302 | ||
303 | onelines->strdup_paths = 1; | |
304 | path_list_clear(onelines, 1); | |
305 | free(onelines); | |
306 | log->list.items[i].util = NULL; | |
307 | } | |
308 | ||
309 | log->list.strdup_paths = 1; | |
310 | path_list_clear(&log->list, 1); | |
311 | log->mailmap.strdup_paths = 1; | |
312 | path_list_clear(&log->mailmap, 1); | |
313 | } |