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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" | |
5 | #include "path-list.h" | |
6 | #include "revision.h" | |
b8ec5923 JS |
7 | |
8 | static const char shortlog_usage[] = | |
ac60c94d | 9 | "git-shortlog [-n] [-s] [<commit-id>... ]"; |
b8ec5923 | 10 | |
7595e2ee JH |
11 | static char *common_repo_prefix; |
12 | ||
b8ec5923 JS |
13 | static int compare_by_number(const void *a1, const void *a2) |
14 | { | |
15 | const struct path_list_item *i1 = a1, *i2 = a2; | |
16 | const struct path_list *l1 = i1->util, *l2 = i2->util; | |
17 | ||
18 | if (l1->nr < l2->nr) | |
6d6ab610 | 19 | return 1; |
b8ec5923 JS |
20 | else if (l1->nr == l2->nr) |
21 | return 0; | |
22 | else | |
6d6ab610 | 23 | return -1; |
b8ec5923 JS |
24 | } |
25 | ||
d8e81250 JS |
26 | static struct path_list mailmap = {NULL, 0, 0, 0}; |
27 | ||
28 | static int read_mailmap(const char *filename) | |
29 | { | |
30 | char buffer[1024]; | |
31 | FILE *f = fopen(filename, "r"); | |
32 | ||
33 | if (f == NULL) | |
34 | return 1; | |
35 | while (fgets(buffer, sizeof(buffer), f) != NULL) { | |
36 | char *end_of_name, *left_bracket, *right_bracket; | |
37 | char *name, *email; | |
54965236 | 38 | int i; |
7595e2ee JH |
39 | if (buffer[0] == '#') { |
40 | static const char abbrev[] = "# repo-abbrev:"; | |
41 | int abblen = sizeof(abbrev) - 1; | |
42 | int len = strlen(buffer); | |
43 | ||
44 | if (len && buffer[len - 1] == '\n') | |
45 | buffer[--len] = 0; | |
46 | if (!strncmp(buffer, abbrev, abblen)) { | |
47 | char *cp; | |
48 | ||
49 | if (common_repo_prefix) | |
50 | free(common_repo_prefix); | |
51 | common_repo_prefix = xmalloc(len); | |
52 | ||
53 | for (cp = buffer + abblen; isspace(*cp); cp++) | |
54 | ; /* nothing */ | |
55 | strcpy(common_repo_prefix, cp); | |
56 | } | |
d8e81250 | 57 | continue; |
7595e2ee | 58 | } |
d8e81250 JS |
59 | if ((left_bracket = strchr(buffer, '<')) == NULL) |
60 | continue; | |
61 | if ((right_bracket = strchr(left_bracket + 1, '>')) == NULL) | |
62 | continue; | |
63 | if (right_bracket == left_bracket + 1) | |
64 | continue; | |
65 | for (end_of_name = left_bracket; end_of_name != buffer | |
66 | && isspace(end_of_name[-1]); end_of_name--) | |
67 | /* keep on looking */ | |
68 | if (end_of_name == buffer) | |
69 | continue; | |
70 | name = xmalloc(end_of_name - buffer + 1); | |
71 | strlcpy(name, buffer, end_of_name - buffer + 1); | |
72 | email = xmalloc(right_bracket - left_bracket); | |
54965236 JS |
73 | for (i = 0; i < right_bracket - left_bracket - 1; i++) |
74 | email[i] = tolower(left_bracket[i + 1]); | |
75 | email[right_bracket - left_bracket - 1] = '\0'; | |
d8e81250 JS |
76 | path_list_insert(email, &mailmap)->util = name; |
77 | } | |
78 | fclose(f); | |
79 | return 0; | |
80 | } | |
b8ec5923 JS |
81 | |
82 | static int map_email(char *email, char *name, int maxlen) | |
83 | { | |
84 | char *p; | |
85 | struct path_list_item *item; | |
86 | ||
87 | /* autocomplete common developers */ | |
88 | p = strchr(email, '>'); | |
89 | if (!p) | |
90 | return 0; | |
91 | ||
92 | *p = '\0'; | |
54965236 JS |
93 | /* downcase the email address */ |
94 | for (p = email; *p; p++) | |
95 | *p = tolower(*p); | |
b8ec5923 JS |
96 | item = path_list_lookup(email, &mailmap); |
97 | if (item != NULL) { | |
98 | const char *realname = (const char *)item->util; | |
99 | strncpy(name, realname, maxlen); | |
100 | return 1; | |
101 | } | |
102 | return 0; | |
103 | } | |
104 | ||
105 | static void insert_author_oneline(struct path_list *list, | |
106 | const char *author, int authorlen, | |
107 | const char *oneline, int onelinelen) | |
108 | { | |
7595e2ee | 109 | const char *dot3 = common_repo_prefix; |
b8ec5923 JS |
110 | char *buffer, *p; |
111 | struct path_list_item *item; | |
112 | struct path_list *onelines; | |
113 | ||
114 | while (authorlen > 0 && isspace(author[authorlen - 1])) | |
115 | authorlen--; | |
116 | ||
117 | buffer = xmalloc(authorlen + 1); | |
118 | memcpy(buffer, author, authorlen); | |
119 | buffer[authorlen] = '\0'; | |
120 | ||
121 | item = path_list_insert(buffer, list); | |
122 | if (item->util == NULL) | |
123 | item->util = xcalloc(1, sizeof(struct path_list)); | |
124 | else | |
125 | free(buffer); | |
126 | ||
cc44c765 | 127 | if (!prefixcmp(oneline, "[PATCH")) { |
72019cde JS |
128 | char *eob = strchr(oneline, ']'); |
129 | ||
130 | if (eob) { | |
131 | while (isspace(eob[1]) && eob[1] != '\n') | |
132 | eob++; | |
133 | if (eob - oneline < onelinelen) { | |
134 | onelinelen -= eob - oneline; | |
135 | oneline = eob; | |
136 | } | |
b8ec5923 JS |
137 | } |
138 | } | |
139 | ||
140 | while (onelinelen > 0 && isspace(oneline[0])) { | |
141 | oneline++; | |
142 | onelinelen--; | |
143 | } | |
144 | ||
145 | while (onelinelen > 0 && isspace(oneline[onelinelen - 1])) | |
146 | onelinelen--; | |
147 | ||
148 | buffer = xmalloc(onelinelen + 1); | |
149 | memcpy(buffer, oneline, onelinelen); | |
150 | buffer[onelinelen] = '\0'; | |
151 | ||
c95044d4 JH |
152 | if (dot3) { |
153 | int dot3len = strlen(dot3); | |
154 | if (dot3len > 5) { | |
155 | while ((p = strstr(buffer, dot3)) != NULL) { | |
156 | int taillen = strlen(p) - dot3len; | |
157 | memcpy(p, "/.../", 5); | |
158 | memmove(p + 5, p + dot3len, taillen + 1); | |
159 | } | |
160 | } | |
b8ec5923 JS |
161 | } |
162 | ||
b8ec5923 JS |
163 | onelines = item->util; |
164 | if (onelines->nr >= onelines->alloc) { | |
165 | onelines->alloc = alloc_nr(onelines->nr); | |
166 | onelines->items = xrealloc(onelines->items, | |
167 | onelines->alloc | |
168 | * sizeof(struct path_list_item)); | |
169 | } | |
170 | ||
171 | onelines->items[onelines->nr].util = NULL; | |
172 | onelines->items[onelines->nr++].path = buffer; | |
173 | } | |
174 | ||
175 | static void read_from_stdin(struct path_list *list) | |
176 | { | |
177 | char buffer[1024]; | |
178 | ||
179 | while (fgets(buffer, sizeof(buffer), stdin) != NULL) { | |
180 | char *bob; | |
181 | if ((buffer[0] == 'A' || buffer[0] == 'a') && | |
cc44c765 | 182 | !prefixcmp(buffer + 1, "uthor: ") && |
b8ec5923 JS |
183 | (bob = strchr(buffer + 7, '<')) != NULL) { |
184 | char buffer2[1024], offset = 0; | |
185 | ||
186 | if (map_email(bob + 1, buffer, sizeof(buffer))) | |
187 | bob = buffer + strlen(buffer); | |
188 | else { | |
189 | offset = 8; | |
6f987258 JH |
190 | while (buffer + offset < bob && |
191 | isspace(bob[-1])) | |
b8ec5923 JS |
192 | bob--; |
193 | } | |
194 | ||
195 | while (fgets(buffer2, sizeof(buffer2), stdin) && | |
196 | buffer2[0] != '\n') | |
197 | ; /* chomp input */ | |
bca73251 JH |
198 | if (fgets(buffer2, sizeof(buffer2), stdin)) { |
199 | int l2 = strlen(buffer2); | |
200 | int i; | |
201 | for (i = 0; i < l2; i++) | |
202 | if (!isspace(buffer2[i])) | |
203 | break; | |
b8ec5923 JS |
204 | insert_author_oneline(list, |
205 | buffer + offset, | |
206 | bob - buffer - offset, | |
bca73251 JH |
207 | buffer2 + i, l2 - i); |
208 | } | |
b8ec5923 JS |
209 | } |
210 | } | |
211 | } | |
212 | ||
213 | static void get_from_rev(struct rev_info *rev, struct path_list *list) | |
214 | { | |
215 | char scratch[1024]; | |
216 | struct commit *commit; | |
217 | ||
218 | prepare_revision_walk(rev); | |
219 | while ((commit = get_revision(rev)) != NULL) { | |
3a55602e | 220 | const char *author = NULL, *oneline, *buffer; |
b8ec5923 JS |
221 | int authorlen = authorlen, onelinelen; |
222 | ||
223 | /* get author and oneline */ | |
224 | for (buffer = commit->buffer; buffer && *buffer != '\0' && | |
225 | *buffer != '\n'; ) { | |
3a55602e | 226 | const char *eol = strchr(buffer, '\n'); |
b8ec5923 JS |
227 | |
228 | if (eol == NULL) | |
229 | eol = buffer + strlen(buffer); | |
230 | else | |
231 | eol++; | |
232 | ||
cc44c765 | 233 | if (!prefixcmp(buffer, "author ")) { |
b8ec5923 JS |
234 | char *bracket = strchr(buffer, '<'); |
235 | ||
236 | if (bracket == NULL || bracket > eol) | |
237 | die("Invalid commit buffer: %s", | |
238 | sha1_to_hex(commit->object.sha1)); | |
239 | ||
240 | if (map_email(bracket + 1, scratch, | |
241 | sizeof(scratch))) { | |
242 | author = scratch; | |
243 | authorlen = strlen(scratch); | |
244 | } else { | |
90ffefe5 | 245 | if (bracket[-1] == ' ') |
b8ec5923 JS |
246 | bracket--; |
247 | ||
248 | author = buffer + 7; | |
249 | authorlen = bracket - buffer - 7; | |
250 | } | |
251 | } | |
252 | buffer = eol; | |
253 | } | |
254 | ||
255 | if (author == NULL) | |
256 | die ("Missing author: %s", | |
257 | sha1_to_hex(commit->object.sha1)); | |
258 | ||
259 | if (buffer == NULL || *buffer == '\0') { | |
260 | oneline = "<none>"; | |
261 | onelinelen = sizeof(oneline) + 1; | |
262 | } else { | |
263 | char *eol; | |
264 | ||
265 | oneline = buffer + 1; | |
266 | eol = strchr(oneline, '\n'); | |
267 | if (eol == NULL) | |
268 | onelinelen = strlen(oneline); | |
269 | else | |
270 | onelinelen = eol - oneline; | |
271 | } | |
272 | ||
273 | insert_author_oneline(list, | |
274 | author, authorlen, oneline, onelinelen); | |
275 | } | |
276 | ||
277 | } | |
278 | ||
279 | int cmd_shortlog(int argc, const char **argv, const char *prefix) | |
280 | { | |
281 | struct rev_info rev; | |
282 | struct path_list list = { NULL, 0, 0, 1 }; | |
283 | int i, j, sort_by_number = 0, summary = 0; | |
284 | ||
6d6ab610 | 285 | /* since -n is a shadowed rev argument, parse our args first */ |
b8ec5923 JS |
286 | while (argc > 1) { |
287 | if (!strcmp(argv[1], "-n") || !strcmp(argv[1], "--numbered")) | |
288 | sort_by_number = 1; | |
289 | else if (!strcmp(argv[1], "-s") || | |
290 | !strcmp(argv[1], "--summary")) | |
291 | summary = 1; | |
292 | else if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) | |
293 | usage(shortlog_usage); | |
294 | else | |
6d6ab610 | 295 | break; |
b8ec5923 JS |
296 | argv++; |
297 | argc--; | |
298 | } | |
6d6ab610 JS |
299 | init_revisions(&rev, prefix); |
300 | argc = setup_revisions(argc, argv, &rev, NULL); | |
301 | if (argc > 1) | |
302 | die ("unrecognized argument: %s", argv[1]); | |
b8ec5923 | 303 | |
d8e81250 JS |
304 | if (!access(".mailmap", R_OK)) |
305 | read_mailmap(".mailmap"); | |
306 | ||
0497c620 JH |
307 | if (rev.pending.nr == 0) { |
308 | if (isatty(0)) | |
309 | fprintf(stderr, "(reading log to summarize from standard input)\n"); | |
b8ec5923 | 310 | read_from_stdin(&list); |
0497c620 | 311 | } |
b8ec5923 JS |
312 | else |
313 | get_from_rev(&rev, &list); | |
314 | ||
315 | if (sort_by_number) | |
6d6ab610 | 316 | qsort(list.items, list.nr, sizeof(struct path_list_item), |
b8ec5923 JS |
317 | compare_by_number); |
318 | ||
319 | for (i = 0; i < list.nr; i++) { | |
320 | struct path_list *onelines = list.items[i].util; | |
321 | ||
ac60c94d NP |
322 | if (summary) { |
323 | printf("%s: %d\n", list.items[i].path, onelines->nr); | |
324 | } else { | |
325 | printf("%s (%d):\n", list.items[i].path, onelines->nr); | |
b8ec5923 JS |
326 | for (j = onelines->nr - 1; j >= 0; j--) |
327 | printf(" %s\n", onelines->items[j].path); | |
328 | printf("\n"); | |
329 | } | |
330 | ||
331 | onelines->strdup_paths = 1; | |
332 | path_list_clear(onelines, 1); | |
333 | free(onelines); | |
334 | list.items[i].util = NULL; | |
335 | } | |
336 | ||
337 | list.strdup_paths = 1; | |
338 | path_list_clear(&list, 1); | |
d8e81250 JS |
339 | mailmap.strdup_paths = 1; |
340 | path_list_clear(&mailmap, 1); | |
b8ec5923 JS |
341 | |
342 | return 0; | |
343 | } | |
344 |