xref: /openbsd-src/usr.bin/cvs/getlog.c (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: getlog.c,v 1.93 2009/03/26 17:30:04 joris Exp $	*/
2 /*
3  * Copyright (c) 2005, 2006 Xavier Santolaria <xsa@openbsd.org>
4  * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <unistd.h>
20 #include <string.h>
21 #include <errno.h>
22 #include <ctype.h>
23 
24 #include "cvs.h"
25 #include "remote.h"
26 
27 #define L_HEAD		0x01
28 #define L_HEAD_DESCR	0x02
29 #define L_NAME		0x04
30 #define L_NOTAGS	0x08
31 #define L_LOGINS	0x10
32 #define L_STATES	0x20
33 
34 #define LDATE_LATER	0x01
35 #define LDATE_EARLIER	0x02
36 #define LDATE_SINGLE	0x04
37 #define LDATE_RANGE	0x08
38 #define LDATE_INCLUSIVE	0x10
39 
40 void		 cvs_log_local(struct cvs_file *);
41 static void	 log_rev_print(struct rcs_delta *);
42 static char 	*push_date(char *dest, const char *);
43 static u_int	 date_select(RCSFILE *, char *);
44 
45 int	 runflags = 0;
46 char	*logrev = NULL;
47 char	*logdate = NULL;
48 char	*slist = NULL;
49 char	*wlist = NULL;
50 
51 struct cvs_cmd cvs_cmd_log = {
52 	CVS_OP_LOG, CVS_USE_WDIR, "log",
53 	{ "lo" },
54 	"Print out history information for files",
55 	"[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
56 	"bd:hlNRr:s:tw:",
57 	NULL,
58 	cvs_getlog
59 };
60 
61 struct cvs_cmd cvs_cmd_rlog = {
62 	CVS_OP_RLOG, 0, "rlog",
63 	{ "rlo" },
64 	"Print out history information for files",
65 	"[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
66 	"bd:hlNRr:s:tw:",
67 	NULL,
68 	cvs_getlog
69 };
70 
71 int
72 cvs_getlog(int argc, char **argv)
73 {
74 	int ch, flags, i;
75 	char *arg = ".";
76 	struct cvs_recursion cr;
77 
78 	flags = CR_RECURSE_DIRS;
79 
80 	while ((ch = getopt(argc, argv, cvs_cmdop == CVS_OP_LOG ?
81 	    cvs_cmd_log.cmd_opts : cvs_cmd_rlog.cmd_opts)) != -1) {
82 		switch (ch) {
83 		case 'd':
84 			logdate = push_date(logdate, optarg);
85 			break;
86 		case 'h':
87 			runflags |= L_HEAD;
88 			break;
89 		case 'l':
90 			flags &= ~CR_RECURSE_DIRS;
91 			break;
92 		case 'N':
93 			runflags |= L_NOTAGS;
94 			break;
95 		case 'R':
96 			runflags |= L_NAME;
97 			break;
98 		case 'r':
99 			logrev = optarg;
100 			break;
101 		case 's':
102 			runflags |= L_STATES;
103 			slist = optarg;
104 			break;
105 		case 't':
106 			runflags |= L_HEAD_DESCR;
107 			break;
108 		case 'w':
109 			runflags |= L_LOGINS;
110 			wlist = optarg;
111 			break;
112 		default:
113 			fatal("%s", cvs_cmdop == CVS_OP_LOG ?
114 			    cvs_cmd_log.cmd_synopsis :
115 			    cvs_cmd_rlog.cmd_synopsis);
116 		}
117 	}
118 
119 	argc -= optind;
120 	argv += optind;
121 
122 	if (cvs_cmdop == CVS_OP_RLOG) {
123 		flags |= CR_REPO;
124 
125 		if (argc == 0)
126 			return 0;
127 
128 		for (i = 0; i < argc; i++)
129 			if (argv[i][0] == '/')
130 				fatal("Absolute path name is invalid: %s",
131 				    argv[i]);
132 	}
133 
134 	cr.enterdir = NULL;
135 	cr.leavedir = NULL;
136 
137 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
138 		cvs_client_connect_to_server();
139 		cr.fileproc = cvs_client_sendfile;
140 
141 		if (logdate != NULL)
142 			cvs_client_send_request("Argument -d%s", logdate);
143 
144 		if (runflags & L_HEAD)
145 			cvs_client_send_request("Argument -h");
146 
147 		if (!(flags & CR_RECURSE_DIRS))
148 			cvs_client_send_request("Argument -l");
149 
150 		if (runflags & L_NOTAGS)
151 			cvs_client_send_request("Argument -N");
152 
153 		if (runflags & L_NAME)
154 			cvs_client_send_request("Argument -R");
155 
156 		if (logrev != NULL)
157 			cvs_client_send_request("Argument -r%s", logrev);
158 
159 		if (runflags & L_STATES)
160 			cvs_client_send_request("Argument -s%s", slist);
161 
162 		if (runflags & L_HEAD_DESCR)
163 			cvs_client_send_request("Argument -t");
164 
165 		if (runflags & L_LOGINS)
166 			cvs_client_send_request("Argument -w%s", wlist);
167 	} else {
168 		if (cvs_cmdop == CVS_OP_RLOG &&
169 		    chdir(current_cvsroot->cr_dir) == -1)
170 			fatal("cvs_getlog: %s", strerror(errno));
171 
172 		cr.fileproc = cvs_log_local;
173 	}
174 
175 	cr.flags = flags;
176 
177 	if (cvs_cmdop == CVS_OP_LOG ||
178 	    current_cvsroot->cr_method == CVS_METHOD_LOCAL) {
179 		if (argc > 0)
180 			cvs_file_run(argc, argv, &cr);
181 		else
182 			cvs_file_run(1, &arg, &cr);
183 	}
184 
185 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
186 		cvs_client_send_files(argv, argc);
187 		cvs_client_senddir(".");
188 
189 		cvs_client_send_request((cvs_cmdop == CVS_OP_RLOG) ?
190 		    "rlog" : "log");
191 
192 		cvs_client_get_responses();
193 	}
194 
195 	return (0);
196 }
197 
198 void
199 cvs_log_local(struct cvs_file *cf)
200 {
201 	u_int nrev;
202 	RCSNUM *rev;
203 	struct rcs_sym *sym;
204 	struct rcs_lock *lkp;
205 	struct rcs_delta *rdp;
206 	struct rcs_access *acp;
207 	char numb[CVS_REV_BUFSZ];
208 
209 	cvs_log(LP_TRACE, "cvs_log_local(%s)", cf->file_path);
210 
211 	cvs_file_classify(cf, cvs_directory_tag);
212 
213 	if (cf->file_type == CVS_DIR) {
214 		if (verbosity > 1)
215 			cvs_log(LP_ERR, "Logging %s", cf->file_path);
216 		return;
217 	}
218 
219 	if (cf->file_rcs == NULL) {
220 		return;
221 	} else if (cf->file_status == FILE_ADDED) {
222 		if (verbosity > 0)
223 			cvs_log(LP_ERR, "%s has been added, but not committed",
224 			    cf->file_path);
225 		return;
226 	}
227 
228 	if (runflags & L_NAME) {
229 		cvs_printf("%s\n", cf->file_rpath);
230 		return;
231 	}
232 
233 	if (logrev != NULL)
234 		nrev = cvs_revision_select(cf->file_rcs, logrev);
235 	else if (logdate != NULL)
236 		nrev = date_select(cf->file_rcs, logdate);
237 	else
238 		nrev = cf->file_rcs->rf_ndelta;
239 
240 	cvs_printf("\nRCS file: %s", cf->file_rpath);
241 
242 	if (cvs_cmdop != CVS_OP_RLOG)
243 		cvs_printf("\nWorking file: %s", cf->file_path);
244 
245 	cvs_printf("\nhead:");
246 	if (cf->file_rcs->rf_head != NULL)
247 		cvs_printf(" %s", rcsnum_tostr(cf->file_rcs->rf_head,
248 		    numb, sizeof(numb)));
249 
250 	cvs_printf("\nbranch:");
251 	if (rcs_branch_get(cf->file_rcs) != NULL) {
252 		cvs_printf(" %s", rcsnum_tostr(rcs_branch_get(cf->file_rcs),
253 		    numb, sizeof(numb)));
254 	}
255 
256 	cvs_printf("\nlocks: %s", (cf->file_rcs->rf_flags & RCS_SLOCK)
257 	    ? "strict" : "");
258 	TAILQ_FOREACH(lkp, &(cf->file_rcs->rf_locks), rl_list)
259 		cvs_printf("\n\t%s: %s", lkp->rl_name,
260 		    rcsnum_tostr(lkp->rl_num, numb, sizeof(numb)));
261 
262 	cvs_printf("\naccess list:\n");
263 	TAILQ_FOREACH(acp, &(cf->file_rcs->rf_access), ra_list)
264 		cvs_printf("\t%s\n", acp->ra_name);
265 
266 	if (!(runflags & L_NOTAGS)) {
267 		cvs_printf("symbolic names:\n");
268 		TAILQ_FOREACH(sym, &(cf->file_rcs->rf_symbols), rs_list) {
269 			rev = rcsnum_alloc();
270 			rcsnum_cpy(sym->rs_num, rev, 0);
271 			if (RCSNUM_ISBRANCH(sym->rs_num))
272 				rcsnum_addmagic(rev);
273 
274 			cvs_printf("\t%s: %s\n", sym->rs_name,
275 			    rcsnum_tostr(rev, numb, sizeof(numb)));
276 			rcsnum_free(rev);
277 		}
278 	}
279 
280 	cvs_printf("keyword substitution: %s\n",
281 	    cf->file_rcs->rf_expand == NULL ? "kv" : cf->file_rcs->rf_expand);
282 
283 	cvs_printf("total revisions: %u", cf->file_rcs->rf_ndelta);
284 
285 	if (cf->file_rcs->rf_head != NULL &&
286 	    !(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR))
287 		cvs_printf(";\tselected revisions: %u", nrev);
288 
289 	cvs_printf("\n");
290 
291 	if (!(runflags & L_HEAD) || (runflags & L_HEAD_DESCR))
292 		cvs_printf("description:\n%s", cf->file_rcs->rf_desc);
293 
294 	if (!(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR)) {
295 		TAILQ_FOREACH(rdp, &(cf->file_rcs->rf_delta), rd_list) {
296 			/*
297 			 * if selections are enabled verify that entry is
298 			 * selected.
299 			 */
300 			if ((logrev == NULL && logdate == NULL) ||
301 			    (rdp->rd_flags & RCS_RD_SELECT))
302 				log_rev_print(rdp);
303 		}
304 	}
305 
306 	cvs_printf("%s\n", LOG_REVEND);
307 }
308 
309 static void
310 log_rev_print(struct rcs_delta *rdp)
311 {
312 	int i, found;
313 	char numb[CVS_REV_BUFSZ], timeb[CVS_TIME_BUFSZ];
314 	struct cvs_argvector *sargv, *wargv;
315 	struct rcs_branch *rb;
316 	struct rcs_delta *nrdp;
317 
318 	i = found = 0;
319 
320 	/* -s states */
321 	if (runflags & L_STATES) {
322 		sargv = cvs_strsplit(slist, ",");
323 		for (i = 0; sargv->argv[i] != NULL; i++) {
324 			if (strcmp(rdp->rd_state, sargv->argv[i]) == 0) {
325 				found++;
326 				break;
327 			}
328 			found = 0;
329 		}
330 		cvs_argv_destroy(sargv);
331 	}
332 
333 	/* -w[logins] */
334 	if (runflags & L_LOGINS) {
335 		wargv = cvs_strsplit(wlist, ",");
336 		for (i = 0; wargv->argv[i] != NULL; i++) {
337 			if (strcmp(rdp->rd_author, wargv->argv[i]) == 0) {
338 				found++;
339 				break;
340 			}
341 			found = 0;
342 		}
343 		cvs_argv_destroy(wargv);
344 	}
345 
346 	if ((runflags & (L_STATES|L_LOGINS)) && found == 0)
347 		return;
348 
349 	cvs_printf("%s\n", LOG_REVSEP);
350 
351 	rcsnum_tostr(rdp->rd_num, numb, sizeof(numb));
352 	cvs_printf("revision %s", numb);
353 
354 	strftime(timeb, sizeof(timeb), "%Y/%m/%d %H:%M:%S", &rdp->rd_date);
355 	cvs_printf("\ndate: %s;  author: %s;  state: %s;",
356 	    timeb, rdp->rd_author, rdp->rd_state);
357 
358 	/*
359 	 * If we are a branch revision, the diff of this revision is stored
360 	 * in place.
361 	 * Otherwise, it is stored in the previous revision as a reversed diff.
362 	 */
363 	if (RCSNUM_ISBRANCHREV(rdp->rd_num))
364 		nrdp = rdp;
365 	else
366 		nrdp = TAILQ_NEXT(rdp, rd_list);
367 
368 	/*
369 	 * We do not write diff stats for the first revision of the default
370 	 * branch, since it was not a diff but a full text.
371 	 */
372 	if (nrdp != NULL && rdp->rd_num->rn_len == nrdp->rd_num->rn_len) {
373 		int added, removed;
374 		rcs_delta_stats(nrdp, &added, &removed);
375 		if (RCSNUM_ISBRANCHREV(rdp->rd_num))
376 			cvs_printf("  lines: +%d -%d", added, removed);
377 		else
378 			cvs_printf("  lines: +%d -%d", removed, added);
379 	}
380 	cvs_printf("\n");
381 
382 	if (!TAILQ_EMPTY(&(rdp->rd_branches))) {
383 		cvs_printf("branches:");
384 		TAILQ_FOREACH(rb, &(rdp->rd_branches), rb_list) {
385 			RCSNUM *branch;
386 			branch = rcsnum_revtobr(rb->rb_num);
387 			rcsnum_tostr(branch, numb, sizeof(numb));
388 			cvs_printf("  %s;", numb);
389 			rcsnum_free(branch);
390 		}
391 		cvs_printf("\n");
392 	}
393 
394 	cvs_printf("%s", rdp->rd_log);
395 }
396 
397 static char *
398 push_date(char *dest, const char *src)
399 {
400 	size_t len;
401 
402 	if (dest == NULL)
403 		return (xstrdup(src));
404 
405 	/* 2 = ; and '\0' */
406 	len = strlen(dest) + strlen(src) + 2;
407 
408 	dest[strlen(dest)] = ';';
409 	dest = xrealloc(dest, len, 1);
410 	strlcat(dest, src, len);
411 	return (dest);
412 }
413 
414 static u_int
415 date_select(RCSFILE *file, char *date)
416 {
417 	int i, nrev, flags;
418 	struct rcs_delta *rdp;
419 	struct cvs_argvector *args;
420 	char *first, *last, delim;
421 	time_t firstdate, lastdate, rcsdate;
422 
423 	nrev = 0;
424 	args = cvs_strsplit(date, ";");
425 
426 	for (i = 0; args->argv[i] != NULL; i++) {
427 		flags = 0;
428 		firstdate = lastdate = -1;
429 
430 		first = args->argv[i];
431 		last = strchr(args->argv[i], '<');
432 		if (last != NULL) {
433 			delim = *last;
434 			*last++ = '\0';
435 
436 			if (*last == '=') {
437 				last++;
438 				flags |= LDATE_INCLUSIVE;
439 			}
440 		} else {
441 			last = strchr(args->argv[i], '>');
442 			if (last != NULL) {
443 				delim = *last;
444 				*last++ = '\0';
445 
446 				if (*last == '=') {
447 					last++;
448 					flags |= LDATE_INCLUSIVE;
449 				}
450 			}
451 		}
452 
453 		if (last == NULL) {
454 			flags |= LDATE_SINGLE;
455 			firstdate = cvs_date_parse(first);
456 			delim = '\0';
457 			last = "\0";
458 		} else {
459 			while (*last && isspace(*last))
460 				last++;
461 		}
462 
463 		if (delim == '>' && *last == '\0') {
464 			flags |= LDATE_EARLIER;
465 			firstdate = cvs_date_parse(first);
466 		}
467 
468 		if (delim == '>' && *first == '\0' && *last != '\0') {
469 			flags |= LDATE_LATER;
470 			firstdate = cvs_date_parse(last);
471 		}
472 
473 		if (delim == '<' && *last == '\0') {
474 			flags |= LDATE_LATER;
475 			firstdate = cvs_date_parse(first);
476 		}
477 
478 		if (delim == '<' && *first == '\0' && *last != '\0') {
479 			flags |= LDATE_EARLIER;
480 			firstdate = cvs_date_parse(last);
481 		}
482 
483 		if (*first != '\0' && *last != '\0') {
484 			flags |= LDATE_RANGE;
485 
486 			if (delim == '<') {
487 				firstdate = cvs_date_parse(first);
488 				lastdate = cvs_date_parse(last);
489 			} else {
490 				firstdate = cvs_date_parse(last);
491 				lastdate = cvs_date_parse(first);
492 			}
493 		}
494 
495 		TAILQ_FOREACH(rdp, &(file->rf_delta), rd_list) {
496 			rcsdate = mktime(&(rdp->rd_date));
497 
498 			if (flags & LDATE_SINGLE) {
499 				if (rcsdate <= firstdate) {
500 					rdp->rd_flags |= RCS_RD_SELECT;
501 					nrev++;
502 					break;
503 				}
504 			}
505 
506 			if (flags & LDATE_EARLIER) {
507 				if (rcsdate < firstdate) {
508 					rdp->rd_flags |= RCS_RD_SELECT;
509 					nrev++;
510 					continue;
511 				}
512 
513 				if (flags & LDATE_INCLUSIVE &&
514 				    (rcsdate <= firstdate)) {
515 					rdp->rd_flags |= RCS_RD_SELECT;
516 					nrev++;
517 					continue;
518 				}
519 			}
520 
521 			if (flags & LDATE_LATER) {
522 				if (rcsdate > firstdate) {
523 					rdp->rd_flags |= RCS_RD_SELECT;
524 					nrev++;
525 					continue;
526 				}
527 
528 				if (flags & LDATE_INCLUSIVE &&
529 				    (rcsdate >= firstdate)) {
530 					rdp->rd_flags |= RCS_RD_SELECT;
531 					nrev++;
532 					continue;
533 				}
534 			}
535 
536 			if (flags & LDATE_RANGE) {
537 				if ((rcsdate > firstdate) &&
538 				    (rcsdate < lastdate)) {
539 					rdp->rd_flags |= RCS_RD_SELECT;
540 					nrev++;
541 					continue;
542 				}
543 
544 				if (flags & LDATE_INCLUSIVE &&
545 				    ((rcsdate >= firstdate) &&
546 				    (rcsdate <= lastdate))) {
547 					rdp->rd_flags |= RCS_RD_SELECT;
548 					nrev++;
549 					continue;
550 				}
551 			}
552 		}
553 	}
554 
555 	cvs_argv_destroy(args);
556 
557 	return (nrev);
558 }
559