xref: /openbsd-src/usr.bin/cvs/getlog.c (revision 898184e3e61f9129feb5978fad5a8c6865f00b92)
1 /*	$OpenBSD: getlog.c,v 1.95 2010/07/30 21:47:18 ray 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 		if ((nrev = date_select(cf->file_rcs, logdate)) == -1) {
237 			cvs_log(LP_ERR, "invalid date: %s", logdate);
238 			return;
239 		}
240 	} else
241 		nrev = cf->file_rcs->rf_ndelta;
242 
243 	cvs_printf("\nRCS file: %s", cf->file_rpath);
244 
245 	if (cvs_cmdop != CVS_OP_RLOG)
246 		cvs_printf("\nWorking file: %s", cf->file_path);
247 
248 	cvs_printf("\nhead:");
249 	if (cf->file_rcs->rf_head != NULL)
250 		cvs_printf(" %s", rcsnum_tostr(cf->file_rcs->rf_head,
251 		    numb, sizeof(numb)));
252 
253 	cvs_printf("\nbranch:");
254 	if (rcs_branch_get(cf->file_rcs) != NULL) {
255 		cvs_printf(" %s", rcsnum_tostr(rcs_branch_get(cf->file_rcs),
256 		    numb, sizeof(numb)));
257 	}
258 
259 	cvs_printf("\nlocks: %s", (cf->file_rcs->rf_flags & RCS_SLOCK)
260 	    ? "strict" : "");
261 	TAILQ_FOREACH(lkp, &(cf->file_rcs->rf_locks), rl_list)
262 		cvs_printf("\n\t%s: %s", lkp->rl_name,
263 		    rcsnum_tostr(lkp->rl_num, numb, sizeof(numb)));
264 
265 	cvs_printf("\naccess list:\n");
266 	TAILQ_FOREACH(acp, &(cf->file_rcs->rf_access), ra_list)
267 		cvs_printf("\t%s\n", acp->ra_name);
268 
269 	if (!(runflags & L_NOTAGS)) {
270 		cvs_printf("symbolic names:\n");
271 		TAILQ_FOREACH(sym, &(cf->file_rcs->rf_symbols), rs_list) {
272 			rev = rcsnum_alloc();
273 			rcsnum_cpy(sym->rs_num, rev, 0);
274 			if (RCSNUM_ISBRANCH(sym->rs_num))
275 				rcsnum_addmagic(rev);
276 
277 			cvs_printf("\t%s: %s\n", sym->rs_name,
278 			    rcsnum_tostr(rev, numb, sizeof(numb)));
279 			rcsnum_free(rev);
280 		}
281 	}
282 
283 	cvs_printf("keyword substitution: %s\n",
284 	    cf->file_rcs->rf_expand == NULL ? "kv" : cf->file_rcs->rf_expand);
285 
286 	cvs_printf("total revisions: %u", cf->file_rcs->rf_ndelta);
287 
288 	if (cf->file_rcs->rf_head != NULL &&
289 	    !(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR))
290 		cvs_printf(";\tselected revisions: %u", nrev);
291 
292 	cvs_printf("\n");
293 
294 	if (!(runflags & L_HEAD) || (runflags & L_HEAD_DESCR))
295 		cvs_printf("description:\n%s", cf->file_rcs->rf_desc);
296 
297 	if (!(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR)) {
298 		TAILQ_FOREACH(rdp, &(cf->file_rcs->rf_delta), rd_list) {
299 			/*
300 			 * if selections are enabled verify that entry is
301 			 * selected.
302 			 */
303 			if ((logrev == NULL && logdate == NULL) ||
304 			    (rdp->rd_flags & RCS_RD_SELECT))
305 				log_rev_print(rdp);
306 		}
307 	}
308 
309 	cvs_printf("%s\n", LOG_REVEND);
310 }
311 
312 static void
313 log_rev_print(struct rcs_delta *rdp)
314 {
315 	int i, found;
316 	char numb[CVS_REV_BUFSZ], timeb[CVS_TIME_BUFSZ];
317 	struct cvs_argvector *sargv, *wargv;
318 	struct rcs_branch *rb;
319 	struct rcs_delta *nrdp;
320 
321 	i = found = 0;
322 
323 	/* -s states */
324 	if (runflags & L_STATES) {
325 		sargv = cvs_strsplit(slist, ",");
326 		for (i = 0; sargv->argv[i] != NULL; i++) {
327 			if (strcmp(rdp->rd_state, sargv->argv[i]) == 0) {
328 				found++;
329 				break;
330 			}
331 			found = 0;
332 		}
333 		cvs_argv_destroy(sargv);
334 	}
335 
336 	/* -w[logins] */
337 	if (runflags & L_LOGINS) {
338 		wargv = cvs_strsplit(wlist, ",");
339 		for (i = 0; wargv->argv[i] != NULL; i++) {
340 			if (strcmp(rdp->rd_author, wargv->argv[i]) == 0) {
341 				found++;
342 				break;
343 			}
344 			found = 0;
345 		}
346 		cvs_argv_destroy(wargv);
347 	}
348 
349 	if ((runflags & (L_STATES|L_LOGINS)) && found == 0)
350 		return;
351 
352 	cvs_printf("%s\n", LOG_REVSEP);
353 
354 	rcsnum_tostr(rdp->rd_num, numb, sizeof(numb));
355 	cvs_printf("revision %s", numb);
356 
357 	strftime(timeb, sizeof(timeb), "%Y/%m/%d %H:%M:%S", &rdp->rd_date);
358 	cvs_printf("\ndate: %s;  author: %s;  state: %s;",
359 	    timeb, rdp->rd_author, rdp->rd_state);
360 
361 	/*
362 	 * If we are a branch revision, the diff of this revision is stored
363 	 * in place.
364 	 * Otherwise, it is stored in the previous revision as a reversed diff.
365 	 */
366 	if (RCSNUM_ISBRANCHREV(rdp->rd_num))
367 		nrdp = rdp;
368 	else
369 		nrdp = TAILQ_NEXT(rdp, rd_list);
370 
371 	/*
372 	 * We do not write diff stats for the first revision of the default
373 	 * branch, since it was not a diff but a full text.
374 	 */
375 	if (nrdp != NULL && rdp->rd_num->rn_len == nrdp->rd_num->rn_len) {
376 		int added, removed;
377 		rcs_delta_stats(nrdp, &added, &removed);
378 		if (RCSNUM_ISBRANCHREV(rdp->rd_num))
379 			cvs_printf("  lines: +%d -%d", added, removed);
380 		else
381 			cvs_printf("  lines: +%d -%d", removed, added);
382 	}
383 	cvs_printf("\n");
384 
385 	if (!TAILQ_EMPTY(&(rdp->rd_branches))) {
386 		cvs_printf("branches:");
387 		TAILQ_FOREACH(rb, &(rdp->rd_branches), rb_list) {
388 			RCSNUM *branch;
389 			branch = rcsnum_revtobr(rb->rb_num);
390 			rcsnum_tostr(branch, numb, sizeof(numb));
391 			cvs_printf("  %s;", numb);
392 			rcsnum_free(branch);
393 		}
394 		cvs_printf("\n");
395 	}
396 
397 	cvs_printf("%s", rdp->rd_log);
398 }
399 
400 static char *
401 push_date(char *dest, const char *src)
402 {
403 	size_t len;
404 
405 	if (dest == NULL)
406 		return (xstrdup(src));
407 
408 	/* 2 = ; and '\0' */
409 	len = strlen(dest) + strlen(src) + 2;
410 
411 	dest[strlen(dest)] = ';';
412 	dest = xrealloc(dest, len, 1);
413 	strlcat(dest, src, len);
414 	return (dest);
415 }
416 
417 static u_int
418 date_select(RCSFILE *file, char *date)
419 {
420 	int i, nrev, flags;
421 	struct rcs_delta *rdp;
422 	struct cvs_argvector *args;
423 	char *first, *last, delim;
424 	time_t firstdate, lastdate, rcsdate;
425 
426 	nrev = 0;
427 	args = cvs_strsplit(date, ";");
428 
429 	for (i = 0; args->argv[i] != NULL; i++) {
430 		flags = 0;
431 		firstdate = lastdate = -1;
432 
433 		first = args->argv[i];
434 		last = strchr(args->argv[i], '<');
435 		if (last != NULL) {
436 			delim = *last;
437 			*last++ = '\0';
438 
439 			if (*last == '=') {
440 				last++;
441 				flags |= LDATE_INCLUSIVE;
442 			}
443 		} else {
444 			last = strchr(args->argv[i], '>');
445 			if (last != NULL) {
446 				delim = *last;
447 				*last++ = '\0';
448 
449 				if (*last == '=') {
450 					last++;
451 					flags |= LDATE_INCLUSIVE;
452 				}
453 			}
454 		}
455 
456 		if (last == NULL) {
457 			flags |= LDATE_SINGLE;
458 			if ((firstdate = date_parse(first)) == -1)
459 				return -1;
460 			delim = '\0';
461 			last = "\0";
462 		} else {
463 			while (*last && isspace(*last))
464 				last++;
465 		}
466 
467 		if (delim == '>' && *last == '\0') {
468 			flags |= LDATE_EARLIER;
469 			if ((firstdate = date_parse(first)) == -1)
470 				return -1;
471 		}
472 
473 		if (delim == '>' && *first == '\0' && *last != '\0') {
474 			flags |= LDATE_LATER;
475 			if ((firstdate = date_parse(last)) == -1)
476 				return -1;
477 		}
478 
479 		if (delim == '<' && *last == '\0') {
480 			flags |= LDATE_LATER;
481 			if ((firstdate = date_parse(first)) == -1)
482 				return -1;
483 		}
484 
485 		if (delim == '<' && *first == '\0' && *last != '\0') {
486 			flags |= LDATE_EARLIER;
487 			if ((firstdate = date_parse(last)) == -1)
488 				return -1;
489 		}
490 
491 		if (*first != '\0' && *last != '\0') {
492 			flags |= LDATE_RANGE;
493 
494 			if (delim == '<') {
495 				firstdate = date_parse(first);
496 				lastdate = date_parse(last);
497 			} else {
498 				firstdate = date_parse(last);
499 				lastdate = date_parse(first);
500 			}
501 			if (firstdate == -1 || lastdate == -1)
502 				return -1;
503 		}
504 
505 		TAILQ_FOREACH(rdp, &(file->rf_delta), rd_list) {
506 			rcsdate = mktime(&(rdp->rd_date));
507 
508 			if (flags & LDATE_SINGLE) {
509 				if (rcsdate <= firstdate) {
510 					rdp->rd_flags |= RCS_RD_SELECT;
511 					nrev++;
512 					break;
513 				}
514 			}
515 
516 			if (flags & LDATE_EARLIER) {
517 				if (rcsdate < firstdate) {
518 					rdp->rd_flags |= RCS_RD_SELECT;
519 					nrev++;
520 					continue;
521 				}
522 
523 				if (flags & LDATE_INCLUSIVE &&
524 				    (rcsdate <= firstdate)) {
525 					rdp->rd_flags |= RCS_RD_SELECT;
526 					nrev++;
527 					continue;
528 				}
529 			}
530 
531 			if (flags & LDATE_LATER) {
532 				if (rcsdate > firstdate) {
533 					rdp->rd_flags |= RCS_RD_SELECT;
534 					nrev++;
535 					continue;
536 				}
537 
538 				if (flags & LDATE_INCLUSIVE &&
539 				    (rcsdate >= firstdate)) {
540 					rdp->rd_flags |= RCS_RD_SELECT;
541 					nrev++;
542 					continue;
543 				}
544 			}
545 
546 			if (flags & LDATE_RANGE) {
547 				if ((rcsdate > firstdate) &&
548 				    (rcsdate < lastdate)) {
549 					rdp->rd_flags |= RCS_RD_SELECT;
550 					nrev++;
551 					continue;
552 				}
553 
554 				if (flags & LDATE_INCLUSIVE &&
555 				    ((rcsdate >= firstdate) &&
556 				    (rcsdate <= lastdate))) {
557 					rdp->rd_flags |= RCS_RD_SELECT;
558 					nrev++;
559 					continue;
560 				}
561 			}
562 		}
563 	}
564 
565 	cvs_argv_destroy(args);
566 
567 	return (nrev);
568 }
569