xref: /openbsd-src/usr.bin/cvs/getlog.c (revision d4741794dd2f512d997014f8bd85fbb24d935059)
1 /*	$OpenBSD: getlog.c,v 1.100 2016/10/15 22:20:17 millert 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 <stdlib.h>
21 #include <string.h>
22 #include <errno.h>
23 #include <ctype.h>
24 
25 #include "cvs.h"
26 #include "remote.h"
27 
28 #define L_HEAD		0x01
29 #define L_HEAD_DESCR	0x02
30 #define L_NAME		0x04
31 #define L_NOTAGS	0x08
32 #define L_LOGINS	0x10
33 #define L_STATES	0x20
34 
35 #define LDATE_LATER	0x01
36 #define LDATE_EARLIER	0x02
37 #define LDATE_SINGLE	0x04
38 #define LDATE_RANGE	0x08
39 #define LDATE_INCLUSIVE	0x10
40 
41 void		 cvs_log_local(struct cvs_file *);
42 static void	 log_rev_print(struct rcs_delta *);
43 static char 	*push_date(char *dest, const char *);
44 static u_int	 date_select(RCSFILE *, char *);
45 
46 int	 runflags = 0;
47 char	*logrev = NULL;
48 char	*logdate = NULL;
49 char	*slist = NULL;
50 char	*wlist = NULL;
51 
52 struct cvs_cmd cvs_cmd_log = {
53 	CVS_OP_LOG, CVS_USE_WDIR, "log",
54 	{ "lo" },
55 	"Print out history information for files",
56 	"[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
57 	"bd:hlNRr:s:tw:",
58 	NULL,
59 	cvs_getlog
60 };
61 
62 struct cvs_cmd cvs_cmd_rlog = {
63 	CVS_OP_RLOG, 0, "rlog",
64 	{ "rlo" },
65 	"Print out history information for files",
66 	"[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
67 	"bd:hlNRr:s:tw:",
68 	NULL,
69 	cvs_getlog
70 };
71 
72 int
73 cvs_getlog(int argc, char **argv)
74 {
75 	int ch, flags, i;
76 	char *arg = ".";
77 	struct cvs_recursion cr;
78 
79 	flags = CR_RECURSE_DIRS;
80 
81 	while ((ch = getopt(argc, argv, cvs_cmdop == CVS_OP_LOG ?
82 	    cvs_cmd_log.cmd_opts : cvs_cmd_rlog.cmd_opts)) != -1) {
83 		switch (ch) {
84 		case 'd':
85 			logdate = push_date(logdate, optarg);
86 			break;
87 		case 'h':
88 			runflags |= L_HEAD;
89 			break;
90 		case 'l':
91 			flags &= ~CR_RECURSE_DIRS;
92 			break;
93 		case 'N':
94 			runflags |= L_NOTAGS;
95 			break;
96 		case 'R':
97 			runflags |= L_NAME;
98 			break;
99 		case 'r':
100 			logrev = optarg;
101 			break;
102 		case 's':
103 			runflags |= L_STATES;
104 			slist = optarg;
105 			break;
106 		case 't':
107 			runflags |= L_HEAD_DESCR;
108 			break;
109 		case 'w':
110 			runflags |= L_LOGINS;
111 			wlist = optarg;
112 			break;
113 		default:
114 			fatal("%s", cvs_cmdop == CVS_OP_LOG ?
115 			    cvs_cmd_log.cmd_synopsis :
116 			    cvs_cmd_rlog.cmd_synopsis);
117 		}
118 	}
119 
120 	argc -= optind;
121 	argv += optind;
122 
123 	if (cvs_cmdop == CVS_OP_RLOG) {
124 		flags |= CR_REPO;
125 
126 		if (argc == 0)
127 			return 0;
128 
129 		for (i = 0; i < argc; i++)
130 			if (argv[i][0] == '/')
131 				fatal("Absolute path name is invalid: %s",
132 				    argv[i]);
133 	}
134 
135 	cr.enterdir = NULL;
136 	cr.leavedir = NULL;
137 
138 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
139 		cvs_client_connect_to_server();
140 		cr.fileproc = cvs_client_sendfile;
141 
142 		if (logdate != NULL)
143 			cvs_client_send_request("Argument -d%s", logdate);
144 
145 		if (runflags & L_HEAD)
146 			cvs_client_send_request("Argument -h");
147 
148 		if (!(flags & CR_RECURSE_DIRS))
149 			cvs_client_send_request("Argument -l");
150 
151 		if (runflags & L_NOTAGS)
152 			cvs_client_send_request("Argument -N");
153 
154 		if (runflags & L_NAME)
155 			cvs_client_send_request("Argument -R");
156 
157 		if (logrev != NULL)
158 			cvs_client_send_request("Argument -r%s", logrev);
159 
160 		if (runflags & L_STATES)
161 			cvs_client_send_request("Argument -s%s", slist);
162 
163 		if (runflags & L_HEAD_DESCR)
164 			cvs_client_send_request("Argument -t");
165 
166 		if (runflags & L_LOGINS)
167 			cvs_client_send_request("Argument -w%s", wlist);
168 	} else {
169 		if (cvs_cmdop == CVS_OP_RLOG &&
170 		    chdir(current_cvsroot->cr_dir) == -1)
171 			fatal("cvs_getlog: %s", strerror(errno));
172 
173 		cr.fileproc = cvs_log_local;
174 	}
175 
176 	cr.flags = flags;
177 
178 	if (cvs_cmdop == CVS_OP_LOG ||
179 	    current_cvsroot->cr_method == CVS_METHOD_LOCAL) {
180 		if (argc > 0)
181 			cvs_file_run(argc, argv, &cr);
182 		else
183 			cvs_file_run(1, &arg, &cr);
184 	}
185 
186 	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
187 		cvs_client_send_files(argv, argc);
188 		cvs_client_senddir(".");
189 
190 		cvs_client_send_request((cvs_cmdop == CVS_OP_RLOG) ?
191 		    "rlog" : "log");
192 
193 		cvs_client_get_responses();
194 	}
195 
196 	return (0);
197 }
198 
199 void
200 cvs_log_local(struct cvs_file *cf)
201 {
202 	u_int nrev;
203 	RCSNUM *rev;
204 	struct rcs_sym *sym;
205 	struct rcs_lock *lkp;
206 	struct rcs_delta *rdp;
207 	struct rcs_access *acp;
208 	char numb[CVS_REV_BUFSZ];
209 
210 	cvs_log(LP_TRACE, "cvs_log_local(%s)", cf->file_path);
211 
212 	cvs_file_classify(cf, cvs_directory_tag);
213 
214 	if (cf->file_type == CVS_DIR) {
215 		if (verbosity > 1)
216 			cvs_log(LP_ERR, "Logging %s", cf->file_path);
217 		return;
218 	}
219 
220 	if (cf->file_rcs == NULL) {
221 		return;
222 	} else if (cf->file_status == FILE_ADDED) {
223 		if (verbosity > 0)
224 			cvs_log(LP_ERR, "%s has been added, but not committed",
225 			    cf->file_path);
226 		return;
227 	}
228 
229 	if (runflags & L_NAME) {
230 		cvs_printf("%s\n", cf->file_rpath);
231 		return;
232 	}
233 
234 	if (logrev != NULL)
235 		nrev = cvs_revision_select(cf->file_rcs, logrev);
236 	else if (logdate != NULL) {
237 		if ((nrev = date_select(cf->file_rcs, logdate)) == (u_int)-1) {
238 			cvs_log(LP_ERR, "invalid date: %s", logdate);
239 			return;
240 		}
241 	} else
242 		nrev = cf->file_rcs->rf_ndelta;
243 
244 	cvs_printf("\nRCS file: %s", cf->file_rpath);
245 
246 	if (cvs_cmdop != CVS_OP_RLOG)
247 		cvs_printf("\nWorking file: %s", cf->file_path);
248 
249 	cvs_printf("\nhead:");
250 	if (cf->file_rcs->rf_head != NULL)
251 		cvs_printf(" %s", rcsnum_tostr(cf->file_rcs->rf_head,
252 		    numb, sizeof(numb)));
253 
254 	cvs_printf("\nbranch:");
255 	if (rcs_branch_get(cf->file_rcs) != NULL) {
256 		cvs_printf(" %s", rcsnum_tostr(rcs_branch_get(cf->file_rcs),
257 		    numb, sizeof(numb)));
258 	}
259 
260 	cvs_printf("\nlocks: %s", (cf->file_rcs->rf_flags & RCS_SLOCK)
261 	    ? "strict" : "");
262 	TAILQ_FOREACH(lkp, &(cf->file_rcs->rf_locks), rl_list)
263 		cvs_printf("\n\t%s: %s", lkp->rl_name,
264 		    rcsnum_tostr(lkp->rl_num, numb, sizeof(numb)));
265 
266 	cvs_printf("\naccess list:\n");
267 	TAILQ_FOREACH(acp, &(cf->file_rcs->rf_access), ra_list)
268 		cvs_printf("\t%s\n", acp->ra_name);
269 
270 	if (!(runflags & L_NOTAGS)) {
271 		cvs_printf("symbolic names:\n");
272 		TAILQ_FOREACH(sym, &(cf->file_rcs->rf_symbols), rs_list) {
273 			rev = rcsnum_alloc();
274 			rcsnum_cpy(sym->rs_num, rev, 0);
275 			if (RCSNUM_ISBRANCH(sym->rs_num))
276 				rcsnum_addmagic(rev);
277 
278 			cvs_printf("\t%s: %s\n", sym->rs_name,
279 			    rcsnum_tostr(rev, numb, sizeof(numb)));
280 			free(rev);
281 		}
282 	}
283 
284 	cvs_printf("keyword substitution: %s\n",
285 	    cf->file_rcs->rf_expand == NULL ? "kv" : cf->file_rcs->rf_expand);
286 
287 	cvs_printf("total revisions: %u", cf->file_rcs->rf_ndelta);
288 
289 	if (cf->file_rcs->rf_head != NULL &&
290 	    !(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR))
291 		cvs_printf(";\tselected revisions: %u", nrev);
292 
293 	cvs_printf("\n");
294 
295 	if (!(runflags & L_HEAD) || (runflags & L_HEAD_DESCR))
296 		cvs_printf("description:\n%s", cf->file_rcs->rf_desc);
297 
298 	if (!(runflags & L_HEAD) && !(runflags & L_HEAD_DESCR)) {
299 		TAILQ_FOREACH(rdp, &(cf->file_rcs->rf_delta), rd_list) {
300 			/*
301 			 * if selections are enabled verify that entry is
302 			 * selected.
303 			 */
304 			if ((logrev == NULL && logdate == NULL) ||
305 			    (rdp->rd_flags & RCS_RD_SELECT))
306 				log_rev_print(rdp);
307 		}
308 	}
309 
310 	cvs_printf("%s\n", LOG_REVEND);
311 }
312 
313 static void
314 log_rev_print(struct rcs_delta *rdp)
315 {
316 	int i, found;
317 	char numb[CVS_REV_BUFSZ], timeb[CVS_TIME_BUFSZ];
318 	struct cvs_argvector *sargv, *wargv;
319 	struct rcs_branch *rb;
320 	struct rcs_delta *nrdp;
321 
322 	i = found = 0;
323 
324 	/* -s states */
325 	if (runflags & L_STATES) {
326 		sargv = cvs_strsplit(slist, ",");
327 		for (i = 0; sargv->argv[i] != NULL; i++) {
328 			if (strcmp(rdp->rd_state, sargv->argv[i]) == 0) {
329 				found++;
330 				break;
331 			}
332 			found = 0;
333 		}
334 		cvs_argv_destroy(sargv);
335 	}
336 
337 	/* -w[logins] */
338 	if (runflags & L_LOGINS) {
339 		wargv = cvs_strsplit(wlist, ",");
340 		for (i = 0; wargv->argv[i] != NULL; i++) {
341 			if (strcmp(rdp->rd_author, wargv->argv[i]) == 0) {
342 				found++;
343 				break;
344 			}
345 			found = 0;
346 		}
347 		cvs_argv_destroy(wargv);
348 	}
349 
350 	if ((runflags & (L_STATES|L_LOGINS)) && found == 0)
351 		return;
352 
353 	cvs_printf("%s\n", LOG_REVSEP);
354 
355 	rcsnum_tostr(rdp->rd_num, numb, sizeof(numb));
356 	cvs_printf("revision %s", numb);
357 
358 	strftime(timeb, sizeof(timeb), "%Y/%m/%d %H:%M:%S", &rdp->rd_date);
359 	cvs_printf("\ndate: %s;  author: %s;  state: %s;",
360 	    timeb, rdp->rd_author, rdp->rd_state);
361 
362 	/*
363 	 * If we are a branch revision, the diff of this revision is stored
364 	 * in place.
365 	 * Otherwise, it is stored in the previous revision as a reversed diff.
366 	 */
367 	if (RCSNUM_ISBRANCHREV(rdp->rd_num))
368 		nrdp = rdp;
369 	else
370 		nrdp = TAILQ_NEXT(rdp, rd_list);
371 
372 	/*
373 	 * We do not write diff stats for the first revision of the default
374 	 * branch, since it was not a diff but a full text.
375 	 */
376 	if (nrdp != NULL && rdp->rd_num->rn_len == nrdp->rd_num->rn_len) {
377 		int added, removed;
378 		rcs_delta_stats(nrdp, &added, &removed);
379 		if (RCSNUM_ISBRANCHREV(rdp->rd_num))
380 			cvs_printf("  lines: +%d -%d;", added, removed);
381 		else
382 			cvs_printf("  lines: +%d -%d;", removed, added);
383 	}
384 
385 	if (rdp->rd_commitid != NULL)
386 		printf("  commitid: %s;", rdp->rd_commitid);
387 
388 	cvs_printf("\n");
389 
390 	if (!TAILQ_EMPTY(&(rdp->rd_branches))) {
391 		cvs_printf("branches:");
392 		TAILQ_FOREACH(rb, &(rdp->rd_branches), rb_list) {
393 			RCSNUM *branch;
394 			branch = rcsnum_revtobr(rb->rb_num);
395 			rcsnum_tostr(branch, numb, sizeof(numb));
396 			cvs_printf("  %s;", numb);
397 			free(branch);
398 		}
399 		cvs_printf("\n");
400 	}
401 
402 	cvs_printf("%s", rdp->rd_log);
403 }
404 
405 static char *
406 push_date(char *dest, const char *src)
407 {
408 	size_t len;
409 
410 	if (dest == NULL)
411 		return (xstrdup(src));
412 
413 	/* 2 = ; and '\0' */
414 	len = strlen(dest) + strlen(src) + 2;
415 
416 	dest[strlen(dest)] = ';';
417 	dest = xreallocarray(dest, len, 1);
418 	strlcat(dest, src, len);
419 	return (dest);
420 }
421 
422 static u_int
423 date_select(RCSFILE *file, char *date)
424 {
425 	int i, nrev, flags;
426 	struct rcs_delta *rdp;
427 	struct cvs_argvector *args;
428 	char *first, *last, delim;
429 	time_t firstdate, lastdate, rcsdate;
430 
431 	nrev = 0;
432 	args = cvs_strsplit(date, ";");
433 
434 	for (i = 0; args->argv[i] != NULL; i++) {
435 		flags = 0;
436 		firstdate = lastdate = -1;
437 
438 		first = args->argv[i];
439 		last = strchr(args->argv[i], '<');
440 		if (last != NULL) {
441 			delim = *last;
442 			*last++ = '\0';
443 
444 			if (*last == '=') {
445 				last++;
446 				flags |= LDATE_INCLUSIVE;
447 			}
448 		} else {
449 			last = strchr(args->argv[i], '>');
450 			if (last != NULL) {
451 				delim = *last;
452 				*last++ = '\0';
453 
454 				if (*last == '=') {
455 					last++;
456 					flags |= LDATE_INCLUSIVE;
457 				}
458 			}
459 		}
460 
461 		if (last == NULL) {
462 			flags |= LDATE_SINGLE;
463 			if ((firstdate = date_parse(first)) == -1)
464 				return -1;
465 			delim = '\0';
466 			last = "\0";
467 		} else {
468 			while (*last && isspace((unsigned char)*last))
469 				last++;
470 		}
471 
472 		if (delim == '>' && *last == '\0') {
473 			flags |= LDATE_EARLIER;
474 			if ((firstdate = date_parse(first)) == -1)
475 				return -1;
476 		}
477 
478 		if (delim == '>' && *first == '\0' && *last != '\0') {
479 			flags |= LDATE_LATER;
480 			if ((firstdate = date_parse(last)) == -1)
481 				return -1;
482 		}
483 
484 		if (delim == '<' && *last == '\0') {
485 			flags |= LDATE_LATER;
486 			if ((firstdate = date_parse(first)) == -1)
487 				return -1;
488 		}
489 
490 		if (delim == '<' && *first == '\0' && *last != '\0') {
491 			flags |= LDATE_EARLIER;
492 			if ((firstdate = date_parse(last)) == -1)
493 				return -1;
494 		}
495 
496 		if (*first != '\0' && *last != '\0') {
497 			flags |= LDATE_RANGE;
498 
499 			if (delim == '<') {
500 				firstdate = date_parse(first);
501 				lastdate = date_parse(last);
502 			} else {
503 				firstdate = date_parse(last);
504 				lastdate = date_parse(first);
505 			}
506 			if (firstdate == -1 || lastdate == -1)
507 				return -1;
508 		}
509 
510 		TAILQ_FOREACH(rdp, &(file->rf_delta), rd_list) {
511 			rcsdate = mktime(&(rdp->rd_date));
512 
513 			if (flags & LDATE_SINGLE) {
514 				if (rcsdate <= firstdate) {
515 					rdp->rd_flags |= RCS_RD_SELECT;
516 					nrev++;
517 					break;
518 				}
519 			}
520 
521 			if (flags & LDATE_EARLIER) {
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_LATER) {
537 				if (rcsdate > firstdate) {
538 					rdp->rd_flags |= RCS_RD_SELECT;
539 					nrev++;
540 					continue;
541 				}
542 
543 				if (flags & LDATE_INCLUSIVE &&
544 				    (rcsdate >= firstdate)) {
545 					rdp->rd_flags |= RCS_RD_SELECT;
546 					nrev++;
547 					continue;
548 				}
549 			}
550 
551 			if (flags & LDATE_RANGE) {
552 				if ((rcsdate > firstdate) &&
553 				    (rcsdate < lastdate)) {
554 					rdp->rd_flags |= RCS_RD_SELECT;
555 					nrev++;
556 					continue;
557 				}
558 
559 				if (flags & LDATE_INCLUSIVE &&
560 				    ((rcsdate >= firstdate) &&
561 				    (rcsdate <= lastdate))) {
562 					rdp->rd_flags |= RCS_RD_SELECT;
563 					nrev++;
564 					continue;
565 				}
566 			}
567 		}
568 	}
569 
570 	cvs_argv_destroy(args);
571 
572 	return (nrev);
573 }
574