Annotation of src/usr.bin/rcs/co.c, Revision 1.70
1.70 ! xsa 1: /* $OpenBSD: co.c,v 1.69 2006/03/30 23:06:25 joris Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
1.51 xsa 27: #include "includes.h"
1.1 joris 28:
29: #include "rcsprog.h"
30:
1.70 ! xsa 31: #define CO_OPTSTRING "d:f::I::k:l::M::p::q::r::s:Tu::Vw::x::z::"
1.38 xsa 32:
1.43 xsa 33: static void checkout_err_nobranch(RCSFILE *, const char *, const char *,
34: const char *, int);
1.4 joris 35:
1.1 joris 36: int
37: checkout_main(int argc, char **argv)
38: {
1.64 niallo 39: int i, ch, flags, kflag, status;
1.4 joris 40: RCSNUM *frev, *rev;
1.1 joris 41: RCSFILE *file;
1.45 joris 42: char fpath[MAXPATHLEN];
1.49 joris 43: char *author, *username, *date;
1.38 xsa 44: const char *state;
1.37 xsa 45: time_t rcs_mtime = -1;
1.1 joris 46:
1.64 niallo 47: flags = status = 0;
1.33 xsa 48: kflag = RCS_KWEXP_ERR;
1.1 joris 49: rev = RCS_HEAD_REV;
1.6 joris 50: frev = NULL;
1.44 joris 51: state = NULL;
52: author = NULL;
1.49 joris 53: date = NULL;
1.4 joris 54:
1.38 xsa 55: while ((ch = rcs_getopt(argc, argv, CO_OPTSTRING)) != -1) {
1.1 joris 56: switch (ch) {
1.49 joris 57: case 'd':
58: date = xstrdup(rcs_optarg);
59: break;
1.18 joris 60: case 'f':
1.19 joris 61: rcs_set_rev(rcs_optarg, &rev);
1.24 niallo 62: flags |= FORCE;
1.18 joris 63: break;
1.65 niallo 64: case 'I':
65: rcs_set_rev(rcs_optarg, &rev);
66: flags |= INTERACTIVE;
67: break;
68:
1.33 xsa 69: case 'k':
70: kflag = rcs_kflag_get(rcs_optarg);
71: if (RCS_KWEXP_INVAL(kflag)) {
72: cvs_log(LP_ERR,
73: "invalid RCS keyword expansion mode");
74: (usage)();
75: exit(1);
76: }
77: break;
1.4 joris 78: case 'l':
1.19 joris 79: rcs_set_rev(rcs_optarg, &rev);
1.53 xsa 80: if (flags & CO_UNLOCK) {
81: cvs_log(LP_ERR, "warning: -u overridden by -l");
82: flags &= ~CO_UNLOCK;
83: }
1.24 niallo 84: flags |= CO_LOCK;
1.26 niallo 85: break;
86: case 'M':
87: rcs_set_rev(rcs_optarg, &rev);
88: flags |= CO_REVDATE;
1.4 joris 89: break;
1.20 joris 90: case 'p':
91: rcs_set_rev(rcs_optarg, &rev);
92: pipeout = 1;
93: break;
1.3 joris 94: case 'q':
1.32 xsa 95: rcs_set_rev(rcs_optarg, &rev);
1.3 joris 96: verbose = 0;
97: break;
1.1 joris 98: case 'r':
1.19 joris 99: rcs_set_rev(rcs_optarg, &rev);
1.4 joris 100: break;
1.24 niallo 101: case 's':
1.47 joris 102: state = xstrdup(rcs_optarg);
1.24 niallo 103: flags |= CO_STATE;
1.34 xsa 104: break;
105: case 'T':
106: flags |= PRESERVETIME;
1.24 niallo 107: break;
1.4 joris 108: case 'u':
1.19 joris 109: rcs_set_rev(rcs_optarg, &rev);
1.53 xsa 110: if (flags & CO_LOCK) {
111: cvs_log(LP_ERR, "warning: -l overridden by -u");
112: flags &= ~CO_LOCK;
113: }
1.24 niallo 114: flags |= CO_UNLOCK;
1.1 joris 115: break;
1.7 joris 116: case 'V':
117: printf("%s\n", rcs_version);
118: exit(0);
1.62 ray 119: /* NOTREACHED */
1.38 xsa 120: case 'w':
1.44 joris 121: /* if no argument, assume current user */
122: if (rcs_optarg == NULL) {
1.48 xsa 123: if ((author = getlogin()) == NULL)
124: fatal("getlogin failed");
1.47 joris 125: } else
126: author = xstrdup(rcs_optarg);
1.43 xsa 127: flags |= CO_AUTHOR;
1.38 xsa 128: break;
1.30 xsa 129: case 'x':
1.66 ray 130: /* Use blank extension if none given. */
131: rcs_suffixes = rcs_optarg ? rcs_optarg : "";
1.59 joris 132: break;
133: case 'z':
134: timezone_flag = rcs_optarg;
1.30 xsa 135: break;
1.1 joris 136: default:
137: (usage)();
138: exit(1);
139: }
140: }
141:
1.13 joris 142: argc -= rcs_optind;
143: argv += rcs_optind;
1.1 joris 144:
145: if (argc == 0) {
146: cvs_log(LP_ERR, "no input file");
147: (usage)();
148: exit (1);
149: }
1.11 deraadt 150:
1.44 joris 151: if ((username = getlogin()) == NULL) {
1.38 xsa 152: cvs_log(LP_ERRNO, "failed to get username");
153: exit (1);
154: }
155:
1.1 joris 156: for (i = 0; i < argc; i++) {
1.69 joris 157: frev = NULL;
1.1 joris 158: if (rcs_statfile(argv[i], fpath, sizeof(fpath)) < 0)
159: continue;
160:
1.21 niallo 161: if (verbose == 1)
1.22 xsa 162: printf("%s --> %s\n", fpath,
163: (pipeout == 1) ? "standard output" : argv[i]);
1.35 xsa 164:
165: if ((flags & CO_LOCK) && (kflag & RCS_KWEXP_VAL)) {
166: cvs_log(LP_ERR, "%s: cannot combine -kv and -l", fpath);
167: continue;
168: }
1.21 niallo 169:
1.50 niallo 170: if ((file = rcs_open(fpath, RCS_RDWR|RCS_PARSE_FULLY)) == NULL)
1.1 joris 171: continue;
172:
1.37 xsa 173: if (flags & PRESERVETIME)
174: rcs_mtime = rcs_get_mtime(file->rf_path);
175:
176: if (kflag != RCS_KWEXP_ERR)
177: rcs_kwexp_set(file, kflag);
178:
1.4 joris 179: if (rev == RCS_HEAD_REV)
180: frev = file->rf_head;
181: else
182: frev = rev;
1.17 joris 183:
1.64 niallo 184: if ((status = checkout_rev(file, frev, argv[i], flags,
185: username, author, state, date)) < 0) {
1.24 niallo 186: rcs_close(file);
187: continue;
1.8 niallo 188: }
1.58 xsa 189:
190: if (verbose == 1)
191: printf("done\n");
1.17 joris 192:
1.1 joris 193: rcs_close(file);
1.37 xsa 194:
195: if (flags & PRESERVETIME)
196: rcs_set_mtime(fpath, rcs_mtime);
1.1 joris 197: }
198:
1.69 joris 199: if ((rev != RCS_HEAD_REV) && (frev != NULL))
1.5 joris 200: rcsnum_free(frev);
1.1 joris 201:
1.64 niallo 202: return (status);
1.1 joris 203: }
204:
205: void
206: checkout_usage(void)
207: {
1.11 deraadt 208: fprintf(stderr,
1.42 xsa 209: "usage: co [-TV] [-ddate] [-f[rev]] [-I[rev]] [-kmode] [-l[rev]]\n"
210: " [-M[rev]] [-p[rev]] [-q[rev]] [-r[rev]] [-sstate]\n"
211: " [-u[rev]] [-w[user]] [-xsuffixes] [-ztz] file ...\n");
1.1 joris 212: }
1.14 niallo 213:
214: /*
215: * Checkout revision <rev> from RCSFILE <file>, writing it to the path <dst>
1.29 xsa 216: * Currenly recognised <flags> are CO_LOCK, CO_UNLOCK and CO_REVDATE.
1.14 niallo 217: *
1.49 joris 218: * Looks up revision based upon <lockname>, <author>, <state> and <date>
1.44 joris 219: *
1.14 niallo 220: * Returns 0 on success, -1 on failure.
221: */
222: int
1.24 niallo 223: checkout_rev(RCSFILE *file, RCSNUM *frev, const char *dst, int flags,
1.49 joris 224: const char *lockname, const char *author, const char *state,
225: const char *date)
1.14 niallo 226: {
1.44 joris 227: BUF *bp;
1.69 joris 228: u_int i;
1.44 joris 229: int lcount;
1.60 niallo 230: char buf[16];
1.14 niallo 231: mode_t mode = 0444;
1.18 joris 232: struct stat st;
1.44 joris 233: struct rcs_delta *rdp;
234: struct rcs_lock *lkp;
1.49 joris 235: char *content, msg[128], *fdate;
236: time_t rcsdate, givendate;
1.69 joris 237: RCSNUM *rev;
1.49 joris 238:
239: rcsdate = givendate = -1;
240: if (date != NULL)
241: givendate = cvs_date_parse(date);
1.14 niallo 242:
1.69 joris 243: /* XXX rcsnum_cmp()
244: * Check out the latest revision if <frev> is greater than HEAD
245: */
246: for (i = 0; i < file->rf_head->rn_len; i++) {
247: if (file->rf_head->rn_id[i] < frev->rn_id[i]) {
248: frev = file->rf_head;
249: break;
250: }
251: }
1.15 niallo 252:
1.44 joris 253: lcount = 0;
254: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
255: if (!strcmp(lkp->rl_name, lockname))
256: lcount++;
257: }
258:
259: /*
260: * If the user didn't specify any revision, we cycle through
261: * revisions to lookup the first one that matches what he specified.
262: *
263: * If we cannot find one, we return an error.
264: */
265: rdp = NULL;
266: if (frev == file->rf_head) {
267: if (lcount > 1) {
268: cvs_log(LP_WARN,
269: "multiple revisions locked by %s; "
270: "please specify one", lockname);
271: return (-1);
272: }
273:
274: TAILQ_FOREACH(rdp, &file->rf_delta, rd_list) {
1.49 joris 275: if (date != NULL) {
276: fdate = asctime(&rdp->rd_date);
277: rcsdate = cvs_date_parse(fdate);
278: if (givendate <= rcsdate)
279: continue;
280: }
281:
1.44 joris 282: if ((author != NULL) &&
283: (strcmp(rdp->rd_author, author)))
284: continue;
1.49 joris 285:
1.44 joris 286: if ((state != NULL) &&
287: (strcmp(rdp->rd_state, state)))
288: continue;
289:
290: frev = rdp->rd_num;
291: break;
292: }
293: } else {
294: rdp = rcs_findrev(file, frev);
295: }
296:
297: if (rdp == NULL) {
1.49 joris 298: checkout_err_nobranch(file, author, date, state, flags);
1.44 joris 299: return (-1);
300: }
301:
1.69 joris 302: rev = rdp->rd_num;
303: rcsnum_tostr(rev, buf, sizeof(buf));
1.15 niallo 304:
1.44 joris 305: if (rdp->rd_locker != NULL) {
306: if (strcmp(lockname, rdp->rd_locker)) {
307: strlcpy(msg, "Revision %s is already locked by %s; ",
308: sizeof(msg));
309: if (flags & CO_UNLOCK)
310: strlcat(msg, "use co -r or rcs -u", sizeof(msg));
311: cvs_log(LP_ERR, msg, buf, rdp->rd_locker);
312: return (-1);
313: }
314: }
315:
1.53 xsa 316: if ((verbose == 1) && !(flags & NEWFILE))
1.18 joris 317: printf("revision %s", buf);
318:
1.44 joris 319:
1.69 joris 320: if ((bp = rcs_getrev(file, rev)) == NULL) {
1.14 niallo 321: cvs_log(LP_ERR, "cannot find revision `%s'", buf);
322: return (-1);
323: }
1.69 joris 324:
1.55 niallo 325: /*
326: * Do keyword expansion if required.
327: */
1.69 joris 328: bp = rcs_kwexp_buf(bp, file, rev);
1.14 niallo 329:
1.67 niallo 330: /*
331: * File inherits permissions from its ,v file
332: */
333: if (stat(file->rf_path, &st) == -1)
334: fatal("could not stat rcsfile");
335:
336: mode = st.st_mode;
337:
1.24 niallo 338: if (flags & CO_LOCK) {
1.44 joris 339: if ((lockname != NULL)
1.69 joris 340: && (rcs_lock_add(file, lockname, rev) < 0)) {
1.44 joris 341: if (rcs_errno != RCS_ERR_DUPENT)
342: return (-1);
1.14 niallo 343: }
1.18 joris 344:
1.67 niallo 345: /* Strip all write bits from mode */
346: mode = st.st_mode &
347: (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH);
348: mode |= S_IWUSR;
1.53 xsa 349: if ((verbose == 1) && !(flags & NEWFILE))
1.57 xsa 350: printf(" (locked)");
1.24 niallo 351: } else if (flags & CO_UNLOCK) {
1.69 joris 352: if (rcs_lock_remove(file, lockname, rev) < 0) {
1.46 joris 353: if (rcs_errno != RCS_ERR_NOENT)
354: return (-1);
355: }
1.18 joris 356:
1.67 niallo 357: /* Strip all write bits from mode */
358: mode = st.st_mode &
359: (S_IXUSR|S_IXGRP|S_IXOTH|S_IRUSR|S_IRGRP|S_IROTH);
1.53 xsa 360: if ((verbose == 1) && !(flags & NEWFILE))
1.57 xsa 361: printf(" (unlocked)");
1.18 joris 362: }
1.56 xsa 363:
364: if ((verbose == 1) && !(flags & NEWFILE))
365: printf("\n");
1.18 joris 366:
1.44 joris 367: if (flags & CO_LOCK) {
368: lcount++;
1.63 xsa 369: if ((verbose == 1) && (lcount > 1))
370: cvs_log(LP_WARN, "%s: warning: You now have %d locks.",
371: file->rf_path, lcount);
1.44 joris 372: }
373:
1.41 xsa 374: if ((pipeout == 0) && (stat(dst, &st) == 0) && !(flags & FORCE)) {
1.68 ray 375: /*
376: * XXX - Not sure what is "right". If we go according
377: * to GNU's behavior, an existing file with no writable
378: * bits is overwritten without prompting the user.
379: *
380: * This is dangerous, so we always prompt.
381: * Unfortunately this interferes with an unlocked
382: * checkout followed by a locked checkout, which should
383: * not prompt. One (unimplemented) solution is to check
384: * if the existing file is the same as the checked out
385: * revision, and prompt if there are differences.
386: */
387: if (st.st_mode & (S_IWUSR|S_IWGRP|S_IWOTH))
1.61 ray 388: printf("writable ");
389: printf("%s exists%s; ", dst,
390: (getuid() == st.st_uid) ? "" :
391: ", and you do not own it");
392: printf("remove it? [ny](n): ");
393: /* default is n */
394: if (cvs_yesno() == -1) {
1.68 ray 395: if ((verbose == 1) && isatty(STDIN_FILENO))
396: cvs_log(LP_ERR,
397: "writable %s exists; checkout aborted",
398: dst);
399: else
400: cvs_log(LP_ERR, "checkout aborted");
1.61 ray 401: return (-1);
1.18 joris 402: }
1.14 niallo 403: }
1.17 joris 404:
1.20 joris 405: if (pipeout == 1) {
406: cvs_buf_putc(bp, '\0');
407: content = cvs_buf_release(bp);
408: printf("%s", content);
1.47 joris 409: xfree(content);
1.20 joris 410: } else {
411: if (cvs_buf_write(bp, dst, mode) < 0) {
412: cvs_log(LP_ERR, "failed to write revision to file");
413: cvs_buf_free(bp);
414: return (-1);
415: }
1.14 niallo 416: cvs_buf_free(bp);
1.24 niallo 417: if (flags & CO_REVDATE) {
418: struct timeval tv[2];
1.36 xsa 419: memset(&tv, 0, sizeof(tv));
1.69 joris 420: tv[0].tv_sec = (long)rcs_rev_getdate(file, rev);
1.24 niallo 421: tv[1].tv_sec = tv[0].tv_sec;
422: if (utimes(dst, (const struct timeval *)&tv) < 0)
423: cvs_log(LP_ERRNO, "error setting utimes");
424: }
1.14 niallo 425: }
1.17 joris 426:
1.14 niallo 427: return (0);
1.43 xsa 428: }
429:
430: /*
431: * checkout_err_nobranch()
432: *
433: * XXX - should handle the dates too.
434: */
435: static void
436: checkout_err_nobranch(RCSFILE *file, const char *author, const char *date,
437: const char *state, int flags)
438: {
439: if (!(flags & CO_AUTHOR))
440: author = NULL;
441: if (!(flags & CO_STATE))
442: state = NULL;
443:
444: cvs_log(LP_ERR, "%s: No revision on branch has%s%s%s%s%s%s.",
445: file->rf_path,
446: date ? " a date before " : "",
447: date ? date : "",
448: author ? " and author " + (date ? 0:4 ) : "",
449: author ? author : "",
450: state ? " and state " + (date || author ? 0:4) : "",
451: state ? state : "");
1.24 niallo 452: }
![[BACK]](/icons/back.gif){kind=icon}
Return to co.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / rcs