Annotation of src/usr.bin/rcs/co.c, Revision 1.47
1.47 ! joris 1: /* $OpenBSD: co.c,v 1.46 2005/12/09 06:59:27 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:
27: #include <sys/param.h>
28: #include <sys/stat.h>
29:
30: #include <stdio.h>
31: #include <stdlib.h>
32: #include <string.h>
1.4 joris 33: #include <unistd.h>
1.1 joris 34:
35: #include "log.h"
36: #include "rcs.h"
37: #include "rcsprog.h"
38:
1.38 xsa 39: #define CO_OPTSTRING "f::k:l::M::p::q::r::s:Tu::Vw::x:"
40:
1.43 xsa 41: static void checkout_err_nobranch(RCSFILE *, const char *, const char *,
42: const char *, int);
1.4 joris 43:
1.1 joris 44: int
45: checkout_main(int argc, char **argv)
46: {
1.33 xsa 47: int i, ch, flags, kflag;
1.4 joris 48: RCSNUM *frev, *rev;
1.1 joris 49: RCSFILE *file;
1.45 joris 50: char fpath[MAXPATHLEN];
1.44 joris 51: char *author, *username;
1.38 xsa 52: const char *state;
1.37 xsa 53: time_t rcs_mtime = -1;
1.1 joris 54:
1.24 niallo 55: flags = 0;
1.33 xsa 56: kflag = RCS_KWEXP_ERR;
1.1 joris 57: rev = RCS_HEAD_REV;
1.6 joris 58: frev = NULL;
1.44 joris 59: state = NULL;
60: author = NULL;
1.4 joris 61:
1.38 xsa 62: while ((ch = rcs_getopt(argc, argv, CO_OPTSTRING)) != -1) {
1.1 joris 63: switch (ch) {
1.18 joris 64: case 'f':
1.19 joris 65: rcs_set_rev(rcs_optarg, &rev);
1.24 niallo 66: flags |= FORCE;
1.18 joris 67: break;
1.33 xsa 68: case 'k':
69: kflag = rcs_kflag_get(rcs_optarg);
70: if (RCS_KWEXP_INVAL(kflag)) {
71: cvs_log(LP_ERR,
72: "invalid RCS keyword expansion mode");
73: (usage)();
74: exit(1);
75: }
76: break;
1.4 joris 77: case 'l':
1.19 joris 78: rcs_set_rev(rcs_optarg, &rev);
1.24 niallo 79: flags |= CO_LOCK;
1.26 niallo 80: break;
81: case 'M':
82: rcs_set_rev(rcs_optarg, &rev);
83: flags |= CO_REVDATE;
1.4 joris 84: break;
1.20 joris 85: case 'p':
86: rcs_set_rev(rcs_optarg, &rev);
87: pipeout = 1;
88: break;
1.3 joris 89: case 'q':
1.32 xsa 90: rcs_set_rev(rcs_optarg, &rev);
1.3 joris 91: verbose = 0;
92: break;
1.1 joris 93: case 'r':
1.19 joris 94: rcs_set_rev(rcs_optarg, &rev);
1.4 joris 95: break;
1.24 niallo 96: case 's':
1.47 ! joris 97: state = xstrdup(rcs_optarg);
1.24 niallo 98: flags |= CO_STATE;
1.34 xsa 99: break;
100: case 'T':
101: flags |= PRESERVETIME;
1.24 niallo 102: break;
1.4 joris 103: case 'u':
1.19 joris 104: rcs_set_rev(rcs_optarg, &rev);
1.24 niallo 105: flags |= CO_UNLOCK;
1.1 joris 106: break;
1.7 joris 107: case 'V':
108: printf("%s\n", rcs_version);
109: exit(0);
1.38 xsa 110: case 'w':
1.44 joris 111: /* if no argument, assume current user */
112: if (rcs_optarg == NULL) {
113: if ((author = getlogin()) == NULL) {
114: cvs_log(LP_ERRNO,
115: "could not get login");
116: exit(1);
117: }
1.47 ! joris 118: } else
! 119: author = xstrdup(rcs_optarg);
1.43 xsa 120: flags |= CO_AUTHOR;
1.38 xsa 121: break;
1.30 xsa 122: case 'x':
123: rcs_suffixes = rcs_optarg;
124: break;
1.1 joris 125: default:
126: (usage)();
127: exit(1);
128: }
129: }
130:
1.13 joris 131: argc -= rcs_optind;
132: argv += rcs_optind;
1.1 joris 133:
134: if (argc == 0) {
135: cvs_log(LP_ERR, "no input file");
136: (usage)();
137: exit (1);
138: }
1.11 deraadt 139:
1.44 joris 140: if ((username = getlogin()) == NULL) {
1.38 xsa 141: cvs_log(LP_ERRNO, "failed to get username");
142: exit (1);
143: }
144:
1.1 joris 145: for (i = 0; i < argc; i++) {
146: if (rcs_statfile(argv[i], fpath, sizeof(fpath)) < 0)
147: continue;
148:
1.21 niallo 149: if (verbose == 1)
1.22 xsa 150: printf("%s --> %s\n", fpath,
151: (pipeout == 1) ? "standard output" : argv[i]);
1.35 xsa 152:
153: if ((flags & CO_LOCK) && (kflag & RCS_KWEXP_VAL)) {
154: cvs_log(LP_ERR, "%s: cannot combine -kv and -l", fpath);
155: continue;
156: }
1.21 niallo 157:
1.4 joris 158: if ((file = rcs_open(fpath, RCS_RDWR)) == NULL)
1.1 joris 159: continue;
160:
1.37 xsa 161: if (flags & PRESERVETIME)
162: rcs_mtime = rcs_get_mtime(file->rf_path);
163:
164: if (kflag != RCS_KWEXP_ERR)
165: rcs_kwexp_set(file, kflag);
166:
1.4 joris 167: if (rev == RCS_HEAD_REV)
168: frev = file->rf_head;
169: else
170: frev = rev;
1.17 joris 171:
1.44 joris 172: if (checkout_rev(file, frev, argv[i], flags,
173: username, author, state) < 0) {
1.24 niallo 174: rcs_close(file);
175: continue;
1.8 niallo 176: }
1.17 joris 177:
1.1 joris 178: rcs_close(file);
1.37 xsa 179:
180: if (flags & PRESERVETIME)
181: rcs_set_mtime(fpath, rcs_mtime);
1.1 joris 182: }
183:
184: if (rev != RCS_HEAD_REV)
1.5 joris 185: rcsnum_free(frev);
1.1 joris 186:
187: return (0);
188: }
189:
190: void
191: checkout_usage(void)
192: {
1.11 deraadt 193: fprintf(stderr,
1.42 xsa 194: "usage: co [-TV] [-ddate] [-f[rev]] [-I[rev]] [-kmode] [-l[rev]]\n"
195: " [-M[rev]] [-p[rev]] [-q[rev]] [-r[rev]] [-sstate]\n"
196: " [-u[rev]] [-w[user]] [-xsuffixes] [-ztz] file ...\n");
1.1 joris 197: }
1.14 niallo 198:
199: /*
200: * Checkout revision <rev> from RCSFILE <file>, writing it to the path <dst>
1.29 xsa 201: * Currenly recognised <flags> are CO_LOCK, CO_UNLOCK and CO_REVDATE.
1.14 niallo 202: *
1.44 joris 203: * Looks up revision based upon <lockname>, <author>, <state>
204: *
1.14 niallo 205: * Returns 0 on success, -1 on failure.
206: */
207: int
1.24 niallo 208: checkout_rev(RCSFILE *file, RCSNUM *frev, const char *dst, int flags,
1.44 joris 209: const char *lockname, const char *author, const char *state)
1.14 niallo 210: {
1.44 joris 211: BUF *bp;
212: int lcount;
1.18 joris 213: char buf[16], yn;
1.14 niallo 214: mode_t mode = 0444;
1.18 joris 215: struct stat st;
1.44 joris 216: struct rcs_delta *rdp;
217: struct rcs_lock *lkp;
218: char *content, msg[128];
1.14 niallo 219:
1.39 xsa 220: /* Check out the latest revision if <frev> is greater than HEAD */
1.15 niallo 221: if (rcsnum_cmp(frev, file->rf_head, 0) == -1)
1.23 xsa 222: frev = file->rf_head;
1.15 niallo 223:
1.44 joris 224: lcount = 0;
225: TAILQ_FOREACH(lkp, &(file->rf_locks), rl_list) {
226: if (!strcmp(lkp->rl_name, lockname))
227: lcount++;
228: }
229:
230: /*
231: * If the user didn't specify any revision, we cycle through
232: * revisions to lookup the first one that matches what he specified.
233: *
234: * If we cannot find one, we return an error.
235: */
236: rdp = NULL;
237: if (frev == file->rf_head) {
238: if (lcount > 1) {
239: cvs_log(LP_WARN,
240: "multiple revisions locked by %s; "
241: "please specify one", lockname);
242: return (-1);
243: }
244:
245: TAILQ_FOREACH(rdp, &file->rf_delta, rd_list) {
246: if ((author != NULL) &&
247: (strcmp(rdp->rd_author, author)))
248: continue;
249: if ((state != NULL) &&
250: (strcmp(rdp->rd_state, state)))
251: continue;
252:
253: frev = rdp->rd_num;
254: break;
255: }
256: } else {
257: rdp = rcs_findrev(file, frev);
258: }
259:
260: if (rdp == NULL) {
261: checkout_err_nobranch(file, author, NULL, state, flags);
262: return (-1);
263: }
264:
1.15 niallo 265: rcsnum_tostr(frev, buf, sizeof(buf));
266:
1.44 joris 267: if (rdp->rd_locker != NULL) {
268: if (strcmp(lockname, rdp->rd_locker)) {
269: strlcpy(msg, "Revision %s is already locked by %s; ",
270: sizeof(msg));
271: if (flags & CO_UNLOCK)
272: strlcat(msg, "use co -r or rcs -u", sizeof(msg));
273: cvs_log(LP_ERR, msg, buf, rdp->rd_locker);
274: return (-1);
275: }
276: }
277:
1.18 joris 278: if (verbose == 1)
279: printf("revision %s", buf);
280:
1.44 joris 281:
1.14 niallo 282: if ((bp = rcs_getrev(file, frev)) == NULL) {
283: cvs_log(LP_ERR, "cannot find revision `%s'", buf);
284: return (-1);
285: }
286:
1.24 niallo 287: if (flags & CO_LOCK) {
1.44 joris 288: if ((lockname != NULL)
289: && (rcs_lock_add(file, lockname, frev) < 0)) {
290: if (rcs_errno != RCS_ERR_DUPENT)
291: return (-1);
1.14 niallo 292: }
1.18 joris 293:
1.14 niallo 294: mode = 0644;
1.18 joris 295: if (verbose == 1)
296: printf(" (locked)");
1.24 niallo 297: } else if (flags & CO_UNLOCK) {
1.46 joris 298: if (rcs_lock_remove(file, lockname, frev) < 0) {
299: if (rcs_errno != RCS_ERR_NOENT)
300: return (-1);
301: }
1.18 joris 302:
1.14 niallo 303: mode = 0444;
1.18 joris 304: if (verbose == 1)
305: printf(" (unlocked)");
306: }
307:
308: if (verbose == 1)
309: printf("\n");
310:
1.44 joris 311: if (flags & CO_LOCK) {
312: lcount++;
313: if (lcount > 1)
314: cvs_log(LP_WARN, "You now have %d locks.", lcount);
315: }
316:
1.41 xsa 317: if ((pipeout == 0) && (stat(dst, &st) == 0) && !(flags & FORCE)) {
1.18 joris 318: if (st.st_mode & S_IWUSR) {
319: yn = 0;
1.21 niallo 320: if (verbose == 0) {
321: cvs_log(LP_ERR,
1.40 xsa 322: "writable %s exists; checkout aborted",
1.21 niallo 323: dst);
324: return (-1);
325: }
1.41 xsa 326:
327: while ((yn != 'y') && (yn != 'n')) {
328: printf("writable %s exists%s; ", dst,
329: ((uid_t)getuid() == st.st_uid) ? "" :
330: ", and you do not own it");
1.21 niallo 331: printf("remove it? [ny](n): ");
1.18 joris 332: fflush(stdout);
333: yn = getchar();
334: }
335:
336: if (yn == 'n') {
1.21 niallo 337: cvs_log(LP_ERR, "checkout aborted");
1.18 joris 338: return (-1);
339: }
340: }
1.14 niallo 341: }
1.17 joris 342:
1.20 joris 343: if (pipeout == 1) {
344: cvs_buf_putc(bp, '\0');
345: content = cvs_buf_release(bp);
346: printf("%s", content);
1.47 ! joris 347: xfree(content);
1.20 joris 348: } else {
349: if (cvs_buf_write(bp, dst, mode) < 0) {
350: cvs_log(LP_ERR, "failed to write revision to file");
351: cvs_buf_free(bp);
352: return (-1);
353: }
1.14 niallo 354: cvs_buf_free(bp);
1.24 niallo 355: if (flags & CO_REVDATE) {
356: struct timeval tv[2];
1.36 xsa 357: memset(&tv, 0, sizeof(tv));
1.24 niallo 358: tv[0].tv_sec = (long)rcs_rev_getdate(file, frev);
359: tv[1].tv_sec = tv[0].tv_sec;
360: if (utimes(dst, (const struct timeval *)&tv) < 0)
361: cvs_log(LP_ERRNO, "error setting utimes");
362: }
1.20 joris 363:
364: if (verbose == 1)
365: printf("done\n");
1.14 niallo 366: }
1.17 joris 367:
1.14 niallo 368: return (0);
1.43 xsa 369: }
370:
371: /*
372: * checkout_err_nobranch()
373: *
374: * XXX - should handle the dates too.
375: */
376: static void
377: checkout_err_nobranch(RCSFILE *file, const char *author, const char *date,
378: const char *state, int flags)
379: {
380: if (!(flags & CO_AUTHOR))
381: author = NULL;
382: if (!(flags & CO_STATE))
383: state = NULL;
384:
385: cvs_log(LP_ERR, "%s: No revision on branch has%s%s%s%s%s%s.",
386: file->rf_path,
387: date ? " a date before " : "",
388: date ? date : "",
389: author ? " and author " + (date ? 0:4 ) : "",
390: author ? author : "",
391: state ? " and state " + (date || author ? 0:4) : "",
392: state ? state : "");
1.24 niallo 393: }
![[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