Annotation of src/usr.bin/cvs/update.c, Revision 1.84
1.84 ! niallo 1: /* $OpenBSD: update.c,v 1.83 2007/01/11 17:44:18 niallo Exp $ */
1.1 jfb 2: /*
1.59 joris 3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
1.1 jfb 4: *
1.59 joris 5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 jfb 8: *
1.59 joris 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 jfb 16: */
17:
1.51 xsa 18: #include "includes.h"
1.1 jfb 19:
20: #include "cvs.h"
21: #include "log.h"
1.59 joris 22: #include "diff.h"
1.80 joris 23: #include "remote.h"
1.1 jfb 24:
1.60 joris 25: int prune_dirs = 0;
1.77 reyk 26: int print = 0;
1.63 joris 27: int build_dirs = 0;
1.70 joris 28: int reset_stickies = 0;
29: static char *tag = NULL;
1.63 joris 30:
1.65 joris 31: static void update_clear_conflict(struct cvs_file *);
32:
1.29 jfb 33: struct cvs_cmd cvs_cmd_update = {
1.74 joris 34: CVS_OP_UPDATE, 0, "update",
1.29 jfb 35: { "up", "upd" },
36: "Bring work tree in sync with repository",
37: "[-ACdflPpR] [-D date | -r rev] [-I ign] [-j rev] [-k mode] "
38: "[-t id] ...",
1.35 xsa 39: "ACD:dfI:j:k:lPpQqRr:t:",
1.29 jfb 40: NULL,
1.59 joris 41: cvs_update
1.18 joris 42: };
1.2 jfb 43:
1.59 joris 44: int
45: cvs_update(int argc, char **argv)
1.1 jfb 46: {
1.18 joris 47: int ch;
1.59 joris 48: char *arg = ".";
1.61 joris 49: int flags;
1.59 joris 50: struct cvs_recursion cr;
1.2 jfb 51:
1.80 joris 52: flags = CR_RECURSE_DIRS;
1.61 joris 53:
1.59 joris 54: while ((ch = getopt(argc, argv, cvs_cmd_update.cmd_opts)) != -1) {
1.1 jfb 55: switch (ch) {
56: case 'A':
1.70 joris 57: reset_stickies = 1;
1.24 joris 58: break;
1.1 jfb 59: case 'C':
60: case 'D':
1.71 joris 61: tag = optarg;
1.32 xsa 62: break;
1.1 jfb 63: case 'd':
1.63 joris 64: build_dirs = 1;
1.24 joris 65: break;
1.1 jfb 66: case 'f':
1.2 jfb 67: break;
1.35 xsa 68: case 'I':
69: break;
70: case 'j':
71: break;
72: case 'k':
73: break;
1.1 jfb 74: case 'l':
1.61 joris 75: flags &= ~CR_RECURSE_DIRS;
1.2 jfb 76: break;
1.1 jfb 77: case 'P':
1.60 joris 78: prune_dirs = 1;
1.24 joris 79: break;
1.1 jfb 80: case 'p':
1.77 reyk 81: print = 1;
1.79 xsa 82: cvs_noexec = 1;
1.27 xsa 83: break;
1.1 jfb 84: case 'Q':
85: case 'q':
1.2 jfb 86: break;
1.1 jfb 87: case 'R':
1.2 jfb 88: break;
1.1 jfb 89: case 'r':
1.70 joris 90: tag = optarg;
1.1 jfb 91: break;
92: default:
1.59 joris 93: fatal("%s", cvs_cmd_update.cmd_synopsis);
1.1 jfb 94: }
1.32 xsa 95: }
96:
1.59 joris 97: argc -= optind;
98: argv += optind;
1.2 jfb 99:
1.80 joris 100: if (current_cvsroot->cr_method == CVS_METHOD_LOCAL) {
101: cr.enterdir = cvs_update_enterdir;
102: cr.leavedir = cvs_update_leavedir;
103: cr.fileproc = cvs_update_local;
104: flags |= CR_REPO;
105: } else {
1.82 joris 106: cvs_client_connect_to_server();
1.80 joris 107: if (reset_stickies)
108: cvs_client_send_request("Argument -A");
109: if (build_dirs)
110: cvs_client_send_request("Argument -d");
111: if (!(flags & CR_RECURSE_DIRS))
112: cvs_client_send_request("Argument -l");
113: if (prune_dirs)
114: cvs_client_send_request("Argument -P");
115: if (print)
116: cvs_client_send_request("Argument -p");
117:
118: cr.enterdir = NULL;
119: cr.leavedir = NULL;
120: cr.fileproc = cvs_client_sendfile;
121: }
122:
1.61 joris 123: cr.flags = flags;
1.49 joris 124:
1.59 joris 125: if (argc > 0)
126: cvs_file_run(argc, argv, &cr);
127: else
128: cvs_file_run(1, &arg, &cr);
1.80 joris 129:
130: if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
131: cvs_client_send_files(argv, argc);
132: cvs_client_senddir(".");
133: cvs_client_send_request("update");
134: cvs_client_get_responses();
135: }
1.35 xsa 136:
1.24 joris 137: return (0);
138: }
1.2 jfb 139:
1.59 joris 140: void
141: cvs_update_enterdir(struct cvs_file *cf)
1.2 jfb 142: {
1.59 joris 143: int l;
144: char *entry;
145: CVSENTRIES *entlist;
146:
147: cvs_log(LP_TRACE, "cvs_update_enterdir(%s)", cf->file_path);
148:
1.68 joris 149: cvs_file_classify(cf, NULL, 0);
1.59 joris 150:
1.63 joris 151: if (cf->file_status == DIR_CREATE && build_dirs == 1) {
1.59 joris 152: cvs_mkpath(cf->file_path);
153: if ((cf->fd = open(cf->file_path, O_RDONLY)) == -1)
154: fatal("cvs_update_enterdir: %s", strerror(errno));
155:
156: entry = xmalloc(CVS_ENT_MAXLINELEN);
157: l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////",
158: cf->file_name);
159: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
160: fatal("cvs_update_enterdir: overflow");
161:
162: entlist = cvs_ent_open(cf->file_wd);
163: cvs_ent_add(entlist, entry);
164: cvs_ent_close(entlist, ENT_SYNC);
165: xfree(entry);
1.63 joris 166: } else if (cf->file_status == DIR_CREATE && build_dirs == 0) {
1.67 joris 167: cf->file_status = FILE_SKIP;
1.60 joris 168: }
169: }
170:
171: void
172: cvs_update_leavedir(struct cvs_file *cf)
173: {
174: long base;
175: int nbytes;
1.81 xsa 176: int isempty;
1.60 joris 177: size_t bufsize;
178: struct stat st;
179: struct dirent *dp;
180: char *buf, *ebuf, *cp;
181: struct cvs_ent *ent;
182: struct cvs_ent_line *line;
183: CVSENTRIES *entlist;
1.69 joris 184: char *export;
1.60 joris 185:
1.67 joris 186: cvs_log(LP_TRACE, "cvs_update_leavedir(%s)", cf->file_path);
187:
1.69 joris 188: if (cvs_cmdop == CVS_OP_EXPORT) {
189: export = xmalloc(MAXPATHLEN);
1.81 xsa 190: if (cvs_path_cat(cf->file_path, CVS_PATH_CVSDIR, export,
191: MAXPATHLEN) >= MAXPATHLEN)
192: fatal("cvs_update_leavedir: truncation");
1.69 joris 193:
194: /* XXX */
195: if (cvs_rmdir(export) == -1)
196: fatal("cvs_update_leavedir: %s: %s:", export,
197: strerror(errno));
198:
199: xfree(export);
200: return;
201: }
202:
1.60 joris 203: if (fstat(cf->fd, &st) == -1)
204: fatal("cvs_update_leavedir: %s", strerror(errno));
205:
206: bufsize = st.st_size;
207: if (bufsize < st.st_blksize)
208: bufsize = st.st_blksize;
209:
210: isempty = 1;
211: buf = xmalloc(bufsize);
212:
1.73 joris 213: if (lseek(cf->fd, 0, SEEK_SET) == -1)
1.60 joris 214: fatal("cvs_update_leavedir: %s", strerror(errno));
215:
216: while ((nbytes = getdirentries(cf->fd, buf, bufsize, &base)) > 0) {
217: ebuf = buf + nbytes;
218: cp = buf;
219:
220: while (cp < ebuf) {
221: dp = (struct dirent *)cp;
222: if (!strcmp(dp->d_name, ".") ||
223: !strcmp(dp->d_name, "..") ||
224: dp->d_reclen == 0) {
225: cp += dp->d_reclen;
226: continue;
227: }
228:
229: if (!strcmp(dp->d_name, CVS_PATH_CVSDIR)) {
230: entlist = cvs_ent_open(cf->file_path);
231: TAILQ_FOREACH(line, &(entlist->cef_ent),
232: entries_list) {
233: ent = cvs_ent_parse(line->buf);
234:
235: if (ent->ce_status == CVS_ENT_REMOVED) {
236: isempty = 0;
237: cvs_ent_free(ent);
238: break;
239: }
240:
241: cvs_ent_free(ent);
242: }
243: cvs_ent_close(entlist, ENT_NOSYNC);
244: } else {
245: isempty = 0;
246: }
247:
248: if (isempty == 0)
249: break;
250:
251: cp += dp->d_reclen;
252: }
253: }
254:
255: if (nbytes == -1)
256: fatal("cvs_update_leavedir: %s", strerror(errno));
257:
258: xfree(buf);
259:
260: if (isempty == 1 && prune_dirs == 1) {
1.69 joris 261: /* XXX */
1.60 joris 262: cvs_rmdir(cf->file_path);
263:
264: entlist = cvs_ent_open(cf->file_wd);
265: cvs_ent_remove(entlist, cf->file_name);
266: cvs_ent_close(entlist, ENT_SYNC);
1.2 jfb 267: }
268: }
269:
1.59 joris 270: void
271: cvs_update_local(struct cvs_file *cf)
1.2 jfb 272: {
1.65 joris 273: BUF *bp;
1.70 joris 274: int ret, flags;
1.59 joris 275: CVSENTRIES *entlist;
1.76 reyk 276: char rbuf[16];
1.59 joris 277:
278: cvs_log(LP_TRACE, "cvs_update_local(%s)", cf->file_path);
1.37 joris 279:
1.59 joris 280: if (cf->file_type == CVS_DIR) {
1.67 joris 281: if (cf->file_status == FILE_SKIP)
1.63 joris 282: return;
283:
1.59 joris 284: if (cf->file_status != FILE_UNKNOWN &&
285: verbosity > 1)
286: cvs_log(LP_NOTICE, "Updating %s", cf->file_path);
287: return;
1.26 jfb 288: }
289:
1.65 joris 290: /*
291: * the bp buffer will be released inside rcs_kwexp_buf,
292: * which is called from cvs_checkout_file().
293: */
1.70 joris 294: flags = 0;
1.65 joris 295: bp = NULL;
1.70 joris 296: cvs_file_classify(cf, tag, 1);
297:
298: if (cf->file_status == FILE_UPTODATE && cf->file_ent != NULL &&
299: cf->file_ent->ce_tag != NULL && reset_stickies == 1) {
300: cf->file_status = FILE_CHECKOUT;
301: cf->file_rcsrev = rcs_head_get(cf->file_rcs);
1.76 reyk 302: }
303:
1.77 reyk 304: if (print && cf->file_status != FILE_UNKNOWN) {
1.76 reyk 305: rcsnum_tostr(cf->file_rcsrev, rbuf, sizeof(rbuf));
306: if (verbosity > 1)
307: cvs_printf("%s\nChecking out %s\n"
308: "RCS:\t%s\nVERS:\t%s\n***************\n",
309: RCS_DIFF_DIV, cf->file_path, cf->file_rpath, rbuf);
1.84 ! niallo 310: cvs_checkout_file(cf, cf->file_rcsrev, NULL, CO_DUMP);
1.76 reyk 311: return;
1.70 joris 312: }
1.45 joris 313:
1.59 joris 314: switch (cf->file_status) {
315: case FILE_UNKNOWN:
316: cvs_printf("? %s\n", cf->file_path);
1.45 joris 317: break;
1.59 joris 318: case FILE_MODIFIED:
1.65 joris 319: ret = update_has_conflict_markers(cf);
320: if (cf->file_ent->ce_conflict != NULL && ret == 1) {
1.59 joris 321: cvs_printf("C %s\n", cf->file_path);
1.65 joris 322: } else {
323: if (cf->file_ent->ce_conflict != NULL && ret == 0)
324: update_clear_conflict(cf);
1.59 joris 325: cvs_printf("M %s\n", cf->file_path);
1.65 joris 326: }
1.45 joris 327: break;
1.59 joris 328: case FILE_ADDED:
329: cvs_printf("A %s\n", cf->file_path);
1.45 joris 330: break;
1.59 joris 331: case FILE_REMOVED:
332: cvs_printf("R %s\n", cf->file_path);
1.45 joris 333: break;
1.59 joris 334: case FILE_CONFLICT:
335: cvs_printf("C %s\n", cf->file_path);
336: break;
337: case FILE_LOST:
338: case FILE_CHECKOUT:
339: case FILE_PATCH:
1.70 joris 340: if (tag != NULL)
341: flags = CO_SETSTICKY;
342:
1.84 ! niallo 343: cvs_checkout_file(cf, cf->file_rcsrev, NULL, flags);
1.65 joris 344: cvs_printf("U %s\n", cf->file_path);
1.59 joris 345: break;
346: case FILE_MERGE:
1.84 ! niallo 347: cvs_diff3(cf->file_rcs, cf->file_path, cf->fd,
1.68 joris 348: cf->file_ent->ce_rev, cf->file_rcsrev, 1);
1.65 joris 349: if (bp == NULL)
350: fatal("cvs_update_local: failed to merge");
351:
1.68 joris 352: cvs_checkout_file(cf, cf->file_rcsrev, bp, CO_MERGE);
1.65 joris 353:
354: if (diff3_conflicts != 0) {
355: cvs_printf("C %s\n", cf->file_path);
356: } else {
357: update_clear_conflict(cf);
358: cvs_printf("M %s\n", cf->file_path);
359: }
1.59 joris 360: break;
361: case FILE_UNLINK:
362: (void)unlink(cf->file_path);
363: case FILE_REMOVE_ENTRY:
364: entlist = cvs_ent_open(cf->file_wd);
365: cvs_ent_remove(entlist, cf->file_name);
366: cvs_ent_close(entlist, ENT_SYNC);
1.45 joris 367: break;
368: default:
369: break;
370: }
1.65 joris 371: }
372:
373: static void
374: update_clear_conflict(struct cvs_file *cf)
375: {
376: int l;
377: time_t now;
378: CVSENTRIES *entlist;
379: char *entry, revbuf[16], timebuf[32];
380:
381: cvs_log(LP_TRACE, "update_clear_conflict(%s)", cf->file_path);
382:
383: time(&now);
384: ctime_r(&now, timebuf);
385: if (timebuf[strlen(timebuf) - 1] == '\n')
386: timebuf[strlen(timebuf) - 1] = '\0';
387:
388: rcsnum_tostr(cf->file_ent->ce_rev, revbuf, sizeof(revbuf));
389:
390: entry = xmalloc(CVS_ENT_MAXLINELEN);
391: l = snprintf(entry, CVS_ENT_MAXLINELEN, "/%s/%s/%s//",
392: cf->file_name, revbuf, timebuf);
393: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
394: fatal("update_clear_conflict: overflow");
395:
396: entlist = cvs_ent_open(cf->file_wd);
397: cvs_ent_add(entlist, entry);
398: cvs_ent_close(entlist, ENT_SYNC);
399: xfree(entry);
400: }
401:
402: /*
403: * XXX - this is the way GNU cvs checks for outstanding conflicts
404: * in a file after a merge. It is a very very bad approach and
405: * should be looked at once opencvs is working decently.
406: */
407: int
408: update_has_conflict_markers(struct cvs_file *cf)
409: {
410: BUF *bp;
411: int conflict;
412: char *content;
413: struct cvs_line *lp;
414: struct cvs_lines *lines;
1.83 niallo 415: size_t len;
1.65 joris 416:
417: cvs_log(LP_TRACE, "update_has_conflict_markers(%s)", cf->file_path);
1.78 joris 418:
419: if (cf->fd == -1)
420: return (0);
1.65 joris 421:
1.72 joris 422: if ((bp = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
1.65 joris 423: fatal("update_has_conflict_markers: failed to load %s",
424: cf->file_path);
425:
426: cvs_buf_putc(bp, '\0');
1.83 niallo 427: len = cvs_buf_len(bp);
1.65 joris 428: content = cvs_buf_release(bp);
1.83 niallo 429: if ((lines = cvs_splitlines(content, len)) == NULL)
1.65 joris 430: fatal("update_has_conflict_markers: failed to split lines");
431:
432: conflict = 0;
433: TAILQ_FOREACH(lp, &(lines->l_lines), l_list) {
434: if (lp->l_line == NULL)
435: continue;
436:
437: if (!strncmp(lp->l_line, RCS_CONFLICT_MARKER1,
438: strlen(RCS_CONFLICT_MARKER1)) ||
439: !strncmp(lp->l_line, RCS_CONFLICT_MARKER2,
440: strlen(RCS_CONFLICT_MARKER2)) ||
441: !strncmp(lp->l_line, RCS_CONFLICT_MARKER3,
442: strlen(RCS_CONFLICT_MARKER3))) {
443: conflict = 1;
444: break;
445: }
446: }
447:
448: cvs_freelines(lines);
1.83 niallo 449: xfree(content);
1.65 joris 450: return (conflict);
1.1 jfb 451: }