Annotation of src/usr.bin/cvs/update.c, Revision 1.78
1.78 ! joris 1: /* $OpenBSD: update.c,v 1.77 2006/07/01 21:09:36 reyk 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"
1.1 jfb 23:
1.59 joris 24: int cvs_update(int, char **);
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:
1.62 joris 52: flags = CR_REPO | 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;
1.27 xsa 82: break;
1.1 jfb 83: case 'Q':
84: case 'q':
1.2 jfb 85: break;
1.1 jfb 86: case 'R':
1.2 jfb 87: break;
1.1 jfb 88: case 'r':
1.70 joris 89: tag = optarg;
1.1 jfb 90: break;
91: default:
1.59 joris 92: fatal("%s", cvs_cmd_update.cmd_synopsis);
1.1 jfb 93: }
1.32 xsa 94: }
95:
1.59 joris 96: argc -= optind;
97: argv += optind;
1.2 jfb 98:
1.59 joris 99: cr.enterdir = cvs_update_enterdir;
1.60 joris 100: cr.leavedir = cvs_update_leavedir;
1.75 joris 101: cr.fileproc = cvs_update_local;
1.61 joris 102: cr.flags = flags;
1.49 joris 103:
1.59 joris 104: if (argc > 0)
105: cvs_file_run(argc, argv, &cr);
106: else
107: cvs_file_run(1, &arg, &cr);
1.35 xsa 108:
1.24 joris 109: return (0);
110: }
1.2 jfb 111:
1.59 joris 112: void
113: cvs_update_enterdir(struct cvs_file *cf)
1.2 jfb 114: {
1.59 joris 115: int l;
116: char *entry;
117: CVSENTRIES *entlist;
118:
119: cvs_log(LP_TRACE, "cvs_update_enterdir(%s)", cf->file_path);
120:
1.68 joris 121: cvs_file_classify(cf, NULL, 0);
1.59 joris 122:
1.63 joris 123: if (cf->file_status == DIR_CREATE && build_dirs == 1) {
1.59 joris 124: cvs_mkpath(cf->file_path);
125: if ((cf->fd = open(cf->file_path, O_RDONLY)) == -1)
126: fatal("cvs_update_enterdir: %s", strerror(errno));
127:
128: entry = xmalloc(CVS_ENT_MAXLINELEN);
129: l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////",
130: cf->file_name);
131: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
132: fatal("cvs_update_enterdir: overflow");
133:
134: entlist = cvs_ent_open(cf->file_wd);
135: cvs_ent_add(entlist, entry);
136: cvs_ent_close(entlist, ENT_SYNC);
137: xfree(entry);
1.63 joris 138: } else if (cf->file_status == DIR_CREATE && build_dirs == 0) {
1.67 joris 139: cf->file_status = FILE_SKIP;
1.60 joris 140: }
141: }
142:
143: void
144: cvs_update_leavedir(struct cvs_file *cf)
145: {
146: long base;
147: int nbytes;
1.69 joris 148: int isempty, l;
1.60 joris 149: size_t bufsize;
150: struct stat st;
151: struct dirent *dp;
152: char *buf, *ebuf, *cp;
153: struct cvs_ent *ent;
154: struct cvs_ent_line *line;
155: CVSENTRIES *entlist;
1.69 joris 156: char *export;
1.60 joris 157:
1.67 joris 158: cvs_log(LP_TRACE, "cvs_update_leavedir(%s)", cf->file_path);
159:
1.69 joris 160: if (cvs_cmdop == CVS_OP_EXPORT) {
161: export = xmalloc(MAXPATHLEN);
162: l = snprintf(export, MAXPATHLEN, "%s/%s", cf->file_path,
163: CVS_PATH_CVSDIR);
164: if (l == -1 || l >= MAXPATHLEN)
165: fatal("cvs_update_leavedir: overflow");
166:
167: /* XXX */
168: if (cvs_rmdir(export) == -1)
169: fatal("cvs_update_leavedir: %s: %s:", export,
170: strerror(errno));
171:
172: xfree(export);
173: return;
174: }
175:
1.60 joris 176: if (fstat(cf->fd, &st) == -1)
177: fatal("cvs_update_leavedir: %s", strerror(errno));
178:
179: bufsize = st.st_size;
180: if (bufsize < st.st_blksize)
181: bufsize = st.st_blksize;
182:
183: isempty = 1;
184: buf = xmalloc(bufsize);
185:
1.73 joris 186: if (lseek(cf->fd, 0, SEEK_SET) == -1)
1.60 joris 187: fatal("cvs_update_leavedir: %s", strerror(errno));
188:
189: while ((nbytes = getdirentries(cf->fd, buf, bufsize, &base)) > 0) {
190: ebuf = buf + nbytes;
191: cp = buf;
192:
193: while (cp < ebuf) {
194: dp = (struct dirent *)cp;
195: if (!strcmp(dp->d_name, ".") ||
196: !strcmp(dp->d_name, "..") ||
197: dp->d_reclen == 0) {
198: cp += dp->d_reclen;
199: continue;
200: }
201:
202: if (!strcmp(dp->d_name, CVS_PATH_CVSDIR)) {
203: entlist = cvs_ent_open(cf->file_path);
204: TAILQ_FOREACH(line, &(entlist->cef_ent),
205: entries_list) {
206: ent = cvs_ent_parse(line->buf);
207:
208: if (ent->ce_status == CVS_ENT_REMOVED) {
209: isempty = 0;
210: cvs_ent_free(ent);
211: break;
212: }
213:
214: cvs_ent_free(ent);
215: }
216: cvs_ent_close(entlist, ENT_NOSYNC);
217: } else {
218: isempty = 0;
219: }
220:
221: if (isempty == 0)
222: break;
223:
224: cp += dp->d_reclen;
225: }
226: }
227:
228: if (nbytes == -1)
229: fatal("cvs_update_leavedir: %s", strerror(errno));
230:
231: xfree(buf);
232:
233: if (isempty == 1 && prune_dirs == 1) {
1.69 joris 234: /* XXX */
1.60 joris 235: cvs_rmdir(cf->file_path);
236:
237: entlist = cvs_ent_open(cf->file_wd);
238: cvs_ent_remove(entlist, cf->file_name);
239: cvs_ent_close(entlist, ENT_SYNC);
1.2 jfb 240: }
241: }
242:
1.59 joris 243: void
244: cvs_update_local(struct cvs_file *cf)
1.2 jfb 245: {
1.65 joris 246: BUF *bp;
1.70 joris 247: int ret, flags;
1.59 joris 248: CVSENTRIES *entlist;
1.76 reyk 249: char rbuf[16];
1.59 joris 250:
251: cvs_log(LP_TRACE, "cvs_update_local(%s)", cf->file_path);
1.37 joris 252:
1.59 joris 253: if (cf->file_type == CVS_DIR) {
1.67 joris 254: if (cf->file_status == FILE_SKIP)
1.63 joris 255: return;
256:
1.59 joris 257: if (cf->file_status != FILE_UNKNOWN &&
258: verbosity > 1)
259: cvs_log(LP_NOTICE, "Updating %s", cf->file_path);
260: return;
1.26 jfb 261: }
262:
1.65 joris 263: /*
264: * the bp buffer will be released inside rcs_kwexp_buf,
265: * which is called from cvs_checkout_file().
266: */
1.70 joris 267: flags = 0;
1.65 joris 268: bp = NULL;
1.70 joris 269: cvs_file_classify(cf, tag, 1);
270:
271: if (cf->file_status == FILE_UPTODATE && cf->file_ent != NULL &&
272: cf->file_ent->ce_tag != NULL && reset_stickies == 1) {
273: cf->file_status = FILE_CHECKOUT;
274: cf->file_rcsrev = rcs_head_get(cf->file_rcs);
1.76 reyk 275: }
276:
1.77 reyk 277: if (print && cf->file_status != FILE_UNKNOWN) {
1.76 reyk 278: bp = rcs_getrev(cf->file_rcs, cf->file_rcsrev);
279: if (bp == NULL)
280: fatal("cvs_update_local: failed to get HEAD");
281: rcsnum_tostr(cf->file_rcsrev, rbuf, sizeof(rbuf));
282: if (verbosity > 1)
283: cvs_printf("%s\nChecking out %s\n"
284: "RCS:\t%s\nVERS:\t%s\n***************\n",
285: RCS_DIFF_DIV, cf->file_path, cf->file_rpath, rbuf);
286: cvs_checkout_file(cf, cf->file_rcsrev, bp, CO_DUMP);
287: return;
1.70 joris 288: }
1.45 joris 289:
1.59 joris 290: switch (cf->file_status) {
291: case FILE_UNKNOWN:
292: cvs_printf("? %s\n", cf->file_path);
1.45 joris 293: break;
1.59 joris 294: case FILE_MODIFIED:
1.65 joris 295: ret = update_has_conflict_markers(cf);
296: if (cf->file_ent->ce_conflict != NULL && ret == 1) {
1.59 joris 297: cvs_printf("C %s\n", cf->file_path);
1.65 joris 298: } else {
299: if (cf->file_ent->ce_conflict != NULL && ret == 0)
300: update_clear_conflict(cf);
1.59 joris 301: cvs_printf("M %s\n", cf->file_path);
1.65 joris 302: }
1.45 joris 303: break;
1.59 joris 304: case FILE_ADDED:
305: cvs_printf("A %s\n", cf->file_path);
1.45 joris 306: break;
1.59 joris 307: case FILE_REMOVED:
308: cvs_printf("R %s\n", cf->file_path);
1.45 joris 309: break;
1.59 joris 310: case FILE_CONFLICT:
311: cvs_printf("C %s\n", cf->file_path);
312: break;
313: case FILE_LOST:
314: case FILE_CHECKOUT:
315: case FILE_PATCH:
1.68 joris 316: bp = rcs_getrev(cf->file_rcs, cf->file_rcsrev);
1.65 joris 317: if (bp == NULL)
318: fatal("cvs_update_local: failed to get HEAD");
319:
1.70 joris 320: if (tag != NULL)
321: flags = CO_SETSTICKY;
322:
323: cvs_checkout_file(cf, cf->file_rcsrev, bp, flags);
1.65 joris 324: cvs_printf("U %s\n", cf->file_path);
1.59 joris 325: break;
326: case FILE_MERGE:
1.72 joris 327: bp = cvs_diff3(cf->file_rcs, cf->file_path, cf->fd,
1.68 joris 328: cf->file_ent->ce_rev, cf->file_rcsrev, 1);
1.65 joris 329: if (bp == NULL)
330: fatal("cvs_update_local: failed to merge");
331:
1.68 joris 332: cvs_checkout_file(cf, cf->file_rcsrev, bp, CO_MERGE);
1.65 joris 333:
334: if (diff3_conflicts != 0) {
335: cvs_printf("C %s\n", cf->file_path);
336: } else {
337: update_clear_conflict(cf);
338: cvs_printf("M %s\n", cf->file_path);
339: }
1.59 joris 340: break;
341: case FILE_UNLINK:
342: (void)unlink(cf->file_path);
343: case FILE_REMOVE_ENTRY:
344: entlist = cvs_ent_open(cf->file_wd);
345: cvs_ent_remove(entlist, cf->file_name);
346: cvs_ent_close(entlist, ENT_SYNC);
1.45 joris 347: break;
348: default:
349: break;
350: }
1.65 joris 351: }
352:
353: static void
354: update_clear_conflict(struct cvs_file *cf)
355: {
356: int l;
357: time_t now;
358: CVSENTRIES *entlist;
359: char *entry, revbuf[16], timebuf[32];
360:
361: cvs_log(LP_TRACE, "update_clear_conflict(%s)", cf->file_path);
362:
363: time(&now);
364: ctime_r(&now, timebuf);
365: if (timebuf[strlen(timebuf) - 1] == '\n')
366: timebuf[strlen(timebuf) - 1] = '\0';
367:
368: rcsnum_tostr(cf->file_ent->ce_rev, revbuf, sizeof(revbuf));
369:
370: entry = xmalloc(CVS_ENT_MAXLINELEN);
371: l = snprintf(entry, CVS_ENT_MAXLINELEN, "/%s/%s/%s//",
372: cf->file_name, revbuf, timebuf);
373: if (l == -1 || l >= CVS_ENT_MAXLINELEN)
374: fatal("update_clear_conflict: overflow");
375:
376: entlist = cvs_ent_open(cf->file_wd);
377: cvs_ent_add(entlist, entry);
378: cvs_ent_close(entlist, ENT_SYNC);
379: xfree(entry);
380: }
381:
382: /*
383: * XXX - this is the way GNU cvs checks for outstanding conflicts
384: * in a file after a merge. It is a very very bad approach and
385: * should be looked at once opencvs is working decently.
386: */
387: int
388: update_has_conflict_markers(struct cvs_file *cf)
389: {
390: BUF *bp;
391: int conflict;
392: char *content;
393: struct cvs_line *lp;
394: struct cvs_lines *lines;
395:
396: cvs_log(LP_TRACE, "update_has_conflict_markers(%s)", cf->file_path);
1.78 ! joris 397:
! 398: if (cf->fd == -1)
! 399: return (0);
1.65 joris 400:
1.72 joris 401: if ((bp = cvs_buf_load_fd(cf->fd, BUF_AUTOEXT)) == NULL)
1.65 joris 402: fatal("update_has_conflict_markers: failed to load %s",
403: cf->file_path);
404:
405: cvs_buf_putc(bp, '\0');
406: content = cvs_buf_release(bp);
407: if ((lines = cvs_splitlines(content)) == NULL)
408: fatal("update_has_conflict_markers: failed to split lines");
409:
410: xfree(content);
411:
412: conflict = 0;
413: TAILQ_FOREACH(lp, &(lines->l_lines), l_list) {
414: if (lp->l_line == NULL)
415: continue;
416:
417: if (!strncmp(lp->l_line, RCS_CONFLICT_MARKER1,
418: strlen(RCS_CONFLICT_MARKER1)) ||
419: !strncmp(lp->l_line, RCS_CONFLICT_MARKER2,
420: strlen(RCS_CONFLICT_MARKER2)) ||
421: !strncmp(lp->l_line, RCS_CONFLICT_MARKER3,
422: strlen(RCS_CONFLICT_MARKER3))) {
423: conflict = 1;
424: break;
425: }
426: }
427:
428: cvs_freelines(lines);
429: return (conflict);
1.1 jfb 430: }
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