xref: /dragonfly/contrib/cvs-1.12/src/commit.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1 /*
2  * Copyright (C) 1986-2005 The Free Software Foundation, Inc.
3  *
4  * Portions Copyright (C) 1998-2005 Derek Price, Ximbiot <http://ximbiot.com>,
5  *                                  and others.
6  *
7  * Portions Copyright (C) 1992, Brian Berliner and Jeff Polk
8  * Portions Copyright (C) 1989-1992, Brian Berliner
9  *
10  * You may distribute under the terms of the GNU General Public License as
11  * specified in the README file that comes with the CVS source distribution.
12  *
13  * Commit Files
14  *
15  * "commit" commits the present version to the RCS repository, AFTER
16  * having done a test on conflicts.
17  *
18  * The call is: cvs commit [options] files...
19  *
20  */
21 
22 #include "cvs.h"
23 #include "getline.h"
24 #include "edit.h"
25 #include "fileattr.h"
26 #include "hardlink.h"
27 
28 static Dtype check_direntproc (void *callerdat, const char *dir,
29                                const char *repos, const char *update_dir,
30                                List *entries);
31 static int check_fileproc (void *callerdat, struct file_info *finfo);
32 static int check_filesdoneproc (void *callerdat, int err, const char *repos,
33                                         const char *update_dir, List *entries);
34 static int checkaddfile (const char *file, const char *repository,
35                          const char *tag, const char *options,
36                          RCSNode **rcsnode);
37 static Dtype commit_direntproc (void *callerdat, const char *dir,
38                                 const char *repos, const char *update_dir,
39                                 List *entries);
40 static int commit_dirleaveproc (void *callerdat, const char *dir, int err,
41                                         const char *update_dir, List *entries);
42 static int commit_fileproc (void *callerdat, struct file_info *finfo);
43 static int commit_filesdoneproc (void *callerdat, int err,
44                                  const char *repository,
45                                          const char *update_dir, List *entries);
46 static int finaladd (struct file_info *finfo, char *revision, char *tag,
47                          char *options);
48 static int findmaxrev (Node * p, void *closure);
49 static int lock_RCS (const char *user, RCSNode *rcs, const char *rev,
50                      const char *repository);
51 static int precommit_list_to_args_proc (Node * p, void *closure);
52 static int precommit_proc (const char *repository, const char *filter,
53                            void *closure);
54 static int remove_file (struct file_info *finfo, char *tag,
55                               char *message);
56 static void fixaddfile (const char *rcs);
57 static void fixbranch (RCSNode *, char *branch);
58 static void unlockrcs (RCSNode *rcs);
59 static void ci_delproc (Node *p);
60 static void masterlist_delproc (Node *p);
61 
62 struct commit_info
63 {
64     Ctype status;                       /* as returned from Classify_File() */
65     char *rev;                                    /* a numeric rev, if we know it */
66     char *tag;                                    /* any sticky tag, or -r option */
67     char *options;                      /* Any sticky -k option */
68 };
69 struct master_lists
70 {
71     List *ulist;                        /* list for Update_Logfile */
72     List *cilist;                       /* list with commit_info structs */
73 };
74 
75 static int check_valid_edit = 0;
76 static int force_ci = 0;
77 static int got_message;
78 static int aflag;
79 static char *saved_tag;
80 static char *write_dirtag;
81 static int write_dirnonbranch;
82 static char *logfile;
83 static List *mulist;
84 static char *saved_message;
85 static time_t last_register_time;
86 
87 static const char *const commit_usage[] =
88 {
89     "Usage: %s %s [-cRlf] [-m msg | -F logfile] [-r rev] files...\n",
90     "    -c          Check for valid edits before committing.\n",
91     "    -R          Process directories recursively.\n",
92     "    -l          Local directory only (not recursive).\n",
93     "    -f          Force the file to be committed; disables recursion.\n",
94     "    -F logfile  Read the log message from file.\n",
95     "    -m msg      Log message.\n",
96     "    -r rev      Commit to this branch or trunk revision.\n",
97     "(Specify the --help global option for a list of other help options)\n",
98     NULL
99 };
100 
101 #ifdef CLIENT_SUPPORT
102 /* Identify a file which needs "? foo" or a Questionable request.  */
103 struct question
104 {
105     /* The two fields for the Directory request.  */
106     char *dir;
107     char *repos;
108 
109     /* The file name.  */
110     char *file;
111 
112     struct question *next;
113 };
114 
115 struct find_data
116 {
117     List *ulist;
118     int argc;
119     char **argv;
120 
121     /* This is used from dirent to filesdone time, for each directory,
122        to make a list of files we have already seen.  */
123     List *ignlist;
124 
125     /* Linked list of files which need "? foo" or a Questionable request.  */
126     struct question *questionables;
127 
128     /* Only good within functions called from the filesdoneproc.  Stores
129        the repository (pointer into storage managed by the recursion
130        processor.  */
131     const char *repository;
132 
133     /* Non-zero if we should force the commit.  This is enabled by
134        either -f or -r options, unlike force_ci which is just -f.  */
135     int force;
136 };
137 
138 
139 
140 static Dtype
find_dirent_proc(void * callerdat,const char * dir,const char * repository,const char * update_dir,List * entries)141 find_dirent_proc (void *callerdat, const char *dir, const char *repository,
142                   const char *update_dir, List *entries)
143 {
144     struct find_data *find_data = callerdat;
145 
146     /* This check seems to slowly be creeping throughout CVS (update
147        and send_dirent_proc by CVS 1.5, diff in 31 Oct 1995.  My guess
148        is that it (or some variant thereof) should go in all the
149        dirent procs.  Unless someone has some better idea...  */
150     if (!isdir (dir))
151           return R_SKIP_ALL;
152 
153     /* initialize the ignore list for this directory */
154     find_data->ignlist = getlist ();
155 
156     /* Print the same warm fuzzy as in check_direntproc, since that
157        code will never be run during client/server operation and we
158        want the messages to match. */
159     if (!quiet)
160           error (0, 0, "Examining %s", update_dir);
161 
162     return R_PROCESS;
163 }
164 
165 
166 
167 /* Here as a static until we get around to fixing ignore_files to pass
168    it along as an argument.  */
169 static struct find_data *find_data_static;
170 
171 
172 
173 static void
find_ignproc(const char * file,const char * dir)174 find_ignproc (const char *file, const char *dir)
175 {
176     struct question *p;
177 
178     p = xmalloc (sizeof (struct question));
179     p->dir = xstrdup (dir);
180     p->repos = xstrdup (find_data_static->repository);
181     p->file = xstrdup (file);
182     p->next = find_data_static->questionables;
183     find_data_static->questionables = p;
184 }
185 
186 
187 
188 static int
find_filesdoneproc(void * callerdat,int err,const char * repository,const char * update_dir,List * entries)189 find_filesdoneproc (void *callerdat, int err, const char *repository,
190                     const char *update_dir, List *entries)
191 {
192     struct find_data *find_data = callerdat;
193     find_data->repository = repository;
194 
195     /* if this directory has an ignore list, process it then free it */
196     if (find_data->ignlist)
197     {
198           find_data_static = find_data;
199           ignore_files (find_data->ignlist, entries, update_dir, find_ignproc);
200           dellist (&find_data->ignlist);
201     }
202 
203     find_data->repository = NULL;
204 
205     return err;
206 }
207 
208 
209 
210 /* Machinery to find out what is modified, added, and removed.  It is
211    possible this should be broken out into a new client_classify function;
212    merging it with classify_file is almost sure to be a mess, though,
213    because classify_file has all kinds of repository processing.  */
214 static int
find_fileproc(void * callerdat,struct file_info * finfo)215 find_fileproc (void *callerdat, struct file_info *finfo)
216 {
217     Vers_TS *vers;
218     enum classify_type status;
219     Node *node;
220     struct find_data *args = callerdat;
221     struct logfile_info *data;
222     struct file_info xfinfo;
223 
224     /* if this directory has an ignore list, add this file to it */
225     if (args->ignlist)
226     {
227           Node *p;
228 
229           p = getnode ();
230           p->type = FILES;
231           p->key = xstrdup (finfo->file);
232           if (addnode (args->ignlist, p) != 0)
233               freenode (p);
234     }
235 
236     xfinfo = *finfo;
237     xfinfo.repository = NULL;
238     xfinfo.rcs = NULL;
239 
240     vers = Version_TS (&xfinfo, NULL, saved_tag, NULL, 0, 0);
241     if (vers->vn_user == NULL)
242     {
243           if (vers->ts_user == NULL)
244               error (0, 0, "nothing known about `%s'", finfo->fullname);
245           else
246               error (0, 0, "use `%s add' to create an entry for `%s'",
247                        program_name, finfo->fullname);
248           freevers_ts (&vers);
249           return 1;
250     }
251     if (vers->vn_user[0] == '-')
252     {
253           if (vers->ts_user != NULL)
254           {
255               error (0, 0,
256                        "`%s' should be removed and is still there (or is back"
257                        " again)", finfo->fullname);
258               freevers_ts (&vers);
259               return 1;
260           }
261           /* else */
262           status = T_REMOVED;
263     }
264     else if (strcmp (vers->vn_user, "0") == 0)
265     {
266           if (vers->ts_user == NULL)
267           {
268               /* This happens when one has `cvs add'ed a file, but it no
269                  longer exists in the working directory at commit time.
270                  FIXME: What classify_file does in this case is print
271                  "new-born %s has disappeared" and removes the entry.
272                  We probably should do the same.  */
273               if (!really_quiet)
274                     error (0, 0, "warning: new-born %s has disappeared",
275                            finfo->fullname);
276               status = T_REMOVE_ENTRY;
277           }
278           else
279               status = T_ADDED;
280     }
281     else if (vers->ts_user == NULL)
282     {
283           /* FIXME: What classify_file does in this case is print
284              "%s was lost".  We probably should do the same.  */
285           freevers_ts (&vers);
286           return 0;
287     }
288     else if (vers->ts_rcs != NULL
289                && (args->force || strcmp (vers->ts_user, vers->ts_rcs) != 0))
290           /* If we are forcing commits, pretend that the file is
291            modified.  */
292           status = T_MODIFIED;
293     else
294     {
295           /* This covers unmodified files, as well as a variety of other
296              cases.  FIXME: we probably should be printing a message and
297              returning 1 for many of those cases (but I'm not sure
298              exactly which ones).  */
299           freevers_ts (&vers);
300           return 0;
301     }
302 
303     node = getnode ();
304     node->key = xstrdup (finfo->fullname);
305 
306     data = xmalloc (sizeof (struct logfile_info));
307     data->type = status;
308     data->tag = xstrdup (vers->tag);
309     data->rev_old = data->rev_new = NULL;
310 
311     node->type = UPDATE;
312     node->delproc = update_delproc;
313     node->data = data;
314     (void)addnode (args->ulist, node);
315 
316     ++args->argc;
317 
318     freevers_ts (&vers);
319     return 0;
320 }
321 
322 
323 
324 static int
copy_ulist(Node * node,void * data)325 copy_ulist (Node *node, void *data)
326 {
327     struct find_data *args = data;
328     args->argv[args->argc++] = node->key;
329     return 0;
330 }
331 #endif /* CLIENT_SUPPORT */
332 
333 
334 
335 #ifdef SERVER_SUPPORT
336 # define COMMIT_OPTIONS "+cnlRm:fF:r:"
337 #else /* !SERVER_SUPPORT */
338 # define COMMIT_OPTIONS "+clRm:fF:r:"
339 #endif /* SERVER_SUPPORT */
340 int
commit(int argc,char ** argv)341 commit (int argc, char **argv)
342 {
343     int c;
344     int err = 0;
345     int local = 0;
346 
347     if (argc == -1)
348           usage (commit_usage);
349 
350 #ifdef CVS_BADROOT
351     /*
352      * For log purposes, do not allow "root" to commit files.  If you look
353      * like root, but are really logged in as a non-root user, it's OK.
354      */
355     /* FIXME: Shouldn't this check be much more closely related to the
356        readonly user stuff (CVSROOT/readers, &c).  That is, why should
357        root be able to "cvs init", "cvs import", &c, but not "cvs ci"?  */
358     /* Who we are on the client side doesn't affect logging.  */
359     if (geteuid () == (uid_t) 0 && !current_parsed_root->isremote)
360     {
361           struct passwd *pw;
362 
363           if ((pw = getpwnam (getcaller ())) == NULL)
364               error (1, 0,
365                    "your apparent username (%s) is unknown to this system",
366                    getcaller ());
367           if (pw->pw_uid == (uid_t) 0)
368               error (1, 0, "'root' is not allowed to commit files");
369     }
370 #endif /* CVS_BADROOT */
371 
372     optind = 0;
373     while ((c = getopt (argc, argv, COMMIT_OPTIONS)) != -1)
374     {
375           switch (c)
376           {
377             case 'c':
378                 check_valid_edit = 1;
379                 break;
380 #ifdef SERVER_SUPPORT
381               case 'n':
382                     /* Silently ignore -n for compatibility with old
383                      * clients.
384                      */
385                     break;
386 #endif /* SERVER_SUPPORT */
387               case 'm':
388 #ifdef FORCE_USE_EDITOR
389                     use_editor = 1;
390 #else
391                     use_editor = 0;
392 #endif
393                     if (saved_message)
394                     {
395                         free (saved_message);
396                         saved_message = NULL;
397                     }
398 
399                     saved_message = xstrdup (optarg);
400                     break;
401               case 'r':
402                     if (saved_tag)
403                         free (saved_tag);
404                     saved_tag = xstrdup (optarg);
405                     break;
406               case 'l':
407                     local = 1;
408                     break;
409               case 'R':
410                     local = 0;
411                     break;
412               case 'f':
413                     force_ci = 1;
414                 check_valid_edit = 0;
415                     local = 1;                    /* also disable recursion */
416                     break;
417               case 'F':
418 #ifdef FORCE_USE_EDITOR
419                     use_editor = 1;
420 #else
421                     use_editor = 0;
422 #endif
423                     logfile = optarg;
424                     break;
425               case '?':
426               default:
427                     usage (commit_usage);
428                     break;
429           }
430     }
431     argc -= optind;
432     argv += optind;
433 
434     /* numeric specified revision means we ignore sticky tags... */
435     if (saved_tag && isdigit ((unsigned char) *saved_tag))
436     {
437           char *p = saved_tag + strlen (saved_tag);
438           aflag = 1;
439           /* strip trailing dots and leading zeros */
440           while (*--p == '.') ;
441           p[1] = '\0';
442           while (saved_tag[0] == '0' && isdigit ((unsigned char) saved_tag[1]))
443               ++saved_tag;
444     }
445 
446     /* Check if the user passed -m, but wanted -F */
447     if (saved_message)
448     {
449           int fd;
450 
451           fd = open(saved_message, O_RDONLY);
452           /* valid fd -> possibly wrong flag? */
453           if (fd >= 0)
454           {
455               char *line = NULL;
456               size_t line_alloced = 0;
457               int line_len;
458 
459               close(fd);
460 
461               for (;;) {
462                     printf("The message you passed exists as a file\n");
463                     printf("a)bort, c)ontinue, treat as f)ile name\n");
464                     printf("Action: (abort) ");
465                     fflush(stdout);
466                     line_len = getline(&line, &line_alloced, stdin);
467                     if (line_len < 0)
468                     {
469                         error(0, errno, "cannot read from stdin");
470                         error(1, 0, "aborting");
471                     }
472                     else if (line_len == 0 || *line == '\n' || *line == 'a' || *line == 'A')
473                     {
474                         error(1, 0, "aborted by user");
475                     }
476                     else if (*line == 'c' || *line == 'C')
477                     {
478                         break;
479                     }
480                     else if (*line == 'f' || *line == 'F')
481                     {
482                         /*
483                          * We are leaking the memory for the file name,
484                          * but who really cares?
485                          */
486                         logfile = saved_message;
487                         saved_message = NULL;
488                         break;
489                     }
490                     printf("Unknown input\n");
491               }
492 
493               if (line != NULL)
494                     free(line);
495           }
496     }
497 
498     /* some checks related to the "-F logfile" option */
499     if (logfile)
500     {
501           size_t size = 0, len;
502 
503           if (saved_message)
504               error (1, 0, "cannot specify both a message and a log file");
505 
506           get_file (logfile, logfile, "r", &saved_message, &size, &len);
507     }
508 
509 #ifdef CLIENT_SUPPORT
510     if (current_parsed_root->isremote)
511     {
512           struct find_data find_args;
513 
514           ign_setup ();
515 
516           find_args.ulist = getlist ();
517           find_args.argc = 0;
518           find_args.questionables = NULL;
519           find_args.ignlist = NULL;
520           find_args.repository = NULL;
521 
522           /* It is possible that only a numeric tag should set this.
523              I haven't really thought about it much.
524              Anyway, I suspect that setting it unnecessarily only causes
525              a little unneeded network traffic.  */
526           find_args.force = force_ci || saved_tag != NULL;
527 
528           err = start_recursion
529               (find_fileproc, find_filesdoneproc, find_dirent_proc, NULL,
530                &find_args, argc, argv, local, W_LOCAL, 0, CVS_LOCK_NONE,
531                NULL, 0, NULL );
532           if (err)
533               error (1, 0, "correct above errors first!");
534 
535           if (find_args.argc == 0)
536           {
537               /* Nothing to commit.  Exit now without contacting the
538                  server (note that this means that we won't print "?
539                  foo" for files which merit it, because we don't know
540                  what is in the CVSROOT/cvsignore file).  */
541               dellist (&find_args.ulist);
542               return 0;
543           }
544 
545           /* Now we keep track of which files we actually are going to
546              operate on, and only work with those files in the future.
547              This saves time--we don't want to search the file system
548              of the working directory twice.  */
549           if (size_overflow_p (xtimes (find_args.argc, sizeof (char **))))
550           {
551               find_args.argc = 0;
552               return 0;
553           }
554           find_args.argv = xnmalloc (find_args.argc, sizeof (char **));
555           find_args.argc = 0;
556           walklist (find_args.ulist, copy_ulist, &find_args);
557 
558           /* Do this before calling do_editor; don't ask for a log
559              message if we can't talk to the server.  But do it after we
560              have made the checks that we can locally (to more quickly
561              catch syntax errors, the case where no files are modified,
562              added or removed, etc.).
563 
564              On the other hand, calling start_server before do_editor
565              means that we chew up server resources the whole time that
566              the user has the editor open (hours or days if the user
567              forgets about it), which seems dubious.  */
568           start_server ();
569 
570           /*
571            * We do this once, not once for each directory as in normal CVS.
572            * The protocol is designed this way.  This is a feature.
573            */
574           if (use_editor)
575               do_editor (".", &saved_message, NULL, find_args.ulist);
576 
577           /* We always send some sort of message, even if empty.  */
578           option_with_arg ("-m", saved_message ? saved_message : "");
579 
580           /* OK, now process all the questionable files we have been saving
581              up.  */
582           {
583               struct question *p;
584               struct question *q;
585 
586               p = find_args.questionables;
587               while (p != NULL)
588               {
589                     if (ign_inhibit_server || !supported_request ("Questionable"))
590                     {
591                         cvs_output ("? ", 2);
592                         if (p->dir[0] != '\0')
593                         {
594                               cvs_output (p->dir, 0);
595                               cvs_output ("/", 1);
596                         }
597                         cvs_output (p->file, 0);
598                         cvs_output ("\n", 1);
599                     }
600                     else
601                     {
602                         /* This used to send the Directory line of its own accord,
603                          * but skipped some of the other processing like checking
604                          * for whether the server would accept "Relative-directory"
605                          * requests.  Relying on send_a_repository() to do this
606                          * picks up these checks but also:
607                          *
608                          *   1. Causes the "Directory" request to be sent only once
609                          *      per directory.
610                          *   2. Causes the global TOPLEVEL_REPOS to be set.
611                          *   3. Causes "Static-directory" and "Sticky" requests
612                          *      to sometimes be sent.
613                          *
614                          * (1) is almost certainly a plus.  (2) & (3) may or may
615                          * not be useful sometimes, and will ocassionally cause a
616                          * little extra network traffic.  The additional network
617                          * traffic is probably already saved several times over and
618                          * certainly cancelled out via the multiple "Directory"
619                          * request suppression of (1).
620                          */
621                         send_a_repository (p->dir, p->repos, p->dir);
622 
623                         send_to_server ("Questionable ", 0);
624                         send_to_server (p->file, 0);
625                         send_to_server ("\012", 1);
626                     }
627                     free (p->dir);
628                     free (p->repos);
629                     free (p->file);
630                     q = p->next;
631                     free (p);
632                     p = q;
633               }
634           }
635 
636           if (local)
637               send_arg ("-l");
638         if (check_valid_edit)
639             send_arg ("-c");
640           if (force_ci)
641               send_arg ("-f");
642           option_with_arg ("-r", saved_tag);
643           send_arg ("--");
644 
645           /* FIXME: This whole find_args.force/SEND_FORCE business is a
646              kludge.  It would seem to be a server bug that we have to
647              say that files are modified when they are not.  This makes
648              "cvs commit -r 2" across a whole bunch of files a very slow
649              operation (and it isn't documented in cvsclient.texi).  I
650              haven't looked at the server code carefully enough to be
651              _sure_ why this is needed, but if it is because the "ci"
652              program, which we used to call, wanted the file to exist,
653              then it would be relatively simple to fix in the server.  */
654           send_files (find_args.argc, find_args.argv, local, 0,
655                         find_args.force ? SEND_FORCE : 0);
656 
657           /* Sending only the names of the files which were modified, added,
658              or removed means that the server will only do an up-to-date
659              check on those files.  This is different from local CVS and
660              previous versions of client/server CVS, but it probably is a Good
661              Thing, or at least Not Such A Bad Thing.  */
662           send_file_names (find_args.argc, find_args.argv, 0);
663           free (find_args.argv);
664           dellist (&find_args.ulist);
665 
666           send_to_server ("ci\012", 0);
667           err = get_responses_and_close ();
668           if (err != 0 && use_editor && saved_message != NULL)
669           {
670               /* If there was an error, don't nuke the user's carefully
671                  constructed prose.  This is something of a kludge; a better
672                  solution is probably more along the lines of #150 in TODO
673                  (doing a second up-to-date check before accepting the
674                  log message has also been suggested, but that seems kind of
675                  iffy because the real up-to-date check could still fail,
676                  another error could occur, &c.  Also, a second check would
677                  slow things down).  */
678 
679               char *fname;
680               FILE *fp;
681 
682               fp = cvs_temp_file (&fname);
683               if (fp == NULL)
684                     error (1, 0, "cannot create temporary file %s", fname);
685               if (fwrite (saved_message, 1, strlen (saved_message), fp)
686                     != strlen (saved_message))
687                     error (1, errno, "cannot write temporary file %s", fname);
688               if (fclose (fp) < 0)
689                     error (0, errno, "cannot close temporary file %s", fname);
690               error (0, 0, "saving log message in %s", fname);
691               free (fname);
692           }
693           return err;
694     }
695 #endif
696 
697     if (saved_tag != NULL)
698           tag_check_valid (saved_tag, argc, argv, local, aflag, "", false);
699 
700     /* XXX - this is not the perfect check for this */
701     if (argc <= 0)
702           write_dirtag = saved_tag;
703 
704     wrap_setup ();
705 
706     lock_tree_promotably (argc, argv, local, W_LOCAL, aflag);
707 
708     /*
709      * Set up the master update list and hard link list
710      */
711     mulist = getlist ();
712 
713 #ifdef PRESERVE_PERMISSIONS_SUPPORT
714     if (preserve_perms)
715     {
716           hardlist = getlist ();
717 
718           /*
719            * We need to save the working directory so that
720            * check_fileproc can construct a full pathname for each file.
721            */
722           working_dir = xgetcwd ();
723     }
724 #endif
725 
726     /*
727      * Run the recursion processor to verify the files are all up-to-date
728      */
729     err = start_recursion (check_fileproc, check_filesdoneproc,
730                            check_direntproc, NULL, NULL, argc, argv, local,
731                            W_LOCAL, aflag, CVS_LOCK_NONE, NULL, 1, NULL);
732     if (err)
733           error (1, 0, "correct above errors first!");
734 
735     /*
736      * Run the recursion processor to commit the files
737      */
738     write_dirnonbranch = 0;
739     if (noexec == 0)
740           err = start_recursion (commit_fileproc, commit_filesdoneproc,
741                                commit_direntproc, commit_dirleaveproc, NULL,
742                                argc, argv, local, W_LOCAL, aflag,
743                                CVS_LOCK_WRITE, NULL, 1, NULL);
744 
745     /*
746      * Unlock all the dirs and clean up
747      */
748     Lock_Cleanup ();
749     dellist (&mulist);
750 
751     /* see if we need to sleep before returning to avoid time-stamp races */
752     if (!server_active && last_register_time)
753     {
754           sleep_past (last_register_time);
755     }
756 
757     return err;
758 }
759 
760 
761 
762 /* This routine determines the status of a given file and retrieves
763    the version information that is associated with that file. */
764 
765 static
766 Ctype
classify_file_internal(struct file_info * finfo,Vers_TS ** vers)767 classify_file_internal (struct file_info *finfo, Vers_TS **vers)
768 {
769     int save_noexec, save_quiet, save_really_quiet;
770     Ctype status;
771 
772     /* FIXME: Do we need to save quiet as well as really_quiet?  Last
773        time I glanced at Classify_File I only saw it looking at really_quiet
774        not quiet.  */
775     save_noexec = noexec;
776     save_quiet = quiet;
777     save_really_quiet = really_quiet;
778     noexec = quiet = really_quiet = 1;
779 
780     /* handle specified numeric revision specially */
781     if (saved_tag && isdigit ((unsigned char) *saved_tag))
782     {
783           /* If the tag is for the trunk, make sure we're at the head */
784           if (numdots (saved_tag) < 2)
785           {
786               status = Classify_File (finfo, NULL, NULL,
787                                             NULL, 1, aflag, vers, 0);
788               if (status == T_UPTODATE || status == T_MODIFIED ||
789                     status == T_ADDED)
790               {
791                     Ctype xstatus;
792 
793                     freevers_ts (vers);
794                     xstatus = Classify_File (finfo, saved_tag, NULL,
795                                                    NULL, 1, aflag, vers, 0);
796                     if (xstatus == T_REMOVE_ENTRY)
797                         status = T_MODIFIED;
798                     else if (status == T_MODIFIED && xstatus == T_CONFLICT)
799                         status = T_MODIFIED;
800                     else
801                         status = xstatus;
802               }
803           }
804           else
805           {
806               char *xtag, *cp;
807 
808               /*
809                * The revision is off the main trunk; make sure we're
810                * up-to-date with the head of the specified branch.
811                */
812               xtag = xstrdup (saved_tag);
813               if ((numdots (xtag) & 1) != 0)
814               {
815                     cp = strrchr (xtag, '.');
816                     *cp = '\0';
817               }
818               status = Classify_File (finfo, xtag, NULL,
819                                             NULL, 1, aflag, vers, 0);
820               if ((status == T_REMOVE_ENTRY || status == T_CONFLICT)
821                     && (cp = strrchr (xtag, '.')) != NULL)
822               {
823                     /* pluck one more dot off the revision */
824                     *cp = '\0';
825                     freevers_ts (vers);
826                     status = Classify_File (finfo, xtag, NULL,
827                                                   NULL, 1, aflag, vers, 0);
828                     if (status == T_UPTODATE || status == T_REMOVE_ENTRY)
829                         status = T_MODIFIED;
830               }
831               /* now, muck with vers to make the tag correct */
832               free ((*vers)->tag);
833               (*vers)->tag = xstrdup (saved_tag);
834               free (xtag);
835           }
836     }
837     else
838           status = Classify_File (finfo, saved_tag, NULL, NULL, 1, 0, vers, 0);
839     noexec = save_noexec;
840     quiet = save_quiet;
841     really_quiet = save_really_quiet;
842 
843     return status;
844 }
845 
846 
847 
848 /*
849  * Check to see if a file is ok to commit and make sure all files are
850  * up-to-date
851  */
852 /* ARGSUSED */
853 static int
check_fileproc(void * callerdat,struct file_info * finfo)854 check_fileproc (void *callerdat, struct file_info *finfo)
855 {
856     Ctype status;
857     const char *xdir;
858     Node *p;
859     List *ulist, *cilist;
860     Vers_TS *vers;
861     struct commit_info *ci;
862     struct logfile_info *li;
863     int retval = 1;
864 
865     size_t cvsroot_len = strlen (current_parsed_root->directory);
866 
867     if (!finfo->repository)
868     {
869           error (0, 0, "nothing known about `%s'", finfo->fullname);
870           return 1;
871     }
872 
873     if (strncmp (finfo->repository, current_parsed_root->directory,
874                  cvsroot_len) == 0
875           && ISSLASH (finfo->repository[cvsroot_len])
876           && strncmp (finfo->repository + cvsroot_len + 1,
877                         CVSROOTADM,
878                         sizeof (CVSROOTADM) - 1) == 0
879           && ISSLASH (finfo->repository[cvsroot_len + sizeof (CVSROOTADM)])
880           && strcmp (finfo->repository + cvsroot_len + sizeof (CVSROOTADM) + 1,
881                        CVSNULLREPOS) == 0
882           )
883           error (1, 0, "cannot check in to %s", finfo->repository);
884 
885     status = classify_file_internal (finfo, &vers);
886 
887     /*
888      * If the force-commit option is enabled, and the file in question
889      * appears to be up-to-date, just make it look modified so that
890      * it will be committed.
891      */
892     if (force_ci && status == T_UPTODATE)
893           status = T_MODIFIED;
894 
895     switch (status)
896     {
897           case T_CHECKOUT:
898           case T_PATCH:
899           case T_NEEDS_MERGE:
900           case T_REMOVE_ENTRY:
901               error (0, 0, "Up-to-date check failed for `%s'", finfo->fullname);
902               goto out;
903           case T_CONFLICT:
904           case T_MODIFIED:
905           case T_ADDED:
906           case T_REMOVED:
907         {
908             char *editor;
909 
910               /*
911                * some quick sanity checks; if no numeric -r option specified:
912                *    - can't have a sticky date
913                *    - can't have a sticky tag that is not a branch
914                * Also,
915                *    - if status is T_REMOVED, file must not exist and its entry
916                *      can't have a numeric sticky tag.
917                *    - if status is T_ADDED, rcs file must not exist unless on
918                *    a branch or head is dead
919                *    - if status is T_ADDED, can't have a non-trunk numeric rev
920                *    - if status is T_MODIFIED and a Conflict marker exists, don't
921                *    allow the commit if timestamp is identical or if we find
922                *    an RCS_MERGE_PAT in the file.
923                */
924               if (!saved_tag || !isdigit ((unsigned char) *saved_tag))
925               {
926                     if (vers->date)
927                     {
928                         error (0, 0,
929                                  "cannot commit with sticky date for file `%s'",
930                                  finfo->fullname);
931                         goto out;
932                     }
933                     if (status == T_MODIFIED && vers->tag &&
934                         !RCS_isbranch (finfo->rcs, vers->tag))
935                     {
936                         error (0, 0,
937                                  "sticky tag `%s' for file `%s' is not a branch",
938                                  vers->tag, finfo->fullname);
939                         goto out;
940                     }
941               }
942               if (status == T_CONFLICT && !force_ci)
943               {
944                     error (0, 0,
945                           "file `%s' had a conflict and has not been modified",
946                            finfo->fullname);
947                     goto out;
948               }
949               if (status == T_MODIFIED && !force_ci && file_has_markers (finfo))
950               {
951                     /* Make this a warning, not an error, because we have
952                        no way of knowing whether the "conflict indicators"
953                        are really from a conflict or whether they are part
954                        of the document itself (cvs.texinfo and sanity.sh in
955                        CVS itself, for example, tend to want to have strings
956                        like ">>>>>>>" at the start of a line).  Making people
957                        kludge this the way they need to kludge keyword
958                        expansion seems undesirable.  And it is worse than
959                        keyword expansion, because there is no -ko
960                        analogue.  */
961                     error (0, 0,
962                            "\
963 warning: file `%s' seems to still contain conflict indicators",
964                            finfo->fullname);
965               }
966 
967               if (status == T_REMOVED)
968               {
969                     if (vers->ts_user != NULL)
970                     {
971                         error (0, 0,
972                                  "`%s' should be removed and is still there (or is"
973                                  " back again)", finfo->fullname);
974                         goto out;
975                     }
976 
977                     if (vers->tag && isdigit ((unsigned char) *vers->tag))
978                     {
979                         /* Remove also tries to forbid this, but we should check
980                            here.  I'm only _sure_ about somewhat obscure cases
981                            (hacking the Entries file, using an old version of
982                            CVS for the remove and a new one for the commit), but
983                            there might be other cases.  */
984                         error (0, 0,
985                                  "cannot remove file `%s' which has a numeric sticky"
986                                  " tag of `%s'", finfo->fullname, vers->tag);
987                         freevers_ts (&vers);
988                         goto out;
989                     }
990               }
991               if (status == T_ADDED)
992               {
993                   if (vers->tag == NULL)
994                     {
995                         if (finfo->rcs != NULL &&
996                               !RCS_isdead (finfo->rcs, finfo->rcs->head))
997                         {
998                               error (0, 0,
999                         "cannot add file `%s' when RCS file `%s' already exists",
1000                                      finfo->fullname, finfo->rcs->path);
1001                               goto out;
1002                         }
1003                     }
1004                     else if (isdigit ((unsigned char) *vers->tag) &&
1005                         numdots (vers->tag) > 1)
1006                     {
1007                         error (0, 0,
1008                     "cannot add file `%s' with revision `%s'; must be on trunk",
1009                                      finfo->fullname, vers->tag);
1010                         goto out;
1011                     }
1012               }
1013 
1014               /* done with consistency checks; now, to get on with the commit */
1015               if (finfo->update_dir[0] == '\0')
1016                     xdir = ".";
1017               else
1018                     xdir = finfo->update_dir;
1019               if ((p = findnode (mulist, xdir)) != NULL)
1020               {
1021                     ulist = ((struct master_lists *) p->data)->ulist;
1022                     cilist = ((struct master_lists *) p->data)->cilist;
1023               }
1024               else
1025               {
1026                     struct master_lists *ml;
1027 
1028                     ml = xmalloc (sizeof (struct master_lists));
1029                     ulist = ml->ulist = getlist ();
1030                     cilist = ml->cilist = getlist ();
1031 
1032                     p = getnode ();
1033                     p->key = xstrdup (xdir);
1034                     p->type = UPDATE;
1035                     p->data = ml;
1036                     p->delproc = masterlist_delproc;
1037                     (void) addnode (mulist, p);
1038               }
1039 
1040               /* first do ulist, then cilist */
1041               p = getnode ();
1042               p->key = xstrdup (finfo->file);
1043               p->type = UPDATE;
1044               p->delproc = update_delproc;
1045               li = xmalloc (sizeof (struct logfile_info));
1046               li->type = status;
1047 
1048               if (check_valid_edit)
1049             {
1050                 char *editors = NULL;
1051 
1052                     editor = NULL;
1053                 editors = fileattr_get0 (finfo->file, "_editors");
1054                 if (editors != NULL)
1055                 {
1056                     char *caller = getcaller ();
1057                     char *p = NULL;
1058                     char *p0 = NULL;
1059 
1060                     p = editors;
1061                     p0 = p;
1062                     while (*p != '\0')
1063                     {
1064                         p = strchr (p, '>');
1065                         if (p == NULL)
1066                         {
1067                             break;
1068                         }
1069                         *p = '\0';
1070                         if (strcmp (caller, p0) == 0)
1071                         {
1072                             break;
1073                         }
1074                         p = strchr (p + 1, ',');
1075                         if (p == NULL)
1076                         {
1077                             break;
1078                         }
1079                         ++p;
1080                         p0 = p;
1081                     }
1082 
1083                     if (strcmp (caller, p0) == 0)
1084                     {
1085                         editor = caller;
1086                     }
1087 
1088                     free (editors);
1089                 }
1090             }
1091 
1092             if (check_valid_edit && editor == NULL)
1093             {
1094                 error (0, 0, "Valid edit does not exist for %s",
1095                        finfo->fullname);
1096                 freevers_ts (&vers);
1097                 return 1;
1098             }
1099 
1100               li->tag = xstrdup (vers->tag);
1101               li->rev_old = xstrdup (vers->vn_rcs);
1102               li->rev_new = NULL;
1103               p->data = li;
1104               (void) addnode (ulist, p);
1105 
1106               p = getnode ();
1107               p->key = xstrdup (finfo->file);
1108               p->type = UPDATE;
1109               p->delproc = ci_delproc;
1110               ci = xmalloc (sizeof (struct commit_info));
1111               ci->status = status;
1112               if (vers->tag)
1113                     if (isdigit ((unsigned char) *vers->tag))
1114                         ci->rev = xstrdup (vers->tag);
1115                     else
1116                         ci->rev = RCS_whatbranch (finfo->rcs, vers->tag);
1117               else
1118                     ci->rev = NULL;
1119               ci->tag = xstrdup (vers->tag);
1120               ci->options = xstrdup (vers->options);
1121               p->data = ci;
1122               (void) addnode (cilist, p);
1123 
1124 #ifdef PRESERVE_PERMISSIONS_SUPPORT
1125               if (preserve_perms)
1126               {
1127                     /* Add this file to hardlist, indexed on its inode.  When
1128                        we are done, we can find out what files are hardlinked
1129                        to a given file by looking up its inode in hardlist. */
1130                     char *fullpath;
1131                     Node *linkp;
1132                     struct hardlink_info *hlinfo;
1133 
1134                     /* Get the full pathname of the current file. */
1135                     fullpath = Xasprintf ("%s/%s", working_dir, finfo->fullname);
1136 
1137                     /* To permit following links in subdirectories, files
1138                    are keyed on finfo->fullname, not on finfo->name. */
1139                     linkp = lookup_file_by_inode (fullpath);
1140 
1141                     /* If linkp is NULL, the file doesn't exist... maybe
1142                        we're doing a remove operation? */
1143                     if (linkp != NULL)
1144                     {
1145                         /* Create a new hardlink_info node, which will record
1146                            the current file's status and the links listed in its
1147                            `hardlinks' delta field.  We will append this
1148                            hardlink_info node to the appropriate hardlist entry. */
1149                         hlinfo = xmalloc (sizeof (struct hardlink_info));
1150                         hlinfo->status = status;
1151                         linkp->data = hlinfo;
1152                     }
1153               }
1154 #endif
1155 
1156               break;
1157         }
1158 
1159           case T_UNKNOWN:
1160               error (0, 0, "nothing known about `%s'", finfo->fullname);
1161               goto out;
1162           case T_UPTODATE:
1163               break;
1164           default:
1165               error (0, 0, "CVS internal error: unknown status %d", status);
1166               break;
1167     }
1168 
1169     retval = 0;
1170 
1171  out:
1172 
1173     freevers_ts (&vers);
1174     return retval;
1175 }
1176 
1177 
1178 
1179 /*
1180  * By default, return the code that tells do_recursion to examine all
1181  * directories
1182  */
1183 /* ARGSUSED */
1184 static Dtype
check_direntproc(void * callerdat,const char * dir,const char * repos,const char * update_dir,List * entries)1185 check_direntproc (void *callerdat, const char *dir, const char *repos,
1186                   const char *update_dir, List *entries)
1187 {
1188     if (!isdir (dir))
1189           return R_SKIP_ALL;
1190 
1191     if (!quiet)
1192           error (0, 0, "Examining %s", update_dir);
1193 
1194     return R_PROCESS;
1195 }
1196 
1197 
1198 
1199 /*
1200  * Walklist proc to generate an arg list from the line in commitinfo
1201  */
1202 static int
precommit_list_to_args_proc(p,closure)1203 precommit_list_to_args_proc (p, closure)
1204     Node *p;
1205     void *closure;
1206 {
1207     struct format_cmdline_walklist_closure *c = closure;
1208     struct logfile_info *li;
1209     char *arg = NULL;
1210     const char *f;
1211     char *d;
1212     size_t doff;
1213 
1214     if (p->data == NULL) return 1;
1215 
1216     f = c->format;
1217     d = *c->d;
1218     /* foreach requested attribute */
1219     while (*f)
1220     {
1221           switch (*f++)
1222           {
1223               case 's':
1224                     li = p->data;
1225                     if (li->type == T_ADDED
1226                               || li->type == T_MODIFIED
1227                               || li->type == T_REMOVED)
1228                     {
1229                         arg = p->key;
1230                     }
1231                     break;
1232               default:
1233                     error (1, 0,
1234                            "Unknown format character or not a list attribute: %c",
1235                            f[-1]);
1236                     /* NOTREACHED */
1237                     break;
1238           }
1239           /* copy the attribute into an argument */
1240           if (c->quotes)
1241           {
1242               arg = cmdlineescape (c->quotes, arg);
1243           }
1244           else
1245           {
1246               arg = cmdlinequote ('"', arg);
1247           }
1248           doff = d - *c->buf;
1249           expand_string (c->buf, c->length, doff + strlen (arg));
1250           d = *c->buf + doff;
1251           strncpy (d, arg, strlen (arg));
1252           d += strlen (arg);
1253           free (arg);
1254 
1255           /* and always put the extra space on.  we'll have to back up a char
1256            * when we're done, but that seems most efficient
1257            */
1258           doff = d - *c->buf;
1259           expand_string (c->buf, c->length, doff + 1);
1260           d = *c->buf + doff;
1261           *d++ = ' ';
1262     }
1263     /* correct our original pointer into the buff */
1264     *c->d = d;
1265     return 0;
1266 }
1267 
1268 
1269 
1270 /*
1271  * Callback proc for pre-commit checking
1272  */
1273 static int
precommit_proc(const char * repository,const char * filter,void * closure)1274 precommit_proc (const char *repository, const char *filter, void *closure)
1275 {
1276     char *newfilter = NULL;
1277     char *cmdline;
1278     const char *srepos = Short_Repository (repository);
1279     List *ulist = closure;
1280 
1281 #ifdef SUPPORT_OLD_INFO_FMT_STRINGS
1282     if (!strchr (filter, '%'))
1283     {
1284           error (0, 0,
1285                "warning: commitinfo line contains no format strings:\n"
1286                "    \"%s\"\n"
1287                "Appending defaults (\" %%r/%%p %%s\"), but please be aware that this usage is\n"
1288                "deprecated.", filter);
1289           newfilter = Xasprintf ("%s %%r/%%p %%s", filter);
1290           filter = newfilter;
1291     }
1292 #endif /* SUPPORT_OLD_INFO_FMT_STRINGS */
1293 
1294     /*
1295      * Cast any NULL arguments as appropriate pointers as this is an
1296      * stdarg function and we need to be certain the caller gets what
1297      * is expected.
1298      */
1299     cmdline = format_cmdline (
1300 #ifdef SUPPORT_OLD_INFO_FMT_STRINGS
1301                                     false, srepos,
1302 #endif /* SUPPORT_OLD_INFO_FMT_STRINGS */
1303                                     filter,
1304                                     "c", "s", cvs_cmd_name,
1305 #ifdef SERVER_SUPPORT
1306                                     "R", "s", referrer ? referrer->original : "NONE",
1307 #endif /* SERVER_SUPPORT */
1308                                     "p", "s", srepos,
1309                                     "r", "s", current_parsed_root->directory,
1310                                     "s", ",", ulist, precommit_list_to_args_proc,
1311                                     (void *) NULL,
1312                                     (char *) NULL);
1313 
1314     if (newfilter) free (newfilter);
1315 
1316     if (!cmdline || !strlen (cmdline))
1317     {
1318           if (cmdline) free (cmdline);
1319           error (0, 0, "precommit proc resolved to the empty string!");
1320           return 1;
1321     }
1322 
1323     run_setup (cmdline);
1324     free (cmdline);
1325 
1326     return run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL | RUN_REALLY);
1327 }
1328 
1329 
1330 
1331 /*
1332  * Run the pre-commit checks for the dir
1333  */
1334 /* ARGSUSED */
1335 static int
check_filesdoneproc(void * callerdat,int err,const char * repos,const char * update_dir,List * entries)1336 check_filesdoneproc (void *callerdat, int err, const char *repos,
1337                      const char *update_dir, List *entries)
1338 {
1339     int n;
1340     Node *p;
1341     List *saved_ulist;
1342 
1343     /* find the update list for this dir */
1344     p = findnode (mulist, update_dir);
1345     if (p != NULL)
1346           saved_ulist = ((struct master_lists *) p->data)->ulist;
1347     else
1348           saved_ulist = NULL;
1349 
1350     /* skip the checks if there's nothing to do */
1351     if (saved_ulist == NULL || saved_ulist->list->next == saved_ulist->list)
1352           return err;
1353 
1354     /* run any pre-commit checks */
1355     n = Parse_Info (CVSROOTADM_COMMITINFO, repos, precommit_proc, PIOPT_ALL,
1356                     saved_ulist);
1357     if (n > 0)
1358     {
1359           error (0, 0, "Pre-commit check failed");
1360           err += n;
1361     }
1362 
1363     return err;
1364 }
1365 
1366 
1367 
1368 /*
1369  * Do the work of committing a file
1370  */
1371 static int maxrev;
1372 static char *sbranch;
1373 
1374 /* ARGSUSED */
1375 static int
commit_fileproc(void * callerdat,struct file_info * finfo)1376 commit_fileproc (void *callerdat, struct file_info *finfo)
1377 {
1378     Node *p;
1379     int err = 0;
1380     List *ulist, *cilist;
1381     struct commit_info *ci;
1382 
1383     /* Keep track of whether write_dirtag is a branch tag.
1384        Note that if it is a branch tag in some files and a nonbranch tag
1385        in others, treat it as a nonbranch tag.  It is possible that case
1386        should elicit a warning or an error.  */
1387     if (write_dirtag != NULL
1388           && finfo->rcs != NULL)
1389     {
1390           char *rev = RCS_getversion (finfo->rcs, write_dirtag, NULL, 1, NULL);
1391           if (rev != NULL
1392               && !RCS_nodeisbranch (finfo->rcs, write_dirtag))
1393               write_dirnonbranch = 1;
1394           if (rev != NULL)
1395               free (rev);
1396     }
1397 
1398     if (finfo->update_dir[0] == '\0')
1399           p = findnode (mulist, ".");
1400     else
1401           p = findnode (mulist, finfo->update_dir);
1402 
1403     /*
1404      * if p is null, there were file type command line args which were
1405      * all up-to-date so nothing really needs to be done
1406      */
1407     if (p == NULL)
1408           return 0;
1409     ulist = ((struct master_lists *) p->data)->ulist;
1410     cilist = ((struct master_lists *) p->data)->cilist;
1411 
1412     /*
1413      * At this point, we should have the commit message unless we were called
1414      * with files as args from the command line.  In that latter case, we
1415      * need to get the commit message ourselves
1416      */
1417     if (!got_message)
1418     {
1419           got_message = 1;
1420           if (!server_active && use_editor)
1421               do_editor (finfo->update_dir, &saved_message,
1422                            finfo->repository, ulist);
1423           do_verify (&saved_message, finfo->repository, ulist);
1424     }
1425 
1426     p = findnode (cilist, finfo->file);
1427     if (p == NULL)
1428           return 0;
1429 
1430     ci = p->data;
1431     if (ci->status == T_MODIFIED)
1432     {
1433           if (finfo->rcs == NULL)
1434               error (1, 0, "internal error: no parsed RCS file");
1435           if (lock_RCS (finfo->file, finfo->rcs, ci->rev,
1436                           finfo->repository) != 0)
1437           {
1438               unlockrcs (finfo->rcs);
1439               err = 1;
1440               goto out;
1441           }
1442     }
1443     else if (ci->status == T_ADDED)
1444     {
1445           if (checkaddfile (finfo->file, finfo->repository, ci->tag, ci->options,
1446                                 &finfo->rcs) != 0)
1447           {
1448               if (finfo->rcs != NULL)
1449                     fixaddfile (finfo->rcs->path);
1450               err = 1;
1451               goto out;
1452           }
1453 
1454           /* adding files with a tag, now means adding them on a branch.
1455              Since the branch test was done in check_fileproc for
1456              modified files, we need to stub it in again here. */
1457 
1458           if (ci->tag
1459 
1460               /* If numeric, it is on the trunk; check_fileproc enforced
1461                  this.  */
1462               && !isdigit ((unsigned char) ci->tag[0]))
1463           {
1464               if (finfo->rcs == NULL)
1465                     error (1, 0, "internal error: no parsed RCS file");
1466               if (ci->rev)
1467                     free (ci->rev);
1468               ci->rev = RCS_whatbranch (finfo->rcs, ci->tag);
1469               err = Checkin ('A', finfo, ci->rev,
1470                                  ci->tag, ci->options, saved_message);
1471               if (err != 0)
1472               {
1473                     unlockrcs (finfo->rcs);
1474                     fixbranch (finfo->rcs, sbranch);
1475               }
1476 
1477               (void) time (&last_register_time);
1478 
1479               ci->status = T_UPTODATE;
1480           }
1481     }
1482 
1483     /*
1484      * Add the file for real
1485      */
1486     if (ci->status == T_ADDED)
1487     {
1488           char *xrev = NULL;
1489 
1490           if (ci->rev == NULL)
1491           {
1492               /* find the max major rev number in this directory */
1493               maxrev = 0;
1494               (void) walklist (finfo->entries, findmaxrev, NULL);
1495               if (finfo->rcs->head)
1496               {
1497                     /* resurrecting: include dead revision */
1498                     int thisrev = atoi (finfo->rcs->head);
1499                     if (thisrev > maxrev)
1500                         maxrev = thisrev;
1501               }
1502               if (maxrev == 0)
1503                     maxrev = 1;
1504               xrev = Xasprintf ("%d", maxrev);
1505           }
1506 
1507           /* XXX - an added file with symbolic -r should add tag as well */
1508           err = finaladd (finfo, ci->rev ? ci->rev : xrev, ci->tag, ci->options);
1509           if (xrev)
1510               free (xrev);
1511     }
1512     else if (ci->status == T_MODIFIED)
1513     {
1514           err = Checkin ('M', finfo, ci->rev, ci->tag,
1515                            ci->options, saved_message);
1516 
1517           (void) time (&last_register_time);
1518 
1519           if (err != 0)
1520           {
1521               unlockrcs (finfo->rcs);
1522               fixbranch (finfo->rcs, sbranch);
1523           }
1524     }
1525     else if (ci->status == T_REMOVED)
1526     {
1527           err = remove_file (finfo, ci->tag, saved_message);
1528 #ifdef SERVER_SUPPORT
1529           if (server_active)
1530           {
1531               server_scratch_entry_only ();
1532               server_updated (finfo,
1533                                   NULL,
1534 
1535                                   /* Doesn't matter, it won't get checked.  */
1536                                   SERVER_UPDATED,
1537 
1538                                   (mode_t) -1,
1539                                   NULL,
1540                                   NULL);
1541           }
1542 #endif
1543     }
1544 
1545     /* Clearly this is right for T_MODIFIED.  I haven't thought so much
1546        about T_ADDED or T_REMOVED.  */
1547     notify_do ('C', finfo->file, finfo->update_dir, getcaller (), NULL, NULL,
1548                  finfo->repository);
1549 
1550 out:
1551     if (err != 0)
1552     {
1553           /* on failure, remove the file from ulist */
1554           p = findnode (ulist, finfo->file);
1555           if (p)
1556               delnode (p);
1557     }
1558     else
1559     {
1560           /* On success, retrieve the new version number of the file and
1561            copy it into the log information (see logmsg.c
1562            (logfile_write) for more details).  We should only update
1563            the version number for files that have been added or
1564            modified but not removed since classify_file_internal
1565            will return the version number of a file even after it has
1566            been removed from the archive, which is not the behavior we
1567            want for our commitlog messages; we want the old version
1568            number and then "NONE." */
1569 
1570           if (ci->status != T_REMOVED)
1571           {
1572               p = findnode (ulist, finfo->file);
1573               if (p)
1574               {
1575                     Vers_TS *vers;
1576                     struct logfile_info *li;
1577 
1578                     (void) classify_file_internal (finfo, &vers);
1579                     li = p->data;
1580                     li->rev_new = xstrdup (vers->vn_rcs);
1581                     freevers_ts (&vers);
1582               }
1583           }
1584     }
1585     if (SIG_inCrSect ())
1586           SIG_endCrSect ();
1587 
1588     return err;
1589 }
1590 
1591 
1592 
1593 /*
1594  * Log the commit and clean up the update list
1595  */
1596 /* ARGSUSED */
1597 static int
commit_filesdoneproc(void * callerdat,int err,const char * repository,const char * update_dir,List * entries)1598 commit_filesdoneproc (void *callerdat, int err, const char *repository,
1599                       const char *update_dir, List *entries)
1600 {
1601     Node *p;
1602     List *ulist;
1603 
1604     assert (repository);
1605 
1606     p = findnode (mulist, update_dir);
1607     if (p == NULL)
1608           return err;
1609 
1610     ulist = ((struct master_lists *) p->data)->ulist;
1611 
1612     got_message = 0;
1613 
1614     /* Build the administrative files if necessary.  */
1615     {
1616           const char *p;
1617 
1618           if (strncmp (current_parsed_root->directory, repository,
1619                          strlen (current_parsed_root->directory)) != 0)
1620               error (0, 0,
1621                      "internal error: repository (%s) doesn't begin with root (%s)",
1622                        repository, current_parsed_root->directory);
1623           p = repository + strlen (current_parsed_root->directory);
1624           if (*p == '/')
1625               ++p;
1626           if (strcmp ("CVSROOT", p) == 0
1627               /* Check for subdirectories because people may want to create
1628                  subdirectories and list files therein in checkoutlist.  */
1629               || strncmp ("CVSROOT/", p, strlen ("CVSROOT/")) == 0
1630               )
1631           {
1632               /* "Database" might a little bit grandiose and/or vague,
1633                  but "checked-out copies of administrative files, unless
1634                  in the case of modules and you are using ndbm in which
1635                  case modules.{pag,dir,db}" is verbose and excessively
1636                  focused on how the database is implemented.  */
1637 
1638               /* mkmodules requires the absolute name of the CVSROOT directory.
1639                  Remove anything after the `CVSROOT' component -- this is
1640                  necessary when committing in a subdirectory of CVSROOT.  */
1641               char *admin_dir = xstrdup (repository);
1642               int cvsrootlen = strlen ("CVSROOT");
1643               assert (admin_dir[p - repository + cvsrootlen] == '\0'
1644                         || admin_dir[p - repository + cvsrootlen] == '/');
1645               admin_dir[p - repository + cvsrootlen] = '\0';
1646 
1647               if (!really_quiet)
1648               {
1649                     cvs_output (program_name, 0);
1650                     cvs_output (" ", 1);
1651                     cvs_output (cvs_cmd_name, 0);
1652                     cvs_output (": Rebuilding administrative file database\n", 0);
1653               }
1654               mkmodules (admin_dir);
1655               free (admin_dir);
1656               WriteTemplate (".", 1, repository);
1657           }
1658     }
1659 
1660     /* FIXME: This used to be above the block above.  The advantage of being
1661      * here is that it is not called until after all possible writes from this
1662      * process are complete.  The disadvantage is that a fatal error during
1663      * update of CVSROOT can prevent the loginfo script from being called.
1664      *
1665      * A more general solution I have been considering is calling a generic
1666      * "postwrite" hook from the remove write lock routine.
1667      */
1668     Update_Logfile (repository, saved_message, NULL, ulist);
1669 
1670     return err;
1671 }
1672 
1673 
1674 
1675 /*
1676  * Get the log message for a dir
1677  */
1678 /* ARGSUSED */
1679 static Dtype
commit_direntproc(void * callerdat,const char * dir,const char * repos,const char * update_dir,List * entries)1680 commit_direntproc (void *callerdat, const char *dir, const char *repos,
1681                    const char *update_dir, List *entries)
1682 {
1683     Node *p;
1684     List *ulist;
1685     char *real_repos;
1686 
1687     if (!isdir (dir))
1688           return R_SKIP_ALL;
1689 
1690     /* find the update list for this dir */
1691     p = findnode (mulist, update_dir);
1692     if (p != NULL)
1693           ulist = ((struct master_lists *) p->data)->ulist;
1694     else
1695           ulist = NULL;
1696 
1697     /* skip the files as an optimization */
1698     if (ulist == NULL || ulist->list->next == ulist->list)
1699           return R_SKIP_FILES;
1700 
1701     /* get commit message */
1702     got_message = 1;
1703     real_repos = Name_Repository (dir, update_dir);
1704     if (!server_active && use_editor)
1705           do_editor (update_dir, &saved_message, real_repos, ulist);
1706     do_verify (&saved_message, real_repos, ulist);
1707     free (real_repos);
1708     return R_PROCESS;
1709 }
1710 
1711 
1712 
1713 /*
1714  * Process the post-commit proc if necessary
1715  */
1716 /* ARGSUSED */
1717 static int
commit_dirleaveproc(void * callerdat,const char * dir,int err,const char * update_dir,List * entries)1718 commit_dirleaveproc (void *callerdat, const char *dir, int err,
1719                      const char *update_dir, List *entries)
1720 {
1721     /* update the per-directory tag info */
1722     /* FIXME?  Why?  The "commit examples" node of cvs.texinfo briefly
1723        mentions commit -r being sticky, but apparently in the context of
1724        this being a confusing feature!  */
1725     if (err == 0 && write_dirtag != NULL)
1726     {
1727           char *repos = Name_Repository (NULL, update_dir);
1728           WriteTag (NULL, write_dirtag, NULL, write_dirnonbranch,
1729                       update_dir, repos);
1730           free (repos);
1731     }
1732 
1733     return err;
1734 }
1735 
1736 
1737 
1738 /*
1739  * find the maximum major rev number in an entries file
1740  */
1741 static int
findmaxrev(Node * p,void * closure)1742 findmaxrev (Node *p, void *closure)
1743 {
1744     int thisrev;
1745     Entnode *entdata = p->data;
1746 
1747     if (entdata->type != ENT_FILE)
1748           return 0;
1749     thisrev = atoi (entdata->version);
1750     if (thisrev > maxrev)
1751           maxrev = thisrev;
1752     return 0;
1753 }
1754 
1755 /*
1756  * Actually remove a file by moving it to the attic
1757  * XXX - if removing a ,v file that is a relative symbolic link to
1758  * another ,v file, we probably should add a ".." component to the
1759  * link to keep it relative after we move it into the attic.
1760 
1761    Return value is 0 on success, or >0 on error (in which case we have
1762    printed an error message).  */
1763 static int
remove_file(struct file_info * finfo,char * tag,char * message)1764 remove_file (struct file_info *finfo, char *tag, char *message)
1765 {
1766     int retcode;
1767 
1768     int branch;
1769     int lockflag;
1770     char *corev;
1771     char *rev;
1772     char *prev_rev;
1773     char *old_path;
1774 
1775     corev = NULL;
1776     rev = NULL;
1777     prev_rev = NULL;
1778 
1779     retcode = 0;
1780 
1781     if (finfo->rcs == NULL)
1782           error (1, 0, "internal error: no parsed RCS file");
1783 
1784     branch = 0;
1785     if (tag && !(branch = RCS_nodeisbranch (finfo->rcs, tag)))
1786     {
1787           /* a symbolic tag is specified; just remove the tag from the file */
1788           if ((retcode = RCS_deltag (finfo->rcs, tag)) != 0)
1789           {
1790               if (!quiet)
1791                     error (0, retcode == -1 ? errno : 0,
1792                            "failed to remove tag `%s' from `%s'", tag,
1793                            finfo->fullname);
1794               return 1;
1795           }
1796           RCS_rewrite (finfo->rcs, NULL, NULL);
1797           Scratch_Entry (finfo->entries, finfo->file);
1798           return 0;
1799     }
1800 
1801     /* we are removing the file from either the head or a branch */
1802     /* commit a new, dead revision. */
1803 
1804     rev = NULL;
1805     lockflag = 1;
1806     if (branch)
1807     {
1808           char *branchname;
1809 
1810           rev = RCS_whatbranch (finfo->rcs, tag);
1811           if (rev == NULL)
1812           {
1813               error (0, 0, "cannot find branch \"%s\".", tag);
1814               return 1;
1815           }
1816 
1817           branchname = RCS_getbranch (finfo->rcs, rev, 1);
1818           if (branchname == NULL)
1819           {
1820               /* no revision exists on this branch.  use the previous
1821                  revision but do not lock. */
1822               corev = RCS_gettag (finfo->rcs, tag, 1, NULL);
1823               prev_rev = xstrdup (corev);
1824               lockflag = 0;
1825           } else
1826           {
1827               corev = xstrdup (rev);
1828               prev_rev = xstrdup (branchname);
1829               free (branchname);
1830           }
1831 
1832     } else  /* Not a branch */
1833     {
1834         /* Get current head revision of file. */
1835           prev_rev = RCS_head (finfo->rcs);
1836     }
1837 
1838     /* if removing without a tag or a branch, then make sure the default
1839        branch is the trunk. */
1840     if (!tag && !branch)
1841     {
1842         if (RCS_setbranch (finfo->rcs, NULL) != 0)
1843           {
1844               error (0, 0, "cannot change branch to default for %s",
1845                        finfo->fullname);
1846               return 1;
1847           }
1848           RCS_rewrite (finfo->rcs, NULL, NULL);
1849     }
1850 
1851     /* check something out.  Generally this is the head.  If we have a
1852        particular rev, then name it.  */
1853     retcode = RCS_checkout (finfo->rcs, finfo->file, rev ? corev : NULL,
1854                                   NULL, NULL, RUN_TTY, NULL, NULL);
1855     if (retcode != 0)
1856     {
1857           error (0, 0,
1858                  "failed to check out `%s'", finfo->fullname);
1859           return 1;
1860     }
1861 
1862     /* Except when we are creating a branch, lock the revision so that
1863        we can check in the new revision.  */
1864     if (lockflag)
1865     {
1866           if (RCS_lock (finfo->rcs, rev ? corev : NULL, 1) == 0)
1867               RCS_rewrite (finfo->rcs, NULL, NULL);
1868     }
1869 
1870     if (corev != NULL)
1871           free (corev);
1872 
1873     retcode = RCS_checkin (finfo->rcs, NULL, finfo->file, message,
1874                                  rev, 0, RCS_FLAGS_DEAD | RCS_FLAGS_QUIET);
1875     if (retcode     != 0)
1876     {
1877           if (!quiet)
1878               error (0, retcode == -1 ? errno : 0,
1879                        "failed to commit dead revision for `%s'", finfo->fullname);
1880           return 1;
1881     }
1882     /* At this point, the file has been committed as removed.  We should
1883        probably tell the history file about it  */
1884     history_write ('R', NULL, finfo->rcs->head, finfo->file, finfo->repository);
1885 
1886     if (rev != NULL)
1887           free (rev);
1888 
1889     old_path = xstrdup (finfo->rcs->path);
1890     if (!branch)
1891           RCS_setattic (finfo->rcs, 1);
1892 
1893     /* Print message that file was removed. */
1894     if (!really_quiet)
1895     {
1896           cvs_output (old_path, 0);
1897           cvs_output ("  <--  ", 0);
1898           if (finfo->update_dir && strlen (finfo->update_dir))
1899           {
1900               cvs_output (finfo->update_dir, 0);
1901               cvs_output ("/", 1);
1902           }
1903           cvs_output (finfo->file, 0);
1904           cvs_output ("\nnew revision: delete; previous revision: ", 0);
1905           cvs_output (prev_rev, 0);
1906           cvs_output ("\n", 0);
1907     }
1908 
1909     free (prev_rev);
1910 
1911     free (old_path);
1912 
1913     Scratch_Entry (finfo->entries, finfo->file);
1914     return 0;
1915 }
1916 
1917 
1918 
1919 /*
1920  * Do the actual checkin for added files
1921  */
1922 static int
finaladd(struct file_info * finfo,char * rev,char * tag,char * options)1923 finaladd (struct file_info *finfo, char *rev, char *tag, char *options)
1924 {
1925     int ret;
1926 
1927     ret = Checkin ('A', finfo, rev, tag, options, saved_message);
1928     if (ret == 0)
1929     {
1930           char *tmp = Xasprintf ("%s/%s%s", CVSADM, finfo->file, CVSEXT_LOG);
1931           if (unlink_file (tmp) < 0
1932               && !existence_error (errno))
1933               error (0, errno, "cannot remove %s", tmp);
1934           free (tmp);
1935     }
1936     else if (finfo->rcs != NULL)
1937           fixaddfile (finfo->rcs->path);
1938 
1939     (void) time (&last_register_time);
1940 
1941     return ret;
1942 }
1943 
1944 
1945 
1946 /*
1947  * Unlock an rcs file
1948  */
1949 static void
unlockrcs(RCSNode * rcs)1950 unlockrcs (RCSNode *rcs)
1951 {
1952     int retcode;
1953 
1954     if ((retcode = RCS_unlock (rcs, NULL, 1)) != 0)
1955           error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
1956                  "could not unlock %s", rcs->path);
1957     else
1958           RCS_rewrite (rcs, NULL, NULL);
1959 }
1960 
1961 
1962 
1963 /*
1964  * remove a partially added file.  if we can parse it, leave it alone.
1965  *
1966  * FIXME: Every caller that calls this function can access finfo->rcs (the
1967  * parsed RCSNode data), so we should be able to detect that the file needs
1968  * to be removed without reparsing the file as we do below.
1969  */
1970 static void
fixaddfile(const char * rcs)1971 fixaddfile (const char *rcs)
1972 {
1973     RCSNode *rcsfile;
1974     int save_really_quiet;
1975 
1976     save_really_quiet = really_quiet;
1977     really_quiet = 1;
1978     if ((rcsfile = RCS_parsercsfile (rcs)) == NULL)
1979     {
1980           if (unlink_file (rcs) < 0)
1981               error (0, errno, "cannot remove %s", rcs);
1982     }
1983     else
1984           freercsnode (&rcsfile);
1985     really_quiet = save_really_quiet;
1986 }
1987 
1988 
1989 
1990 /*
1991  * put the branch back on an rcs file
1992  */
1993 static void
fixbranch(RCSNode * rcs,char * branch)1994 fixbranch (RCSNode *rcs, char *branch)
1995 {
1996     int retcode;
1997 
1998     if (branch != NULL)
1999     {
2000           if ((retcode = RCS_setbranch (rcs, branch)) != 0)
2001               error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
2002                        "cannot restore branch to %s for %s", branch, rcs->path);
2003           RCS_rewrite (rcs, NULL, NULL);
2004     }
2005 }
2006 
2007 
2008 
2009 /*
2010  * do the initial part of a file add for the named file.  if adding
2011  * with a tag, put the file in the Attic and point the symbolic tag
2012  * at the committed revision.
2013  *
2014  * INPUTS
2015  *   file The name of the file in the workspace.
2016  *   repository     The repository directory to expect to find FILE,v in.
2017  *   tag  The name or rev num of the branch being added to, if any.
2018  *   options        Any RCS keyword expansion options specified by the user.
2019  *   rcsnode        A pointer to the pre-parsed RCSNode for this file, if the file
2020  *                  exists in the repository.  If this is NULL, assume the file
2021  *                  does not yet exist.
2022  *
2023  * RETURNS
2024  *   0 on success.
2025  *   1 on errors, after printing any appropriate error messages.
2026  *
2027  * ERRORS
2028  *   This function will return an error when any of the following functions do:
2029  *     add_rcs_file
2030  *     RCS_setattic
2031  *     lock_RCS
2032  *     RCS_checkin
2033  *     RCS_parse (called to verify the newly created archive file)
2034  *     RCS_settag
2035  */
2036 
2037 static int
checkaddfile(const char * file,const char * repository,const char * tag,const char * options,RCSNode ** rcsnode)2038 checkaddfile (const char *file, const char *repository, const char *tag,
2039               const char *options, RCSNode **rcsnode)
2040 {
2041     RCSNode *rcs;
2042     char *fname;
2043     int newfile = 0;                    /* Set to 1 if we created a new RCS archive. */
2044     int retval = 1;
2045     int adding_on_branch;
2046 
2047     assert (rcsnode != NULL);
2048 
2049     /* Callers expect to be able to use either "" or NULL to mean the
2050        default keyword expansion.  */
2051     if (options != NULL && options[0] == '\0')
2052           options = NULL;
2053     if (options != NULL)
2054           assert (options[0] == '-' && options[1] == 'k');
2055 
2056     /* If numeric, it is on the trunk; check_fileproc enforced
2057        this.  */
2058     adding_on_branch = tag != NULL && !isdigit ((unsigned char) tag[0]);
2059 
2060     if (*rcsnode == NULL)
2061     {
2062           char *rcsname;
2063           char *desc = NULL;
2064           size_t descalloc = 0;
2065           size_t desclen = 0;
2066           const char *opt;
2067 
2068           if (adding_on_branch)
2069           {
2070               mode_t omask;
2071               rcsname = xmalloc (strlen (repository)
2072                                      + sizeof (CVSATTIC)
2073                                      + strlen (file)
2074                                      + sizeof (RCSEXT)
2075                                      + 3);
2076               (void) sprintf (rcsname, "%s/%s", repository, CVSATTIC);
2077               omask = umask (cvsumask);
2078               if (CVS_MKDIR (rcsname, 0777) != 0 && errno != EEXIST)
2079                     error (1, errno, "cannot make directory `%s'", rcsname);
2080               (void) umask (omask);
2081               (void) sprintf (rcsname,
2082                                   "%s/%s/%s%s",
2083                                   repository,
2084                                   CVSATTIC,
2085                                   file,
2086                                   RCSEXT);
2087           }
2088           else
2089               rcsname = Xasprintf ("%s/%s%s", repository, file, RCSEXT);
2090 
2091           /* this is the first time we have ever seen this file; create
2092              an RCS file.  */
2093           fname = Xasprintf ("%s/%s%s", CVSADM, file, CVSEXT_LOG);
2094           /* If the file does not exist, no big deal.  In particular, the
2095              server does not (yet at least) create CVSEXT_LOG files.  */
2096           if (isfile (fname))
2097               /* FIXME: Should be including update_dir in the appropriate
2098                  place here.  */
2099               get_file (fname, fname, "r", &desc, &descalloc, &desclen);
2100           free (fname);
2101 
2102           /* From reading the RCS 5.7 source, "rcs -i" adds a newline to the
2103              end of the log message if the message is nonempty.
2104              Do it.  RCS also deletes certain whitespace, in cleanlogmsg,
2105              which we don't try to do here.  */
2106           if (desclen > 0)
2107           {
2108               expand_string (&desc, &descalloc, desclen + 1);
2109               desc[desclen++] = '\012';
2110           }
2111 
2112           /* Set RCS keyword expansion options.  */
2113           if (options != NULL)
2114               opt = options + 2;
2115           else
2116               opt = NULL;
2117 
2118           if (add_rcs_file (NULL, rcsname, file, NULL, opt,
2119                                 NULL, NULL, 0, NULL,
2120                                 desc, desclen, NULL, 0) != 0)
2121           {
2122               if (rcsname != NULL)
2123                   free (rcsname);
2124               goto out;
2125           }
2126           rcs = RCS_parsercsfile (rcsname);
2127           newfile = 1;
2128           if (rcsname != NULL)
2129               free (rcsname);
2130           if (desc != NULL)
2131               free (desc);
2132           *rcsnode = rcs;
2133     }
2134     else
2135     {
2136           /* file has existed in the past.  Prepare to resurrect. */
2137           char *rev;
2138           char *oldexpand;
2139 
2140           rcs = *rcsnode;
2141 
2142           oldexpand = RCS_getexpand (rcs);
2143           if ((oldexpand != NULL
2144                && options != NULL
2145                && strcmp (options + 2, oldexpand) != 0)
2146               || (oldexpand == NULL && options != NULL))
2147           {
2148               /* We tell the user about this, because it means that the
2149                  old revisions will no longer retrieve the way that they
2150                  used to.  */
2151               error (0, 0, "changing keyword expansion mode to %s", options);
2152               RCS_setexpand (rcs, options + 2);
2153           }
2154 
2155           if (!adding_on_branch)
2156           {
2157               /* We are adding on the trunk, so move the file out of the
2158                  Attic.  */
2159               if (!(rcs->flags & INATTIC))
2160               {
2161                     error (0, 0, "warning: expected %s to be in Attic",
2162                            rcs->path);
2163               }
2164 
2165               /* Begin a critical section around the code that spans the
2166                  first commit on the trunk of a file that's already been
2167                  committed on a branch.  */
2168               SIG_beginCrSect ();
2169 
2170               if (RCS_setattic (rcs, 0))
2171               {
2172                     goto out;
2173               }
2174           }
2175 
2176           rev = RCS_getversion (rcs, tag, NULL, 1, NULL);
2177           /* and lock it */
2178           if (lock_RCS (file, rcs, rev, repository))
2179           {
2180               error (0, 0, "cannot lock revision %s in `%s'.",
2181                        rev ? rev : tag ? tag : "HEAD", rcs->path);
2182               if (rev != NULL)
2183                     free (rev);
2184               goto out;
2185           }
2186 
2187           if (rev != NULL)
2188               free (rev);
2189     }
2190 
2191     /* when adding a file for the first time, and using a tag, we need
2192        to create a dead revision on the trunk.  */
2193     if (adding_on_branch)
2194     {
2195           if (newfile)
2196           {
2197               char *tmp;
2198               FILE *fp;
2199               int retcode;
2200 
2201               /* move the new file out of the way. */
2202               fname = Xasprintf ("%s/%s%s", CVSADM, CVSPREFIX, file);
2203               rename_file (file, fname);
2204 
2205               /* Create empty FILE.  Can't use copy_file with a DEVNULL
2206                  argument -- copy_file now ignores device files. */
2207               fp = fopen (file, "w");
2208               if (fp == NULL)
2209                     error (1, errno, "cannot open %s for writing", file);
2210               if (fclose (fp) < 0)
2211                     error (0, errno, "cannot close %s", file);
2212 
2213               tmp = Xasprintf ("file %s was initially added on branch %s.",
2214                                    file, tag);
2215               /* commit a dead revision. */
2216               retcode = RCS_checkin (rcs, NULL, NULL, tmp, NULL, 0,
2217                                            RCS_FLAGS_DEAD | RCS_FLAGS_QUIET);
2218               free (tmp);
2219               if (retcode != 0)
2220               {
2221                     error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
2222                            "could not create initial dead revision %s", rcs->path);
2223                     free (fname);
2224                     goto out;
2225               }
2226 
2227               /* put the new file back where it was */
2228               rename_file (fname, file);
2229               free (fname);
2230 
2231               /* double-check that the file was written correctly */
2232               freercsnode (&rcs);
2233               rcs = RCS_parse (file, repository);
2234               if (rcs == NULL)
2235               {
2236                     error (0, 0, "could not read %s", rcs->path);
2237                     goto out;
2238               }
2239               *rcsnode = rcs;
2240 
2241               /* and lock it once again. */
2242               if (lock_RCS (file, rcs, NULL, repository))
2243               {
2244                     error (0, 0, "cannot lock initial revision in `%s'.",
2245                            rcs->path);
2246                     goto out;
2247               }
2248           }
2249 
2250           /* when adding with a tag, we need to stub a branch, if it
2251              doesn't already exist.  */
2252           if (!RCS_nodeisbranch (rcs, tag))
2253           {
2254               /* branch does not exist.  Stub it.  */
2255               char *head;
2256               char *magicrev;
2257               int retcode;
2258               time_t headtime = -1;
2259               char *revnum, *tmp;
2260               FILE *fp;
2261               time_t t = -1;
2262               struct tm *ct;
2263 
2264               fixbranch (rcs, sbranch);
2265 
2266               head = RCS_getversion (rcs, NULL, NULL, 0, NULL);
2267               if (!head)
2268                     error (1, 0, "No head revision in archive file `%s'.",
2269                            rcs->print_path);
2270               magicrev = RCS_magicrev (rcs, head);
2271 
2272               /* If this is not a new branch, then we will want a dead
2273                  version created before this one. */
2274               if (!newfile)
2275                     headtime = RCS_getrevtime (rcs, head, 0, 0);
2276 
2277               retcode = RCS_settag (rcs, tag, magicrev);
2278               RCS_rewrite (rcs, NULL, NULL);
2279 
2280               free (head);
2281               free (magicrev);
2282 
2283               if (retcode != 0)
2284               {
2285                     error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
2286                            "could not stub branch %s for %s", tag, rcs->path);
2287                     goto out;
2288               }
2289               /* We need to add a dead version here to avoid -rtag -Dtime
2290                  checkout problems between when the head version was
2291                  created and now. */
2292               if (!newfile && headtime != -1)
2293               {
2294                     /* move the new file out of the way. */
2295                     fname = Xasprintf ("%s/%s%s", CVSADM, CVSPREFIX, file);
2296                     rename_file (file, fname);
2297 
2298                     /* Create empty FILE.  Can't use copy_file with a DEVNULL
2299                        argument -- copy_file now ignores device files. */
2300                     fp = fopen (file, "w");
2301                     if (fp == NULL)
2302                         error (1, errno, "cannot open %s for writing", file);
2303                     if (fclose (fp) < 0)
2304                         error (0, errno, "cannot close %s", file);
2305 
2306                     /* As we will be hacking the delta date, put the time
2307                        this was added into the log message. */
2308                     t = time (NULL);
2309                     ct = gmtime (&t);
2310                     tmp = Xasprintf ("file %s was added on branch %s on %d-%02d-%02d %02d:%02d:%02d +0000",
2311                                          file, tag,
2312                                          ct->tm_year + (ct->tm_year < 100 ? 0 : 1900),
2313                                          ct->tm_mon + 1, ct->tm_mday,
2314                                          ct->tm_hour, ct->tm_min, ct->tm_sec);
2315 
2316                     /* commit a dead revision. */
2317                     revnum = RCS_whatbranch (rcs, tag);
2318                     retcode = RCS_checkin (rcs, NULL, NULL, tmp, revnum, headtime,
2319                                                RCS_FLAGS_DEAD |
2320                                                RCS_FLAGS_QUIET |
2321                                                RCS_FLAGS_USETIME);
2322                     free (revnum);
2323                     free (tmp);
2324 
2325                     if (retcode != 0)
2326                     {
2327                         error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0,
2328                                  "could not created dead stub %s for %s", tag,
2329                                  rcs->path);
2330                         goto out;
2331                     }
2332 
2333                     /* put the new file back where it was */
2334                     rename_file (fname, file);
2335                     free (fname);
2336 
2337                     /* double-check that the file was written correctly */
2338                     freercsnode (&rcs);
2339                     rcs = RCS_parse (file, repository);
2340                     if (rcs == NULL)
2341                     {
2342                         error (0, 0, "could not read %s", rcs->path);
2343                         goto out;
2344                     }
2345                     *rcsnode = rcs;
2346               }
2347           }
2348           else
2349           {
2350               /* lock the branch. (stubbed branches need not be locked.)  */
2351               if (lock_RCS (file, rcs, NULL, repository))
2352               {
2353                     error (0, 0, "cannot lock head revision in `%s'.", rcs->path);
2354                     goto out;
2355               }
2356           }
2357 
2358           if (*rcsnode != rcs)
2359           {
2360               freercsnode (rcsnode);
2361               *rcsnode = rcs;
2362           }
2363     }
2364 
2365     fileattr_newfile (file);
2366 
2367     /* At this point, we used to set the file mode of the RCS file
2368        based on the mode of the file in the working directory.  If we
2369        are creating the RCS file for the first time, add_rcs_file does
2370        this already.  If we are re-adding the file, then perhaps it is
2371        consistent to preserve the old file mode, just as we preserve
2372        the old keyword expansion mode.
2373 
2374        If we decide that we should change the modes, then we can't do
2375        it here anyhow.  At this point, the RCS file may be owned by
2376        somebody else, so a chmod will fail.  We need to instead do the
2377        chmod after rewriting it.
2378 
2379        FIXME: In general, I think the file mode (and the keyword
2380        expansion mode) should be associated with a particular revision
2381        of the file, so that it is possible to have different revisions
2382        of a file have different modes.  */
2383 
2384     retval = 0;
2385 
2386  out:
2387     if (retval != 0 && SIG_inCrSect ())
2388           SIG_endCrSect ();
2389     return retval;
2390 }
2391 
2392 
2393 
2394 /*
2395  * Attempt to place a lock on the RCS file; returns 0 if it could and 1 if it
2396  * couldn't.  If the RCS file currently has a branch as the head, we must
2397  * move the head back to the trunk before locking the file, and be sure to
2398  * put the branch back as the head if there are any errors.
2399  */
2400 static int
lock_RCS(const char * user,RCSNode * rcs,const char * rev,const char * repository)2401 lock_RCS (const char *user, RCSNode *rcs, const char *rev,
2402           const char *repository)
2403 {
2404     char *branch = NULL;
2405     int err = 0;
2406 
2407     /*
2408      * For a specified, numeric revision of the form "1" or "1.1", (or when
2409      * no revision is specified ""), definitely move the branch to the trunk
2410      * before locking the RCS file.
2411      *
2412      * The assumption is that if there is more than one revision on the trunk,
2413      * the head points to the trunk, not a branch... and as such, it's not
2414      * necessary to move the head in this case.
2415      */
2416     if (rev == NULL
2417           || (rev && isdigit ((unsigned char) *rev) && numdots (rev) < 2))
2418     {
2419           branch = xstrdup (rcs->branch);
2420           if (branch != NULL)
2421           {
2422               if (RCS_setbranch (rcs, NULL) != 0)
2423               {
2424                     error (0, 0, "cannot change branch to default for %s",
2425                            rcs->path);
2426                     if (branch)
2427                         free (branch);
2428                     return 1;
2429               }
2430           }
2431           err = RCS_lock (rcs, NULL, 1);
2432     }
2433     else
2434     {
2435           RCS_lock (rcs, rev, 1);
2436     }
2437 
2438     /* We used to call RCS_rewrite here, and that might seem
2439        appropriate in order to write out the locked revision
2440        information.  However, such a call would actually serve no
2441        purpose.  CVS locks will prevent any interference from other
2442        CVS processes.  The comment above rcs_internal_lockfile
2443        explains that it is already unsafe to use RCS and CVS
2444        simultaneously.  It follows that writing out the locked
2445        revision information here would add no additional security.
2446 
2447        If we ever do care about it, the proper fix is to create the
2448        RCS lock file before calling this function, and maintain it
2449        until the checkin is complete.
2450 
2451        The call to RCS_lock is still required at present, since in
2452        some cases RCS_checkin will determine which revision to check
2453        in by looking for a lock.  FIXME: This is rather roundabout,
2454        and a more straightforward approach would probably be easier to
2455        understand.  */
2456 
2457     if (err == 0)
2458     {
2459           if (sbranch != NULL)
2460               free (sbranch);
2461           sbranch = branch;
2462           return 0;
2463     }
2464 
2465     /* try to restore the branch if we can on error */
2466     if (branch != NULL)
2467           fixbranch (rcs, branch);
2468 
2469     if (branch)
2470           free (branch);
2471     return 1;
2472 }
2473 
2474 
2475 
2476 /*
2477  * free an UPDATE node's data
2478  */
2479 void
update_delproc(Node * p)2480 update_delproc (Node *p)
2481 {
2482     struct logfile_info *li = p->data;
2483 
2484     if (li->tag)
2485           free (li->tag);
2486     if (li->rev_old)
2487           free (li->rev_old);
2488     if (li->rev_new)
2489           free (li->rev_new);
2490     free (li);
2491 }
2492 
2493 /*
2494  * Free the commit_info structure in p.
2495  */
2496 static void
ci_delproc(Node * p)2497 ci_delproc (Node *p)
2498 {
2499     struct commit_info *ci = p->data;
2500 
2501     if (ci->rev)
2502           free (ci->rev);
2503     if (ci->tag)
2504           free (ci->tag);
2505     if (ci->options)
2506           free (ci->options);
2507     free (ci);
2508 }
2509 
2510 /*
2511  * Free the commit_info structure in p.
2512  */
2513 static void
masterlist_delproc(Node * p)2514 masterlist_delproc (Node *p)
2515 {
2516     struct master_lists *ml = p->data;
2517 
2518     dellist (&ml->ulist);
2519     dellist (&ml->cilist);
2520     free (ml);
2521 }
2522