/* * Copyright (c) 1992, Brian Berliner and Jeff Polk * Copyright (c) 1989-1992, Brian Berliner * * You may distribute under the terms of the GNU General Public License as * specified in the README file that comes with the CVS source distribution. * * Commit Files * * "commit" commits the present version to the RCS repository, AFTER * having done a test on conflicts. * * The call is: cvs commit [options] files... * */ #include #include "cvs.h" #include "getline.h" #include "edit.h" #include "fileattr.h" #include "hardlink.h" static Dtype check_direntproc PROTO ((void *callerdat, char *dir, char *repos, char *update_dir, List *entries)); static int check_fileproc PROTO ((void *callerdat, struct file_info *finfo)); static int check_filesdoneproc PROTO ((void *callerdat, int err, char *repos, char *update_dir, List *entries)); static int checkaddfile PROTO((char *file, char *repository, char *tag, char *options, RCSNode **rcsnode)); static Dtype commit_direntproc PROTO ((void *callerdat, char *dir, char *repos, char *update_dir, List *entries)); static int commit_dirleaveproc PROTO ((void *callerdat, char *dir, int err, char *update_dir, List *entries)); static int commit_fileproc PROTO ((void *callerdat, struct file_info *finfo)); static int commit_filesdoneproc PROTO ((void *callerdat, int err, char *repository, char *update_dir, List *entries)); static int finaladd PROTO((struct file_info *finfo, char *revision, char *tag, char *options)); static int findmaxrev PROTO((Node * p, void *closure)); static int lock_RCS PROTO((char *user, RCSNode *rcs, char *rev, char *repository)); static int precommit_list_proc PROTO((Node * p, void *closure)); static int precommit_proc PROTO((char *repository, char *filter)); static int remove_file PROTO ((struct file_info *finfo, char *tag, char *message)); static void fix_rcs_modes PROTO((char *rcs, char *user)); static void fixaddfile PROTO((char *file, char *repository)); static void fixbranch PROTO((RCSNode *, char *branch)); static void unlockrcs PROTO((RCSNode *rcs)); static void ci_delproc PROTO((Node *p)); static void masterlist_delproc PROTO((Node *p)); static char *locate_rcs PROTO((char *file, char *repository)); struct commit_info { Ctype status; /* as returned from Classify_File() */ char *rev; /* a numeric rev, if we know it */ char *tag; /* any sticky tag, or -r option */ char *options; /* Any sticky -k option */ }; struct master_lists { List *ulist; /* list for Update_Logfile */ List *cilist; /* list with commit_info structs */ }; static int force_ci = 0; static int got_message; static int run_module_prog = 1; static int aflag; static char *tag; static char *write_dirtag; static int write_dirnonbranch; static char *logfile; static List *mulist; static char *message; static time_t last_register_time; static const char *const commit_usage[] = { "Usage: %s %s [-nRlf] [-m msg | -F logfile] [-r rev] files...\n", "\t-n\tDo not run the module program (if any).\n", "\t-R\tProcess directories recursively.\n", "\t-l\tLocal directory only (not recursive).\n", "\t-f\tForce the file to be committed; disables recursion.\n", "\t-F file\tRead the log message from file.\n", "\t-m msg\tLog message.\n", "\t-r rev\tCommit to this branch or trunk revision.\n", "(Specify the --help global option for a list of other help options)\n", NULL }; #ifdef CLIENT_SUPPORT /* Identify a file which needs "? foo" or a Questionable request. */ struct question { /* The two fields for the Directory request. */ char *dir; char *repos; /* The file name. */ char *file; struct question *next; }; struct find_data { List *ulist; int argc; char **argv; /* This is used from dirent to filesdone time, for each directory, to make a list of files we have already seen. */ List *ignlist; /* Linked list of files which need "? foo" or a Questionable request. */ struct question *questionables; /* Only good within functions called from the filesdoneproc. Stores the repository (pointer into storage managed by the recursion processor. */ char *repository; /* Non-zero if we should force the commit. This is enabled by either -f or -r options, unlike force_ci which is just -f. */ int force; }; static Dtype find_dirent_proc PROTO ((void *callerdat, char *dir, char *repository, char *update_dir, List *entries)); static Dtype find_dirent_proc (callerdat, dir, repository, update_dir, entries) void *callerdat; char *dir; char *repository; char *update_dir; List *entries; { struct find_data *find_data = (struct find_data *)callerdat; /* This check seems to slowly be creeping throughout CVS (update and send_dirent_proc by CVS 1.5, diff in 31 Oct 1995. My guess is that it (or some variant thereof) should go in all the dirent procs. Unless someone has some better idea... */ if (!isdir (dir)) return (R_SKIP_ALL); /* initialize the ignore list for this directory */ find_data->ignlist = getlist (); /* Print the same warm fuzzy as in check_direntproc, since that code will never be run during client/server operation and we want the messages to match. */ if (!quiet) error (0, 0, "Examining %s", update_dir); return R_PROCESS; } /* Here as a static until we get around to fixing ignore_files to pass it along as an argument. */ static struct find_data *find_data_static; static void find_ignproc PROTO ((char *, char *)); static void find_ignproc (file, dir) char *file; char *dir; { struct question *p; p = (struct question *) xmalloc (sizeof (struct question)); p->dir = xstrdup (dir); p->repos = xstrdup (find_data_static->repository); p->file = xstrdup (file); p->next = find_data_static->questionables; find_data_static->questionables = p; } static int find_filesdoneproc PROTO ((void *callerdat, int err, char *repository, char *update_dir, List *entries)); static int find_filesdoneproc (callerdat, err, repository, update_dir, entries) void *callerdat; int err; char *repository; char *update_dir; List *entries; { struct find_data *find_data = (struct find_data *)callerdat; find_data->repository = repository; /* if this directory has an ignore list, process it then free it */ if (find_data->ignlist) { find_data_static = find_data; ignore_files (find_data->ignlist, entries, update_dir, find_ignproc); dellist (&find_data->ignlist); } find_data->repository = NULL; return err; } static int find_fileproc PROTO ((void *callerdat, struct file_info *finfo)); /* Machinery to find out what is modified, added, and removed. It is possible this should be broken out into a new client_classify function; merging it with classify_file is almost sure to be a mess, though, because classify_file has all kinds of repository processing. */ static int find_fileproc (callerdat, finfo) void *callerdat; struct file_info *finfo; { Vers_TS *vers; enum classify_type status; Node *node; struct find_data *args = (struct find_data *)callerdat; struct logfile_info *data; struct file_info xfinfo; /* if this directory has an ignore list, add this file to it */ if (args->ignlist) { Node *p; p = getnode (); p->type = FILES; p->key = xstrdup (finfo->file); if (addnode (args->ignlist, p) != 0) freenode (p); } xfinfo = *finfo; xfinfo.repository = NULL; xfinfo.rcs = NULL; vers = Version_TS (&xfinfo, NULL, tag, NULL, 0, 0); if (vers->ts_user == NULL && vers->vn_user != NULL && vers->vn_user[0] == '-') /* FIXME: If vn_user is starts with "-" but ts_user is non-NULL, what classify_file does is print "%s should be removed and is still there". I'm not sure what it does then. We probably should do the same. */ status = T_REMOVED; else if (vers->vn_user == NULL) { if (vers->ts_user == NULL) error (0, 0, "nothing known about `%s'", finfo->fullname); else error (0, 0, "use `%s add' to create an entry for %s", program_name, finfo->fullname); return 1; } else if (vers->ts_user != NULL && vers->vn_user != NULL && vers->vn_user[0] == '0') /* FIXME: If vn_user is "0" but ts_user is NULL, what classify_file does is print "new-born %s has disappeared" and removes the entry. We probably should do the same. */ status = T_ADDED; else if (vers->ts_user != NULL && vers->ts_rcs != NULL && (args->force || strcmp (vers->ts_user, vers->ts_rcs) != 0)) /* If we are forcing commits, pretend that the file is modified. */ status = T_MODIFIED; else { /* This covers unmodified files, as well as a variety of other cases. FIXME: we probably should be printing a message and returning 1 for many of those cases (but I'm not sure exactly which ones). */ return 0; } node = getnode (); node->key = xstrdup (finfo->fullname); data = (struct logfile_info *) xmalloc (sizeof (struct logfile_info)); data->type = status; data->tag = xstrdup (vers->tag); data->rev_old = data->rev_new = NULL; node->type = UPDATE; node->delproc = update_delproc; node->data = (char *) data; (void)addnode (args->ulist, node); ++args->argc; freevers_ts (&vers); return 0; } static int copy_ulist PROTO ((Node *, void *)); static int copy_ulist (node, data) Node *node; void *data; { struct find_data *args = (struct find_data *)data; args->argv[args->argc++] = node->key; return 0; } #endif /* CLIENT_SUPPORT */ int commit (argc, argv) int argc; char **argv; { int c; int err = 0; int local = 0; if (argc == -1) usage (commit_usage); #ifdef CVS_BADROOT /* * For log purposes, do not allow "root" to commit files. If you look * like root, but are really logged in as a non-root user, it's OK. */ /* FIXME: Shouldn't this check be much more closely related to the readonly user stuff (CVSROOT/readers, &c). That is, why should root be able to "cvs init", "cvs import", &c, but not "cvs ci"? */ if (geteuid () == (uid_t) 0) { struct passwd *pw; if ((pw = (struct passwd *) getpwnam (getcaller ())) == NULL) error (1, 0, "you are unknown to this system"); if (pw->pw_uid == (uid_t) 0) error (1, 0, "cannot commit files as 'root'"); } #endif /* CVS_BADROOT */ optind = 0; while ((c = getopt (argc, argv, "+nlRm:fF:r:")) != -1) { switch (c) { case 'n': run_module_prog = 0; break; case 'm': #ifdef FORCE_USE_EDITOR use_editor = 1; #else use_editor = 0; #endif if (message) { free (message); message = NULL; } message = xstrdup(optarg); break; case 'r': if (tag) free (tag); tag = xstrdup (optarg); break; case 'l': local = 1; break; case 'R': local = 0; break; case 'f': force_ci = 1; local = 1; /* also disable recursion */ break; case 'F': #ifdef FORCE_USE_EDITOR use_editor = 1; #else use_editor = 0; #endif logfile = optarg; break; case '?': default: usage (commit_usage); break; } } argc -= optind; argv += optind; /* numeric specified revision means we ignore sticky tags... */ if (tag && isdigit (*tag)) { aflag = 1; /* strip trailing dots */ while (tag[strlen (tag) - 1] == '.') tag[strlen (tag) - 1] = '\0'; } /* some checks related to the "-F logfile" option */ if (logfile) { int n, logfd; struct stat statbuf; if (message) error (1, 0, "cannot specify both a message and a log file"); /* FIXME: Why is this binary? Needs more investigation. */ if ((logfd = CVS_OPEN (logfile, O_RDONLY | OPEN_BINARY)) < 0) error (1, errno, "cannot open log file %s", logfile); if (fstat(logfd, &statbuf) < 0) error (1, errno, "cannot find size of log file %s", logfile); message = xmalloc (statbuf.st_size + 1); /* FIXME: Should keep reading until EOF, rather than assuming the first read gets the whole thing. */ if ((n = read (logfd, message, statbuf.st_size + 1)) < 0) error (1, errno, "cannot read log message from %s", logfile); (void) close (logfd); message[n] = '\0'; } #ifdef CLIENT_SUPPORT if (client_active) { int err; struct find_data find_args; ign_setup (); find_args.ulist = getlist (); find_args.argc = 0; find_args.questionables = NULL; find_args.ignlist = NULL; find_args.repository = NULL; /* It is possible that only a numeric tag should set this. I haven't really thought about it much. Anyway, I suspect that setting it unnecessarily only causes a little unneeded network traffic. */ find_args.force = force_ci || tag != NULL; err = start_recursion (find_fileproc, find_filesdoneproc, find_dirent_proc, (DIRLEAVEPROC) NULL, (void *)&find_args, argc, argv, local, W_LOCAL, 0, 0, (char *)NULL, 0); if (err) error (1, 0, "correct above errors first!"); if (find_args.argc == 0) /* Nothing to commit. Exit now without contacting the server (note that this means that we won't print "? foo" for files which merit it, because we don't know what is in the CVSROOT/cvsignore file). */ return 0; /* Now we keep track of which files we actually are going to operate on, and only work with those files in the future. This saves time--we don't want to search the file system of the working directory twice. */ find_args.argv = (char **) xmalloc (find_args.argc * sizeof (char **)); find_args.argc = 0; walklist (find_args.ulist, copy_ulist, &find_args); /* Do this before calling do_editor; don't ask for a log message if we can't talk to the server. But do it after we have made the checks that we can locally (to more quickly catch syntax errors, the case where no files are modified, added or removed, etc.). On the other hand, calling start_server before do_editor means that we chew up server resources the whole time that the user has the editor open (hours or days if the user forgets about it), which seems dubious. */ start_server (); /* * We do this once, not once for each directory as in normal CVS. * The protocol is designed this way. This is a feature. */ if (use_editor) do_editor (".", &message, (char *)NULL, find_args.ulist); /* Run the user-defined script to verify/check information in *the log message */ do_verify (&message, (char *)NULL); /* We always send some sort of message, even if empty. */ /* FIXME: is that true? There seems to be some code in do_editor which can leave the message NULL. */ option_with_arg ("-m", message); /* OK, now process all the questionable files we have been saving up. */ { struct question *p; struct question *q; p = find_args.questionables; while (p != NULL) { if (ign_inhibit_server || !supported_request ("Questionable")) { cvs_output ("? ", 2); if (p->dir[0] != '\0') { cvs_output (p->dir, 0); cvs_output ("/", 1); } cvs_output (p->file, 0); cvs_output ("\n", 1); } else { send_to_server ("Directory ", 0); send_to_server (p->dir[0] == '\0' ? "." : p->dir, 0); send_to_server ("\012", 1); send_to_server (p->repos, 0); send_to_server ("\012", 1); send_to_server ("Questionable ", 0); send_to_server (p->file, 0); send_to_server ("\012", 1); } free (p->dir); free (p->repos); free (p->file); q = p->next; free (p); p = q; } } if (local) send_arg("-l"); if (force_ci) send_arg("-f"); if (!run_module_prog) send_arg("-n"); option_with_arg ("-r", tag); /* Sending only the names of the files which were modified, added, or removed means that the server will only do an up-to-date check on those files. This is different from local CVS and previous versions of client/server CVS, but it probably is a Good Thing, or at least Not Such A Bad Thing. */ send_file_names (find_args.argc, find_args.argv, 0); /* FIXME: This whole find_args.force/SEND_FORCE business is a kludge. It would seem to be a server bug that we have to say that files are modified when they are not. This makes "cvs commit -r 2" across a whole bunch of files a very slow operation (and it isn't documented in cvsclient.texi). I haven't looked at the server code carefully enough to be _sure_ why this is needed, but if it is because the "ci" program, which we used to call, wanted the file to exist, then it would be relatively simple to fix in the server. */ send_files (find_args.argc, find_args.argv, local, 0, find_args.force ? SEND_FORCE : 0); send_to_server ("ci\012", 0); err = get_responses_and_close (); if (err != 0 && use_editor && message != NULL) { /* If there was an error, don't nuke the user's carefully constructed prose. This is something of a kludge; a better solution is probably more along the lines of #150 in TODO (doing a second up-to-date check before accepting the log message has also been suggested, but that seems kind of iffy because the real up-to-date check could still fail, another error could occur, &c. Also, a second check would slow things down). */ char *fname; FILE *fp; fname = cvs_temp_name (); fp = CVS_FOPEN (fname, "w+"); if (fp == NULL) error (1, 0, "cannot create temporary file %s", fname); if (fwrite (message, 1, strlen (message), fp) != strlen (message)) error (1, errno, "cannot write temporary file %s", fname); if (fclose (fp) < 0) error (0, errno, "cannot close temporary file %s", fname); error (0, 0, "saving log message in %s", fname); } return err; } #endif if (tag != NULL) tag_check_valid (tag, argc, argv, local, aflag, ""); /* XXX - this is not the perfect check for this */ if (argc <= 0) write_dirtag = tag; wrap_setup (); lock_tree_for_write (argc, argv, local, aflag); /* * Set up the master update list and hard link list */ mulist = getlist (); #ifdef PRESERVE_PERMISSIONS_SUPPORT if (preserve_perms) { hardlist = getlist (); /* * We need to save the working directory so that * check_fileproc can construct a full pathname for each file. */ working_dir = xgetwd(); } #endif /* * Run the recursion processor to verify the files are all up-to-date */ err = start_recursion (check_fileproc, check_filesdoneproc, check_direntproc, (DIRLEAVEPROC) NULL, NULL, argc, argv, local, W_LOCAL, aflag, 0, (char *) NULL, 1); if (err) { Lock_Cleanup (); error (1, 0, "correct above errors first!"); } #ifdef PRESERVE_PERMISSIONS_SUPPORT if (preserve_perms) { /* hardlist now includes a complete index of the files to be committed, indexed by inode. For each inode, compile a list of the files that are linked to it, and save this list in each file's hardlink_info node. */ (void) walklist (hardlist, cache_hardlinks_proc, NULL); } #endif /* * Run the recursion processor to commit the files */ write_dirnonbranch = 0; if (noexec == 0) err = start_recursion (commit_fileproc, commit_filesdoneproc, commit_direntproc, commit_dirleaveproc, NULL, argc, argv, local, W_LOCAL, aflag, 0, (char *) NULL, 1); /* * Unlock all the dirs and clean up */ Lock_Cleanup (); dellist (&mulist); if (last_register_time) { time_t now; (void) time (&now); if (now == last_register_time) { sleep (1); /* to avoid time-stamp races */ } } return (err); } /* This routine determines the status of a given file and retrieves the version information that is associated with that file. */ static Ctype classify_file_internal (finfo, vers) struct file_info *finfo; Vers_TS **vers; { int save_noexec, save_quiet, save_really_quiet; Ctype status; /* FIXME: Do we need to save quiet as well as really_quiet? Last time I glanced at Classify_File I only saw it looking at really_quiet not quiet. */ save_noexec = noexec; save_quiet = quiet; save_really_quiet = really_quiet; noexec = quiet = really_quiet = 1; /* handle specified numeric revision specially */ if (tag && isdigit (*tag)) { /* If the tag is for the trunk, make sure we're at the head */ if (numdots (tag) < 2) { status = Classify_File (finfo, (char *) NULL, (char *) NULL, (char *) NULL, 1, aflag, vers, 0); if (status == T_UPTODATE || status == T_MODIFIED || status == T_ADDED) { Ctype xstatus; freevers_ts (vers); xstatus = Classify_File (finfo, tag, (char *) NULL, (char *) NULL, 1, aflag, vers, 0); if (xstatus == T_REMOVE_ENTRY) status = T_MODIFIED; else if (status == T_MODIFIED && xstatus == T_CONFLICT) status = T_MODIFIED; else status = xstatus; } } else { char *xtag, *cp; /* * The revision is off the main trunk; make sure we're * up-to-date with the head of the specified branch. */ xtag = xstrdup (tag); if ((numdots (xtag) & 1) != 0) { cp = strrchr (xtag, '.'); *cp = '\0'; } status = Classify_File (finfo, xtag, (char *) NULL, (char *) NULL, 1, aflag, vers, 0); if ((status == T_REMOVE_ENTRY || status == T_CONFLICT) && (cp = strrchr (xtag, '.')) != NULL) { /* pluck one more dot off the revision */ *cp = '\0'; freevers_ts (vers); status = Classify_File (finfo, xtag, (char *) NULL, (char *) NULL, 1, aflag, vers, 0); if (status == T_UPTODATE || status == T_REMOVE_ENTRY) status = T_MODIFIED; } /* now, muck with vers to make the tag correct */ free ((*vers)->tag); (*vers)->tag = xstrdup (tag); free (xtag); } } else status = Classify_File (finfo, tag, (char *) NULL, (char *) NULL, 1, 0, vers, 0); noexec = save_noexec; quiet = save_quiet; really_quiet = save_really_quiet; return status; } /* * Check to see if a file is ok to commit and make sure all files are * up-to-date */ /* ARGSUSED */ static int check_fileproc (callerdat, finfo) void *callerdat; struct file_info *finfo; { Ctype status; char *xdir; Node *p; List *ulist, *cilist; Vers_TS *vers; struct commit_info *ci; struct logfile_info *li; status = classify_file_internal (finfo, &vers); /* * If the force-commit option is enabled, and the file in question * appears to be up-to-date, just make it look modified so that * it will be committed. */ if (force_ci && status == T_UPTODATE) status = T_MODIFIED; switch (status) { case T_CHECKOUT: #ifdef SERVER_SUPPORT case T_PATCH: #endif case T_NEEDS_MERGE: case T_CONFLICT: case T_REMOVE_ENTRY: error (0, 0, "Up-to-date check failed for `%s'", finfo->fullname); freevers_ts (&vers); return (1); case T_MODIFIED: case T_ADDED: case T_REMOVED: /* * some quick sanity checks; if no numeric -r option specified: * - can't have a sticky date * - can't have a sticky tag that is not a branch * Also, * - if status is T_REMOVED, can't have a numeric tag * - if status is T_ADDED, rcs file must not exist unless on * a branch * - if status is T_ADDED, can't have a non-trunk numeric rev * - if status is T_MODIFIED and a Conflict marker exists, don't * allow the commit if timestamp is identical or if we find * an RCS_MERGE_PAT in the file. */ if (!tag || !isdigit (*tag)) { if (vers->date) { error (0, 0, "cannot commit with sticky date for file `%s'", finfo->fullname); freevers_ts (&vers); return (1); } if (status == T_MODIFIED && vers->tag && !RCS_isbranch (finfo->rcs, vers->tag)) { error (0, 0, "sticky tag `%s' for file `%s' is not a branch", vers->tag, finfo->fullname); freevers_ts (&vers); return (1); } } if (status == T_MODIFIED && !force_ci && vers->ts_conflict) { char *filestamp; int retcode; /* * We found a "conflict" marker. * * If the timestamp on the file is the same as the * timestamp stored in the Entries file, we block the commit. */ #ifdef SERVER_SUPPORT if (server_active) retcode = vers->ts_conflict[0] != '='; else { filestamp = time_stamp (finfo->file); retcode = strcmp (vers->ts_conflict, filestamp); free (filestamp); } #else filestamp = time_stamp (finfo->file); retcode = strcmp (vers->ts_conflict, filestamp); free (filestamp); #endif if (retcode == 0) { error (0, 0, "file `%s' had a conflict and has not been modified", finfo->fullname); freevers_ts (&vers); return (1); } if (file_has_markers (finfo)) { /* Make this a warning, not an error, because we have no way of knowing whether the "conflict indicators" are really from a conflict or whether they are part of the document itself (cvs.texinfo and sanity.sh in CVS itself, for example, tend to want to have strings like ">>>>>>>" at the start of a line). Making people kludge this the way they need to kludge keyword expansion seems undesirable. And it is worse than keyword expansion, because there is no -ko analogue. */ error (0, 0, "\ warning: file `%s' seems to still contain conflict indicators", finfo->fullname); } } if (status == T_REMOVED && vers->tag && isdigit (*vers->tag)) { /* Remove also tries to forbid this, but we should check here. I'm only _sure_ about somewhat obscure cases (hacking the Entries file, using an old version of CVS for the remove and a new one for the commit), but there might be other cases. */ error (0, 0, "cannot remove file `%s' which has a numeric sticky tag of `%s'", finfo->fullname, vers->tag); freevers_ts (&vers); return (1); } if (status == T_ADDED) { if (vers->tag == NULL) { char *rcs; rcs = xmalloc (strlen (finfo->repository) + strlen (finfo->file) + sizeof RCSEXT + 5); /* Don't look in the attic; if it exists there we will move it back out in checkaddfile. */ sprintf(rcs, "%s/%s%s", finfo->repository, finfo->file, RCSEXT); if (isreadable (rcs)) { error (0, 0, "cannot add file `%s' when RCS file `%s' already exists", finfo->fullname, rcs); freevers_ts (&vers); free (rcs); return (1); } free (rcs); } if (vers->tag && isdigit (*vers->tag) && numdots (vers->tag) > 1) { error (0, 0, "cannot add file `%s' with revision `%s'; must be on trunk", finfo->fullname, vers->tag); freevers_ts (&vers); return (1); } } /* done with consistency checks; now, to get on with the commit */ if (finfo->update_dir[0] == '\0') xdir = "."; else xdir = finfo->update_dir; if ((p = findnode (mulist, xdir)) != NULL) { ulist = ((struct master_lists *) p->data)->ulist; cilist = ((struct master_lists *) p->data)->cilist; } else { struct master_lists *ml; ulist = getlist (); cilist = getlist (); p = getnode (); p->key = xstrdup (xdir); p->type = UPDATE; ml = (struct master_lists *) xmalloc (sizeof (struct master_lists)); ml->ulist = ulist; ml->cilist = cilist; p->data = (char *) ml; p->delproc = masterlist_delproc; (void) addnode (mulist, p); } /* first do ulist, then cilist */ p = getnode (); p->key = xstrdup (finfo->file); p->type = UPDATE; p->delproc = update_delproc; li = ((struct logfile_info *) xmalloc (sizeof (struct logfile_info))); li->type = status; li->tag = xstrdup (vers->tag); li->rev_old = xstrdup (vers->vn_rcs); li->rev_new = NULL; p->data = (char *) li; (void) addnode (ulist, p); p = getnode (); p->key = xstrdup (finfo->file); p->type = UPDATE; p->delproc = ci_delproc; ci = (struct commit_info *) xmalloc (sizeof (struct commit_info)); ci->status = status; if (vers->tag) if (isdigit (*vers->tag)) ci->rev = xstrdup (vers->tag); else ci->rev = RCS_whatbranch (finfo->rcs, vers->tag); else ci->rev = (char *) NULL; ci->tag = xstrdup (vers->tag); ci->options = xstrdup(vers->options); p->data = (char *) ci; (void) addnode (cilist, p); #ifdef PRESERVE_PERMISSIONS_SUPPORT if (preserve_perms) { /* Add this file to hardlist, indexed on its inode. When we are done, we can find out what files are hardlinked to a given file by looking up its inode in hardlist. */ char *fullpath; Node *linkp; struct hardlink_info *hlinfo; /* Get the full pathname of the current file. */ fullpath = xmalloc (strlen(working_dir) + strlen(finfo->fullname) + 2); sprintf (fullpath, "%s/%s", working_dir, finfo->fullname); /* To permit following links in subdirectories, files are keyed on finfo->fullname, not on finfo->name. */ linkp = lookup_file_by_inode (fullpath); /* If linkp is NULL, the file doesn't exist... maybe we're doing a remove operation? */ if (linkp != NULL) { /* Create a new hardlink_info node, which will record the current file's status and the links listed in its `hardlinks' delta field. We will append this hardlink_info node to the appropriate hardlist entry. */ hlinfo = (struct hardlink_info *) xmalloc (sizeof (struct hardlink_info)); hlinfo->status = status; hlinfo->links = NULL; linkp->data = (char *) hlinfo; } } #endif break; case T_UNKNOWN: error (0, 0, "nothing known about `%s'", finfo->fullname); freevers_ts (&vers); return (1); case T_UPTODATE: break; default: error (0, 0, "CVS internal error: unknown status %d", status); break; } freevers_ts (&vers); return (0); } /* * By default, return the code that tells do_recursion to examine all * directories */ /* ARGSUSED */ static Dtype check_direntproc (callerdat, dir, repos, update_dir, entries) void *callerdat; char *dir; char *repos; char *update_dir; List *entries; { if (!isdir (dir)) return (R_SKIP_ALL); if (!quiet) error (0, 0, "Examining %s", update_dir); return (R_PROCESS); } /* * Walklist proc to run pre-commit checks */ static int precommit_list_proc (p, closure) Node *p; void *closure; { struct logfile_info *li; li = (struct logfile_info *) p->data; if (li->type == T_ADDED || li->type == T_MODIFIED || li->type == T_REMOVED) { run_arg (p->key); } return (0); } /* * Callback proc for pre-commit checking */ static List *ulist; static int precommit_proc (repository, filter) char *repository; char *filter; { /* see if the filter is there, only if it's a full path */ if (isabsolute (filter)) { char *s, *cp; s = xstrdup (filter); for (cp = s; *cp; cp++) if (isspace (*cp)) { *cp = '\0'; break; } if (!isfile (s)) { error (0, errno, "cannot find pre-commit filter `%s'", s); free (s); return (1); /* so it fails! */ } free (s); } run_setup (filter); run_arg (repository); (void) walklist (ulist, precommit_list_proc, NULL); return (run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL|RUN_REALLY)); } /* * Run the pre-commit checks for the dir */ /* ARGSUSED */ static int check_filesdoneproc (callerdat, err, repos, update_dir, entries) void *callerdat; int err; char *repos; char *update_dir; List *entries; { int n; Node *p; /* find the update list for this dir */ p = findnode (mulist, update_dir); if (p != NULL) ulist = ((struct master_lists *) p->data)->ulist; else ulist = (List *) NULL; /* skip the checks if there's nothing to do */ if (ulist == NULL || ulist->list->next == ulist->list) return (err); /* run any pre-commit checks */ if ((n = Parse_Info (CVSROOTADM_COMMITINFO, repos, precommit_proc, 1)) > 0) { error (0, 0, "Pre-commit check failed"); err += n; } return (err); } /* * Do the work of committing a file */ static int maxrev; static char *sbranch; /* ARGSUSED */ static int commit_fileproc (callerdat, finfo) void *callerdat; struct file_info *finfo; { Node *p; int err = 0; List *ulist, *cilist; struct commit_info *ci; /* Keep track of whether write_dirtag is a branch tag. Note that if it is a branch tag in some files and a nonbranch tag in others, treat it as a nonbranch tag. It is possible that case should elicit a warning or an error. */ if (write_dirtag != NULL && finfo->rcs != NULL) { char *rev = RCS_getversion (finfo->rcs, write_dirtag, NULL, 1, NULL); if (rev != NULL && !RCS_nodeisbranch (finfo->rcs, write_dirtag)) write_dirnonbranch = 1; if (rev != NULL) free (rev); } if (finfo->update_dir[0] == '\0') p = findnode (mulist, "."); else p = findnode (mulist, finfo->update_dir); /* * if p is null, there were file type command line args which were * all up-to-date so nothing really needs to be done */ if (p == NULL) return (0); ulist = ((struct master_lists *) p->data)->ulist; cilist = ((struct master_lists *) p->data)->cilist; /* * At this point, we should have the commit message unless we were called * with files as args from the command line. In that latter case, we * need to get the commit message ourselves */ if (!(got_message)) { got_message = 1; if (use_editor) do_editor (finfo->update_dir, &message, finfo->repository, ulist); do_verify (&message, finfo->repository); } p = findnode (cilist, finfo->file); if (p == NULL) return (0); ci = (struct commit_info *) p->data; if (ci->status == T_MODIFIED) { if (finfo->rcs == NULL) error (1, 0, "internal error: no parsed RCS file"); if (lock_RCS (finfo->file, finfo->rcs, ci->rev, finfo->repository) != 0) { unlockrcs (finfo->rcs); err = 1; goto out; } } else if (ci->status == T_ADDED) { if (checkaddfile (finfo->file, finfo->repository, ci->tag, ci->options, &finfo->rcs) != 0) { fixaddfile (finfo->file, finfo->repository); err = 1; goto out; } /* adding files with a tag, now means adding them on a branch. Since the branch test was done in check_fileproc for modified files, we need to stub it in again here. */ if (ci->tag) { if (finfo->rcs == NULL) error (1, 0, "internal error: no parsed RCS file"); ci->rev = RCS_whatbranch (finfo->rcs, ci->tag); err = Checkin ('A', finfo, finfo->rcs->path, ci->rev, ci->tag, ci->options, message); if (err != 0) { unlockrcs (finfo->rcs); fixbranch (finfo->rcs, sbranch); } (void) time (&last_register_time); ci->status = T_UPTODATE; } } /* * Add the file for real */ if (ci->status == T_ADDED) { char *xrev = (char *) NULL; if (ci->rev == NULL) { /* find the max major rev number in this directory */ maxrev = 0; (void) walklist (finfo->entries, findmaxrev, NULL); if (maxrev == 0) maxrev = 1; xrev = xmalloc (20); (void) sprintf (xrev, "%d", maxrev); } /* XXX - an added file with symbolic -r should add tag as well */ err = finaladd (finfo, ci->rev ? ci->rev : xrev, ci->tag, ci->options); if (xrev) free (xrev); } else if (ci->status == T_MODIFIED) { err = Checkin ('M', finfo, finfo->rcs->path, ci->rev, ci->tag, ci->options, message); (void) time (&last_register_time); if (err != 0) { unlockrcs (finfo->rcs); fixbranch (finfo->rcs, sbranch); } } else if (ci->status == T_REMOVED) { err = remove_file (finfo, ci->tag, message); #ifdef SERVER_SUPPORT if (server_active) { server_scratch_entry_only (); server_updated (finfo, NULL, /* Doesn't matter, it won't get checked. */ SERVER_UPDATED, (mode_t) -1, (unsigned char *) NULL, (struct buffer *) NULL); } #endif } /* Clearly this is right for T_MODIFIED. I haven't thought so much about T_ADDED or T_REMOVED. */ notify_do ('C', finfo->file, getcaller (), NULL, NULL, finfo->repository); out: if (err != 0) { /* on failure, remove the file from ulist */ p = findnode (ulist, finfo->file); if (p) delnode (p); } else { /* On success, retrieve the new version number of the file and copy it into the log information (see logmsg.c (logfile_write) for more details). We should only update the version number for files that have been added or modified but not removed. Why? classify_file_internal will return the version number of a file even after it has been removed from the archive, which is not the behavior we want for our commitlog messages; we want the old version number and then "NONE." */ if (ci->status != T_REMOVED) { p = findnode (ulist, finfo->file); if (p) { Vers_TS *vers; struct logfile_info *li; (void) classify_file_internal (finfo, &vers); li = (struct logfile_info *) p->data; li->rev_new = xstrdup (vers->vn_rcs); freevers_ts (&vers); } } } return (err); } /* * Log the commit and clean up the update list */ /* ARGSUSED */ static int commit_filesdoneproc (callerdat, err, repository, update_dir, entries) void *callerdat; int err; char *repository; char *update_dir; List *entries; { Node *p; List *ulist; p = findnode (mulist, update_dir); if (p == NULL) return (err); ulist = ((struct master_lists *) p->data)->ulist; got_message = 0; Update_Logfile (repository, message, (FILE *) 0, ulist); /* Build the administrative files if necessary. */ { char *p; if (strncmp (CVSroot_directory, repository, strlen (CVSroot_directory)) != 0) error (0, 0, "internal error: repository (%s) doesn't begin with root (%s)", repository, CVSroot_directory); p = repository + strlen (CVSroot_directory); if (*p == '/') ++p; if (strcmp ("CVSROOT", p) == 0) { /* "Database" might a little bit grandiose and/or vague, but "checked-out copies of administrative files, unless in the case of modules and you are using ndbm in which case modules.{pag,dir,db}" is verbose and excessively focused on how the database is implemented. */ cvs_output (program_name, 0); cvs_output (" ", 1); cvs_output (command_name, 0); cvs_output (": Rebuilding administrative file database\n", 0); mkmodules (repository); } } if (err == 0 && run_module_prog) { FILE *fp; if ((fp = CVS_FOPEN (CVSADM_CIPROG, "r")) != NULL) { char *line; int line_length; size_t line_chars_allocated; char *repository; line = NULL; line_chars_allocated = 0; line_length = getline (&line, &line_chars_allocated, fp); if (line_length > 0) { /* Remove any trailing newline. */ if (line[line_length - 1] == '\n') line[--line_length] = '\0'; repository = Name_Repository ((char *) NULL, update_dir); run_setup (line); run_arg (repository); cvs_output (program_name, 0); cvs_output (" ", 1); cvs_output (command_name, 0); cvs_output (": Executing '", 0); run_print (stdout); cvs_output ("'\n", 0); (void) run_exec (RUN_TTY, RUN_TTY, RUN_TTY, RUN_NORMAL); free (repository); } else { if (ferror (fp)) error (0, errno, "warning: error reading %s", CVSADM_CIPROG); } if (line != NULL) free (line); if (fclose (fp) < 0) error (0, errno, "warning: cannot close %s", CVSADM_CIPROG); } else { if (! existence_error (errno)) error (0, errno, "warning: cannot open %s", CVSADM_CIPROG); } } return (err); } /* * Get the log message for a dir */ /* ARGSUSED */ static Dtype commit_direntproc (callerdat, dir, repos, update_dir, entries) void *callerdat; char *dir; char *repos; char *update_dir; List *entries; { Node *p; List *ulist; char *real_repos; if (!isdir (dir)) return (R_SKIP_ALL); /* find the update list for this dir */ p = findnode (mulist, update_dir); if (p != NULL) ulist = ((struct master_lists *) p->data)->ulist; else ulist = (List *) NULL; /* skip the files as an optimization */ if (ulist == NULL || ulist->list->next == ulist->list) return (R_SKIP_FILES); /* get commit message */ real_repos = Name_Repository (dir, update_dir); got_message = 1; if (use_editor) do_editor (update_dir, &message, real_repos, ulist); do_verify (&message, real_repos); free (real_repos); return (R_PROCESS); } /* * Process the post-commit proc if necessary */ /* ARGSUSED */ static int commit_dirleaveproc (callerdat, dir, err, update_dir, entries) void *callerdat; char *dir; int err; char *update_dir; List *entries; { /* update the per-directory tag info */ /* FIXME? Why? The "commit examples" node of cvs.texinfo briefly mentions commit -r being sticky, but apparently in the context of this being a confusing feature! */ if (err == 0 && write_dirtag != NULL) { WriteTag (NULL, write_dirtag, NULL, write_dirnonbranch, update_dir, Name_Repository (dir, update_dir)); } return (err); } /* * find the maximum major rev number in an entries file */ static int findmaxrev (p, closure) Node *p; void *closure; { char *cp; int thisrev; Entnode *entdata; entdata = (Entnode *) p->data; if (entdata->type != ENT_FILE) return (0); cp = strchr (entdata->version, '.'); if (cp != NULL) *cp = '\0'; thisrev = atoi (entdata->version); if (cp != NULL) *cp = '.'; if (thisrev > maxrev) maxrev = thisrev; return (0); } /* * Actually remove a file by moving it to the attic * XXX - if removing a ,v file that is a relative symbolic link to * another ,v file, we probably should add a ".." component to the * link to keep it relative after we move it into the attic. */ static int remove_file (finfo, tag, message) struct file_info *finfo; char *tag; char *message; { mode_t omask; int retcode; char *tmp; int branch; int lockflag; char *corev; char *rev; char *prev_rev; char *old_path; corev = NULL; rev = NULL; prev_rev = NULL; retcode = 0; if (finfo->rcs == NULL) error (1, 0, "internal error: no parsed RCS file"); branch = 0; if (tag && !(branch = RCS_nodeisbranch (finfo->rcs, tag))) { /* a symbolic tag is specified; just remove the tag from the file */ if ((retcode = RCS_deltag (finfo->rcs, tag)) != 0) { if (!quiet) error (0, retcode == -1 ? errno : 0, "failed to remove tag `%s' from `%s'", tag, finfo->fullname); return (1); } RCS_rewrite (finfo->rcs, NULL, NULL); Scratch_Entry (finfo->entries, finfo->file); return (0); } /* we are removing the file from either the head or a branch */ /* commit a new, dead revision. */ /* Print message indicating that file is going to be removed. */ cvs_output ("Removing ", 0); cvs_output (finfo->fullname, 0); cvs_output (";\n", 0); rev = NULL; lockflag = 1; if (branch) { char *branchname; rev = RCS_whatbranch (finfo->rcs, tag); if (rev == NULL) { error (0, 0, "cannot find branch \"%s\".", tag); return (1); } branchname = RCS_getbranch (finfo->rcs, rev, 1); if (branchname == NULL) { /* no revision exists on this branch. use the previous revision but do not lock. */ corev = RCS_gettag (finfo->rcs, tag, 1, (int *) NULL); prev_rev = xstrdup(rev); lockflag = 0; } else { corev = xstrdup (rev); prev_rev = xstrdup(branchname); free (branchname); } } else /* Not a branch */ { /* Get current head revision of file. */ prev_rev = RCS_head (finfo->rcs); } /* if removing without a tag or a branch, then make sure the default branch is the trunk. */ if (!tag && !branch) { if (RCS_setbranch (finfo->rcs, NULL) != 0) { error (0, 0, "cannot change branch to default for %s", finfo->fullname); return (1); } RCS_rewrite (finfo->rcs, NULL, NULL); } #ifdef SERVER_SUPPORT if (server_active) { /* If this is the server, there will be a file sitting in the temp directory which is the kludgy way in which server.c tells time_stamp that the file is no longer around. Remove it so we can create temp files with that name (ignore errors). */ unlink_file (finfo->file); } #endif /* check something out. Generally this is the head. If we have a particular rev, then name it. */ retcode = RCS_checkout (finfo->rcs, finfo->file, rev ? corev : NULL, (char *) NULL, (char *) NULL, RUN_TTY, (RCSCHECKOUTPROC) NULL, (void *) NULL); if (retcode != 0) { error (0, 0, "failed to check out `%s'", finfo->fullname); return (1); } /* Except when we are creating a branch, lock the revision so that we can check in the new revision. */ if (lockflag) { if (RCS_lock (finfo->rcs, rev ? corev : NULL, 1) == 0) RCS_rewrite (finfo->rcs, NULL, NULL); } if (corev != NULL) free (corev); retcode = RCS_checkin (finfo->rcs, finfo->file, message, rev, RCS_FLAGS_DEAD | RCS_FLAGS_QUIET); if (retcode != 0) { if (!quiet) error (0, retcode == -1 ? errno : 0, "failed to commit dead revision for `%s'", finfo->fullname); return (1); } if (rev != NULL) free (rev); old_path = finfo->rcs->path; if (!branch) { /* this was the head; really move it into the Attic */ tmp = xmalloc(strlen(finfo->repository) + sizeof('/') + sizeof(CVSATTIC) + sizeof('/') + strlen(finfo->file) + sizeof(RCSEXT) + 1); (void) sprintf (tmp, "%s/%s", finfo->repository, CVSATTIC); omask = umask (cvsumask); (void) CVS_MKDIR (tmp, 0777); (void) umask (omask); (void) sprintf (tmp, "%s/%s/%s%s", finfo->repository, CVSATTIC, finfo->file, RCSEXT); if (strcmp (finfo->rcs->path, tmp) != 0 && CVS_RENAME (finfo->rcs->path, tmp) == -1 && (isreadable (finfo->rcs->path) || !isreadable (tmp))) { free(tmp); return (1); } /* The old value of finfo->rcs->path is in old_path, and is freed below. */ finfo->rcs->path = tmp; } /* Print message that file was removed. */ cvs_output (old_path, 0); cvs_output (" <-- ", 0); cvs_output (finfo->file, 0); cvs_output ("\nnew revision: delete; previous revision: ", 0); cvs_output (prev_rev, 0); cvs_output ("\ndone\n", 0); free(prev_rev); if (old_path != finfo->rcs->path) free (old_path); Scratch_Entry (finfo->entries, finfo->file); return (0); } /* * Do the actual checkin for added files */ static int finaladd (finfo, rev, tag, options) struct file_info *finfo; char *rev; char *tag; char *options; { int ret; char *rcs; rcs = locate_rcs (finfo->file, finfo->repository); ret = Checkin ('A', finfo, rcs, rev, tag, options, message); if (ret == 0) { char *tmp = xmalloc (strlen (finfo->file) + sizeof (CVSADM) + sizeof (CVSEXT_LOG) + 10); (void) sprintf (tmp, "%s/%s%s", CVSADM, finfo->file, CVSEXT_LOG); (void) unlink_file (tmp); free (tmp); } else fixaddfile (finfo->file, finfo->repository); (void) time (&last_register_time); free (rcs); return (ret); } /* * Unlock an rcs file */ static void unlockrcs (rcs) RCSNode *rcs; { int retcode; if ((retcode = RCS_unlock (rcs, NULL, 0)) != 0) error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0, "could not unlock %s", rcs->path); else RCS_rewrite (rcs, NULL, NULL); } /* * remove a partially added file. if we can parse it, leave it alone. */ static void fixaddfile (file, repository) char *file; char *repository; { RCSNode *rcsfile; char *rcs; int save_really_quiet; rcs = locate_rcs (file, repository); save_really_quiet = really_quiet; really_quiet = 1; if ((rcsfile = RCS_parsercsfile (rcs)) == NULL) (void) unlink_file (rcs); else freercsnode (&rcsfile); really_quiet = save_really_quiet; free (rcs); } /* * put the branch back on an rcs file */ static void fixbranch (rcs, branch) RCSNode *rcs; char *branch; { int retcode; if (branch != NULL) { if ((retcode = RCS_setbranch (rcs, branch)) != 0) error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0, "cannot restore branch to %s for %s", branch, rcs->path); RCS_rewrite (rcs, NULL, NULL); } } /* * do the initial part of a file add for the named file. if adding * with a tag, put the file in the Attic and point the symbolic tag * at the committed revision. */ static int checkaddfile (file, repository, tag, options, rcsnode) char *file; char *repository; char *tag; char *options; RCSNode **rcsnode; { char *rcs; char *fname; mode_t omask; int retcode = 0; int newfile = 0; RCSNode *rcsfile = NULL; int retval; if (tag) { rcs = xmalloc (strlen (repository) + strlen (file) + sizeof (RCSEXT) + sizeof (CVSATTIC) + 10); (void) sprintf (rcs, "%s/%s%s", repository, file, RCSEXT); if (! isreadable (rcs)) { (void) sprintf(rcs, "%s/%s", repository, CVSATTIC); omask = umask (cvsumask); if (CVS_MKDIR (rcs, 0777) != 0 && errno != EEXIST) error (1, errno, "cannot make directory `%s'", rcs);; (void) umask (omask); (void) sprintf (rcs, "%s/%s/%s%s", repository, CVSATTIC, file, RCSEXT); } } else rcs = locate_rcs (file, repository); if (isreadable (rcs)) { /* file has existed in the past. Prepare to resurrect. */ char *rev; if ((rcsfile = *rcsnode) == NULL) { error (0, 0, "could not find parsed rcsfile %s", file); retval = 1; goto out; } if (tag == NULL) { char *oldfile; /* we are adding on the trunk, so move the file out of the Attic. */ oldfile = xstrdup (rcs); sprintf (rcs, "%s/%s%s", repository, file, RCSEXT); if (strcmp (oldfile, rcs) == 0) { error (0, 0, "internal error: confused about attic for %s", oldfile); out1: free (oldfile); retval = 1; goto out; } if (CVS_RENAME (oldfile, rcs) != 0) { error (0, errno, "failed to move `%s' out of the attic", oldfile); goto out1; } if (isreadable (oldfile) || !isreadable (rcs)) { error (0, 0, "\ internal error: `%s' didn't move out of the attic", oldfile); goto out1; } free (oldfile); free (rcsfile->path); rcsfile->path = xstrdup (rcs); } rev = RCS_getversion (rcsfile, tag, NULL, 1, (int *) NULL); /* and lock it */ if (lock_RCS (file, rcsfile, rev, repository)) { error (0, 0, "cannot lock `%s'.", rcs); if (rev != NULL) free (rev); retval = 1; goto out; } if (rev != NULL) free (rev); } else { /* this is the first time we have ever seen this file; create an rcs file. */ char *desc; size_t descalloc; size_t desclen; char *opt; desc = NULL; descalloc = 0; desclen = 0; fname = xmalloc (strlen (file) + sizeof (CVSADM) + sizeof (CVSEXT_LOG) + 10); (void) sprintf (fname, "%s/%s%s", CVSADM, file, CVSEXT_LOG); /* If the file does not exist, no big deal. In particular, the server does not (yet at least) create CVSEXT_LOG files. */ if (isfile (fname)) /* FIXME: Should be including update_dir in the appropriate place here. */ get_file (fname, fname, "r", &desc, &descalloc, &desclen); free (fname); /* From reading the RCS 5.7 source, "rcs -i" adds a newline to the end of the log message if the message is nonempty. Do it. RCS also deletes certain whitespace, in cleanlogmsg, which we don't try to do here. */ if (desclen > 0) { expand_string (&desc, &descalloc, desclen + 1); desc[desclen++] = '\012'; } /* Set RCS keyword expansion options. */ if (options && options[0] == '-' && options[1] == 'k') opt = options + 2; else opt = NULL; /* This message is an artifact of the time when this was implemented via "rcs -i". It should be revised at some point (does the "initial revision" in the message from RCS_checkin indicate that this is a new file? Or does the "RCS file" message serve some function?). */ cvs_output ("RCS file: ", 0); cvs_output (rcs, 0); cvs_output ("\ndone\n", 0); if (add_rcs_file (NULL, rcs, file, NULL, opt, NULL, NULL, 0, NULL, desc, desclen, NULL) != 0) { retval = 1; goto out; } rcsfile = RCS_parsercsfile (rcs); newfile = 1; if (desc != NULL) free (desc); } /* when adding a file for the first time, and using a tag, we need to create a dead revision on the trunk. */ if (tag && newfile) { char *tmp; FILE *fp; /* move the new file out of the way. */ fname = xmalloc (strlen (file) + sizeof (CVSADM) + sizeof (CVSPREFIX) + 10); (void) sprintf (fname, "%s/%s%s", CVSADM, CVSPREFIX, file); rename_file (file, fname); /* Create empty FILE. Can't use copy_file with a DEVNULL argument -- copy_file now ignores device files. */ fp = fopen (file, "w"); if (fp == NULL) error (1, errno, "cannot open %s for writing", file); if (fclose (fp) < 0) error (0, errno, "cannot close %s", file); tmp = xmalloc (strlen (file) + strlen (tag) + 80); /* commit a dead revision. */ (void) sprintf (tmp, "file %s was initially added on branch %s.", file, tag); retcode = RCS_checkin (rcsfile, NULL, tmp, NULL, RCS_FLAGS_DEAD | RCS_FLAGS_QUIET); free (tmp); if (retcode != 0) { error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0, "could not create initial dead revision %s", rcs); retval = 1; goto out; } /* put the new file back where it was */ rename_file (fname, file); free (fname); /* double-check that the file was written correctly */ freercsnode (&rcsfile); rcsfile = RCS_parse (file, repository); if (rcsfile == NULL) { error (0, 0, "could not read %s", rcs); retval = 1; goto out; } if (rcsnode != NULL) { assert (*rcsnode == NULL); *rcsnode = rcsfile; } /* and lock it once again. */ if (lock_RCS (file, rcsfile, NULL, repository)) { error (0, 0, "cannot lock `%s'.", rcs); retval = 1; goto out; } } if (tag != NULL) { /* when adding with a tag, we need to stub a branch, if it doesn't already exist. */ if (rcsfile == NULL) { if (rcsnode != NULL && *rcsnode != NULL) rcsfile = *rcsnode; else { rcsfile = RCS_parse (file, repository); if (rcsfile == NULL) { error (0, 0, "could not read %s", rcs); retval = 1; goto out; } } } if (!RCS_nodeisbranch (rcsfile, tag)) { /* branch does not exist. Stub it. */ char *head; char *magicrev; fixbranch(rcsfile, sbranch); head = RCS_getversion (rcsfile, NULL, NULL, 0, (int *) NULL); magicrev = RCS_magicrev (rcsfile, head); retcode = RCS_settag (rcsfile, tag, magicrev); RCS_rewrite (rcsfile, NULL, NULL); free (head); free (magicrev); if (retcode != 0) { error (retcode == -1 ? 1 : 0, retcode == -1 ? errno : 0, "could not stub branch %s for %s", tag, rcs); retval = 1; goto out; } } else { /* lock the branch. (stubbed branches need not be locked.) */ if (lock_RCS (file, rcsfile, NULL, repository)) { error (0, 0, "cannot lock `%s'.", rcs); retval = 1; goto out; } } if (rcsnode && *rcsnode != rcsfile) { freercsnode(rcsnode); *rcsnode = rcsfile; } } fileattr_newfile (file); /* I don't think fix_rcs_modes is needed any more. In the add_rcs_file case, the algorithms used by add_rcs_file and fix_rcs_modes are the same, so there is no need to go through it all twice. In the other cases, I think we want to just preserve the mode that the file had before we started. That is a behavior change, but I would think a desirable one. */ fix_rcs_modes (rcs, file); retval = 0; out: free (rcs); return retval; } /* * Attempt to place a lock on the RCS file; returns 0 if it could and 1 if it * couldn't. If the RCS file currently has a branch as the head, we must * move the head back to the trunk before locking the file, and be sure to * put the branch back as the head if there are any errors. */ static int lock_RCS (user, rcs, rev, repository) char *user; RCSNode *rcs; char *rev; char *repository; { char *branch = NULL; int err = 0; /* * For a specified, numeric revision of the form "1" or "1.1", (or when * no revision is specified ""), definitely move the branch to the trunk * before locking the RCS file. * * The assumption is that if there is more than one revision on the trunk, * the head points to the trunk, not a branch... and as such, it's not * necessary to move the head in this case. */ if (rev == NULL || (rev && isdigit (*rev) && numdots (rev) < 2)) { branch = xstrdup (rcs->branch); if (branch != NULL) { if (RCS_setbranch (rcs, NULL) != 0) { error (0, 0, "cannot change branch to default for %s", rcs->path); if (branch) free (branch); return (1); } } err = RCS_lock(rcs, NULL, 1); } else { (void) RCS_lock(rcs, rev, 1); } /* We used to call RCS_rewrite here, and that might seem appropriate in order to write out the locked revision information. However, such a call would actually serve no purpose. CVS locks will prevent any interference from other CVS processes. The comment above rcs_internal_lockfile explains that it is already unsafe to use RCS and CVS simultaneously. It follows that writing out the locked revision information here would add no additional security. If we ever do care about it, the proper fix is to create the RCS lock file before calling this function, and maintain it until the checkin is complete. The call to RCS_lock is still required at present, since in some cases RCS_checkin will determine which revision to check in by looking for a lock. FIXME: This is rather roundabout, and a more straightforward approach would probably be easier to understand. */ if (err == 0) { if (sbranch != NULL) free (sbranch); sbranch = branch; return (0); } /* try to restore the branch if we can on error */ if (branch != NULL) fixbranch (rcs, branch); if (branch) free (branch); return (1); } /* Called when "add"ing files to the RCS respository. It doesn't seem to be possible to get RCS to use the right mode, so we change it after the fact. TODO: now that RCS has been librarified, we have the power to change this. */ static void fix_rcs_modes (rcs, user) char *rcs; char *user; { struct stat sb; mode_t rcs_mode; #ifdef PRESERVE_PERMISSIONS_SUPPORT /* Do ye nothing to the modes on a symbolic link. */ if (preserve_perms && islink (user)) return; #endif if (CVS_STAT (user, &sb) < 0) { /* FIXME: Should be ->fullname. */ error (0, errno, "warning: cannot stat %s", user); return; } /* Now we compute the new mode. TODO: decide whether this whole thing can/should be skipped when `preserve_perms' is set. Almost certainly so. -twp The algorithm that we use is: Write permission is always off (this is what RCS and CVS have always done). If S_IRUSR is on (user read), then the read permission of the RCS file will be on. It would seem that if this is off, then other users can't do "cvs update" and such, so perhaps this should be hardcoded to being on (it is a strange case, though--the case in which a user file doesn't have user read permission on). If S_IXUSR is on (user execute), then set execute permission on the RCS file. This allows other users who check out the file to get the right setting for whether a shell script (for example) has the executable bit set. The result of that calculation is modified by CVSUMASK. The reason, of course, that the read and execute settings take the user bit and copy it to all three bits (user, group, other), is that it should be CVSUMASK, not the umask of individual users, which is the sole determiner of modes in the repository. */ rcs_mode = 0; if (sb.st_mode & S_IRUSR) rcs_mode |= S_IRUSR | S_IRGRP | S_IROTH; if (sb.st_mode & S_IXUSR) rcs_mode |= S_IXUSR | S_IXGRP | S_IXOTH; rcs_mode &= ~cvsumask; if (chmod (rcs, rcs_mode) < 0) error (0, errno, "warning: cannot change mode of %s", rcs); } /* * free an UPDATE node's data */ void update_delproc (p) Node *p; { struct logfile_info *li; li = (struct logfile_info *) p->data; if (li->tag) free (li->tag); if (li->rev_old) free (li->rev_old); if (li->rev_new) free (li->rev_new); free (li); } /* * Free the commit_info structure in p. */ static void ci_delproc (p) Node *p; { struct commit_info *ci; ci = (struct commit_info *) p->data; if (ci->rev) free (ci->rev); if (ci->tag) free (ci->tag); if (ci->options) free (ci->options); free (ci); } /* * Free the commit_info structure in p. */ static void masterlist_delproc (p) Node *p; { struct master_lists *ml; ml = (struct master_lists *) p->data; dellist (&ml->ulist); dellist (&ml->cilist); free (ml); } /* Find an RCS file in the repository. Most parts of CVS will want to rely instead on RCS_parse which performs a similar operation and is called by recurse.c which then puts the result in useful places like the rcs field of struct file_info. REPOSITORY is the repository (including the directory) and FILE is the filename within that directory (without RCSEXT). Returns a newly-malloc'd array containing the absolute pathname of the RCS file that was found. */ static char * locate_rcs (file, repository) char *file; char *repository; { char *rcs; rcs = xmalloc (strlen (repository) + strlen (file) + sizeof (RCSEXT) + 10); (void) sprintf (rcs, "%s/%s%s", repository, file, RCSEXT); if (!isreadable (rcs)) { (void) sprintf (rcs, "%s/%s/%s%s", repository, CVSATTIC, file, RCSEXT); if (!isreadable (rcs)) (void) sprintf (rcs, "%s/%s%s", repository, file, RCSEXT); } return rcs; }