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-rw-r--r--contrib/cvs/src/edit.c1164
1 files changed, 1164 insertions, 0 deletions
diff --git a/contrib/cvs/src/edit.c b/contrib/cvs/src/edit.c
new file mode 100644
index 0000000..4e0cf1e
--- /dev/null
+++ b/contrib/cvs/src/edit.c
@@ -0,0 +1,1164 @@
+/* Implementation for "cvs edit", "cvs watch on", and related commands
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details. */
+
+#include "cvs.h"
+#include "getline.h"
+#include "watch.h"
+#include "edit.h"
+#include "fileattr.h"
+
+static int watch_onoff PROTO ((int, char **));
+
+static int setting_default;
+static int turning_on;
+
+static int setting_tedit;
+static int setting_tunedit;
+static int setting_tcommit;
+
+static int onoff_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+static int
+onoff_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ char *watched = fileattr_get0 (finfo->file, "_watched");
+ fileattr_set (finfo->file, "_watched", turning_on ? "" : NULL);
+ if (watched != NULL)
+ free (watched);
+ return 0;
+}
+
+
+
+static int onoff_filesdoneproc PROTO ((void *, int, const char *, const char *,
+ List *));
+
+static int
+onoff_filesdoneproc (callerdat, err, repository, update_dir, entries)
+ void *callerdat;
+ int err;
+ const char *repository;
+ const char *update_dir;
+ List *entries;
+{
+ if (setting_default)
+ {
+ char *watched = fileattr_get0 (NULL, "_watched");
+ fileattr_set (NULL, "_watched", turning_on ? "" : NULL);
+ if (watched != NULL)
+ free (watched);
+ }
+ return err;
+}
+
+static int
+watch_onoff (argc, argv)
+ int argc;
+ char **argv;
+{
+ int c;
+ int local = 0;
+ int err;
+
+ optind = 0;
+ while ((c = getopt (argc, argv, "+lR")) != -1)
+ {
+ switch (c)
+ {
+ case 'l':
+ local = 1;
+ break;
+ case 'R':
+ local = 0;
+ break;
+ case '?':
+ default:
+ usage (watch_usage);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+#ifdef CLIENT_SUPPORT
+ if (current_parsed_root->isremote)
+ {
+ start_server ();
+
+ ign_setup ();
+
+ if (local)
+ send_arg ("-l");
+ send_arg ("--");
+ send_files (argc, argv, local, 0, SEND_NO_CONTENTS);
+ send_file_names (argc, argv, SEND_EXPAND_WILD);
+ send_to_server (turning_on ? "watch-on\012" : "watch-off\012", 0);
+ return get_responses_and_close ();
+ }
+#endif /* CLIENT_SUPPORT */
+
+ setting_default = (argc <= 0);
+
+ lock_tree_for_write (argc, argv, local, W_LOCAL, 0);
+
+ err = start_recursion (onoff_fileproc, onoff_filesdoneproc,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, CVS_LOCK_NONE,
+ (char *) NULL, 0, (char *) NULL);
+
+ Lock_Cleanup ();
+ return err;
+}
+
+int
+watch_on (argc, argv)
+ int argc;
+ char **argv;
+{
+ turning_on = 1;
+ return watch_onoff (argc, argv);
+}
+
+int
+watch_off (argc, argv)
+ int argc;
+ char **argv;
+{
+ turning_on = 0;
+ return watch_onoff (argc, argv);
+}
+
+static int dummy_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+static int
+dummy_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ /* This is a pretty hideous hack, but the gist of it is that recurse.c
+ won't call cvs_notify_check unless there is a fileproc, so we
+ can't just pass NULL for fileproc. */
+ return 0;
+}
+
+static int ncheck_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+/* Check for and process notifications. Local only. I think that doing
+ this as a fileproc is the only way to catch all the
+ cases (e.g. foo/bar.c), even though that means checking over and over
+ for the same CVSADM_NOTIFY file which we removed the first time we
+ processed the directory. */
+
+static int
+ncheck_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ int notif_type;
+ char *filename;
+ char *val;
+ char *cp;
+ char *watches;
+
+ FILE *fp;
+ char *line = NULL;
+ size_t line_len = 0;
+
+ /* We send notifications even if noexec. I'm not sure which behavior
+ is most sensible. */
+
+ fp = CVS_FOPEN (CVSADM_NOTIFY, "r");
+ if (fp == NULL)
+ {
+ if (!existence_error (errno))
+ error (0, errno, "cannot open %s", CVSADM_NOTIFY);
+ return 0;
+ }
+
+ while (getline (&line, &line_len, fp) > 0)
+ {
+ notif_type = line[0];
+ if (notif_type == '\0')
+ continue;
+ filename = line + 1;
+ cp = strchr (filename, '\t');
+ if (cp == NULL)
+ continue;
+ *cp++ = '\0';
+ val = cp;
+ cp = strchr (val, '\t');
+ if (cp == NULL)
+ continue;
+ *cp++ = '+';
+ cp = strchr (cp, '\t');
+ if (cp == NULL)
+ continue;
+ *cp++ = '+';
+ cp = strchr (cp, '\t');
+ if (cp == NULL)
+ continue;
+ *cp++ = '\0';
+ watches = cp;
+ cp = strchr (cp, '\n');
+ if (cp == NULL)
+ continue;
+ *cp = '\0';
+
+ notify_do (notif_type, filename, getcaller (), val, watches,
+ finfo->repository);
+ }
+ free (line);
+
+ if (ferror (fp))
+ error (0, errno, "cannot read %s", CVSADM_NOTIFY);
+ if (fclose (fp) < 0)
+ error (0, errno, "cannot close %s", CVSADM_NOTIFY);
+
+ if ( CVS_UNLINK (CVSADM_NOTIFY) < 0)
+ error (0, errno, "cannot remove %s", CVSADM_NOTIFY);
+
+ return 0;
+}
+
+static int send_notifications PROTO ((int, char **, int));
+
+/* Look through the CVSADM_NOTIFY file and process each item there
+ accordingly. */
+static int
+send_notifications (argc, argv, local)
+ int argc;
+ char **argv;
+ int local;
+{
+ int err = 0;
+
+#ifdef CLIENT_SUPPORT
+ /* OK, we've done everything which needs to happen on the client side.
+ Now we can try to contact the server; if we fail, then the
+ notifications stay in CVSADM_NOTIFY to be sent next time. */
+ if (current_parsed_root->isremote)
+ {
+ if (strcmp (cvs_cmd_name, "release") != 0)
+ {
+ start_server ();
+ ign_setup ();
+ }
+
+ err += start_recursion (dummy_fileproc, (FILESDONEPROC) NULL,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, 0, (char *)NULL,
+ 0, (char *) NULL);
+
+ send_to_server ("noop\012", 0);
+ if (strcmp (cvs_cmd_name, "release") == 0)
+ err += get_server_responses ();
+ else
+ err += get_responses_and_close ();
+ }
+ else
+#endif
+ {
+ /* Local. */
+
+ lock_tree_for_write (argc, argv, local, W_LOCAL, 0);
+ err += start_recursion (ncheck_fileproc, (FILESDONEPROC) NULL,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, 0, (char *)NULL,
+ 0, (char *) NULL);
+ Lock_Cleanup ();
+ }
+ return err;
+}
+
+static int edit_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+static int
+edit_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ FILE *fp;
+ time_t now;
+ char *ascnow;
+ char *basefilename;
+
+ if (noexec)
+ return 0;
+
+ /* This is a somewhat screwy way to check for this, because it
+ doesn't help errors other than the nonexistence of the file
+ (e.g. permissions problems). It might be better to rearrange
+ the code so that CVSADM_NOTIFY gets written only after the
+ various actions succeed (but what if only some of them
+ succeed). */
+ if (!isfile (finfo->file))
+ {
+ error (0, 0, "no such file %s; ignored", finfo->fullname);
+ return 0;
+ }
+
+ fp = open_file (CVSADM_NOTIFY, "a");
+
+ (void) time (&now);
+ ascnow = asctime (gmtime (&now));
+ ascnow[24] = '\0';
+ /* Fix non-standard format. */
+ if (ascnow[8] == '0') ascnow[8] = ' ';
+ fprintf (fp, "E%s\t%s GMT\t%s\t%s\t", finfo->file,
+ ascnow, hostname, CurDir);
+ if (setting_tedit)
+ fprintf (fp, "E");
+ if (setting_tunedit)
+ fprintf (fp, "U");
+ if (setting_tcommit)
+ fprintf (fp, "C");
+ fprintf (fp, "\n");
+
+ if (fclose (fp) < 0)
+ {
+ if (finfo->update_dir[0] == '\0')
+ error (0, errno, "cannot close %s", CVSADM_NOTIFY);
+ else
+ error (0, errno, "cannot close %s/%s", finfo->update_dir,
+ CVSADM_NOTIFY);
+ }
+
+ xchmod (finfo->file, 1);
+
+ /* Now stash the file away in CVSADM so that unedit can revert even if
+ it can't communicate with the server. We stash away a writable
+ copy so that if the user removes the working file, then restores it
+ with "cvs update" (which clears _editors but does not update
+ CVSADM_BASE), then a future "cvs edit" can still win. */
+ /* Could save a system call by only calling mkdir_if_needed if
+ trying to create the output file fails. But copy_file isn't
+ set up to facilitate that. */
+ mkdir_if_needed (CVSADM_BASE);
+ basefilename = xmalloc (10 + sizeof CVSADM_BASE + strlen (finfo->file));
+ strcpy (basefilename, CVSADM_BASE);
+ strcat (basefilename, "/");
+ strcat (basefilename, finfo->file);
+ copy_file (finfo->file, basefilename);
+ free (basefilename);
+
+ {
+ Node *node;
+
+ node = findnode_fn (finfo->entries, finfo->file);
+ if (node != NULL)
+ base_register (finfo, ((Entnode *) node->data)->version);
+ }
+
+ return 0;
+}
+
+static const char *const edit_usage[] =
+{
+ "Usage: %s %s [-lR] [-a <action>]... [<file>]...\n",
+ "-l\tLocal directory only, not recursive.\n",
+ "-R\tProcess directories recursively (default).\n",
+ "-a\tSpecify action to register for temporary watch, one of:\n",
+ " \t`edit', `unedit', `commit', `all', or `none' (defaults to `all').\n",
+ "(Specify the --help global option for a list of other help options.)\n",
+ NULL
+};
+
+int
+edit (argc, argv)
+ int argc;
+ char **argv;
+{
+ int local = 0;
+ int c;
+ int err;
+ int a_omitted;
+
+ if (argc == -1)
+ usage (edit_usage);
+
+ a_omitted = 1;
+ setting_tedit = 0;
+ setting_tunedit = 0;
+ setting_tcommit = 0;
+ optind = 0;
+ while ((c = getopt (argc, argv, "+lRa:")) != -1)
+ {
+ switch (c)
+ {
+ case 'l':
+ local = 1;
+ break;
+ case 'R':
+ local = 0;
+ break;
+ case 'a':
+ a_omitted = 0;
+ if (strcmp (optarg, "edit") == 0)
+ setting_tedit = 1;
+ else if (strcmp (optarg, "unedit") == 0)
+ setting_tunedit = 1;
+ else if (strcmp (optarg, "commit") == 0)
+ setting_tcommit = 1;
+ else if (strcmp (optarg, "all") == 0)
+ {
+ setting_tedit = 1;
+ setting_tunedit = 1;
+ setting_tcommit = 1;
+ }
+ else if (strcmp (optarg, "none") == 0)
+ {
+ setting_tedit = 0;
+ setting_tunedit = 0;
+ setting_tcommit = 0;
+ }
+ else
+ usage (edit_usage);
+ break;
+ case '?':
+ default:
+ usage (edit_usage);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (a_omitted)
+ {
+ setting_tedit = 1;
+ setting_tunedit = 1;
+ setting_tcommit = 1;
+ }
+
+ if (strpbrk (hostname, "+,>;=\t\n") != NULL)
+ error (1, 0,
+ "host name (%s) contains an invalid character (+,>;=\\t\\n)",
+ hostname);
+ if (strpbrk (CurDir, "+,>;=\t\n") != NULL)
+ error (1, 0,
+"current directory (%s) contains an invalid character (+,>;=\\t\\n)",
+ CurDir);
+
+ /* No need to readlock since we aren't doing anything to the
+ repository. */
+ err = start_recursion (edit_fileproc, (FILESDONEPROC) NULL,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, 0, (char *) NULL,
+ 0, (char *) NULL);
+
+ err += send_notifications (argc, argv, local);
+
+ return err;
+}
+
+static int unedit_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+static int
+unedit_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ FILE *fp;
+ time_t now;
+ char *ascnow;
+ char *basefilename;
+
+ if (noexec)
+ return 0;
+
+ basefilename = xmalloc (10 + sizeof CVSADM_BASE + strlen (finfo->file));
+ strcpy (basefilename, CVSADM_BASE);
+ strcat (basefilename, "/");
+ strcat (basefilename, finfo->file);
+ if (!isfile (basefilename))
+ {
+ /* This file apparently was never cvs edit'd (e.g. we are uneditting
+ a directory where only some of the files were cvs edit'd. */
+ free (basefilename);
+ return 0;
+ }
+
+ if (xcmp (finfo->file, basefilename) != 0)
+ {
+ printf ("%s has been modified; revert changes? ", finfo->fullname);
+ if (!yesno ())
+ {
+ /* "no". */
+ free (basefilename);
+ return 0;
+ }
+ }
+ rename_file (basefilename, finfo->file);
+ free (basefilename);
+
+ fp = open_file (CVSADM_NOTIFY, "a");
+
+ (void) time (&now);
+ ascnow = asctime (gmtime (&now));
+ ascnow[24] = '\0';
+ /* Fix non-standard format. */
+ if (ascnow[8] == '0') ascnow[8] = ' ';
+ fprintf (fp, "U%s\t%s GMT\t%s\t%s\t\n", finfo->file,
+ ascnow, hostname, CurDir);
+
+ if (fclose (fp) < 0)
+ {
+ if (finfo->update_dir[0] == '\0')
+ error (0, errno, "cannot close %s", CVSADM_NOTIFY);
+ else
+ error (0, errno, "cannot close %s/%s", finfo->update_dir,
+ CVSADM_NOTIFY);
+ }
+
+ /* Now update the revision number in CVS/Entries from CVS/Baserev.
+ The basic idea here is that we are reverting to the revision
+ that the user edited. If we wanted "cvs update" to update
+ CVS/Base as we go along (so that an unedit could revert to the
+ current repository revision), we would need:
+
+ update (or all send_files?) (client) needs to send revision in
+ new Entry-base request. update (server/local) needs to check
+ revision against repository and send new Update-base response
+ (like Update-existing in that the file already exists. While
+ we are at it, might try to clean up the syntax by having the
+ mode only in a "Mode" response, not in the Update-base itself). */
+ {
+ char *baserev;
+ Node *node;
+ Entnode *entdata;
+
+ baserev = base_get (finfo);
+ node = findnode_fn (finfo->entries, finfo->file);
+ /* The case where node is NULL probably should be an error or
+ something, but I don't want to think about it too hard right
+ now. */
+ if (node != NULL)
+ {
+ entdata = node->data;
+ if (baserev == NULL)
+ {
+ /* This can only happen if the CVS/Baserev file got
+ corrupted. We suspect it might be possible if the
+ user interrupts CVS, although I haven't verified
+ that. */
+ error (0, 0, "%s not mentioned in %s", finfo->fullname,
+ CVSADM_BASEREV);
+
+ /* Since we don't know what revision the file derives from,
+ keeping it around would be asking for trouble. */
+ if (unlink_file (finfo->file) < 0)
+ error (0, errno, "cannot remove %s", finfo->fullname);
+
+ /* This is cheesy, in a sense; why shouldn't we do the
+ update for the user? However, doing that would require
+ contacting the server, so maybe this is OK. */
+ error (0, 0, "run update to complete the unedit");
+ return 0;
+ }
+ Register (finfo->entries, finfo->file, baserev, entdata->timestamp,
+ entdata->options, entdata->tag, entdata->date,
+ entdata->conflict);
+ }
+ free (baserev);
+ base_deregister (finfo);
+ }
+
+ xchmod (finfo->file, 0);
+ return 0;
+}
+
+static const char *const unedit_usage[] =
+{
+ "Usage: %s %s [-lR] [<file>]...\n",
+ "-l\tLocal directory only, not recursive.\n",
+ "-R\tProcess directories recursively (default).\n",
+ "(Specify the --help global option for a list of other help options.)\n",
+ NULL
+};
+
+int
+unedit (argc, argv)
+ int argc;
+ char **argv;
+{
+ int local = 0;
+ int c;
+ int err;
+
+ if (argc == -1)
+ usage (unedit_usage);
+
+ optind = 0;
+ while ((c = getopt (argc, argv, "+lR")) != -1)
+ {
+ switch (c)
+ {
+ case 'l':
+ local = 1;
+ break;
+ case 'R':
+ local = 0;
+ break;
+ case '?':
+ default:
+ usage (unedit_usage);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ /* No need to readlock since we aren't doing anything to the
+ repository. */
+ err = start_recursion (unedit_fileproc, (FILESDONEPROC) NULL,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, 0, (char *)NULL,
+ 0, (char *) NULL);
+
+ err += send_notifications (argc, argv, local);
+
+ return err;
+}
+
+void
+mark_up_to_date (file)
+ const char *file;
+{
+ char *base;
+
+ /* The file is up to date, so we better get rid of an out of
+ date file in CVSADM_BASE. */
+ base = xmalloc (strlen (file) + 80);
+ strcpy (base, CVSADM_BASE);
+ strcat (base, "/");
+ strcat (base, file);
+ if (unlink_file (base) < 0 && ! existence_error (errno))
+ error (0, errno, "cannot remove %s", file);
+ free (base);
+}
+
+
+
+void
+editor_set (filename, editor, val)
+ const char *filename;
+ const char *editor;
+ const char *val;
+{
+ char *edlist;
+ char *newlist;
+
+ edlist = fileattr_get0 (filename, "_editors");
+ newlist = fileattr_modify (edlist, editor, val, '>', ',');
+ /* If the attributes is unchanged, don't rewrite the attribute file. */
+ if (!((edlist == NULL && newlist == NULL)
+ || (edlist != NULL
+ && newlist != NULL
+ && strcmp (edlist, newlist) == 0)))
+ fileattr_set (filename, "_editors", newlist);
+ if (edlist != NULL)
+ free (edlist);
+ if (newlist != NULL)
+ free (newlist);
+}
+
+struct notify_proc_args {
+ /* What kind of notification, "edit", "tedit", etc. */
+ const char *type;
+ /* User who is running the command which causes notification. */
+ const char *who;
+ /* User to be notified. */
+ const char *notifyee;
+ /* File. */
+ const char *file;
+};
+
+
+
+/* Pass as a static until we get around to fixing Parse_Info to pass along
+ a void * where we can stash it. */
+static struct notify_proc_args *notify_args;
+
+
+
+static int notify_proc PROTO ((const char *repository, const char *filter));
+
+static int
+notify_proc (repository, filter)
+ const char *repository;
+ const char *filter;
+{
+ FILE *pipefp;
+ char *prog;
+ char *expanded_prog;
+ const char *p;
+ char *q;
+ const char *srepos;
+ struct notify_proc_args *args = notify_args;
+
+ srepos = Short_Repository (repository);
+ prog = xmalloc (strlen (filter) + strlen (args->notifyee) + 1);
+ /* Copy FILTER to PROG, replacing the first occurrence of %s with
+ the notifyee. We only allocated enough memory for one %s, and I doubt
+ there is a need for more. */
+ for (p = filter, q = prog; *p != '\0'; ++p)
+ {
+ if (p[0] == '%')
+ {
+ if (p[1] == 's')
+ {
+ strcpy (q, args->notifyee);
+ q += strlen (q);
+ strcpy (q, p + 2);
+ q += strlen (q);
+ break;
+ }
+ else
+ continue;
+ }
+ *q++ = *p;
+ }
+ *q = '\0';
+
+ /* FIXME: why are we calling expand_proc? Didn't we already
+ expand it in Parse_Info, before passing it to notify_proc? */
+ expanded_prog = expand_path (prog, "notify", 0);
+ if (!expanded_prog)
+ {
+ free (prog);
+ return 1;
+ }
+
+ pipefp = run_popen (expanded_prog, "w");
+ if (pipefp == NULL)
+ {
+ error (0, errno, "cannot write entry to notify filter: %s", prog);
+ free (prog);
+ free (expanded_prog);
+ return 1;
+ }
+
+ fprintf (pipefp, "%s %s\n---\n", srepos, args->file);
+ fprintf (pipefp, "Triggered %s watch on %s\n", args->type, repository);
+ fprintf (pipefp, "By %s\n", args->who);
+
+ /* Lots more potentially useful information we could add here; see
+ logfile_write for inspiration. */
+
+ free (prog);
+ free (expanded_prog);
+ return (pclose (pipefp));
+}
+
+/* FIXME: this function should have a way to report whether there was
+ an error so that server.c can know whether to report Notified back
+ to the client. */
+void
+notify_do (type, filename, who, val, watches, repository)
+ int type;
+ const char *filename;
+ const char *who;
+ const char *val;
+ const char *watches;
+ const char *repository;
+{
+ static struct addremove_args blank;
+ struct addremove_args args;
+ char *watchers;
+ char *p;
+ char *endp;
+ char *nextp;
+
+ /* Initialize fields to 0, NULL, or 0.0. */
+ args = blank;
+ switch (type)
+ {
+ case 'E':
+ if (strpbrk (val, ",>;=\n") != NULL)
+ {
+ error (0, 0, "invalid character in editor value");
+ return;
+ }
+ editor_set (filename, who, val);
+ break;
+ case 'U':
+ case 'C':
+ editor_set (filename, who, NULL);
+ break;
+ default:
+ return;
+ }
+
+ watchers = fileattr_get0 (filename, "_watchers");
+ p = watchers;
+ while (p != NULL)
+ {
+ char *q;
+ char *endq;
+ char *nextq;
+ char *notif;
+
+ endp = strchr (p, '>');
+ if (endp == NULL)
+ break;
+ nextp = strchr (p, ',');
+
+ if ((size_t)(endp - p) == strlen (who) && strncmp (who, p, endp - p) == 0)
+ {
+ /* Don't notify user of their own changes. Would perhaps
+ be better to check whether it is the same working
+ directory, not the same user, but that is hairy. */
+ p = nextp == NULL ? nextp : nextp + 1;
+ continue;
+ }
+
+ /* Now we point q at a string which looks like
+ "edit+unedit+commit,"... and walk down it. */
+ q = endp + 1;
+ notif = NULL;
+ while (q != NULL)
+ {
+ endq = strchr (q, '+');
+ if (endq == NULL || (nextp != NULL && endq > nextp))
+ {
+ if (nextp == NULL)
+ endq = q + strlen (q);
+ else
+ endq = nextp;
+ nextq = NULL;
+ }
+ else
+ nextq = endq + 1;
+
+ /* If there is a temporary and a regular watch, send a single
+ notification, for the regular watch. */
+ if (type == 'E' && endq - q == 4 && strncmp ("edit", q, 4) == 0)
+ {
+ notif = "edit";
+ }
+ else if (type == 'U'
+ && endq - q == 6 && strncmp ("unedit", q, 6) == 0)
+ {
+ notif = "unedit";
+ }
+ else if (type == 'C'
+ && endq - q == 6 && strncmp ("commit", q, 6) == 0)
+ {
+ notif = "commit";
+ }
+ else if (type == 'E'
+ && endq - q == 5 && strncmp ("tedit", q, 5) == 0)
+ {
+ if (notif == NULL)
+ notif = "temporary edit";
+ }
+ else if (type == 'U'
+ && endq - q == 7 && strncmp ("tunedit", q, 7) == 0)
+ {
+ if (notif == NULL)
+ notif = "temporary unedit";
+ }
+ else if (type == 'C'
+ && endq - q == 7 && strncmp ("tcommit", q, 7) == 0)
+ {
+ if (notif == NULL)
+ notif = "temporary commit";
+ }
+ q = nextq;
+ }
+ if (nextp != NULL)
+ ++nextp;
+
+ if (notif != NULL)
+ {
+ struct notify_proc_args args;
+ size_t len = endp - p;
+ FILE *fp;
+ char *usersname;
+ char *line = NULL;
+ size_t line_len = 0;
+
+ args.notifyee = NULL;
+ usersname = xmalloc (strlen (current_parsed_root->directory)
+ + sizeof CVSROOTADM
+ + sizeof CVSROOTADM_USERS
+ + 20);
+ strcpy (usersname, current_parsed_root->directory);
+ strcat (usersname, "/");
+ strcat (usersname, CVSROOTADM);
+ strcat (usersname, "/");
+ strcat (usersname, CVSROOTADM_USERS);
+ fp = CVS_FOPEN (usersname, "r");
+ if (fp == NULL && !existence_error (errno))
+ error (0, errno, "cannot read %s", usersname);
+ if (fp != NULL)
+ {
+ while (getline (&line, &line_len, fp) >= 0)
+ {
+ if (strncmp (line, p, len) == 0
+ && line[len] == ':')
+ {
+ char *cp;
+ args.notifyee = xstrdup (line + len + 1);
+
+ /* There may or may not be more
+ colon-separated fields added to this in the
+ future; in any case, we ignore them right
+ now, and if there are none we make sure to
+ chop off the final newline, if any. */
+ cp = strpbrk (args.notifyee, ":\n");
+
+ if (cp != NULL)
+ *cp = '\0';
+ break;
+ }
+ }
+ if (ferror (fp))
+ error (0, errno, "cannot read %s", usersname);
+ if (fclose (fp) < 0)
+ error (0, errno, "cannot close %s", usersname);
+ }
+ free (usersname);
+ if (line != NULL)
+ free (line);
+
+ if (args.notifyee == NULL)
+ {
+ char *tmp;
+ tmp = xmalloc (endp - p + 1);
+ strncpy (tmp, p, endp - p);
+ tmp[endp - p] = '\0';
+ args.notifyee = tmp;
+ }
+
+ notify_args = &args;
+ args.type = notif;
+ args.who = who;
+ args.file = filename;
+
+ (void) Parse_Info (CVSROOTADM_NOTIFY, repository, notify_proc, 1);
+
+ /* It's okay to cast out the const for the free() below since we
+ * just allocated this a few lines above. The const was for
+ * everybody else.
+ */
+ free ((char *)args.notifyee);
+ }
+
+ p = nextp;
+ }
+ if (watchers != NULL)
+ free (watchers);
+
+ switch (type)
+ {
+ case 'E':
+ if (*watches == 'E')
+ {
+ args.add_tedit = 1;
+ ++watches;
+ }
+ if (*watches == 'U')
+ {
+ args.add_tunedit = 1;
+ ++watches;
+ }
+ if (*watches == 'C')
+ {
+ args.add_tcommit = 1;
+ }
+ watch_modify_watchers (filename, &args);
+ break;
+ case 'U':
+ case 'C':
+ args.remove_temp = 1;
+ watch_modify_watchers (filename, &args);
+ break;
+ }
+}
+
+#ifdef CLIENT_SUPPORT
+/* Check and send notifications. This is only for the client. */
+void
+cvs_notify_check (repository, update_dir)
+ const char *repository;
+ const char *update_dir;
+{
+ FILE *fp;
+ char *line = NULL;
+ size_t line_len = 0;
+
+ if (! server_started)
+ /* We are in the midst of a command which is not to talk to
+ the server (e.g. the first phase of a cvs edit). Just chill
+ out, we'll catch the notifications on the flip side. */
+ return;
+
+ /* We send notifications even if noexec. I'm not sure which behavior
+ is most sensible. */
+
+ fp = CVS_FOPEN (CVSADM_NOTIFY, "r");
+ if (fp == NULL)
+ {
+ if (!existence_error (errno))
+ error (0, errno, "cannot open %s", CVSADM_NOTIFY);
+ return;
+ }
+ while (getline (&line, &line_len, fp) > 0)
+ {
+ int notif_type;
+ char *filename;
+ char *val;
+ char *cp;
+
+ notif_type = line[0];
+ if (notif_type == '\0')
+ continue;
+ filename = line + 1;
+ cp = strchr (filename, '\t');
+ if (cp == NULL)
+ continue;
+ *cp++ = '\0';
+ val = cp;
+
+ client_notify (repository, update_dir, filename, notif_type, val);
+ }
+ if (line)
+ free (line);
+ if (ferror (fp))
+ error (0, errno, "cannot read %s", CVSADM_NOTIFY);
+ if (fclose (fp) < 0)
+ error (0, errno, "cannot close %s", CVSADM_NOTIFY);
+
+ /* Leave the CVSADM_NOTIFY file there, until the server tells us it
+ has dealt with it. */
+}
+#endif /* CLIENT_SUPPORT */
+
+
+static const char *const editors_usage[] =
+{
+ "Usage: %s %s [-lR] [<file>]...\n",
+ "-l\tProcess this directory only (not recursive).\n",
+ "-R\tProcess directories recursively (default).\n",
+ "(Specify the --help global option for a list of other help options.)\n",
+ NULL
+};
+
+static int editors_fileproc PROTO ((void *callerdat, struct file_info *finfo));
+
+static int
+editors_fileproc (callerdat, finfo)
+ void *callerdat;
+ struct file_info *finfo;
+{
+ char *them;
+ char *p;
+
+ them = fileattr_get0 (finfo->file, "_editors");
+ if (them == NULL)
+ return 0;
+
+ cvs_output (finfo->fullname, 0);
+
+ p = them;
+ while (1)
+ {
+ cvs_output ("\t", 1);
+ while (*p != '>' && *p != '\0')
+ cvs_output (p++, 1);
+ if (*p == '\0')
+ {
+ /* Only happens if attribute is misformed. */
+ cvs_output ("\n", 1);
+ break;
+ }
+ ++p;
+ cvs_output ("\t", 1);
+ while (1)
+ {
+ while (*p != '+' && *p != ',' && *p != '\0')
+ cvs_output (p++, 1);
+ if (*p == '\0')
+ {
+ cvs_output ("\n", 1);
+ goto out;
+ }
+ if (*p == ',')
+ {
+ ++p;
+ break;
+ }
+ ++p;
+ cvs_output ("\t", 1);
+ }
+ cvs_output ("\n", 1);
+ }
+ out:;
+ free (them);
+ return 0;
+}
+
+int
+editors (argc, argv)
+ int argc;
+ char **argv;
+{
+ int local = 0;
+ int c;
+
+ if (argc == -1)
+ usage (editors_usage);
+
+ optind = 0;
+ while ((c = getopt (argc, argv, "+lR")) != -1)
+ {
+ switch (c)
+ {
+ case 'l':
+ local = 1;
+ break;
+ case 'R':
+ local = 0;
+ break;
+ case '?':
+ default:
+ usage (editors_usage);
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+#ifdef CLIENT_SUPPORT
+ if (current_parsed_root->isremote)
+ {
+ start_server ();
+ ign_setup ();
+
+ if (local)
+ send_arg ("-l");
+ send_arg ("--");
+ send_files (argc, argv, local, 0, SEND_NO_CONTENTS);
+ send_file_names (argc, argv, SEND_EXPAND_WILD);
+ send_to_server ("editors\012", 0);
+ return get_responses_and_close ();
+ }
+#endif /* CLIENT_SUPPORT */
+
+ return start_recursion (editors_fileproc, (FILESDONEPROC) NULL,
+ (DIRENTPROC) NULL, (DIRLEAVEPROC) NULL, NULL,
+ argc, argv, local, W_LOCAL, 0, 1, (char *) NULL,
+ 0, (char *) NULL);
+}
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