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Implement "notmuch restore".

Browse source 
It's pretty easy to do with all the right infrastructure in place.
Now that I can get my tags from sup to notmuch, maybe I'll be able
to start reading mail again.
This commit is contained in:
Carl Worth 2009-10-21 16:03:03 -07:00
parent f96f4fe427
commit f232f0a797
1 changed files with 99 additions and 4 deletions
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103
notmuch.c
View file

@ -24,11 +24,15 @@
#define _GNU_SOURCE /* for getline */
#endif
/* This is separate from notmuch-private.h because we're trying to
* keep notmuch.c from looking into any internals, (which helps us
* develop notmuch.h into a plausible library interface).
*/
#include "xutil.h"
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
@ -451,8 +455,99 @@ dump_command (int argc, char *argv[])
int
restore_command (int argc, char *argv[])
{
fprintf (stderr, "Error: restore is not implemented yet.\n");
return 1;
FILE *input;
notmuch_database_t *notmuch = NULL;
char *line = NULL;
size_t line_size, line_len;
regex_t regex;
int rerr;
int ret = 0;
if (argc) {
input = fopen (argv[0], "r");
if (input == NULL) {
fprintf (stderr, "Error opening %s for reading: %s\n",
argv[0], strerror (errno));
ret = 1;
goto DONE;
}
} else {
printf ("No filename given. Reading dump from stdin.\n");
input = stdin;
}
notmuch = notmuch_database_open (NULL);
if (notmuch == NULL) {
ret = 1;
goto DONE;
}
/* Dump output is one line per message. We match a sequence of
* non-space characters for the message-id, then one or more
* spaces, then a list of space-separated tags as a sequence of
* characters within literal '(' and ')'. */
xregcomp (&regex,
"^([^ ]+) \\(([^)]*)\\)$",
REG_EXTENDED);
while ((line_len = getline (&line, &line_size, input)) != -1) {
regmatch_t match[3];
char *message_id, *tags, *tag, *next;
notmuch_message_t *message;
notmuch_status_t status;
chomp_newline (line);
rerr = xregexec (&regex, line, 3, match, 0);
if (rerr == REG_NOMATCH)
{
fprintf (stderr, "Warning: Ignoring invalid input line: %s\n",
line);
continue;
}
message_id = xstrndup (line + match[1].rm_so,
match[1].rm_eo - match[1].rm_so);
tags = xstrndup (line + match[2].rm_so,
match[2].rm_eo - match[2].rm_so);
if (strlen (tags)) {
message = notmuch_database_find_message (notmuch, message_id);
if (message == NULL) {
fprintf (stderr, "Warning: Cannot apply tags to missing message: %s\n",
message_id);
goto NEXT_LINE;
}
next = tags;
while (next) {
tag = strsep (&next, " ");
if (*tag == '\0')
continue;
status = notmuch_message_add_tag (message, tag);
if (status) {
fprintf (stderr, "Error applying tag %s to message %s.\n",
tag, message_id);
}
}
notmuch_message_destroy (message);
}
NEXT_LINE:
free (message_id);
free (tags);
}
regfree (&regex);
DONE:
if (line)
free (line);
if (notmuch)
notmuch_database_close (notmuch);
return ret;
}
command_t commands[] = {