* Author: Carl Worth <cworth@cworth.org>
*/
-#include <getopt.h>
-
#include "notmuch-client.h"
+#include "dump-restore-private.h"
+#include "tag-util.h"
+#include "string-util.h"
-int
-notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
+static regex_t regex;
+
+/* Non-zero return indicates an error in retrieving the message,
+ * or in applying the tags. Missing messages are reported, but not
+ * considered errors.
+ */
+static int
+tag_message (unused (void *ctx),
+ notmuch_database_t *notmuch,
+ const char *message_id,
+ tag_op_list_t *tag_ops,
+ tag_op_flag_t flags)
{
- notmuch_config_t *config;
- notmuch_database_t *notmuch;
- notmuch_bool_t synchronize_flags;
- notmuch_bool_t accumulate = FALSE;
- FILE *input = stdin;
- char *line = NULL;
- size_t line_size;
- ssize_t line_len;
- regex_t regex;
+ notmuch_status_t status;
+ notmuch_message_t *message = NULL;
+ int ret = 0;
+
+ status = notmuch_database_find_message (notmuch, message_id, &message);
+ if (status) {
+ fprintf (stderr, "Error applying tags to message %s: %s\n",
+ message_id, notmuch_status_to_string (status));
+ return 1;
+ }
+ if (message == NULL) {
+ fprintf (stderr, "Warning: cannot apply tags to missing message: %s\n",
+ message_id);
+ /* We consider this a non-fatal error. */
+ return 0;
+ }
+
+ /* In order to detect missing messages, this check/optimization is
+ * intentionally done *after* first finding the message. */
+ if ((flags & TAG_FLAG_REMOVE_ALL) || tag_op_list_size (tag_ops))
+ ret = tag_op_list_apply (message, tag_ops, flags);
+
+ notmuch_message_destroy (message);
+
+ return ret;
+}
+
+/* Sup 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 ')'. */
+
+static int
+parse_sup_line (void *ctx, char *line,
+ char **query_str, tag_op_list_t *tag_ops)
+{
+
+ regmatch_t match[3];
+ char *file_tags;
int rerr;
- config = notmuch_config_open (ctx, NULL, NULL);
- if (config == NULL)
+ tag_op_list_reset (tag_ops);
+
+ chomp_newline (line);
+
+ /* Silently ignore blank lines */
+ if (line[0] == '\0') {
return 1;
+ }
- notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
- NOTMUCH_DATABASE_MODE_READ_WRITE);
- if (notmuch == NULL)
+ rerr = xregexec (®ex, line, 3, match, 0);
+ if (rerr == REG_NOMATCH) {
+ fprintf (stderr, "Warning: Ignoring invalid sup format line: %s\n",
+ line);
return 1;
+ }
- synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
+ *query_str = talloc_strndup_debug (ctx, line + match[1].rm_so,
+ match[1].rm_eo - match[1].rm_so);
- struct option options[] = {
- { "accumulate", no_argument, 0, 'a' },
- { 0, 0, 0, 0}
- };
+ file_tags = talloc_strndup_debug (ctx, line + match[2].rm_so,
+ match[2].rm_eo - match[2].rm_so);
- int opt;
- do {
- opt = getopt_long (argc, argv, "", options, NULL);
+ char *tok = file_tags;
+ size_t tok_len = 0;
- switch (opt) {
- case 'a':
- accumulate = 1;
- break;
- case '?':
- return 1;
- break;
+ tag_op_list_reset (tag_ops);
+
+ while ((tok = strtok_len (tok + tok_len, " ", &tok_len)) != NULL) {
+
+ if (*(tok + tok_len) != '\0') {
+ *(tok + tok_len) = '\0';
+ tok_len++;
}
- } while (opt != -1);
+ if (tag_op_list_append (tag_ops, tok, FALSE))
+ return -1;
+ }
+
+ return 0;
+
+}
- if (optind < argc) {
- input = fopen (argv[optind], "r");
+int
+notmuch_restore_command (notmuch_config_t *config, int argc, char *argv[])
+{
+ notmuch_database_t *notmuch;
+ notmuch_bool_t accumulate = FALSE;
+ tag_op_flag_t flags = 0;
+ tag_op_list_t *tag_ops;
+
+ char *input_file_name = NULL;
+ FILE *input = stdin;
+ char *line = NULL;
+ void *line_ctx = NULL;
+ size_t line_size;
+ ssize_t line_len;
+
+ int ret = 0;
+ int opt_index;
+ int input_format = DUMP_FORMAT_AUTO;
+
+ if (notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
+ return EXIT_FAILURE;
+
+ if (notmuch_config_get_maildir_synchronize_flags (config))
+ flags |= TAG_FLAG_MAILDIR_SYNC;
+
+ notmuch_opt_desc_t options[] = {
+ { NOTMUCH_OPT_KEYWORD, &input_format, "format", 'f',
+ (notmuch_keyword_t []){ { "auto", DUMP_FORMAT_AUTO },
+ { "batch-tag", DUMP_FORMAT_BATCH_TAG },
+ { "sup", DUMP_FORMAT_SUP },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
+ { NOTMUCH_OPT_BOOLEAN, &accumulate, "accumulate", 'a', 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ opt_index = parse_arguments (argc, argv, options, 1);
+ if (opt_index < 0)
+ return EXIT_FAILURE;
+
+ if (! accumulate)
+ flags |= TAG_FLAG_REMOVE_ALL;
+
+ if (input_file_name) {
+ input = fopen (input_file_name, "r");
if (input == NULL) {
fprintf (stderr, "Error opening %s for reading: %s\n",
- argv[optind], strerror (errno));
- return 1;
+ input_file_name, strerror (errno));
+ return EXIT_FAILURE;
}
- optind++;
}
- if (optind < argc) {
- fprintf (stderr,
- "Cannot read dump from more than one file: %s\n",
- argv[optind]);
- return 1;
+ if (opt_index < argc) {
+ fprintf (stderr, "Unused positional parameter: %s\n", argv[opt_index]);
+ return EXIT_FAILURE;
}
- /* 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 (®ex,
- "^([^ ]+) \\(([^)]*)\\)$",
- REG_EXTENDED);
-
- while ((line_len = getline (&line, &line_size, input)) != -1) {
- regmatch_t match[3];
- char *message_id, *file_tags, *tag, *next;
- notmuch_message_t *message = NULL;
- notmuch_status_t status;
- notmuch_tags_t *db_tags;
- char *db_tags_str;
-
- chomp_newline (line);
-
- rerr = xregexec (®ex, line, 3, match, 0);
- if (rerr == REG_NOMATCH)
- {
- fprintf (stderr, "Warning: Ignoring invalid input line: %s\n",
- line);
- continue;
- }
+ tag_ops = tag_op_list_create (config);
+ if (tag_ops == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ return EXIT_FAILURE;
+ }
- message_id = xstrndup (line + match[1].rm_so,
- match[1].rm_eo - match[1].rm_so);
- file_tags = xstrndup (line + match[2].rm_so,
- match[2].rm_eo - match[2].rm_so);
-
- status = notmuch_database_find_message (notmuch, message_id, &message);
- if (status || message == NULL) {
- fprintf (stderr, "Warning: Cannot apply tags to %smessage: %s\n",
- message ? "" : "missing ", message_id);
- if (status)
- fprintf (stderr, "%s\n",
- notmuch_status_to_string(status));
- goto NEXT_LINE;
- }
+ do {
+ line_len = getline (&line, &line_size, input);
- /* In order to detect missing messages, this check/optimization is
- * intentionally done *after* first finding the message. */
- if (accumulate && (file_tags == NULL || *file_tags == '\0'))
- {
- goto NEXT_LINE;
- }
+ /* empty input file not considered an error */
+ if (line_len < 0)
+ return EXIT_SUCCESS;
- db_tags_str = NULL;
- for (db_tags = notmuch_message_get_tags (message);
- notmuch_tags_valid (db_tags);
- notmuch_tags_move_to_next (db_tags))
- {
- const char *tag = notmuch_tags_get (db_tags);
-
- if (db_tags_str)
- db_tags_str = talloc_asprintf_append (db_tags_str, " %s", tag);
- else
- db_tags_str = talloc_strdup (message, tag);
- }
+ } while ((line_len == 0) ||
+ (line[0] == '#') ||
+ /* the cast is safe because we checked about for line_len < 0 */
+ (strspn (line, " \t\n") == (unsigned)line_len));
- if (((file_tags == NULL || *file_tags == '\0') &&
- (db_tags_str == NULL || *db_tags_str == '\0')) ||
- (file_tags && db_tags_str && strcmp (file_tags, db_tags_str) == 0))
- {
- goto NEXT_LINE;
- }
+ char *p;
+ for (p = line; (input_format == DUMP_FORMAT_AUTO) && *p; p++) {
+ if (*p == '(')
+ input_format = DUMP_FORMAT_SUP;
+ }
+
+ if (input_format == DUMP_FORMAT_AUTO)
+ input_format = DUMP_FORMAT_BATCH_TAG;
- notmuch_message_freeze (message);
-
- if (!accumulate)
- notmuch_message_remove_all_tags (message);
-
- next = file_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);
- fprintf (stderr, "%s\n",
- notmuch_status_to_string (status));
+ if (input_format == DUMP_FORMAT_SUP)
+ if ( xregcomp (®ex,
+ "^([^ ]+) \\(([^)]*)\\)$",
+ REG_EXTENDED) )
+ INTERNAL_ERROR ("compile time constant regex failed.");
+
+ do {
+ char *query_string, *prefix, *term;
+
+ if (line_ctx != NULL)
+ talloc_free (line_ctx);
+
+ line_ctx = talloc_new (config);
+ if (input_format == DUMP_FORMAT_SUP) {
+ ret = parse_sup_line (line_ctx, line, &query_string, tag_ops);
+ } else {
+ ret = parse_tag_line (line_ctx, line, TAG_FLAG_BE_GENEROUS,
+ &query_string, tag_ops);
+
+ if (ret == 0) {
+ ret = parse_boolean_term (line_ctx, query_string,
+ &prefix, &term);
+ if (ret && errno == EINVAL) {
+ fprintf (stderr, "Warning: cannot parse query: %s (skipping)\n", query_string);
+ continue;
+ } else if (ret) {
+ /* This is more fatal (e.g., out of memory) */
+ fprintf (stderr, "Error parsing query: %s\n",
+ strerror (errno));
+ ret = 1;
+ break;
+ } else if (strcmp ("id", prefix) != 0) {
+ fprintf (stderr, "Warning: not an id query: %s (skipping)\n", query_string);
+ continue;
+ }
+ query_string = term;
}
}
- notmuch_message_thaw (message);
+ if (ret > 0)
+ continue;
- if (synchronize_flags)
- notmuch_message_tags_to_maildir_flags (message);
+ if (ret < 0)
+ break;
- NEXT_LINE:
- if (message)
- notmuch_message_destroy (message);
- message = NULL;
- free (message_id);
- free (file_tags);
- }
+ ret = tag_message (line_ctx, notmuch, query_string,
+ tag_ops, flags);
+ if (ret)
+ break;
- regfree (®ex);
+ } while ((line_len = getline (&line, &line_size, input)) != -1);
+
+ if (line_ctx != NULL)
+ talloc_free (line_ctx);
+
+ if (input_format == DUMP_FORMAT_SUP)
+ regfree (®ex);
if (line)
free (line);
- notmuch_database_close (notmuch);
+ notmuch_database_destroy (notmuch);
+
if (input != stdin)
fclose (input);
- return 0;
+ return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}
projects / notmuch / blobdiff