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https://git.notmuchmail.org/git/notmuch
synced 2024-12-22 09:24:54 +01:00
notmuch-restore: add support for input format 'batch-tag'
This can be enabled with the new --format=batch-tag command line
option to "notmuch restore". The input must consist of lines of the
format:
+<tag>|-<tag> [...] [--] id:<msg-id>
Each line is interpreted similarly to "notmuch tag" command line
arguments. The delimiter is one or more spaces ' '. Any characters in
<tag> and <search-terms> MAY be hex encoded with %NN where NN is the
hexadecimal value of the character. Any ' ' and '%' characters in
<tag> and <msg-id> MUST be hex encoded (using %20 and %25,
respectively). Any characters that are not part of <tag> or
<search-terms> MUST NOT be hex encoded.
Leading and trailing space ' ' is ignored. Empty lines and lines
beginning with '#' are ignored.
Commit message mainly stolen from Jani's batch tagging commit, to
follow.
This commit is contained in:
David Bremner
parent
fb50cc41fe
commit
33434d76f3
1 changed files with 145 additions and 90 deletions
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@ -19,18 +19,21 @@
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*/
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#include "notmuch-client.h"
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#include "dump-restore-private.h"
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#include "tag-util.h"
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#include "string-util.h"
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static regex_t regex;
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static int
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tag_message (notmuch_database_t *notmuch, const char *message_id,
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char *file_tags, notmuch_bool_t remove_all,
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notmuch_bool_t synchronize_flags)
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tag_message (unused (void *ctx),
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notmuch_database_t *notmuch,
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const char *message_id,
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tag_op_list_t *tag_ops,
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tag_op_flag_t flags)
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{
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notmuch_status_t status;
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notmuch_tags_t *db_tags;
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char *db_tags_str;
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notmuch_message_t *message = NULL;
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const char *tag;
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char *next;
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int ret = 0;
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status = notmuch_database_find_message (notmuch, message_id, &message);
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@ -44,72 +47,87 @@ tag_message (notmuch_database_t *notmuch, const char *message_id,
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/* In order to detect missing messages, this check/optimization is
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* intentionally done *after* first finding the message. */
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if (! remove_all && (file_tags == NULL || *file_tags == '\0'))
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goto DONE;
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if ((flags & TAG_FLAG_REMOVE_ALL) || tag_op_list_size (tag_ops))
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tag_op_list_apply (message, tag_ops, flags);
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db_tags_str = NULL;
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for (db_tags = notmuch_message_get_tags (message);
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notmuch_tags_valid (db_tags);
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notmuch_tags_move_to_next (db_tags)) {
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tag = notmuch_tags_get (db_tags);
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if (db_tags_str)
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db_tags_str = talloc_asprintf_append (db_tags_str, " %s", tag);
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else
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db_tags_str = talloc_strdup (message, tag);
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}
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if (((file_tags == NULL || *file_tags == '\0') &&
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(db_tags_str == NULL || *db_tags_str == '\0')) ||
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(file_tags && db_tags_str && strcmp (file_tags, db_tags_str) == 0))
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goto DONE;
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notmuch_message_freeze (message);
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if (remove_all)
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notmuch_message_remove_all_tags (message);
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next = file_tags;
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while (next) {
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tag = strsep (&next, " ");
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if (*tag == '\0')
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continue;
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status = notmuch_message_add_tag (message, tag);
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if (status) {
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fprintf (stderr, "Error applying tag %s to message %s:\n",
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tag, message_id);
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fprintf (stderr, "%s\n", notmuch_status_to_string (status));
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ret = 1;
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}
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}
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notmuch_message_thaw (message);
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if (synchronize_flags)
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notmuch_message_tags_to_maildir_flags (message);
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DONE:
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if (message)
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notmuch_message_destroy (message);
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notmuch_message_destroy (message);
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return ret;
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}
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/* Sup dump output is one line per message. We match a sequence of
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* non-space characters for the message-id, then one or more
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* spaces, then a list of space-separated tags as a sequence of
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* characters within literal '(' and ')'. */
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static int
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parse_sup_line (void *ctx, char *line,
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char **query_str, tag_op_list_t *tag_ops)
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{
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regmatch_t match[3];
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char *file_tags;
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int rerr;
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tag_op_list_reset (tag_ops);
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chomp_newline (line);
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/* Silently ignore blank lines */
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if (line[0] == '\0') {
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return 1;
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}
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rerr = xregexec (®ex, line, 3, match, 0);
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if (rerr == REG_NOMATCH) {
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fprintf (stderr, "Warning: Ignoring invalid sup format line: %s\n",
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line);
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return 1;
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}
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*query_str = talloc_strndup (ctx, line + match[1].rm_so,
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match[1].rm_eo - match[1].rm_so);
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file_tags = talloc_strndup (ctx, line + match[2].rm_so,
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match[2].rm_eo - match[2].rm_so);
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char *tok = file_tags;
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size_t tok_len = 0;
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tag_op_list_reset (tag_ops);
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while ((tok = strtok_len (tok + tok_len, " ", &tok_len)) != NULL) {
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if (*(tok + tok_len) != '\0') {
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*(tok + tok_len) = '\0';
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tok_len++;
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}
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if (tag_op_list_append (ctx, tag_ops, tok, FALSE))
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return -1;
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}
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return 0;
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}
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int
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notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
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{
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notmuch_config_t *config;
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notmuch_database_t *notmuch;
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notmuch_bool_t synchronize_flags;
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notmuch_bool_t accumulate = FALSE;
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tag_op_flag_t flags = 0;
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tag_op_list_t *tag_ops;
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char *input_file_name = NULL;
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FILE *input = stdin;
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char *line = NULL;
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size_t line_size;
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ssize_t line_len;
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regex_t regex;
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int rerr;
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int ret = 0;
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int opt_index;
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int input_format = DUMP_FORMAT_AUTO;
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config = notmuch_config_open (ctx, NULL, NULL);
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if (config == NULL)
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@ -119,9 +137,15 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
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NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
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return 1;
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synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
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if (notmuch_config_get_maildir_synchronize_flags (config))
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flags |= TAG_FLAG_MAILDIR_SYNC;
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notmuch_opt_desc_t options[] = {
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{ NOTMUCH_OPT_KEYWORD, &input_format, "format", 'f',
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(notmuch_keyword_t []){ { "auto", DUMP_FORMAT_AUTO },
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{ "batch-tag", DUMP_FORMAT_BATCH_TAG },
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{ "sup", DUMP_FORMAT_SUP },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
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{ NOTMUCH_OPT_BOOLEAN, &accumulate, "accumulate", 'a', 0 },
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{ 0, 0, 0, 0, 0 }
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@ -134,6 +158,9 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
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return 1;
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}
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if (! accumulate)
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flags |= TAG_FLAG_REMOVE_ALL;
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if (input_file_name) {
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input = fopen (input_file_name, "r");
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if (input == NULL) {
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@ -149,49 +176,77 @@ notmuch_restore_command (unused (void *ctx), int argc, char *argv[])
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argv[opt_index]);
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return 1;
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}
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char *p;
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/* Dump output is one line per message. We match a sequence of
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* non-space characters for the message-id, then one or more
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* spaces, then a list of space-separated tags as a sequence of
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* characters within literal '(' and ')'. */
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if ( xregcomp (®ex,
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"^([^ ]+) \\(([^)]*)\\)$",
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REG_EXTENDED) )
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INTERNAL_ERROR ("compile time constant regex failed.");
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line_len = getline (&line, &line_size, input);
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if (line_len == 0)
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return 0;
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while ((line_len = getline (&line, &line_size, input)) != -1) {
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regmatch_t match[3];
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char *message_id, *file_tags;
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chomp_newline (line);
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rerr = xregexec (®ex, line, 3, match, 0);
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if (rerr == REG_NOMATCH) {
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fprintf (stderr, "Warning: Ignoring invalid input line: %s\n",
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line);
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continue;
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}
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message_id = xstrndup (line + match[1].rm_so,
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match[1].rm_eo - match[1].rm_so);
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file_tags = xstrndup (line + match[2].rm_so,
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match[2].rm_eo - match[2].rm_so);
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tag_message (notmuch, message_id, file_tags, ! accumulate,
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synchronize_flags);
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free (message_id);
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free (file_tags);
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tag_ops = tag_op_list_create (ctx);
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if (tag_ops == NULL) {
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fprintf (stderr, "Out of memory.\n");
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return 1;
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}
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regfree (®ex);
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for (p = line; (input_format == DUMP_FORMAT_AUTO) && *p; p++) {
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if (*p == '(')
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input_format = DUMP_FORMAT_SUP;
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}
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if (input_format == DUMP_FORMAT_AUTO)
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input_format = DUMP_FORMAT_BATCH_TAG;
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if (input_format == DUMP_FORMAT_SUP)
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if ( xregcomp (®ex,
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"^([^ ]+) \\(([^)]*)\\)$",
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REG_EXTENDED) )
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INTERNAL_ERROR ("compile time constant regex failed.");
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do {
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char *query_string;
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if (input_format == DUMP_FORMAT_SUP) {
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ret = parse_sup_line (ctx, line, &query_string, tag_ops);
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} else {
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ret = parse_tag_line (ctx, line, TAG_FLAG_BE_GENEROUS,
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&query_string, tag_ops);
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if (ret == 0) {
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if (strncmp ("id:", query_string, 3) != 0) {
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fprintf (stderr, "Unsupported query: %s\n", query_string);
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continue;
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}
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/* delete id: from front of string; tag_message
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* expects a raw message-id.
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*
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* XXX: Note that query string id:foo and bar will be
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* interpreted as a message id "foo and bar". This
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* should eventually be fixed to give a better error
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* message.
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*/
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query_string = query_string + 3;
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}
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}
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if (ret > 0)
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continue;
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if (ret < 0 || tag_message (ctx, notmuch, query_string,
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tag_ops, flags))
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break;
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} while ((line_len = getline (&line, &line_size, input)) != -1);
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if (input_format == DUMP_FORMAT_SUP)
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regfree (®ex);
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if (line)
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free (line);
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notmuch_database_destroy (notmuch);
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if (input != stdin)
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fclose (input);
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return 0;
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return ret;
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}
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