*/
#include "notmuch-client.h"
+#include "tag-util.h"
+#include "string-util.h"
static volatile sig_atomic_t interrupted;
static void
handle_sigint (unused (int sig))
{
- ssize_t ignored;
-
static char msg[] = "Stopping... \n";
- ignored = write(2, msg, sizeof(msg)-1);
+
+ /* This write is "opportunistic", so it's okay to ignore the
+ * result. It is not required for correctness, and if it does
+ * fail or produce a short write, we want to get out of the signal
+ * handler as quickly as possible, not retry it. */
+ IGNORE_RESULT (write (2, msg, sizeof (msg) - 1));
interrupted = 1;
}
-int
-notmuch_tag_command (void *ctx, unused (int argc), unused (char *argv[]))
+
+static char *
+_optimize_tag_query (void *ctx, const char *orig_query_string,
+ const tag_op_list_t *list)
{
- int *add_tags, *remove_tags;
- int add_tags_count = 0;
- int remove_tags_count = 0;
+ /* This is subtler than it looks. Xapian ignores the '-' operator
+ * at the beginning both queries and parenthesized groups and,
+ * furthermore, the presence of a '-' operator at the beginning of
+ * a group can inhibit parsing of the previous operator. Hence,
+ * the user-provided query MUST appear first, but it is safe to
+ * parenthesize and the exclusion part of the query must not use
+ * the '-' operator (though the NOT operator is fine). */
+
+ char *escaped = NULL;
+ size_t escaped_len = 0;
char *query_string;
- notmuch_config_t *config;
- notmuch_database_t *notmuch;
+ const char *join = "";
+ size_t i;
+
+ /* Don't optimize if there are no tag changes. */
+ if (tag_op_list_size (list) == 0)
+ return talloc_strdup (ctx, orig_query_string);
+
+ /* Build the new query string */
+ if (strcmp (orig_query_string, "*") == 0)
+ query_string = talloc_strdup (ctx, "(");
+ else
+ query_string = talloc_asprintf (ctx, "( %s ) and (", orig_query_string);
+
+ for (i = 0; i < tag_op_list_size (list) && query_string; i++) {
+ /* XXX in case of OOM, query_string will be deallocated when
+ * ctx is, which might be at shutdown */
+ if (make_boolean_term (ctx,
+ "tag", tag_op_list_tag (list, i),
+ &escaped, &escaped_len))
+ return NULL;
+
+ query_string = talloc_asprintf_append_buffer (
+ query_string, "%s%s%s", join,
+ tag_op_list_isremove (list, i) ? "" : "not ",
+ escaped);
+ join = " or ";
+ }
+
+ if (query_string)
+ query_string = talloc_strdup_append_buffer (query_string, ")");
+
+ talloc_free (escaped);
+ return query_string;
+}
+
+/* Tag messages matching 'query_string' according to 'tag_ops'
+ */
+static int
+tag_query (void *ctx, notmuch_database_t *notmuch, const char *query_string,
+ tag_op_list_t *tag_ops, tag_op_flag_t flags)
+{
notmuch_query_t *query;
notmuch_messages_t *messages;
notmuch_message_t *message;
- struct sigaction action;
- int i;
+ int ret = NOTMUCH_STATUS_SUCCESS;
- /* Setup our handler for SIGINT */
- memset (&action, 0, sizeof (struct sigaction));
- action.sa_handler = handle_sigint;
- sigemptyset (&action.sa_mask);
- action.sa_flags = SA_RESTART;
- sigaction (SIGINT, &action, NULL);
-
- add_tags = talloc_size (ctx, argc * sizeof (int));
- if (add_tags == NULL) {
+ /* Optimize the query so it excludes messages that already have
+ * the specified set of tags. */
+ query_string = _optimize_tag_query (ctx, query_string, tag_ops);
+ if (query_string == NULL) {
fprintf (stderr, "Out of memory.\n");
return 1;
}
- remove_tags = talloc_size (ctx, argc * sizeof (int));
- if (remove_tags == NULL) {
+ query = notmuch_query_create (notmuch, query_string);
+ if (query == NULL) {
fprintf (stderr, "Out of memory.\n");
return 1;
}
- for (i = 0; i < argc; i++) {
- if (strcmp (argv[i], "--") == 0) {
- i++;
- break;
- }
- if (argv[i][0] == '+') {
- add_tags[add_tags_count++] = i;
- } else if (argv[i][0] == '-') {
- remove_tags[remove_tags_count++] = i;
- } else {
+ /* tagging is not interested in any special sort order */
+ notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
+
+ for (messages = notmuch_query_search_messages (query);
+ notmuch_messages_valid (messages) && ! interrupted;
+ notmuch_messages_move_to_next (messages)) {
+ message = notmuch_messages_get (messages);
+ ret = tag_op_list_apply (message, tag_ops, flags | TAG_FLAG_PRE_OPTIMIZED);
+ notmuch_message_destroy (message);
+ if (ret != NOTMUCH_STATUS_SUCCESS)
break;
- }
}
- if (add_tags_count == 0 && remove_tags_count == 0) {
- fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add or remove.\n");
+ notmuch_query_destroy (query);
+
+ return ret || interrupted;
+}
+
+static int
+tag_file (void *ctx, notmuch_database_t *notmuch, tag_op_flag_t flags,
+ FILE *input)
+{
+ char *line = NULL;
+ char *query_string = NULL;
+ size_t line_size = 0;
+ ssize_t line_len;
+ int ret = 0;
+ int warn = 0;
+ tag_op_list_t *tag_ops;
+
+ tag_ops = tag_op_list_create (ctx);
+ if (tag_ops == NULL) {
+ fprintf (stderr, "Out of memory.\n");
return 1;
}
- query_string = query_string_from_args (ctx, argc - i, &argv[i]);
+ while ((line_len = getline (&line, &line_size, input)) != -1 &&
+ ! interrupted) {
- if (*query_string == '\0') {
- fprintf (stderr, "Error: notmuch tag requires at least one search term.\n");
- return 1;
+ ret = parse_tag_line (ctx, line, TAG_FLAG_NONE,
+ &query_string, tag_ops);
+
+ if (ret > 0) {
+ if (ret != TAG_PARSE_SKIPPED)
+ /* remember there has been problematic lines */
+ warn = 1;
+ ret = 0;
+ continue;
+ }
+
+ if (ret < 0)
+ break;
+
+ ret = tag_query (ctx, notmuch, query_string, tag_ops, flags);
+ if (ret)
+ break;
}
- config = notmuch_config_open (ctx, NULL, NULL);
- if (config == NULL)
- return 1;
+ if (line)
+ free (line);
- notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
- NOTMUCH_DATABASE_MODE_READ_WRITE);
- if (notmuch == NULL)
- return 1;
+ return ret || warn;
+}
- query = notmuch_query_create (notmuch, query_string);
- if (query == NULL) {
- fprintf (stderr, "Out of memory.\n");
+int
+notmuch_tag_command (notmuch_config_t *config, int argc, char *argv[])
+{
+ tag_op_list_t *tag_ops = NULL;
+ char *query_string = NULL;
+ notmuch_database_t *notmuch;
+ struct sigaction action;
+ tag_op_flag_t tag_flags = TAG_FLAG_NONE;
+ notmuch_bool_t batch = FALSE;
+ FILE *input = stdin;
+ char *input_file_name = NULL;
+ int opt_index;
+ int ret = 0;
+
+ /* Setup our handler for SIGINT */
+ memset (&action, 0, sizeof (struct sigaction));
+ action.sa_handler = handle_sigint;
+ sigemptyset (&action.sa_mask);
+ action.sa_flags = SA_RESTART;
+ sigaction (SIGINT, &action, NULL);
+
+ notmuch_opt_desc_t options[] = {
+ { NOTMUCH_OPT_BOOLEAN, &batch, "batch", 0, 0 },
+ { NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ opt_index = parse_arguments (argc, argv, options, 1);
+ if (opt_index < 0)
return 1;
+
+ if (input_file_name) {
+ batch = TRUE;
+ input = fopen (input_file_name, "r");
+ if (input == NULL) {
+ fprintf (stderr, "Error opening %s for reading: %s\n",
+ input_file_name, strerror (errno));
+ return 1;
+ }
}
- for (messages = notmuch_query_search_messages (query);
- notmuch_messages_valid (messages) && !interrupted;
- notmuch_messages_move_to_next (messages))
- {
- message = notmuch_messages_get (messages);
+ if (batch) {
+ if (opt_index != argc) {
+ fprintf (stderr, "Can't specify both cmdline and stdin!\n");
+ return 1;
+ }
+ } else {
+ tag_ops = tag_op_list_create (config);
+ if (tag_ops == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ return 1;
+ }
- notmuch_message_freeze (message);
+ if (parse_tag_command_line (config, argc - opt_index, argv + opt_index,
+ &query_string, tag_ops))
+ return 1;
+ }
- for (i = 0; i < remove_tags_count; i++)
- notmuch_message_remove_tag (message,
- argv[remove_tags[i]] + 1);
+ if (notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
+ return 1;
- for (i = 0; i < add_tags_count; i++)
- notmuch_message_add_tag (message, argv[add_tags[i]] + 1);
+ if (notmuch_config_get_maildir_synchronize_flags (config))
+ tag_flags |= TAG_FLAG_MAILDIR_SYNC;
- notmuch_message_thaw (message);
+ if (batch)
+ ret = tag_file (config, notmuch, tag_flags, input);
+ else
+ ret = tag_query (config, notmuch, query_string, tag_ops, tag_flags);
- notmuch_message_destroy (message);
- }
+ notmuch_database_destroy (notmuch);
- notmuch_query_destroy (query);
- notmuch_database_close (notmuch);
+ if (input != stdin)
+ fclose (input);
- return interrupted;
+ return ret || interrupted;
}
projects / notmuch / blobdiff