*/
#include "notmuch-client.h"
+#include "hex-escape.h"
+#include "string-util.h"
+#include <zlib.h>
-int
-notmuch_dump_command (unused (void *ctx), int argc, char *argv[])
+
+static int
+database_dump_file (notmuch_database_t *notmuch, gzFile output,
+ const char *query_str, int output_format)
{
- notmuch_config_t *config;
- notmuch_database_t *notmuch;
notmuch_query_t *query;
- FILE *output = stdout;
notmuch_messages_t *messages;
notmuch_message_t *message;
notmuch_tags_t *tags;
- const char *query_str = "";
-
- config = notmuch_config_open (ctx, NULL, NULL);
- if (config == NULL)
- return 1;
- if (notmuch_database_open (notmuch_config_get_database_path (config),
- NOTMUCH_DATABASE_MODE_READ_ONLY, ¬much))
- return 1;
-
- char *output_file_name = NULL;
- int opt_index;
-
- notmuch_opt_desc_t options[] = {
- { NOTMUCH_OPT_STRING, &output_file_name, "output", 'o', 0 },
- { 0, 0, 0, 0, 0 }
- };
-
- opt_index = parse_arguments (argc, argv, options, 1);
-
- if (opt_index < 0) {
- /* diagnostics already printed */
- return 1;
- }
-
- if (output_file_name) {
- output = fopen (output_file_name, "w");
- if (output == NULL) {
- fprintf (stderr, "Error opening %s for writing: %s\n",
- output_file_name, strerror (errno));
- return 1;
- }
- }
-
-
- if (opt_index < argc) {
- query_str = query_string_from_args (notmuch, argc - opt_index, argv + opt_index);
- if (query_str == NULL) {
- fprintf (stderr, "Out of memory.\n");
- return 1;
- }
- }
+ if (! query_str)
+ query_str = "";
query = notmuch_query_create (notmuch, query_str);
if (query == NULL) {
fprintf (stderr, "Out of memory\n");
- return 1;
+ return EXIT_FAILURE;
}
/* Don't ask xapian to sort by Message-ID. Xapian optimizes returning the
* first results quickly at the expense of total time.
*/
notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
+ char *buffer = NULL;
+ size_t buffer_size = 0;
+
for (messages = notmuch_query_search_messages (query);
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages)) {
int first = 1;
+ const char *message_id;
+
message = notmuch_messages_get (messages);
+ message_id = notmuch_message_get_message_id (message);
+
+ if (output_format == DUMP_FORMAT_BATCH_TAG &&
+ strchr (message_id, '\n')) {
+ /* This will produce a line break in the output, which
+ * would be difficult to handle in tools. However, it's
+ * also impossible to produce an email containing a line
+ * break in a message ID because of unfolding, so we can
+ * safely disallow it. */
+ fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
+ notmuch_message_destroy (message);
+ continue;
+ }
- fprintf (output,
- "%s (", notmuch_message_get_message_id (message));
+ if (output_format == DUMP_FORMAT_SUP) {
+ gzprintf (output, "%s (", message_id);
+ }
for (tags = notmuch_message_get_tags (message);
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags)) {
- if (! first)
- fprintf (output, " ");
+ const char *tag_str = notmuch_tags_get (tags);
- fprintf (output, "%s", notmuch_tags_get (tags));
+ if (! first)
+ gzputs (output, " ");
first = 0;
+
+ if (output_format == DUMP_FORMAT_SUP) {
+ gzputs (output, tag_str);
+ } else {
+ if (hex_encode (notmuch, tag_str,
+ &buffer, &buffer_size) != HEX_SUCCESS) {
+ fprintf (stderr, "Error: failed to hex-encode tag %s\n",
+ tag_str);
+ return EXIT_FAILURE;
+ }
+ gzprintf (output, "+%s", buffer);
+ }
}
- fprintf (output, ")\n");
+ if (output_format == DUMP_FORMAT_SUP) {
+ gzputs (output, ")\n");
+ } else {
+ if (make_boolean_term (notmuch, "id", message_id,
+ &buffer, &buffer_size)) {
+ fprintf (stderr, "Error quoting message id %s: %s\n",
+ message_id, strerror (errno));
+ return EXIT_FAILURE;
+ }
+ gzprintf (output, " -- %s\n", buffer);
+ }
notmuch_message_destroy (message);
}
- if (output != stdout)
- fclose (output);
-
notmuch_query_destroy (query);
+
+ return EXIT_SUCCESS;
+}
+
+/* Dump database into output_file_name if it's non-NULL, stdout
+ * otherwise.
+ */
+int
+notmuch_database_dump (notmuch_database_t *notmuch,
+ const char *output_file_name,
+ const char *query_str,
+ dump_format_t output_format,
+ notmuch_bool_t gzip_output)
+{
+ gzFile output = NULL;
+ const char *mode = gzip_output ? "w9" : "wT";
+ const char *name_for_error = output_file_name ? output_file_name : "stdout";
+
+ char *tempname = NULL;
+ int outfd = -1;
+
+ int ret = -1;
+
+ if (output_file_name) {
+ tempname = talloc_asprintf (notmuch, "%s.XXXXXX", output_file_name);
+ outfd = mkstemp (tempname);
+ } else {
+ outfd = dup (STDOUT_FILENO);
+ }
+
+ if (outfd < 0) {
+ fprintf (stderr, "Bad output file %s\n", name_for_error);
+ goto DONE;
+ }
+
+ output = gzdopen (outfd, mode);
+
+ if (output == NULL) {
+ fprintf (stderr, "Error opening %s for (gzip) writing: %s\n",
+ name_for_error, strerror (errno));
+ if (close (outfd))
+ fprintf (stderr, "Error closing %s during shutdown: %s\n",
+ name_for_error, strerror (errno));
+ goto DONE;
+ }
+
+ ret = database_dump_file (notmuch, output, query_str, output_format);
+ if (ret) goto DONE;
+
+ ret = gzflush (output, Z_FINISH);
+ if (ret) {
+ fprintf (stderr, "Error flushing output: %s\n", gzerror (output, NULL));
+ goto DONE;
+ }
+
+ if (output_file_name) {
+ ret = fsync (outfd);
+ if (ret) {
+ fprintf (stderr, "Error syncing %s to disk: %s\n",
+ name_for_error, strerror (errno));
+ goto DONE;
+ }
+ }
+
+ if (gzclose_w (output) != Z_OK) {
+ fprintf (stderr, "Error closing %s: %s\n", name_for_error,
+ gzerror (output, NULL));
+ ret = EXIT_FAILURE;
+ output = NULL;
+ goto DONE;
+ }
+
+ if (output_file_name) {
+ ret = rename (tempname, output_file_name);
+ if (ret) {
+ fprintf (stderr, "Error renaming %s to %s: %s\n",
+ tempname, output_file_name, strerror (errno));
+ goto DONE;
+ }
+
+ }
+ DONE:
+ if (ret != EXIT_SUCCESS && output)
+ (void) gzclose_w (output);
+
+ if (ret != EXIT_SUCCESS && output_file_name)
+ (void) unlink (tempname);
+
+ return ret;
+}
+
+int
+notmuch_dump_command (notmuch_config_t *config, int argc, char *argv[])
+{
+ notmuch_database_t *notmuch;
+ const char *query_str = NULL;
+ int ret;
+
+ if (notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_WRITE, ¬much))
+ return EXIT_FAILURE;
+
+ char *output_file_name = NULL;
+ int opt_index;
+
+ int output_format = DUMP_FORMAT_BATCH_TAG;
+ notmuch_bool_t gzip_output = 0;
+
+ notmuch_opt_desc_t options[] = {
+ { NOTMUCH_OPT_KEYWORD, &output_format, "format", 'f',
+ (notmuch_keyword_t []){ { "sup", DUMP_FORMAT_SUP },
+ { "batch-tag", DUMP_FORMAT_BATCH_TAG },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_STRING, &output_file_name, "output", 'o', 0 },
+ { NOTMUCH_OPT_BOOLEAN, &gzip_output, "gzip", 'z', 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ opt_index = parse_arguments (argc, argv, options, 1);
+ if (opt_index < 0)
+ return EXIT_FAILURE;
+
+ if (opt_index < argc) {
+ query_str = query_string_from_args (notmuch, argc - opt_index, argv + opt_index);
+ if (query_str == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ return EXIT_FAILURE;
+ }
+ }
+
+ ret = notmuch_database_dump (notmuch, output_file_name, query_str,
+ output_format, gzip_output);
+
notmuch_database_destroy (notmuch);
- return 0;
+ return ret;
}
projects / notmuch / blobdiff