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cli/insert: add fail path to add_file_to_database

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Handle failures gracefully in add_file_to_database, renamed simply
add_file while at it. Add keep option to not remove the message from
database if tagging or tag syncing to maildir flags fails. Expand the
function documentation to cover the changes.
This commit is contained in:
Jani Nikula 2014-10-03 23:18:58 +02:00 committed by David Bremner
parent a6cee01b4e
commit 5df46a3d9e
1 changed files with 65 additions and 36 deletions
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101
notmuch-insert.c
View file

@ -364,50 +364,80 @@ FAIL:
return NULL;
}
/* Add the specified message file to the notmuch database, applying tags.
* The file is renamed to encode notmuch tags as maildir flags. */
static void
add_file_to_database (notmuch_database_t *notmuch, const char *path,
tag_op_list_t *tag_ops, notmuch_bool_t synchronize_flags)
/*
* Add the specified message file to the notmuch database, applying
* tags in tag_ops. If synchronize_flags is TRUE, the tags are
* synchronized to maildir flags (which may result in message file
* rename).
*
* Return NOTMUCH_STATUS_SUCCESS on success, errors otherwise. If keep
* is TRUE, errors in tag changes and flag syncing are ignored and
* success status is returned; otherwise such errors cause the message
* to be removed from the database. Failure to add the message to the
* database results in error status regardless of keep.
*/
static notmuch_status_t
add_file (notmuch_database_t *notmuch, const char *path, tag_op_list_t *tag_ops,
notmuch_bool_t synchronize_flags, notmuch_bool_t keep)
{
notmuch_message_t *message;
notmuch_status_t status;
status = notmuch_database_add_message (notmuch, path, &message);
switch (status) {
case NOTMUCH_STATUS_SUCCESS:
case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID:
break;
default:
case NOTMUCH_STATUS_FILE_NOT_EMAIL:
case NOTMUCH_STATUS_READ_ONLY_DATABASE:
case NOTMUCH_STATUS_XAPIAN_EXCEPTION:
case NOTMUCH_STATUS_OUT_OF_MEMORY:
case NOTMUCH_STATUS_FILE_ERROR:
case NOTMUCH_STATUS_NULL_POINTER:
case NOTMUCH_STATUS_TAG_TOO_LONG:
case NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW:
case NOTMUCH_STATUS_UNBALANCED_ATOMIC:
case NOTMUCH_STATUS_LAST_STATUS:
fprintf (stderr, "Error: failed to add `%s' to notmuch database: %s\n",
path, notmuch_status_to_string (status));
return;
}
if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
/* Don't change tags of an existing message. */
if (synchronize_flags) {
status = notmuch_message_tags_to_maildir_flags (message);
if (status != NOTMUCH_STATUS_SUCCESS)
fprintf (stderr, "Error: failed to sync tags to maildir flags\n");
if (status == NOTMUCH_STATUS_SUCCESS) {
status = tag_op_list_apply (message, tag_ops, 0);
if (status) {
fprintf (stderr, "%s: failed to apply tags to file '%s': %s\n",
keep ? "Warning" : "Error",
path, notmuch_status_to_string (status));
goto DONE;
}
} else if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
status = NOTMUCH_STATUS_SUCCESS;
} else if (status == NOTMUCH_STATUS_FILE_NOT_EMAIL) {
fprintf (stderr, "Error: delivery of non-mail file: '%s'\n", path);
goto FAIL;
} else {
tag_op_flag_t flags = synchronize_flags ? TAG_FLAG_MAILDIR_SYNC : 0;
tag_op_list_apply (message, tag_ops, flags);
fprintf (stderr, "Error: failed to add '%s' to notmuch database: %s\n",
path, notmuch_status_to_string (status));
goto FAIL;
}
if (synchronize_flags) {
status = notmuch_message_tags_to_maildir_flags (message);
if (status != NOTMUCH_STATUS_SUCCESS)
fprintf (stderr, "%s: failed to sync tags to maildir flags for '%s': %s\n",
keep ? "Warning" : "Error",
path, notmuch_status_to_string (status));
/*
* Note: Unfortunately a failed maildir flag sync might
* already have renamed the file, in which case the cleanup
* path may fail.
*/
}
DONE:
notmuch_message_destroy (message);
if (status) {
if (keep) {
status = NOTMUCH_STATUS_SUCCESS;
} else {
notmuch_status_t cleanup_status;
cleanup_status = notmuch_database_remove_message (notmuch, path);
if (cleanup_status != NOTMUCH_STATUS_SUCCESS &&
cleanup_status != NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID) {
fprintf (stderr, "Warning: failed to remove '%s' from database "
"after errors: %s. Please run 'notmuch new' to fix.\n",
path, notmuch_status_to_string (cleanup_status));
}
}
}
FAIL:
return status;
}
int
@ -508,8 +538,7 @@ notmuch_insert_command (notmuch_config_t *config, int argc, char *argv[])
/* Add the message to the index.
* Even if adding the message to the notmuch database fails,
* the message is on disk and we consider the delivery completed. */
add_file_to_database (notmuch, newpath, tag_ops,
synchronize_flags);
add_file (notmuch, newpath, tag_ops, synchronize_flags, TRUE);
notmuch_database_destroy (notmuch);
return EXIT_SUCCESS;