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restore: Make missing messages non-fatal (again)

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Previously, restore would abort if a message ID in the dump was
missing.  Furthermore, it would only report this as a warning.  This
patch makes it distinguish abort-worthy lookup failures like
out-of-memory from non-fatal failure to find a message ID.  The former
is reported as an error and causes restore to abort, while the latter
is reported as a warning and does not cause an abort.

This restores 0.14's non-fatal handling of missing message IDs in
restore (though 0.14 also considered serious errors non-fatal; we
retain the new and better handling of serious errors).
This commit is contained in:
Austin Clements 2013-01-06 15:22:37 -05:00 committed by David Bremner
parent d705a6a45b
commit baca1219af
1 changed files with 11 additions and 6 deletions
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17
notmuch-restore.c
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@ -26,7 +26,8 @@
static regex_t regex;
/* Non-zero return indicates an error in retrieving the message,
* or in applying the tags.
* or in applying the tags. Missing messages are reported, but not
* considered errors.
*/
static int
tag_message (unused (void *ctx),
@ -40,13 +41,17 @@ tag_message (unused (void *ctx),
int ret = 0;
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));
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. */