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show: workaround for the missing file problem

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This patch fixes the 'Deleted first duplicate file does not stop
notmuch show from working' test.

If a message to be shown has several duplicated files, and for some
reason the first file in the list is not available anymore, notmuch
will exit with an error.

This is clearly a problem in the database, but we are not going to let
this problem be a show-stopper. Let's walk through the list, and show
the first existing file.

Signed-off-by: Yuri Volchkov <yuri.volchkov@gmail.com>
This commit is contained in:
Yuri Volchkov 2017-08-21 17:44:48 +02:00 committed by David Bremner
parent 39cc84e9fc
commit 09fa51303c
2 changed files with 24 additions and 5 deletions
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28
mime-node.c
View file

@ -79,12 +79,32 @@ mime_node_open (const void *ctx, notmuch_message_t *message,
}
talloc_set_destructor (mctx, _mime_node_context_free);
/* Fast path */
mctx->file = fopen (filename, "r");
if (! mctx->file) {
fprintf (stderr, "Error opening %s: %s\n", filename, strerror (errno));
status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
/* Slow path - for some reason the first file in the list is
* not available anymore. This is clearly a problem in the
* database, but we are not going to let this problem be a
* show stopper */
notmuch_filenames_t *filenames;
for (filenames = notmuch_message_get_filenames (message);
notmuch_filenames_valid (filenames);
notmuch_filenames_move_to_next (filenames))
{
filename = notmuch_filenames_get (filenames);
mctx->file = fopen (filename, "r");
if (mctx->file)
break;
}
talloc_free (filenames);
if (! mctx->file) {
/* Give up */
fprintf (stderr, "Error opening %s: %s\n", filename, strerror (errno));
status = NOTMUCH_STATUS_FILE_ERROR;
goto DONE;
}
}
mctx->stream = g_mime_stream_file_new (mctx->file);
if (!mctx->stream) {

1
test/T670-duplicate-mid.sh
View file

@ -39,7 +39,6 @@ test_expect_equal_file EXPECTED OUTPUT
rm ${MAIL_DIR}/copy1
test_begin_subtest 'Deleted first duplicate file does not stop notmuch show from working'
test_subtest_known_broken
output=$(notmuch show --body=false --format=json id:duplicate)
expected='[[[{
"id": "'duplicate'",