From: David Bremner <brem...@debian.org>

The main motivation here is allow the fast dumping of tag data for
messages having certain tags.  In practice it seems too slow to pipe
dump to grep.
---
 notmuch-dump.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/notmuch-dump.c b/notmuch-dump.c
index 610144e..ac5d074 100644
--- a/notmuch-dump.c
+++ b/notmuch-dump.c
@@ -30,6 +30,7 @@ notmuch_dump_command (unused (void *ctx), int argc, char 
*argv[])
     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)
@@ -56,7 +57,15 @@ notmuch_dump_command (unused (void *ctx), int argc, char 
*argv[])
        argv++;
     }

-    query = notmuch_query_create (notmuch, "");
+    if (argc) {
+       query_str = query_string_from_args (notmuch, argc, argv);
+       if (query_str == NULL) {
+           fprintf (stderr, "Out of memory.\n");
+           return 1;
+       }
+    }
+ 
+    query = notmuch_query_create (notmuch, query_str);
     if (query == NULL) {
        fprintf (stderr, "Out of memory\n");
        return 1;
-- 
1.7.6.3

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