[notmuch] [PATCH 1/2] notmuch-show: limit display to only matching messages
Carl Worth
cworth at cworth.org
Wed Dec 2 16:19:28 PST 2009
On Fri, 27 Nov 2009 21:49:39 -0500, Bart Trojanowski <bart at jukie.net> wrote:
> This patch changes the default behaviour of notmuch show to display only
> messages that match the search expression. However, --entire-thread
> option is provided to display all messages in threads that matched the
> search expression.
>
> It is deemed that will be more useful for human users on the command line.
> Scripts can be modified to include the --entire-thread option so that they
> can display all messages once more.
Thanks Bart.
I've now applied this as well as your following patch to make vim call
"notmuch show" with the --entire-thread option. I also added support to
the emacs client to do the same, and I updated the notmuch man page to
document the option.
Finally, I noticed that not passing the --entire-thread option caused
"notmuch show" to lose all nesting and thread-ordering characteristics,
(even if display the entire thread incidentally). This came from calling
notmuch_query_search_messages (which doesn't do any threading) rather
than notmuch_query_search_threads. So I committed the patch below which
causes it to once again call search_threads and simply not display any
messages that don't match the search when called without
--entire-thread.
I'll be glad if you have any comments to share.
-Carl
commit e1cb6126cc7f66cf71df8880c798f4d0f9d2e411
Author: Carl Worth <cworth at cworth.org>
Date: Wed Dec 2 16:05:23 2009 -0800
notmuch show: Preserve thread-ordering and nesting without --entire-thread
When "notmuch show" was recently modified to not show an entire thread
by default, it also lost all capability to properly order the messages
in a thread and to print their proper depth. For example, the command:
notmuch show thread:6d5e3e276461188c5778c9f219f63782
had dramatically different output than:
notmuch show --entire-thread thread:6d5e3e276461188c5778c9f219f63782
even though both commands were selecting and displaying the same set
of messages. The first command would diplay them "flat", (all with
depth:0), and in strict date order; while the second command would
display them "nested" (with depth based on threading), and in thread
order.
We now fix "notmuch show" without the --entire-thread option to also
display nested and thread-ordered messages.
If some messages in the thread are not included in the displayed
results, then they are not counted when computing depth values.
diff --git a/notmuch-show.c b/notmuch-show.c
index 60339d0..376aacd 100644
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -184,9 +184,12 @@ show_message (void *ctx, notmuch_message_t *message, int indent)
static void
-show_messages (void *ctx, notmuch_messages_t *messages, int indent)
+show_messages (void *ctx, notmuch_messages_t *messages, int indent,
+ notmuch_bool_t entire_thread)
{
notmuch_message_t *message;
+ notmuch_bool_t match;
+ int next_indent;
for (;
notmuch_messages_has_more (messages);
@@ -194,9 +197,17 @@ show_messages (void *ctx, notmuch_messages_t *messages, int indent)
{
message = notmuch_messages_get (messages);
- show_message (ctx, message, indent);
+ match = notmuch_message_get_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH);
- show_messages (ctx, notmuch_message_get_replies (message), indent + 1);
+ next_indent = indent;
+
+ if (match || entire_thread) {
+ show_message (ctx, message, indent);
+ next_indent = indent + 1;
+ }
+
+ show_messages (ctx, notmuch_message_get_replies (message),
+ next_indent, entire_thread);
notmuch_message_destroy (message);
}
@@ -257,29 +268,21 @@ notmuch_show_command (void *ctx, unused (int argc), unused (char *argv[]))
return 1;
}
- if (!entire_thread) {
- messages = notmuch_query_search_messages (query);
- if (messages == NULL)
- INTERNAL_ERROR ("No messages.\n");
- show_messages (ctx, messages, 0);
-
- } else {
- for (threads = notmuch_query_search_threads (query);
- notmuch_threads_has_more (threads);
- notmuch_threads_advance (threads))
- {
- thread = notmuch_threads_get (threads);
+ for (threads = notmuch_query_search_threads (query);
+ notmuch_threads_has_more (threads);
+ notmuch_threads_advance (threads))
+ {
+ thread = notmuch_threads_get (threads);
- messages = notmuch_thread_get_toplevel_messages (thread);
+ messages = notmuch_thread_get_toplevel_messages (thread);
- if (messages == NULL)
- INTERNAL_ERROR ("Thread %s has no toplevel messages.\n",
- notmuch_thread_get_thread_id (thread));
+ if (messages == NULL)
+ INTERNAL_ERROR ("Thread %s has no toplevel messages.\n",
+ notmuch_thread_get_thread_id (thread));
- show_messages (ctx, messages, 0);
+ show_messages (ctx, messages, 0, entire_thread);
- notmuch_thread_destroy (thread);
- }
+ notmuch_thread_destroy (thread);
}
notmuch_query_destroy (query);
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