This adds a --output=with-ids option which gives similar output to the
normal search summary output but with a list of message ids
too. Currently this is not implemented for text format.
---
 notmuch-search.c |   40 ++++++++++++++++++++++++++++++++++++++--
 1 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/notmuch-search.c b/notmuch-search.c
index 830c4e4..82e168c 100644
--- a/notmuch-search.c
+++ b/notmuch-search.c
@@ -26,7 +26,8 @@ typedef enum {
     OUTPUT_THREADS,
     OUTPUT_MESSAGES,
     OUTPUT_FILES,
-    OUTPUT_TAGS
+    OUTPUT_TAGS,
+    OUTPUT_SUMMARY_WITH_IDS
 } output_t;

 static char *
@@ -46,6 +47,23 @@ sanitize_string (const void *ctx, const char *str)
     return out;
 }

+static void
+output_msg_ids (sprinter_t *format,
+               notmuch_bool_t matching,
+               notmuch_messages_t *messages)
+{
+    notmuch_message_t *message;
+    for (;
+        notmuch_messages_valid (messages);
+        notmuch_messages_move_to_next (messages))
+    {
+       message = notmuch_messages_get (messages);
+       if (notmuch_message_get_flag (message, NOTMUCH_MESSAGE_FLAG_MATCH) == 
matching)
+           format->string (format, notmuch_message_get_message_id (message));
+       output_msg_ids (format, matching, notmuch_message_get_replies 
(message));
+    }
+}
+
 static int
 do_search_threads (sprinter_t *format,
                   notmuch_query_t *query,
@@ -88,7 +106,7 @@ do_search_threads (sprinter_t *format,
            format->string (format,
                            notmuch_thread_get_thread_id (thread));
            format->separator (format);
-       } else { /* output == OUTPUT_SUMMARY */
+       } else { /* output == OUTPUT_SUMMARY or OUTPUT_SUMMARY_WITH_IDS */
            void *ctx_quote = talloc_new (thread);
            const char *authors = notmuch_thread_get_authors (thread);
            const char *subject = notmuch_thread_get_subject (thread);
@@ -160,6 +178,18 @@ do_search_threads (sprinter_t *format,
                printf (")");

            format->end (format);
+
+       if (output == OUTPUT_SUMMARY_WITH_IDS) {
+           format->map_key (format, "matching_msg_ids");
+           format->begin_list (format);
+           output_msg_ids (format, TRUE, notmuch_thread_get_toplevel_messages 
(thread));
+           format->end (format);
+           format->map_key (format, "nonmatching_msg_ids");
+           format->begin_list (format);
+           output_msg_ids (format, FALSE, notmuch_thread_get_toplevel_messages 
(thread));
+           format->end (format);
+       }
+
            format->end (format);
            format->separator (format);
        }
@@ -323,6 +353,7 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
                                  { "messages", OUTPUT_MESSAGES },
                                  { "files", OUTPUT_FILES },
                                  { "tags", OUTPUT_TAGS },
+                                 { "with-ids", OUTPUT_SUMMARY_WITH_IDS },
                                  { 0, 0 } } },
         { NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
           (notmuch_keyword_t []){ { "true", EXCLUDE_TRUE },
@@ -398,6 +429,11 @@ notmuch_search_command (void *ctx, int argc, char *argv[])
            notmuch_query_set_omit_excluded (query, FALSE);
     }

+    if (output == OUTPUT_SUMMARY_WITH_IDS && format_sel == 
NOTMUCH_FORMAT_TEXT) {
+       fprintf (stderr, "Warning: --output=with-ids not implemented for text 
format.\n");
+       output = OUTPUT_SUMMARY;
+    }
+
     switch (output) {
     default:
     case OUTPUT_SUMMARY:
-- 
1.7.9.1

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