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+ Sat, 16 Jun 2012 03:22:04 -0700 (PDT)\r
+From: Mark Walters <markwalters1009@gmail.com>\r
+To: notmuch@notmuchmail.org\r
+Subject: [Patch v8 2/6] cli: Let json output "null" messages for non\r
+ --entire-thread\r
+Date: Sat, 16 Jun 2012 11:21:43 +0100\r
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+\r
+All formats except Json can output empty messages for non\r
+entire-thread, but in Json format we output "null" to keep the other\r
+elements (e.g. the replies to the omitted message) in the correct\r
+place.\r
+---\r
+ notmuch-client.h | 1 +\r
+ notmuch-show.c | 20 ++++++++++++++++----\r
+ 2 files changed, 17 insertions(+), 4 deletions(-)\r
+\r
+diff --git a/notmuch-client.h b/notmuch-client.h\r
+index 9b63eae..0c17b79 100644\r
+--- a/notmuch-client.h\r
++++ b/notmuch-client.h\r
+@@ -75,6 +75,7 @@ typedef struct notmuch_show_format {\r
+ const struct notmuch_show_params *params);\r
+ const char *message_set_sep;\r
+ const char *message_set_end;\r
++ const char *null_message;\r
+ } notmuch_show_format_t;\r
+ \r
+ typedef struct notmuch_crypto {\r
+diff --git a/notmuch-show.c b/notmuch-show.c\r
+index 8247f1d..b004468 100644\r
+--- a/notmuch-show.c\r
++++ b/notmuch-show.c\r
+@@ -37,7 +37,8 @@ static const notmuch_show_format_t format_json = {\r
+ .message_set_start = "[",\r
+ .part = format_part_json_entry,\r
+ .message_set_sep = ", ",\r
+- .message_set_end = "]"\r
++ .message_set_end = "]",\r
++ .null_message = "null"\r
+ };\r
+ \r
+ static notmuch_status_t\r
+@@ -800,6 +801,15 @@ format_part_raw (unused (const void *ctx), mime_node_t *node,\r
+ }\r
+ \r
+ static notmuch_status_t\r
++show_null_message (const notmuch_show_format_t *format)\r
++{\r
++ /* Output a null message. Currently empty for all formats except Json */\r
++ if (format->null_message)\r
++ printf ("%s", format->null_message);\r
++ return NOTMUCH_STATUS_SUCCESS;\r
++}\r
++\r
++static notmuch_status_t\r
+ show_message (void *ctx,\r
+ const notmuch_show_format_t *format,\r
+ notmuch_message_t *message,\r
+@@ -861,11 +871,13 @@ show_messages (void *ctx,\r
+ if (status && !res)\r
+ res = status;\r
+ next_indent = indent + 1;\r
+-\r
+- if (!status && format->message_set_sep)\r
+- fputs (format->message_set_sep, stdout);\r
++ } else {\r
++ status = show_null_message (format);\r
+ }\r
+ \r
++ if (!status && format->message_set_sep)\r
++ fputs (format->message_set_sep, stdout);\r
++\r
+ status = show_messages (ctx,\r
+ format,\r
+ notmuch_message_get_replies (message),\r
+-- \r
+1.7.9.1\r
+\r