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+From: Jani Nikula <jani@nikula.org>\r
+To: david@tethera.net, notmuch@notmuchmail.org\r
+Subject: Re: [Patch v3b 1/9] notmuch-dump: add --format=(batch-tag|sup)\r
+In-Reply-To: <1354843607-17980-2-git-send-email-david@tethera.net>\r
+References: <1354843607-17980-1-git-send-email-david@tethera.net>\r
+ <1354843607-17980-2-git-send-email-david@tethera.net>\r
+User-Agent: Notmuch/0.14+138~g7041c56 (http://notmuchmail.org) Emacs/23.4.1\r
+ (i686-pc-linux-gnu)\r
+Date: Sat, 08 Dec 2012 00:21:06 +0200\r
+Message-ID: <8738zhzep9.fsf@nikula.org>\r
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+ ALoCoQldKxD3TeDpGdMB77FlSXb7xnCq0ujcjIB3xYCPn+afTHp3ftyGUBKQ3gilR+jRW9btyd28\r
+Cc: David Bremner <bremner@debian.org>\r
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+\r
+\r
+LGTM.\r
+\r
+On Fri, 07 Dec 2012, david@tethera.net wrote:\r
+> From: David Bremner <bremner@debian.org>\r
+>\r
+> sup is the old format, and remains the default, at least until\r
+> restore is converted to parse this format.\r
+>\r
+> Each line of the batch-tag format is modelled on the syntax of notmuch tag:\r
+> - "notmuch tag" is omitted from the front of the line\r
+> - The dump format only uses query strings of a single message-id.\r
+> - Each space seperated tag/message-id is 'hex-encoded' to remove\r
+> trouble-making characters.\r
+> - It is permitted (and will be useful) for there to be no tags before\r
+> the query.\r
+>\r
+> In particular this format won't have the same problem with e.g. spaces\r
+> in message-ids or tags; they will be round-trip-able.\r
+> ---\r
+> dump-restore-private.h | 13 +++++++++++++\r
+> notmuch-dump.c | 48 ++++++++++++++++++++++++++++++++++++++++++------\r
+> 2 files changed, 55 insertions(+), 6 deletions(-)\r
+> create mode 100644 dump-restore-private.h\r
+>\r
+> diff --git a/dump-restore-private.h b/dump-restore-private.h\r
+> new file mode 100644\r
+> index 0000000..896a004\r
+> --- /dev/null\r
+> +++ b/dump-restore-private.h\r
+> @@ -0,0 +1,13 @@\r
+> +#ifndef DUMP_RESTORE_PRIVATE_H\r
+> +#define DUMP_RESTORE_PRIVATE_H\r
+> +\r
+> +#include "hex-escape.h"\r
+> +#include "command-line-arguments.h"\r
+> +\r
+> +typedef enum dump_formats {\r
+> + DUMP_FORMAT_AUTO,\r
+> + DUMP_FORMAT_BATCH_TAG,\r
+> + DUMP_FORMAT_SUP\r
+> +} dump_format_t;\r
+> +\r
+> +#endif\r
+> diff --git a/notmuch-dump.c b/notmuch-dump.c\r
+> index 88f598a..d2dad40 100644\r
+> --- a/notmuch-dump.c\r
+> +++ b/notmuch-dump.c\r
+> @@ -19,6 +19,7 @@\r
+> */\r
+> \r
+> #include "notmuch-client.h"\r
+> +#include "dump-restore-private.h"\r
+> \r
+> int\r
+> notmuch_dump_command (unused (void *ctx), int argc, char *argv[])\r
+> @@ -43,7 +44,13 @@ notmuch_dump_command (unused (void *ctx), int argc, char *argv[])\r
+> char *output_file_name = NULL;\r
+> int opt_index;\r
+> \r
+> + int output_format = DUMP_FORMAT_SUP;\r
+> +\r
+> notmuch_opt_desc_t options[] = {\r
+> + { NOTMUCH_OPT_KEYWORD, &output_format, "format", 'f',\r
+> + (notmuch_keyword_t []){ { "sup", DUMP_FORMAT_SUP },\r
+> + { "batch-tag", DUMP_FORMAT_BATCH_TAG },\r
+> + { 0, 0 } } },\r
+> { NOTMUCH_OPT_STRING, &output_file_name, "output", 'o', 0 },\r
+> { 0, 0, 0, 0, 0 }\r
+> };\r
+> @@ -83,27 +90,56 @@ notmuch_dump_command (unused (void *ctx), int argc, char *argv[])\r
+> */\r
+> notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);\r
+> \r
+> + char *buffer = NULL;\r
+> + size_t buffer_size = 0;\r
+> +\r
+> for (messages = notmuch_query_search_messages (query);\r
+> notmuch_messages_valid (messages);\r
+> notmuch_messages_move_to_next (messages)) {\r
+> int first = 1;\r
+> + const char *message_id;\r
+> +\r
+> message = notmuch_messages_get (messages);\r
+> + message_id = notmuch_message_get_message_id (message);\r
+> \r
+> - fprintf (output,\r
+> - "%s (", notmuch_message_get_message_id (message));\r
+> + if (output_format == DUMP_FORMAT_SUP) {\r
+> + fprintf (output, "%s (", message_id);\r
+> + }\r
+> \r
+> for (tags = notmuch_message_get_tags (message);\r
+> notmuch_tags_valid (tags);\r
+> notmuch_tags_move_to_next (tags)) {\r
+> - if (! first)\r
+> - fprintf (output, " ");\r
+> + const char *tag_str = notmuch_tags_get (tags);\r
+> \r
+> - fprintf (output, "%s", notmuch_tags_get (tags));\r
+> + if (! first)\r
+> + fputs (" ", output);\r
+> \r
+> first = 0;\r
+> +\r
+> + if (output_format == DUMP_FORMAT_SUP) {\r
+> + fputs (tag_str, output);\r
+> + } else {\r
+> + if (hex_encode (notmuch, tag_str,\r
+> + &buffer, &buffer_size) != HEX_SUCCESS) {\r
+> + fprintf (stderr, "Error: failed to hex-encode tag %s\n",\r
+> + tag_str);\r
+> + return 1;\r
+> + }\r
+> + fprintf (output, "+%s", buffer);\r
+> + }\r
+> }\r
+> \r
+> - fprintf (output, ")\n");\r
+> + if (output_format == DUMP_FORMAT_SUP) {\r
+> + fputs (")\n", output);\r
+> + } else {\r
+> + if (hex_encode (notmuch, message_id,\r
+> + &buffer, &buffer_size) != HEX_SUCCESS) {\r
+> + fprintf (stderr, "Error: failed to hex-encode msg-id %s\n",\r
+> + message_id);\r
+> + return 1;\r
+> + }\r
+> + fprintf (output, " -- id:%s\n", buffer);\r
+> + }\r
+> \r
+> notmuch_message_destroy (message);\r
+> }\r
+> -- \r
+> 1.7.10.4\r
+>\r
+> _______________________________________________\r
+> notmuch mailing list\r
+> notmuch@notmuchmail.org\r
+> http://notmuchmail.org/mailman/listinfo/notmuch\r
projects / notmuch-archives.git / commitdiff