From: David Bremner Date: Mon, 2 Jan 2012 19:07:33 +0000 (-0400) Subject: notmuch-{dump,restore}.1: document new format options X-Git-Tag: 0.15_rc1~105 X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=60cd3b9a0623a1cb71a1a1eb440accf9236a41e7;p=notmuch.git notmuch-{dump,restore}.1: document new format options More or less arbitrarily, notmuch-dump.1 gets the more detailed description of the format. --- diff --git a/man/man1/notmuch-dump.1 b/man/man1/notmuch-dump.1 index 230deec2..770b00fc 100644 --- a/man/man1/notmuch-dump.1 +++ b/man/man1/notmuch-dump.1 @@ -5,6 +5,7 @@ notmuch-dump \- creates a plain-text dump of the tags of each message .SH SYNOPSIS .B "notmuch dump" +.RB [ "\-\-format=(sup|batch-tag)" "] [--]" .RI "[ --output=<" filename "> ] [--]" .RI "[ <" search-term ">...]" @@ -19,6 +20,64 @@ recreated from the messages themselves. The output of notmuch dump is therefore the only critical thing to backup (and much more friendly to incremental backup than the native database files.) +.TP 4 +.B \-\-format=(sup|batch-tag) + +Notmuch restore supports two plain text dump formats, both with one message-id +per line, followed by a list of tags. + +.RS 4 +.TP 4 +.B sup + +The +.B sup +dump file format is specifically chosen to be +compatible with the format of files produced by sup-dump. +So if you've previously been using sup for mail, then the +.B "notmuch restore" +command provides you a way to import all of your tags (or labels as +sup calls them). +Each line has the following form + +.RS 4 +.RI < message-id > +.B ( +.RI < tag "> ..." +.B ) + +with zero or more tags are separated by spaces. Note that (malformed) +message-ids may contain arbitrary non-null characters. Note also +that tags with spaces will not be correctly restored with this format. + +.RE + +.RE +.RS 4 +.TP 4 +.B batch-tag + +The +.B batch-tag +dump format is intended to more robust against malformed message-ids +and tags containing whitespace or non-\fBascii\fR(7) characters. +Each line has the form + +.RS 4 +.RI "+<" "encoded-tag" "> " "" "+<" "encoded-tag" "> ... -- " "" " id:<" encoded-message-id > + +where encoded means that every byte not matching the regex +.B [A-Za-z0-9@=.,_+-] +is replace by +.B %nn +where nn is the two digit hex encoding. +The astute reader will notice this is a special case of the batch input +format for \fBnotmuch-tag\fR(1); note that the single message-id query is +mandatory for \fBnotmuch-restore\fR(1). + +.RE + + With no search terms, a dump of all messages in the database will be generated. A "--" argument instructs notmuch that the remaining arguments are search terms. diff --git a/man/man1/notmuch-restore.1 b/man/man1/notmuch-restore.1 index 2fa87337..6bba6286 100644 --- a/man/man1/notmuch-restore.1 +++ b/man/man1/notmuch-restore.1 @@ -6,6 +6,7 @@ notmuch-restore \- restores the tags from the given file (see notmuch dump) .B "notmuch restore" .RB [ "--accumulate" ] +.RB [ "--format=(auto|batch-tag|sup)" ] .RI "[ --input=<" filename "> ]" .SH DESCRIPTION @@ -15,19 +16,51 @@ Restores the tags from the given file (see The input is read from the given filename, if any, or from stdin. -Note: The dump file format is specifically chosen to be + +Supported options for +.B restore +include +.RS 4 +.TP 4 +.B \-\-accumulate + +The union of the existing and new tags is applied, instead of +replacing each message's tags as they are read in from the dump file. + +.RE +.RS 4 +.TP 4 +.B \-\-format=(sup|batch-tag|auto) + +Notmuch restore supports two plain text dump formats, with each line +specifying a message-id and a set of tags. +For details of the actual formats, see \fBnotmuch-dump\fR(1). + +.RS 4 +.TP 4 +.B sup + +The +.B sup +dump file format is specifically chosen to be compatible with the format of files produced by sup-dump. So if you've previously been using sup for mail, then the .B "notmuch restore" command provides you a way to import all of your tags (or labels as sup calls them). -The --accumulate switch causes the union of the existing and new tags to be -applied, instead of replacing each message's tags as they are read in from the -dump file. +.RE +.RS 4 +.TP 4 +.B batch-tag -See \fBnotmuch-search-terms\fR(7) -for details of the supported syntax for . +The +.B batch-tag +dump format is intended to more robust against malformed message-ids +and tags containing whitespace or non-\fBascii\fR(7) characters. This +format hex-escapes all characters those outside of a small character +set, intended to be suitable for e.g. pathnames in most UNIX-like +systems. .B "notmuch restore" updates the maildir flags according to tag changes if the @@ -36,6 +69,20 @@ configuration option is enabled. See \fBnotmuch-config\fR(1) for details. .RE + +.RS 4 +.TP 4 +.B auto + +This option (the default) tries to guess the format from the +input. For correctly formed input in either supported format, this +heuristic, based the fact that batch-tag format contains no parentheses, +should be accurate. + +.RE + +.RE + .SH SEE ALSO \fBnotmuch\fR(1), \fBnotmuch-config\fR(1), \fBnotmuch-count\fR(1),