bubger.1


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.Dd June 11, 2021
.Dt BUBGER 1
.Os
.
.Sh NAME
.Nm bubger
.Nd IMAP archive generator
.
.Sh SYNOPSIS
.Nm
.Op Fl iqv
.Op Fl A Ar entries
.Op Fl C Ar path
.Op Fl H Ar head
.Op Fl S Ar search
.Op Fl T Ar title
.Op Fl a Ar algo
.Op Fl h Ar host
.Op Fl m Ar addr
.Op Fl p Ar port
.Op Fl s Ar url
.Op Fl u Ar base
.Op Fl w Ar file
.Op Fl y Ar css
.Ar user
.Op Ar mailbox
.
.Sh DESCRIPTION
The
.Nm
utility renders an HTML, Atom and mboxrd archive
of an IMAP mailbox
arranged into threads.
It requires the IMAP THREAD extension.
Partial output is cached and reused
by subsequent runs.
The list of updated paths
is written to standard output.
.
.Pp
The arguments are as follows:
.
.Bl -tag -width Ds
.It Fl A Ar entries
Limit the number of entries
in the index Atom feed.
The default limit is 20.
Thread Atom feeds
always contain all entries.
.
.It Fl C Ar path
Change directory to
.Ar path
before reading and writing files.
.
.It Fl H Ar head
Append the contents of the file
.Ar head
to the
.Sy <head>
element of HTML pages.
.
.It Fl S Ar search
Limit threads to messages matching
.Ar search .
The default search is
.Sy ALL .
.
.It Fl T Ar title
Set the title for the index HTML page and Atom feed.
The default title is the mailbox name.
.
.It Fl a Ar algo
Set the threading algorithm to one of
.Sy ORDEREDSUBJECT
or
.Sy REFERENCES .
The default algorithm is
.Sy REFERENCES .
.
.It Fl h Ar host
Connect to IMAP on
.Ar host .
The default host is determined by
SRV record lookup on the domain name of
.Ar user .
.
.It Fl i
Continually wait for
new messages in the mailbox
using IMAP IDLE.
Writes to
.Pa UIDNEXT
indicate that the
rendered archive
has been updated.
.
.It Fl m Ar addr
Add a
.Dq write
mailto link of
.Ar addr
to the index page navigation.
.
.It Fl p Ar port
Connect to IMAP on
.Ar port .
The default port is
.Sy imaps
.Pq 993 .
TLS without STARTTLS is assumed.
.
.It Fl q
Suppress output of updated paths
and exit non-zero
if the mailbox has not changed.
.
.It Fl s Ar url
Add a
.Dq subscribe
link of
.Ar url
to the index page navigation.
.
.It Fl u Ar base
Set the base URL for links in Atom feeds.
.
.It Fl v
Log IMAP protocol to standard error.
.
.It Fl w Ar file
Read the IMAP password from
.Ar file .
By default the password is set by the
.Ev BUBGER_IMAP_PASSWORD
environment variable.
.
.It Fl y Ar css
Use the stylesheet URL
.Ar css .
The default is an inline stylesheet.
.
.It Ar user
Log in to IMAP as
.Ar user .
.
.It Ar mailbox
Render threads from
.Ar mailbox .
The default mailbox is
.Qq Archive .
.El
.
.Sh ENVIRONMENT
.Bl -tag -width Ds
.It Ev BUBGER_IMAP_PASSWORD
The IMAP password.
.El
.
.Sh FILES
.Bl -tag -width Ds
.It Pa index.atom
Rendered Atom feed of recent messages.
.It Pa index.html
Rendered HTML index of all threads.
.It Pa thread/*.atom , Pa thread/*.html , Pa thread/*.mbox
Rendered Atom, HTML and mboxrd files for each thread.
.It Pa attachment/*/*/*.*
Attached files.
.It Pa message/*.mbox
Rendered mboxrd files for each message.
.It Pa UID/*.atom , Pa UID/*.html , Pa UID/*.mbox
Cached Atom, HTML and mboxrd fragments for each message.
.It Pa UIDNEXT
Stores the next UID of the mailbox.
Remove this file to force re-render
the index page and feed.
.It Pa UIDVALIDITY
Stores the mailbox UID validity.
.El
.
.Sh EXAMPLES
.Bd -literal
bubger -C archive list@example.org |
rsync -a --files-from=- archive example.org:public_html/archive
.Ed
.
.Sh STANDARDS
.Bl -item
.It
.Rs
.%A T. Berners-Lee
.%A L. Masinter
.%A M. McCahill
.%T Uniform Resource Locators (URL)
.%I IETF
.%R RFC 1738
.%U https://tools.ietf.org/html/rfc1738
.%D December 1994
.Re
.It
.Rs
.%A N. Borenstein
.%A N. Freed
.%T Format of Internet Message Bodies
.%I IETF
.%R RFC 2045
.%U https://tools.ietf.org/html/rfc2045
.%D November 1996
.Re
.It
.Rs
.%A M. Crispin
.%T INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
.%I IETF
.%R RFC 3501
.%U https://tools.ietf.org/html/rfc3501
.%D March 2003
.Re
.It
.Rs
.%A M. Crispin
.%A K. Murchison
.%T Internet Message Access Protocol - SORT and THREAD Extensions
.%I IETF
.%R RFC 5256
.%U https://tools.ietf.org/html/rfc5256
.%D June 2008
.Re
.It
.Rs
.%A S. Dorner
.%A K. Moore
.%A R. Troost
.%T The Content-Disposition Header Field
.%I IETF
.%R RFC 2183
.%U https://tools.ietf.org/html/rfc2183
.%D August 1997
.Re
.It
.Rs
.%A L. Esibov
.%A A. Gulbrandsen
.%A P. Vixie
.%T A DNS RR for specifying the location of services (DNS SRV)
.%I IETF
.%R RFC 2782
.%U https://tools.ietf.org/html/rfc2782
.%D February 2000
.Re
.It
.Rs
.%A P. Hoffman
.%A L. Masinter
.%A J. Zawinski
.%T The mailto URL scheme
.%I IETF
.%R RFC 2368
.%U https://tools.ietf.org/html/rfc2368
.%D July 1998
.Re
.It
.Rs
.%A B. Leiba
.%T IMAP4 IDLE command
.%I IETF
.%R RFC 2177
.%U https://tools.ietf.org/html/rfc2177
.%D June 1997
.Re
.It
.Rs
.%A E. Levinson
.%T Content-ID and Message-ID Uniform Resource Locators
.%I IETF
.%R RFC 2392
.%U https://tools.ietf.org/html/rfc2392
.%D August 1998
.Re
.It
.Rs
.%A P. Mockapetris
.%T DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION
.%I IETF
.%R RFC 1035
.%U https://tools.ietf.org/html/rfc1035
.%D November 1987
.Re
.It
.Rs
.%A K. Moore
.%T Message Header Extensions for Non-ASCII Text
.%I IETF
.%R RFC 2047
.%U https://tools.ietf.org/html/rfc2047
.%D November 1996
.Re
.It
.Rs
.%A M. Nottingham
.%A R. Sayre
.%T The Atom Syndication Format
.%I IETF
.%R RFC 4287
.%U https://tools.ietf.org/html/rfc4287
.%D December 2005
.Re
.El
.
.Sh AUTHORS
.An June Bug Aq Mt june@causal.agency
.
.Sh BUGS
Send mail to
.Aq Mt list+bubger@causal.agency .