muttrc

# ~/.muttrc <via stub>: Mutt configuration

### Mail storage

# Default expansion of + or = prefixes
set folder="imaps://mail.nullroute.lt/"
# Folder to open on startup (shortcut "!")
set spoolfile="+INBOX"
# Folder to copy sent messages to (shortcut "<")
# Can be set to "^" to use the current folder
set record="+Sent"
# Folder to save drafts to
set postponed="+Drafts"

# 2019-10-25 grawity: In current NeoMutt, 'mailboxes' takes effect immediately,
# so it must be called only after the authentication-related options and hooks
# have been set.

account-hook "^imaps?://imap\.ietf\.org/$" \
	'set imap_user="anonymous" imap_pass="anonymous"'

account-hook "^imaps?://mail\.nullroute\.lt/" \
	'set imap_user="grawity" imap_authenticators="GSSAPI"'

account-hook "^imaps?://imap\.gmail\.com/" \
	'set imap_user="grawity@gmail.com" imap_authenticators="OAUTHBEARER" imap_oauth_refresh_command="gmail-oauth"'

# When "mutt -e 'set folder=...'" is used to access other accounts, we need to
# re-evaluate the expansions in $record and $postponed.
account-hook "^imaps?://mail\.utenos-kolegija\.lt/" \
	'set record="+Sent" postponed="+Drafts"'

# Note: If folder-hook patterns start with ^ or @, they will be treated as
# shortcut expansions and not as regexes. Put the regex in parens to avoid
# this. (See also section 6.2 "Mailbox Matching in Hooks".)

set connect_timeout=10
set mail_check=10
set timeout=20
set imap_headers="X-BOGOSITY X-PRIORITY AUTHENTICATION-RESULTS"
set imap_authenticators="GSSAPI:GS2-KRB5:PLAIN"
set imap_idle

# http://dev.mutt.org/trac/ticket/3242 – bug with . → /
set imap_delim_chars="/"

# Fetch subscribed folders and add them to 'mailboxes'. (Necessary for sidebar,
# which only lists those folders which are in 'mailboxes'.)
set imap_check_subscribed

# When browsing folders, only list subscribed folders by default.
set imap_list_subscribed

# Use CONDSTORE (RFC 7162) for the initial message list
# 2020-10-10: Commented out as it's not yet available in Debian's ancient neomutt
#set imap_condstore

# Use QRESYNC (RFC 7162) for the initial message list
# (Note: Requires header caching.)
# 2021-04-18: Commented out both CONDSTORE and QRESYNC as they seem to result in
#             neomutt showing duplicate messages when external updates occur.
#set imap_qresync

# Automatically expunge when leaving mailbox or calling '$' (default is to ask)
#set delete

# Prompt when saving to a nonexistent mailbox only
unset confirmappend
set confirmcreate

### General

# The 'L' flag will be shown for messages sent to a "subscribed" list (but not
# for other known lists).
#
# <list-reply> will work for all known lists.
#
# If $followup_to is set, messages to a known list will have Mail-Followup-To:
# added -- only the list's own address for "subscribed" lists; the list *and*
# the sender for other (unsubscribed) lists.
subscribe ".*@computer\.rip$"
subscribe ".*@freelists\.org$"
subscribe ".*@lists\.freedesktop\.org$"
lists ".*@freelists\.org$"
lists ".*@lists\.archlinux\.org$"
lists ".*@lists\.freedesktop\.org$"

# Assume it's a subscribed message if it has "List-Post:" headers (requires
# fetching them from IMAP server)
set auto_subscribe

### Composing

set realname="Mantas Mikulėnas"
#set from="grawity@nullroute.lt"
set from="grawity@gmail.com"

# Don't reply-all to own addresses
alternates "^(grawity|mantas)(\\+.+)?@nullroute\.lt$"
alternates "^grawity(\\+.+)?@gmail\.com$"
alternates "^mantas(:.+)?@u(tenos-)?kolegija\.lt$"

# If 'To:' matches alternates, reply from that address instead.
set reverse_name

# Reply via Gmail if message is to a known list
#reply-hook ~l 'set from="grawity@gmail.com"'
set edit_headers

# Pass '-f $from' to sendmail (allows msmtp to auto-detect the account to use)
set use_envelope_from

### Index (message list) view

# Old-style Mutt configuration
set sort=threads
# Mutt 2.2 or later (http://www.mutt.org/relnotes/2.2/)
#set sort=threads sort_thread_groups=last-date
# NeoMutt 20211015 or later (https://neomutt.org/feature/use-threads)
#set use_threads=yes sort=date
# NeoMutt - sort threads by last activity, not by start date, so that
# old threads with new activity don't drown.
#set use_threads=yes sort=last-date

# Don't auto-collapse threads if they have unread messages
unset collapse_unread

#folder-hook . 'push <collapse-all>'
# note: collapse is confusing as 'T' does not tag collapsed child-messages

# Automatically apply actions to all tagged messages without pressing <;>
set auto_tag

# Names defined via 'alias' override displayed sender name
#set reverse_alias

### Message view

ignore *
unignore From: Subject: To: Cc: Date: Reply-To:
unignore Newsgroups:
unignore X-Mailer:
unignore User-Agent:
unignore X-Bogosity:
hdr_order Date From To Cc Subject

set pager_index_lines=6
set pager_context=3
set search_context=3
unset markers
set smart_wrap
set tilde

# other auto_view types are conditional in muttrc.sh
auto_view message/disposition-notification
auto_view message/feedback-report

unset digest_collapse

# Decode RFC2047-encoded "=?foo?Q?bar?=" attachment filenames (which are
# produced by MS Outlook, contrary to the spec).
set rfc2047_parameters=yes

### Generic appearance

unset beep
set beep_new

# Disable sleeping for 1s after certain messages, most importantly after the
# "SSL/TLS connection using TLSv1" message on startup.
set sleep_time=0

set menu_context=10
set menu_scroll

set status_on_top
set status_format="─── Folder %f (%?M?%M/?%m messages%?n?, %n new/unseen?%?o?, %o old/unread?%?d?, %d deleted?) %*─ %P ───"
set compose_format="─── Composing (%l in %a parts) %*──"
set pager_format="─── Message %C of %m: \"%s\" %*── %P ───"
# Hide footer with basic keyboard shortcuts
unset help

# Set terminal window (Debian patches)
set xterm_set_titles

# Set window title (Neomutt)
set ts_enabled=yes
set ts_status_format="Mutt %f (%?M?%M/?%m messages%?n?, %n new/unseen?%?o?, %o old/unread?)"

#set sidebar_visible
set sidebar_format = "%B%?F? [%F]?%* %?N?%N/?%S"
set sidebar_sort_method = "path"

set quote_regexp="^([ \t]*[|>:}#])+"	# default
set quote_regexp="^([|>#] ?)+|^[A-Z][a-z]+>"
# It seems to be impossible to accept both ">>>" and "> > >" without the former
# skipping through levels. (Also, "Foo>" will randomly skip levels depending on
# name width.)
# "Higher levels of quoting may be colored differently ("color quoted1", "color
#  quoted2", etc.). The quoting level is determined by removing the last
#  character from the matched text and recursively reapplying the regular
#  expression until it fails to produce a match."

spam "^X-Bogosity: Spam,.* spamicity=([0-9.]+)"		"bogus"
spam "^X-Bogosity: Unsure,.* spamicity=([0-9.]+)"	"unsure"
spam "^Authentication-Results: [^;]+; spf=softfail"	"spf?"
spam "^Authentication-Results: [^;]+; spf=fail"		"spf!"
#spam "^Authentication-Results: [^;]+; dkim=fail"	"dkim!"
spam "^Authentication-Results: [^;]+; dmarc=fail"	"dmarc!"

# See 3.169 index_format
#   %?fmt?ifnonzero&ifzero?
#   %<fmt?ifnonzero&ifzero>
set my_index_left="%4C %Z %-18.18F"
#   %4C - message number [4]
#   %Z - status flags [always 3]
#   %-18.8F - author (or recipient) name
set my_index_mid="%s"
#   %s - subject
set my_index_r1="%<g? {%g}>"
set my_index_r2="%<H? {%H}>"
set my_index_r3="%<M? ‣ %M>"
set my_index_right="$my_index_r1$my_index_r2$my_index_r3"
#   %g - IMAP labels
#   %H - spam flags
#   %M - number of messages in collapsed thread
set my_d1="%[ %b %d, %H:%M]"	# today
set my_d2="%[ %b %d, %H:%M]"	# this month
set my_d3="%[ %b %d, %H:%M]"	# this year
set my_d4="%[   %Y %b %d]"		# older
set my_index_date="%<[y?%<[m?%<[d?$my_d1&$my_d2>&$my_d3>&$my_d4>"
#   %@foo@ - index_format_hook
#   %{fmt} - strftime in sender's time zone
#   %[fmt] - strftime in local time zone
set index_format="$my_index_left│$my_index_mid%* $my_index_right│$my_index_date "
#   %*␣ - expand pad with spaces


# XXX Neomutt stuff
# --------------------------------------------------------------------------
# Replace some tags with icons
# tag-transforms tag transformed-string { tag transformed-string ...}
# tag-transforms "inbox"   "i"   \
#                "unread"  "u"   \
#                "replied" "↻ "  \
#                "sent"    "➥ "  \
#                "todo"    "T"   \
#                "deleted" "DEL" \
#                "invites" "CAL"
#
# The formats must start with 'G' and the entire sequence is case sensitive.
# tag-formats tag format-string { tag format-string ...}
# tag-formats "inbox"   "GI" \
#             "unread"  "GU" \
#             "replied" "GR" \
#             "sent"    "GS" \
#             "todo"    "Gt" \
#             "deleted" "GD" \
#             "invites" "Gi"
#
# Now instead of using '%g' or '%J' in your $index_format, which lists all tags
# in a non-deterministic order, you can something like the following which puts
# a transformed tag name in a specific spot on the index line:
# set index_format='%4C %S %[%y.%m.%d] %-18.18n %?GU?%GU& ? %?GR?%GR& ? %?GI?%GI& ? %s'

### Keybindings

bind generic,pager ,w what-key

bind index,pager <S-Up> previous-entry	# [<Up> is previous-undeleted]
bind index,pager <S-Down> next-entry	# [<Down> is next-undeleted]
bind index,pager <C-Up> previous-thread
bind index,pager <C-Down> next-thread
bind index,pager <Delete> delete-message
macro index,pager a "<save-message>=Archive\n"
macro index,pager \cA "<save-message>~/mbox\n"
macro index,pager A "<copy-message>~/mbox\n"
bind index,pager c copy-message
bind index,pager C change-folder
macro index,pager <Esc>i "<enter-command>unset wait_key\n<pipe-message>gpg --import |& tig\n<enter-command>set wait_key\n"
bind index,pager S copy-message

# Edit the IMAP flags (default is to edit X-Label)
bind index,pager Y modify-tags

bind index ! flag-message
bind index G last-entry
macro index * "<tag-pattern>.\n"
macro index ^ "<tag-entry><previous-entry><previous-entry>"
bind index \\ collapse-thread

macro index ,l "<limit>all\n"
macro index <Esc>l "<limit>all\n"

bind pager \' previous-line		# [symmetric with <Enter>]
bind pager \\ previous-line		# [symmetric with <Enter>]
bind pager G bottom

bind pager <Esc>n noop
bind pager <Esc>p check-traditional-pgp

# Backspace 'quits' Mutt or 'exits' pager
bind index \c? quit
bind pager \c? exit

# Sidebar
bind index,pager <A-Up> sidebar-prev
bind index,pager <A-Down> sidebar-next
bind index,pager <A-Left> sidebar-toggle-visible
bind index,pager <A-Right> sidebar-open
#macro index,pager <A-Up> "<sidebar-prev><sidebar-open>"
#macro index,pager <A-Down> "<sidebar-next><sidebar-open>"
bind index,pager <A-Prev> sidebar-page-up
bind index,pager <A-Next> sidebar-page-down

# Sidebar, for Windows Terminal which doesn't do Alt+Arrows
bind index,pager <C-Up> sidebar-prev
bind index,pager <C-Down> sidebar-next
bind index,pager <C-Left> sidebar-toggle-visible
bind index,pager <C-Right> sidebar-open
bind index,pager <C-Prev> sidebar-page-up
bind index,pager <C-Next> sidebar-page-down

# <Home> and <End> in some weird-ass terminals, perhaps.
#bind index <Esc>[1~ first-entry
#bind index <Esc>[4~ last-entry
#bind pager <Esc>[1~ top
#bind pager <Esc>[4~ bottom
#macro generic,index,pager <Esc>f "<enter-command>set from=grawity@"
#macro index,pager ,h "<copy-message>=Spam/ham"
#macro index,pager ,s "<copy-message>=Spam/spam"

folder-hook . '\
bind index,pager d delete-message;\
bind index,pager D delete-message;\
bind index,pager \cD delete-thread'

#folder-hook '/spam/' '\
#bind index,pager d delete-message;\
#bind index,pager D delete-message;\
#bind index,pager \cD delete-thread'

account-hook '^imaps?://' 'macro index . "<imap-fetch-mail><refresh>"'