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# mutt completion -*- shell-script -*-
#
# Mutt doesn't have an "addressbook" like Pine, but it has aliases and
# a "query" function to retrieve addresses, so that's what we use here.
# @param $1 (cur) Current word to complete
_comp_cmd_mutt__addresses()
{
_comp_cmd_mutt__aliases "$1"
_comp_cmd_mutt__query "$1"
_comp_compgen -ac "$1" -- -u
}
# Find muttrc to use
# @var[out] REPLY muttrc filename
_comp_cmd_mutt__get_muttrc()
{
REPLY=
# Search COMP_WORDS for '-F muttrc' or '-Fmuttrc' argument
set -- "${words[@]}"
while (($# > 0)); do
if [[ $1 == -F* ]]; then
if ((${#1} > 2)); then
_comp_dequote "${1:2}"
else
shift
[[ ${1-} ]] && _comp_dequote "$1"
fi
break
fi
shift
done
if [[ ! $REPLY ]]; then
if [[ -f ~/.${muttcmd}rc ]]; then
REPLY=\~/.${muttcmd}rc
elif [[ -f ~/.${muttcmd}/${muttcmd}rc ]]; then
REPLY=\~/.${muttcmd}/${muttcmd}rc
fi
fi
}
# Recursively build list of sourced config files
# @param $1... Config file to process
# @var[out] REPLY List of config files
# @return 0 if any conffiles are generated, 1 if none is generated.
_comp_cmd_mutt__get_conffiles()
{
local -a conffiles=()
local -A visited=()
local file
for file; do
_comp_dequote "$file"
_comp_cmd_mutt__get_conffiles__visit "$REPLY"
done
((${#conffiles[@]})) || return 1
REPLY=("${conffiles[@]}")
}
# Recursion function for _comp_cmd_mutt__get_conffiles
# @var[ref] conffiles List of config files found so far
# @var[ref] visited Dictionary of config files already visited
_comp_cmd_mutt__get_conffiles__visit()
{
[[ -f $1 && ${visited[$1]-} != set ]] || return 0
visited[$1]=set
conffiles+=("$1")
local -a newconffiles
_comp_split newconffiles "$(command sed -n 's|^source[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' "$1")" ||
return 0
local file REPLY
for file in "${newconffiles[@]}"; do
_comp_expand_tilde "$file"
_comp_cmd_mutt__get_conffiles__visit "$REPLY"
done
}
# @param $1 (cur) Current word to complete
_comp_cmd_mutt__aliases()
{
local cur=$1 muttrc muttcmd=${words[0]} REPLY
local -a conffiles aliases
_comp_cmd_mutt__get_muttrc
muttrc=$REPLY
[[ ! $muttrc ]] && return
local REPLY
_comp_cmd_mutt__get_conffiles "$muttrc" || return 0
conffiles=("${REPLY[@]}")
_comp_compgen -a split -- "$(command sed -n 's|^alias[[:space:]]\{1,\}\([^[:space:]]\{1,\}\).*$|\1|p' \
"${conffiles[@]}")"
}
# @param $1 (cur) Current word to complete
_comp_cmd_mutt__query()
{
local cur=$1
[[ $cur ]] || return 0
local muttcmd=${words[0]}
local querycmd="$("$muttcmd" -Q query_command 2>/dev/null | command sed -e 's|^query_command=\"\(.*\)\"$|\1|' -e 's|%s|'"$cur"'|')"
if [[ $querycmd ]]; then
local REPLY
_comp_expand_tilde "$querycmd"
querycmd=$REPLY
# generate queryresults:
# $querycmd is expected to be a command with arguments
_comp_compgen -a split -- "$($querycmd |
command sed -n '2,$s|^\([^[:space:]]\{1,\}\).*|\1|p')"
fi
}
# @param $1 (cur) Current word to complete
_comp_cmd_mutt__filedir()
{
local cur=$1 folder muttrc spoolfile muttcmd=${words[0]} REPLY
_comp_cmd_mutt__get_muttrc
muttrc=$REPLY
if [[ $cur == [=+]* ]]; then
folder="$("$muttcmd" -F "$muttrc" -Q folder 2>/dev/null | command sed -e 's|^folder=\"\(.*\)\"$|\1|')"
[[ $folder ]] || folder=~/Mail
# Match any file in $folder beginning with $cur
# (minus the leading '=' sign).
compopt -o filenames
_comp_compgen -c "$folder/${cur:1}" -- -f
COMPREPLY=("${COMPREPLY[@]#"$folder"/}")
return
elif [[ $cur == !* ]]; then
spoolfile="$("$muttcmd" -F "$muttrc" -Q spoolfile 2>/dev/null |
command sed -e 's|^spoolfile=\"\(.*\)\"$|\1|')"
if [[ $spoolfile ]]; then
_comp_dequote "\"$spoolfile\"" && spoolfile=$REPLY
cur=$spoolfile${cur:1}
fi
fi
_comp_compgen -c "$cur" filedir
}
_comp_cmd_mutt()
{
local cur prev words cword comp_args
_comp_initialize -n =+! -- "$@" || return
case $cur in
-*)
_comp_compgen -- -W '-A -a -b -c -e -f -F -H -i -m -n -p -Q -R -s
-v -x -y -z -Z -h'
return
;;
*)
case $prev in
-*[afFHi])
_comp_cmd_mutt__filedir "$cur"
return
;;
-*A)
_comp_cmd_mutt__aliases "$cur"
return
;;
-*[emQshpRvyzZ])
return
;;
*)
_comp_cmd_mutt__addresses "$cur"
return
;;
esac
;;
esac
} &&
complete -F _comp_cmd_mutt -o default mutt muttng neomutt
# ex: filetype=sh
|
