fzf/shell/completion.zsh

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#!/bin/zsh
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/-completion.zsh
#
# - $FZF_TMUX (default: 1)
# - $FZF_TMUX_HEIGHT (default: '40%')
# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
__fzf_generic_path_completion() {
local base lbuf find_opts fzf_opts suffix tail fzf dir leftover matches nnm
# (Q) flag removes a quoting level: "foo\ bar" => "foo bar"
base=${(Q)1}
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lbuf=$2
find_opts=$3
fzf_opts=$4
suffix=$5
tail=$6
[ ${FZF_TMUX:-1} -eq 1 ] && fzf="fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%}" || fzf="fzf"
if ! setopt | \grep nonomatch > /dev/null; then
nnm=1
setopt nonomatch
fi
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dir="$base"
while [ 1 ]; do
if [ -z "$dir" -o -d ${~dir} ]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[ "$dir" = './' ] && dir=''
dir=${~dir}
matches=$(\find -L $dir* ${=find_opts} 2> /dev/null | ${=fzf} ${=FZF_COMPLETION_OPTS} ${=fzf_opts} -q "$leftover" | while read item; do
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printf "%q$suffix " "$item"
done)
matches=${matches% }
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches$tail"
fi
zle redisplay
break
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fi
dir=$(dirname "$dir")
dir=${dir%/}/
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done
[ -n "$nnm" ] && unsetopt nonomatch
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}
_fzf_path_completion() {
__fzf_generic_path_completion "$1" "$2" \
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"-name .git -prune -o -name .svn -prune -o -type d -print -o -type f -print -o -type l -print" \
"-m" "" " "
}
_fzf_dir_completion() {
__fzf_generic_path_completion "$1" "$2" \
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"-name .git -prune -o -name .svn -prune -o -type d -print" \
"" "/" ""
}
_fzf_feed_fifo() (
rm -f "$fifo"
mkfifo "$fifo"
cat <&0 > "$fifo" &
)
_fzf_complete() {
local fifo fzf_opts lbuf fzf matches
fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$"
fzf_opts=$1
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lbuf=$2
[ ${FZF_TMUX:-1} -eq 1 ] && fzf="fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%}" || fzf="fzf"
_fzf_feed_fifo "$fifo"
matches=$(cat "$fifo" | ${=fzf} ${=FZF_COMPLETION_OPTS} ${=fzf_opts} -q "${(Q)prefix}" | tr '\n' ' ')
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if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches"
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fi
zle redisplay
rm -f "$fifo"
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}
_fzf_complete_telnet() {
_fzf_complete '+m' "$@" < <(
\grep -v '^\s*\(#\|$\)' /etc/hosts | \grep -Fv '0.0.0.0' |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
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}
_fzf_complete_ssh() {
_fzf_complete '+m' "$@" < <(
cat <(cat ~/.ssh/config /etc/ssh/ssh_config 2> /dev/null | \grep -i '^host' | \grep -v '*') \
<(\grep -v '^\s*\(#\|$\)' /etc/hosts | \grep -Fv '0.0.0.0') |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
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}
_fzf_complete_export() {
_fzf_complete '-m' "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
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}
_fzf_complete_unset() {
_fzf_complete '-m' "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_complete_unalias() {
_fzf_complete '+m' "$@" < <(
alias | sed 's/=.*//'
)
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}
fzf-completion() {
local tokens cmd prefix trigger tail fzf matches lbuf d_cmds
setopt localoptions noshwordsplit
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# http://zsh.sourceforge.net/FAQ/zshfaq03.html
# http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
tokens=(${(z)LBUFFER})
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if [ ${#tokens} -lt 1 ]; then
eval "zle ${fzf_default_completion:-expand-or-complete}"
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return
fi
cmd=${tokens[1]}
# Explicitly allow for empty trigger.
trigger=${FZF_COMPLETION_TRIGGER-'**'}
[ -z "$trigger" -a ${LBUFFER[-1]} = ' ' ] && tokens+=("")
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tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
# Kill completion (do not require trigger sequence)
if [ $cmd = kill -a ${LBUFFER[-1]} = ' ' ]; then
[ ${FZF_TMUX:-1} -eq 1 ] && fzf="fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%}" || fzf="fzf"
matches=$(ps -ef | sed 1d | ${=fzf} ${=FZF_COMPLETION_OPTS} -m | awk '{print $2}' | tr '\n' ' ')
if [ -n "$matches" ]; then
LBUFFER="$LBUFFER$matches"
fi
zle redisplay
# Trigger sequence given
elif [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then
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d_cmds=(cd pushd rmdir)
[ -z "$trigger" ] && prefix=${tokens[-1]} || prefix=${tokens[-1]:0:-${#trigger}}
[ -z "${tokens[-1]}" ] && lbuf=$LBUFFER || lbuf=${LBUFFER:0:-${#tokens[-1]}}
if eval "type _fzf_complete_${cmd} > /dev/null"; then
eval "prefix=\"$prefix\" _fzf_complete_${cmd} \"$lbuf\""
elif [ ${d_cmds[(i)$cmd]} -le ${#d_cmds} ]; then
_fzf_dir_completion "$prefix" "$lbuf"
else
_fzf_path_completion "$prefix" "$lbuf"
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fi
# Fall back to default completion
else
eval "zle ${fzf_default_completion:-expand-or-complete}"
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fi
}
[ -z "$fzf_default_completion" ] &&
fzf_default_completion=$(bindkey '^I' | \grep -v undefined-key | awk '{print $2}')
zle -N fzf-completion
bindkey '^I' fzf-completion