fzf/shell/completion.bash

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ completion.bash
#
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# - $FZF_TMUX (default: 0)
# - $FZF_TMUX_OPTS (default: empty)
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# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
if [[ $- =~ i ]]; then
# To use custom commands instead of find, override _fzf_compgen_{path,dir}
if ! declare -f _fzf_compgen_path > /dev/null; then
_fzf_compgen_path() {
echo "$1"
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
if ! declare -f _fzf_compgen_dir > /dev/null; then
_fzf_compgen_dir() {
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
###########################################################
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# To redraw line after fzf closes (printf '\e[5n')
bind '"\e[0n": redraw-current-line'
__fzf_comprun() {
if [ "$(type -t _fzf_comprun 2>&1)" = function ]; then
_fzf_comprun "$@"
elif [ -n "$TMUX_PANE" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "$FZF_TMUX_OPTS" ]; }; then
shift
fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- "$@"
else
shift
fzf "$@"
fi
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}
__fzf_orig_completion() {
local l comp f cmd
while read -r l; do
if [[ "$l" =~ ^(.*\ -F)\ *([^ ]*).*\ ([^ ]*)$ ]]; then
comp="${BASH_REMATCH[1]}"
f="${BASH_REMATCH[2]}"
cmd="${BASH_REMATCH[3]}"
[[ "$f" = _fzf_* ]] && continue
printf -v "_fzf_orig_completion_${cmd//[^A-Za-z0-9_]/_}" "%s" "${comp} %s ${cmd} #${f}"
if [[ "$l" = *" -o nospace "* ]] && [[ ! "$__fzf_nospace_commands" = *" $cmd "* ]]; then
__fzf_nospace_commands="$__fzf_nospace_commands $cmd "
fi
fi
done
}
_fzf_opts_completion() {
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local cur prev opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
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prev="${COMP_WORDS[COMP_CWORD-1]}"
opts="
-x --extended
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-e --exact
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--algo
-i +i
-n --nth
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--with-nth
-d --delimiter
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+s --no-sort
--tac
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--tiebreak
-m --multi
--no-mouse
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--bind
--cycle
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--no-hscroll
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--jump-labels
--height
--literal
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--reverse
--margin
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--inline-info
--prompt
--pointer
--marker
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--header
--header-lines
--ansi
--tabstop
--color
--no-bold
--history
--history-size
--preview
--preview-window
-q --query
-1 --select-1
-0 --exit-0
-f --filter
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--print-query
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--expect
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--sync"
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case "${prev}" in
--tiebreak)
COMPREPLY=( $(compgen -W "length begin end index" -- "$cur") )
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return 0
;;
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--color)
COMPREPLY=( $(compgen -W "dark light 16 bw" -- "$cur") )
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return 0
;;
--history)
COMPREPLY=()
return 0
;;
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esac
if [[ "$cur" =~ ^-|\+ ]]; then
COMPREPLY=( $(compgen -W "${opts}" -- "$cur") )
return 0
fi
return 0
}
_fzf_handle_dynamic_completion() {
local cmd orig_var orig ret orig_cmd orig_complete
cmd="$1"
shift
orig_cmd="$1"
orig_var="_fzf_orig_completion_$cmd"
orig="${!orig_var##*#}"
if [ -n "$orig" ] && type "$orig" > /dev/null 2>&1; then
$orig "$@"
elif [ -n "$_fzf_completion_loader" ]; then
orig_complete=$(complete -p "$orig_cmd" 2> /dev/null)
_completion_loader "$@"
ret=$?
# _completion_loader may not have updated completion for the command
if [ "$(complete -p "$orig_cmd" 2> /dev/null)" != "$orig_complete" ]; then
__fzf_orig_completion < <(complete -p "$orig_cmd" 2> /dev/null)
if [[ "$__fzf_nospace_commands" = *" $orig_cmd "* ]]; then
eval "${orig_complete/ -F / -o nospace -F }"
else
eval "$orig_complete"
fi
fi
return $ret
fi
}
__fzf_generic_path_completion() {
local cur base dir leftover matches trigger cmd
cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
COMPREPLY=()
trigger=${FZF_COMPLETION_TRIGGER-'**'}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ "$cur" == *"$trigger" ]]; then
base=${cur:0:${#cur}-${#trigger}}
eval "base=$base"
[[ $base = *"/"* ]] && dir="$base"
while true; do
if [ -z "$dir" ] || [ -d "$dir" ]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
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[ -z "$dir" ] && dir='.'
[ "$dir" != "/" ] && dir="${dir/%\//}"
matches=$(eval "$1 $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $2" __fzf_comprun "$4" -q "$leftover" | while read -r item; do
printf "%q$3 " "$item"
done)
matches=${matches% }
[[ -z "$3" ]] && [[ "$__fzf_nospace_commands" = *" ${COMP_WORDS[0]} "* ]] && matches="$matches "
if [ -n "$matches" ]; then
COMPREPLY=( "$matches" )
else
COMPREPLY=( "$cur" )
fi
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printf '\e[5n'
return 0
fi
dir=$(dirname "$dir")
[[ "$dir" =~ /$ ]] || dir="$dir"/
done
else
shift
shift
shift
_fzf_handle_dynamic_completion "$cmd" "$@"
fi
}
_fzf_complete() {
# Split arguments around --
local args rest str_arg i sep
args=("$@")
sep=
for i in "${!args[@]}"; do
if [[ "${args[$i]}" = -- ]]; then
sep=$i
break
fi
done
if [[ -n "$sep" ]]; then
str_arg=
rest=("${args[@]:$((sep + 1)):${#args[@]}}")
args=("${args[@]:0:$sep}")
else
str_arg=$1
args=()
shift
rest=("$@")
fi
local cur selected trigger cmd post
post="$(caller 0 | awk '{print $2}')_post"
type -t "$post" > /dev/null 2>&1 || post=cat
cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
trigger=${FZF_COMPLETION_TRIGGER-'**'}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ "$cur" == *"$trigger" ]]; then
cur=${cur:0:${#cur}-${#trigger}}
selected=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $str_arg" __fzf_comprun "${rest[0]}" "${args[@]}" -q "$cur" | $post | tr '\n' ' ')
selected=${selected% } # Strip trailing space not to repeat "-o nospace"
if [ -n "$selected" ]; then
COMPREPLY=("$selected")
else
COMPREPLY=("$cur")
fi
printf '\e[5n'
return 0
else
_fzf_handle_dynamic_completion "$cmd" "${rest[@]}"
fi
}
_fzf_path_completion() {
__fzf_generic_path_completion _fzf_compgen_path "-m" "" "$@"
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}
# Deprecated. No file only completion.
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_fzf_file_completion() {
_fzf_path_completion "$@"
}
_fzf_dir_completion() {
__fzf_generic_path_completion _fzf_compgen_dir "" "/" "$@"
}
_fzf_complete_kill() {
local trigger=${FZF_COMPLETION_TRIGGER-'**'}
local cur="${COMP_WORDS[COMP_CWORD]}"
if [[ -z "$cur" ]]; then
COMP_WORDS[$COMP_CWORD]=$trigger
elif [[ "$cur" != *"$trigger" ]]; then
return 1
fi
_fzf_proc_completion "$@"
}
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_fzf_proc_completion() {
_fzf_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
command ps -ef | sed 1d
)
}
_fzf_proc_completion_post() {
awk '{print $2}'
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}
_fzf_host_completion() {
_fzf_complete +m -- "$@" < <(
command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?]') \
<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
<(command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
}
_fzf_var_completion() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_alias_completion() {
_fzf_complete -m -- "$@" < <(
alias | sed 's/=.*//' | sed 's/.* //'
)
}
# fzf options
complete -o default -F _fzf_opts_completion fzf
d_cmds="${FZF_COMPLETION_DIR_COMMANDS:-cd pushd rmdir}"
a_cmds="
awk cat diff diff3
emacs emacsclient ex file ftp g++ gcc gvim head hg java
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javac ld less more mvim nvim patch perl python ruby
sed sftp sort source tail tee uniq vi view vim wc xdg-open
basename bunzip2 bzip2 chmod chown curl cp dirname du
find git grep gunzip gzip hg jar
ln ls mv open rm rsync scp
svn tar unzip zip"
# Preserve existing completion
__fzf_orig_completion < <(complete -p $d_cmds $a_cmds 2> /dev/null)
if type _completion_loader > /dev/null 2>&1; then
_fzf_completion_loader=1
fi
__fzf_defc() {
local cmd func opts orig_var orig def
cmd="$1"
func="$2"
opts="$3"
orig_var="_fzf_orig_completion_${cmd//[^A-Za-z0-9_]/_}"
orig="${!orig_var}"
if [ -n "$orig" ]; then
printf -v def "$orig" "$func"
eval "$def"
else
complete -F "$func" $opts "$cmd"
fi
}
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# Anything
for cmd in $a_cmds; do
__fzf_defc "$cmd" _fzf_path_completion "-o default -o bashdefault"
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done
# Directory
for cmd in $d_cmds; do
__fzf_defc "$cmd" _fzf_dir_completion "-o nospace -o dirnames"
done
# Kill completion (supports empty completion trigger)
complete -F _fzf_complete_kill -o default -o bashdefault kill
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unset cmd d_cmds a_cmds
_fzf_setup_completion() {
local kind fn cmd
kind=$1
fn=_fzf_${1}_completion
if [[ $# -lt 2 ]] || ! type -t "$fn" > /dev/null; then
echo "usage: ${FUNCNAME[0]} path|dir|var|alias|host|proc COMMANDS..."
return 1
fi
shift
__fzf_orig_completion < <(complete -p "$@" 2> /dev/null)
for cmd in "$@"; do
case "$kind" in
dir) __fzf_defc "$cmd" "$fn" "-o nospace -o dirnames" ;;
var) __fzf_defc "$cmd" "$fn" "-o default -o nospace -v" ;;
alias) __fzf_defc "$cmd" "$fn" "-a" ;;
*) __fzf_defc "$cmd" "$fn" "-o default -o bashdefault" ;;
esac
done
}
# Environment variables / Aliases / Hosts
_fzf_setup_completion 'var' export unset
_fzf_setup_completion 'alias' unalias
_fzf_setup_completion 'host' ssh telnet
fi