fzf/fzf-completion.bash

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#!/bin/bash
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/-completion.bash
#
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# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
_fzf_orig_completion_filter() {
sed 's/.*-F *\([^ ]*\).* \([^ ]*\)$/export _fzf_orig_completion_\2=\1;/' |
sed 's/[^a-z0-9_= ;]/_/g'
}
_fzf_opts_completion() {
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local cur opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
opts="
-x --extended
-e --extended-exact
-i +i
-n --nth
-d --delimiter
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+s --no-sort
--tac
-m --multi
--no-mouse
+c --no-color
+2 --no-256
--black
--reverse
--prompt
-q --query
-1 --select-1
-0 --exit-0
-f --filter
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--print-query
--sync"
if [[ ${cur} =~ ^-|\+ ]]; then
COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
return 0
fi
return 0
}
_fzf_handle_dynamic_completion() {
local cmd orig ret
cmd="$1"
shift
orig=$(eval "echo \$_fzf_orig_completion_$cmd")
if [ -n "$orig" ] && type "$orig" > /dev/null 2>&1; then
$orig "$@"
elif [ -n "$_fzf_completion_loader" ]; then
_completion_loader "$@"
ret=$?
eval $(complete | \grep "\-F.* $cmd$" | _fzf_orig_completion_filter)
source $BASH_SOURCE
return $ret
fi
}
_fzf_path_completion() {
local cur base dir leftover matches trigger cmd
cmd=$(echo ${COMP_WORDS[0]} | sed 's/[^a-z0-9_=]/_/g')
COMPREPLY=()
trigger=${FZF_COMPLETION_TRIGGER:-**}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ ${cur} == *"$trigger" ]]; then
base=${cur:0:${#cur}-${#trigger}}
eval base=$base
dir="$base"
while [ 1 ]; do
if [ -z "$dir" -o -d "$dir" ]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[ "$dir" = './' ] && dir=''
tput sc
matches=$(find -L "$dir"* $1 2> /dev/null | fzf $FZF_COMPLETION_OPTS $2 -q "$leftover" | while read item; do
printf "%q$3 " "$item"
done)
matches=${matches% }
if [ -n "$matches" ]; then
COMPREPLY=( "$matches" )
else
COMPREPLY=( "$cur" )
fi
tput rc
return 0
fi
dir=$(dirname "$dir")
[[ "$dir" =~ /$ ]] || dir="$dir"/
done
else
shift
shift
shift
_fzf_handle_dynamic_completion "$cmd" "$@"
fi
}
_fzf_list_completion() {
local cur selected trigger cmd src
read -r src
cmd=$(echo ${COMP_WORDS[0]} | sed 's/[^a-z0-9_=]/_/g')
trigger=${FZF_COMPLETION_TRIGGER:-**}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ ${cur} == *"$trigger" ]]; then
cur=${cur:0:${#cur}-${#trigger}}
tput sc
selected=$(eval "$src | fzf $FZF_COMPLETION_OPTS $1 -q '$cur'" | tr '\n' ' ')
selected=${selected% }
tput rc
if [ -n "$selected" ]; then
COMPREPLY=("$selected")
return 0
fi
else
shift
_fzf_handle_dynamic_completion "$cmd" "$@"
fi
}
_fzf_all_completion() {
_fzf_path_completion \
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"-name .git -prune -o -name .svn -prune -o -type d -print -o -type f -print -o -type l -print" \
"-m" "" "$@"
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}
_fzf_file_completion() {
_fzf_path_completion \
"-name .git -prune -o -name .svn -prune -o -type f -print -o -type l -print" \
"-m" "" "$@"
}
_fzf_dir_completion() {
_fzf_path_completion \
"-name .git -prune -o -name .svn -prune -o -type d -print" \
"" "/" "$@"
}
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_fzf_kill_completion() {
[ -n "${COMP_WORDS[COMP_CWORD]}" ] && return 1
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local selected
tput sc
selected=$(ps -ef | sed 1d | fzf -m $FZF_COMPLETION_OPTS | awk '{print $2}' | tr '\n' ' ')
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tput rc
if [ -n "$selected" ]; then
COMPREPLY=( "$selected" )
return 0
fi
}
_fzf_telnet_completion() {
_fzf_list_completion '+m' "$@" << "EOF"
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\grep -v '^\s*\(#\|$\)' /etc/hosts | awk '{if (length($2) > 0) {print $2}}' | sort -u
EOF
}
_fzf_ssh_completion() {
_fzf_list_completion '+m' "$@" << "EOF"
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cat <(cat ~/.ssh/config /etc/ssh/ssh_config 2> /dev/null | \grep -i ^host | \grep -v '*') <(\grep -v '^\s*\(#\|$\)' /etc/hosts) | awk '{print $2}' | sort -u
EOF
}
_fzf_env_var_completion() {
_fzf_list_completion '-m' "$@" << "EOF"
declare -xp | sed 's/=.*//' | sed 's/.* //'
EOF
}
_fzf_alias_completion() {
_fzf_list_completion '-m' "$@" << "EOF"
alias | sed 's/=.*//' | sed 's/.* //'
EOF
}
# fzf options
complete -F _fzf_opts_completion fzf
d_cmds="cd pushd rmdir"
f_cmds="
awk cat diff diff3
emacs ex file ftp g++ gcc gvim head hg java
javac ld less more mvim patch perl python ruby
sed sftp sort source tail tee uniq vi view vim wc"
a_cmds="
basename bunzip2 bzip2 chmod chown curl cp dirname du
find git grep gunzip gzip hg jar
ln ls mv open rm rsync scp
svn tar unzip zip"
x_cmds="kill ssh telnet unset unalias export"
# Preserve existing completion
if [ "$_fzf_completion_loaded" != '0.8.6-1' ]; then
# Really wish I could use associative array but OSX comes with bash 3.2 :(
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eval $(complete | \grep '\-F' | \grep -v _fzf_ |
\grep -E " ($(echo $d_cmds $f_cmds $a_cmds $x_cmds | sed 's/ /|/g' | sed 's/+/\\+/g'))$" | _fzf_orig_completion_filter)
export _fzf_completion_loaded=0.8.6-1
fi
if type _completion_loader > /dev/null 2>&1; then
_fzf_completion_loader=1
fi
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# Directory
for cmd in $d_cmds; do
complete -F _fzf_dir_completion -o nospace -o plusdirs $cmd
done
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# File
for cmd in $f_cmds; do
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complete -F _fzf_file_completion -o default -o bashdefault $cmd
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done
# Anything
for cmd in $a_cmds; do
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complete -F _fzf_all_completion -o default -o bashdefault $cmd
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done
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# Kill completion
complete -F _fzf_kill_completion -o nospace -o default -o bashdefault kill
# Host completion
complete -F _fzf_ssh_completion -o default -o bashdefault ssh
complete -F _fzf_telnet_completion -o default -o bashdefault telnet
# Environment variables / Aliases
complete -F _fzf_env_var_completion -o default -o bashdefault unset
complete -F _fzf_env_var_completion -o default -o bashdefault export
complete -F _fzf_alias_completion -o default -o bashdefault unalias
unset cmd d_cmds f_cmds a_cmds x_cmds