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|
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ completion.zsh
#
# - $FZF_TMUX (default: 0)
# - $FZF_TMUX_OPTS (default: '-d 40%')
# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
[[ -o interactive ]] || return 0
# Both branches of the following `if` do the same thing -- define
# __fzf_completion_options such that `eval $__fzf_completion_options` sets
# all options to the same values they currently have. We'll do just that at
# the bottom of the file after changing options to what we prefer.
#
# IMPORTANT: Until we get to the `emulate` line, all words that *can* be quoted
# *must* be quoted in order to prevent alias expansion. In addition, code must
# be written in a way works with any set of zsh options. This is very tricky, so
# careful when you change it.
#
# Start by loading the builtin zsh/parameter module. It provides `options`
# associative array that stores current shell options.
if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
# This is the fast branch and it gets taken on virtually all Zsh installations.
#
# ${(kv)options[@]} expands to array of keys (option names) and values ("on"
# or "off"). The subsequent expansion# with (j: :) flag joins all elements
# together separated by spaces. __fzf_completion_options ends up with a value
# like this: "options=(shwordsplit off aliases on ...)".
__fzf_completion_options="options=(${(j: :)${(kv)options[@]}})"
else
# This branch is much slower because it forks to get the names of all
# zsh options. It's possible to eliminate this fork but it's not worth the
# trouble because this branch gets taken only on very ancient or broken
# zsh installations.
() {
# That `()` above defines an anonymous function. This is essentially a scope
# for local parameters. We use it to avoid polluting global scope.
'local' '__fzf_opt'
__fzf_completion_options="setopt"
# `set -o` prints one line for every zsh option. Each line contains option
# name, some spaces, and then either "on" or "off". We just want option names.
# Expansion with (@f) flag splits a string into lines. The outer expansion
# removes spaces and everything that follow them on every line. __fzf_opt
# ends up iterating over option names: shwordsplit, aliases, etc.
for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
if [[ -o "$__fzf_opt" ]]; then
# Option $__fzf_opt is currently on, so remember to set it back on.
__fzf_completion_options+=" -o $__fzf_opt"
else
# Option $__fzf_opt is currently off, so remember to set it back off.
__fzf_completion_options+=" +o $__fzf_opt"
fi
done
# The value of __fzf_completion_options here looks like this:
# "setopt +o shwordsplit -o aliases ..."
}
fi
# Enable the default zsh options (those marked with <Z> in `man zshoptions`)
# but without `aliases`. Aliases in functions are expanded when functions are
# defined, so if we disable aliases here, we'll be sure to have no pesky
# aliases in any of our functions. This way we won't need prefix every
# command with `command` or to quote every word to defend against global
# aliases. Note that `aliases` is not the only option that's important to
# control. There are several others that could wreck havoc if they are set
# to values we don't expect. With the following `emulate` command we
# sidestep this issue entirely.
'builtin' 'emulate' 'zsh' && 'builtin' 'setopt' 'no_aliases'
# This brace is the start of try-always block. The `always` part is like
# `finally` in lesser languages. We use it to *always* restore user options.
{
# 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 "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
###########################################################
__fzf_comprun() {
if [[ "$(type _fzf_comprun 2>&1)" =~ function ]]; then
_fzf_comprun "$@"
elif [ -n "${TMUX_PANE-}" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "${FZF_TMUX_OPTS-}" ]; }; then
shift
if [ -n "${FZF_TMUX_OPTS-}" ]; then
fzf-tmux ${(Q)${(Z+n+)FZF_TMUX_OPTS}} -- "$@"
else
fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%} -- "$@"
fi
else
shift
fzf "$@"
fi
}
# Extract the name of the command. e.g. foo=1 bar baz**<tab>
__fzf_extract_command() {
local token tokens
tokens=(${(z)1})
for token in $tokens; do
token=${(Q)token}
if [[ "$token" =~ [[:alnum:]] && ! "$token" =~ "=" ]]; then
echo "$token"
return
fi
done
echo "${tokens[1]}"
}
__fzf_generic_path_completion() {
local base lbuf cmd compgen fzf_opts suffix tail dir leftover matches
base=$1
lbuf=$2
cmd=$(__fzf_extract_command "$lbuf")
compgen=$3
fzf_opts=$4
suffix=$5
tail=$6
setopt localoptions nonomatch
if [[ $base = *'$('* ]] || [[ $base = *'<('* ]] || [[ $base = *'>('* ]] || [[ $base = *':='* ]] || [[ $base = *'`'* ]]; then
return
fi
eval "base=$base" 2> /dev/null || return
[[ $base = *"/"* ]] && dir="$base"
while [ 1 ]; do
if [[ -z "$dir" || -d ${dir} ]]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[ -z "$dir" ] && dir='.'
[ "$dir" != "/" ] && dir="${dir/%\//}"
matches=$(eval "$compgen $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --scheme=path --bind=ctrl-z:ignore ${FZF_DEFAULT_OPTS-} ${FZF_COMPLETION_OPTS-}" __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "$leftover" | while read item; do
item="${item%$suffix}$suffix"
echo -n "${(q)item} "
done)
matches=${matches% }
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches$tail"
fi
zle reset-prompt
break
fi
dir=$(dirname "$dir")
dir=${dir%/}/
done
}
_fzf_path_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_path \
"-m" "" " "
}
_fzf_dir_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_dir \
"" "/" ""
}
_fzf_feed_fifo() (
command rm -f "$1"
mkfifo "$1"
cat <&0 > "$1" &
)
_fzf_complete() {
setopt localoptions ksh_arrays
# Split arguments around --
local args rest str_arg i sep
args=("$@")
sep=
for i in {0..${#args[@]}}; do
if [[ "${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 fifo lbuf cmd matches post
fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$"
lbuf=${rest[0]}
cmd=$(__fzf_extract_command "$lbuf")
post="${funcstack[1]}_post"
type $post > /dev/null 2>&1 || post=cat
_fzf_feed_fifo "$fifo"
matches=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore ${FZF_DEFAULT_OPTS-} ${FZF_COMPLETION_OPTS-} $str_arg" __fzf_comprun "$cmd" "${args[@]}" -q "${(Q)prefix}" < "$fifo" | $post | tr '\n' ' ')
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches"
fi
command rm -f "$fifo"
}
# To use custom hostname lists, override __fzf_list_hosts.
# The function is expected to print hostnames, one per line as well as in the
# desired sorting and with any duplicates removed, to standard output.
if ! declare -f __fzf_list_hosts > /dev/null; then
__fzf_list_hosts() {
setopt localoptions nonomatch
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 2> /dev/null | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
<(command grep -v '^\s*\(#\|$\)' /etc/hosts 2> /dev/null | command grep -Fv '0.0.0.0') |
awk '{if (length($2) > 0) {print $2}}' | sort -u
}
fi
_fzf_complete_telnet() {
_fzf_complete +m -- "$@" < <(__fzf_list_hosts)
}
# The first and the only argument is the LBUFFER without the current word that contains the trigger.
# The current word without the trigger is in the $prefix variable passed from the caller.
_fzf_complete_ssh() {
local tokens=(${(z)1})
case
|