325 lines
10 KiB
Bash
325 lines
10 KiB
Bash
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# ____ ____
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# / __/___ / __/
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# / /_/_ / / /_
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# / __/ / /_/ __/
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# /_/ /___/_/ completion.zsh
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#
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# - $FZF_TMUX (default: 0)
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# - $FZF_TMUX_OPTS (default: '-d 40%')
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# - $FZF_COMPLETION_TRIGGER (default: '**')
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# - $FZF_COMPLETION_OPTS (default: empty)
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# Both branches of the following `if` do the same thing -- define
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# __fzf_completion_options such that `eval $__fzf_completion_options` sets
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# all options to the same values they currently have. We'll do just that at
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# the bottom of the file after changing options to what we prefer.
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#
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# IMPORTANT: Until we get to the `emulate` line, all words that *can* be quoted
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# *must* be quoted in order to prevent alias expansion. In addition, code must
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# be written in a way works with any set of zsh options. This is very tricky, so
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# careful when you change it.
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#
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# Start by loading the builtin zsh/parameter module. It provides `options`
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# associative array that stores current shell options.
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if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
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# This is the fast branch and it gets taken on virtually all Zsh installations.
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#
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# ${(kv)options[@]} expands to array of keys (option names) and values ("on"
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# or "off"). The subsequent expansion# with (j: :) flag joins all elements
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# together separated by spaces. __fzf_completion_options ends up with a value
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# like this: "options=(shwordsplit off aliases on ...)".
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__fzf_completion_options="options=(${(j: :)${(kv)options[@]}})"
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else
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# This branch is much slower because it forks to get the names of all
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# zsh options. It's possible to eliminate this fork but it's not worth the
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# trouble because this branch gets taken only on very ancient or broken
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# zsh installations.
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() {
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# That `()` above defines an anonymous function. This is essentially a scope
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# for local parameters. We use it to avoid polluting global scope.
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'local' '__fzf_opt'
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__fzf_completion_options="setopt"
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# `set -o` prints one line for every zsh option. Each line contains option
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# name, some spaces, and then either "on" or "off". We just want option names.
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# Expansion with (@f) flag splits a string into lines. The outer expansion
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# removes spaces and everything that follow them on every line. __fzf_opt
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# ends up iterating over option names: shwordsplit, aliases, etc.
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for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
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if [[ -o "$__fzf_opt" ]]; then
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# Option $__fzf_opt is currently on, so remember to set it back on.
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__fzf_completion_options+=" -o $__fzf_opt"
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else
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# Option $__fzf_opt is currently off, so remember to set it back off.
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__fzf_completion_options+=" +o $__fzf_opt"
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fi
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done
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# The value of __fzf_completion_options here looks like this:
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# "setopt +o shwordsplit -o aliases ..."
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}
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fi
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# Enable the default zsh options (those marked with <Z> in `man zshoptions`)
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# but without `aliases`. Aliases in functions are expanded when functions are
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# defined, so if we disable aliases here, we'll be sure to have no pesky
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# aliases in any of our functions. This way we won't need prefix every
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# command with `command` or to quote every word to defend against global
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# aliases. Note that `aliases` is not the only option that's important to
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# control. There are several others that could wreck havoc if they are set
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# to values we don't expect. With the following `emulate` command we
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# sidestep this issue entirely.
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'emulate' 'zsh' '-o' 'no_aliases'
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# This brace is the start of try-always block. The `always` part is like
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# `finally` in lesser languages. We use it to *always* restore user options.
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{
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# Bail out if not interactive shell.
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[[ -o interactive ]] || return 0
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# To use custom commands instead of find, override _fzf_compgen_{path,dir}
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if ! declare -f _fzf_compgen_path > /dev/null; then
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_fzf_compgen_path() {
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echo "$1"
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command find -L "$1" \
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-name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
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-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
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}
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fi
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if ! declare -f _fzf_compgen_dir > /dev/null; then
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_fzf_compgen_dir() {
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command find -L "$1" \
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-name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
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-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
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}
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fi
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###########################################################
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__fzf_comprun() {
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if [[ "$(type _fzf_comprun 2>&1)" =~ function ]]; then
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_fzf_comprun "$@"
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elif [ -n "${TMUX_PANE-}" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "${FZF_TMUX_OPTS-}" ]; }; then
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shift
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if [ -n "${FZF_TMUX_OPTS-}" ]; then
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fzf-tmux ${(Q)${(Z+n+)FZF_TMUX_OPTS}} -- "$@"
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else
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fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%} -- "$@"
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fi
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else
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shift
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fzf "$@"
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fi
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}
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# Extract the name of the command. e.g. foo=1 bar baz**<tab>
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__fzf_extract_command() {
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local token tokens
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tokens=(${(z)1})
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for token in $tokens; do
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token=${(Q)token}
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if [[ "$token" =~ [[:alnum:]] && ! "$token" =~ "=" ]]; then
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echo "$token"
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return
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fi
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done
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echo "${tokens[1]}"
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}
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__fzf_generic_path_completion() {
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local base lbuf cmd compgen fzf_opts suffix tail dir leftover matches
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base=$1
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lbuf=$2
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cmd=$(__fzf_extract_command "$lbuf")
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compgen=$3
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fzf_opts=$4
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suffix=$5
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tail=$6
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setopt localoptions nonomatch
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eval "base=$base"
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[[ $base = *"/"* ]] && dir="$base"
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while [ 1 ]; do
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if [[ -z "$dir" || -d ${dir} ]]; then
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leftover=${base/#"$dir"}
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leftover=${leftover/#\/}
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[ -z "$dir" ] && dir='.'
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[ "$dir" != "/" ] && dir="${dir/%\//}"
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matches=$(eval "$compgen $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore ${FZF_DEFAULT_OPTS-} ${FZF_COMPLETION_OPTS-}" __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "$leftover" | while read item; do
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item="${item%$suffix}$suffix"
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echo -n "${(q)item} "
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done)
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matches=${matches% }
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if [ -n "$matches" ]; then
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LBUFFER="$lbuf$matches$tail"
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fi
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zle reset-prompt
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break
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fi
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dir=$(dirname "$dir")
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dir=${dir%/}/
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done
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}
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_fzf_path_completion() {
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__fzf_generic_path_completion "$1" "$2" _fzf_compgen_path \
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"-m" "" " "
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}
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_fzf_dir_completion() {
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__fzf_generic_path_completion "$1" "$2" _fzf_compgen_dir \
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"" "/" ""
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}
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_fzf_feed_fifo() (
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command rm -f "$1"
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mkfifo "$1"
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cat <&0 > "$1" &
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)
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_fzf_complete() {
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setopt localoptions ksh_arrays
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# Split arguments around --
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local args rest str_arg i sep
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args=("$@")
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sep=
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for i in {0..${#args[@]}}; do
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if [[ "${args[$i]-}" = -- ]]; then
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sep=$i
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break
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fi
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done
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if [[ -n "$sep" ]]; then
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str_arg=
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rest=("${args[@]:$((sep + 1)):${#args[@]}}")
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args=("${args[@]:0:$sep}")
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else
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str_arg=$1
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args=()
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shift
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rest=("$@")
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fi
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local fifo lbuf cmd matches post
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fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$"
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lbuf=${rest[0]}
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cmd=$(__fzf_extract_command "$lbuf")
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post="${funcstack[1]}_post"
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type $post > /dev/null 2>&1 || post=cat
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_fzf_feed_fifo "$fifo"
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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" | $post | tr '\n' ' ')
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if [ -n "$matches" ]; then
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LBUFFER="$lbuf$matches"
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fi
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command rm -f "$fifo"
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}
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_fzf_complete_telnet() {
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_fzf_complete +m -- "$@" < <(
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command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0' |
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awk '{if (length($2) > 0) {print $2}}' | sort -u
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)
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}
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_fzf_complete_ssh() {
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_fzf_complete +m -- "$@" < <(
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setopt localoptions nonomatch
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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 '[*?%]') \
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<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
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<(command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') |
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awk '{if (length($2) > 0) {print $2}}' | sort -u
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)
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}
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_fzf_complete_export() {
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_fzf_complete -m -- "$@" < <(
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declare -xp | sed 's/=.*//' | sed 's/.* //'
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)
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}
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_fzf_complete_unset() {
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_fzf_complete -m -- "$@" < <(
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declare -xp | sed 's/=.*//' | sed 's/.* //'
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)
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}
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_fzf_complete_unalias() {
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_fzf_complete +m -- "$@" < <(
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alias | sed 's/=.*//'
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)
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}
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_fzf_complete_kill() {
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_fzf_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
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command ps -ef | sed 1d
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)
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}
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_fzf_complete_kill_post() {
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awk '{print $2}'
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}
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fzf-completion() {
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local tokens cmd prefix trigger tail matches lbuf d_cmds
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setopt localoptions noshwordsplit noksh_arrays noposixbuiltins
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# http://zsh.sourceforge.net/FAQ/zshfaq03.html
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# http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
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tokens=(${(z)LBUFFER})
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if [ ${#tokens} -lt 1 ]; then
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zle ${fzf_default_completion:-expand-or-complete}
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return
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fi
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cmd=$(__fzf_extract_command "$LBUFFER")
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# Explicitly allow for empty trigger.
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trigger=${FZF_COMPLETION_TRIGGER-'**'}
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[ -z "$trigger" -a ${LBUFFER[-1]} = ' ' ] && tokens+=("")
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# When the trigger starts with ';', it becomes a separate token
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if [[ ${LBUFFER} = *"${tokens[-2]-}${tokens[-1]}" ]]; then
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tokens[-2]="${tokens[-2]-}${tokens[-1]}"
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tokens=(${tokens[0,-2]})
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fi
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lbuf=$LBUFFER
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tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
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# Trigger sequence given
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if [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then
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d_cmds=(${=FZF_COMPLETION_DIR_COMMANDS:-cd pushd rmdir})
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[ -z "$trigger" ] && prefix=${tokens[-1]} || prefix=${tokens[-1]:0:-${#trigger}}
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[ -n "${tokens[-1]}" ] && lbuf=${lbuf:0:-${#tokens[-1]}}
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if eval "type _fzf_complete_${cmd} > /dev/null"; then
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prefix="$prefix" eval _fzf_complete_${cmd} ${(q)lbuf}
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zle reset-prompt
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elif [ ${d_cmds[(i)$cmd]} -le ${#d_cmds} ]; then
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_fzf_dir_completion "$prefix" "$lbuf"
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else
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_fzf_path_completion "$prefix" "$lbuf"
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fi
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# Fall back to default completion
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else
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zle ${fzf_default_completion:-expand-or-complete}
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fi
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}
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[ -z "$fzf_default_completion" ] && {
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binding=$(bindkey '^I')
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[[ $binding =~ 'undefined-key' ]] || fzf_default_completion=$binding[(s: :w)2]
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unset binding
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}
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zle -N fzf-completion
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bindkey '^I' fzf-completion
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} always {
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# Restore the original options.
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eval $__fzf_completion_options
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'unset' '__fzf_completion_options'
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}
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