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Diffstat (limited to 'zsh/.zsh/fzf_completion.zsh')
| -rw-r--r-- | zsh/.zsh/fzf_completion.zsh | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/zsh/.zsh/fzf_completion.zsh b/zsh/.zsh/fzf_completion.zsh new file mode 100644 index 0000000..d3e64d8 --- /dev/null +++ b/zsh/.zsh/fzf_completion.zsh @@ -0,0 +1,199 @@ +#!/bin/zsh +# ____ ____ +# / __/___ / __/ +# / /_/_ / / /_ +# / __/ / /_/ __/ +# /_/ /___/_/-completion.zsh +# +# - $FZF_TMUX (default: 0) +# - $FZF_TMUX_HEIGHT (default: '40%') +# - $FZF_COMPLETION_TRIGGER (default: '**') +# - $FZF_COMPLETION_OPTS (default: empty) + +# 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 .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 .svn -prune -o -type d \ + -a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@' + } +fi + +########################################################### + +__fzfcmd_complete() { + [ -n "$TMUX_PANE" ] && [ "${FZF_TMUX:-0}" != 0 ] && [ ${LINES:-40} -gt 15 ] && + echo "fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}" || echo "fzf" +} + +__fzf_generic_path_completion() { + local base lbuf compgen fzf_opts suffix tail fzf dir leftover matches + # (Q) flag removes a quoting level: "foo\ bar" => "foo bar" + base=${(Q)1} + lbuf=$2 + compgen=$3 + fzf_opts=$4 + suffix=$5 + tail=$6 + fzf="$(__fzfcmd_complete)" + + setopt localoptions nonomatch + dir="$base" + while [ 1 ]; do + if [[ -z "$dir" || -d ${~dir} ]]; then + leftover=${base/#"$dir"} + leftover=${leftover/#\/} + [ -z "$dir" ] && dir='.' + [ "$dir" != "/" ] && dir="${dir/%\//}" + dir=${~dir} + matches=$(eval "$compgen $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" ${=fzf} ${=fzf_opts} -q "$leftover" | while read item; do + echo -n "${(q)item}$suffix " + done) + matches=${matches% } + if [ -n "$matches" ]; then + LBUFFER="$lbuf$matches$tail" + fi + zle redisplay + typeset -f zle-line-init >/dev/null && zle zle-line-init + break + fi + dir=$(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 > "$1" & +) + +_fzf_complete() { + local fifo fzf_opts lbuf fzf matches post + fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$" + fzf_opts=$1 + lbuf=$2 + post="${funcstack[2]}_post" + type $post > /dev/null 2>&1 || post=cat + + fzf="$(__fzfcmd_complete)" + + _fzf_feed_fifo "$fifo" + matches=$(cat "$fifo" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" ${=fzf} ${=fzf_opts} -q "${(Q)prefix}" | $post | tr '\n' ' ') + if [ -n "$matches" ]; then + LBUFFER="$lbuf$matches" + fi + zle redisplay + typeset -f zle-line-init >/dev/null && zle zle-line-init + command rm -f "$fifo" +} + +_fzf_complete_telnet() { + _fzf_complete '+m' "$@" < <( + command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0' | + awk '{if (length($2) > 0) {print $2}}' | sort -u + ) +} + +_fzf_complete_ssh() { + _fzf_complete '+m' "$@" < <( + command cat <(cat ~/.ssh/config /etc/ssh/ssh_config 2> /dev/null | command grep -i '^host' | command grep -v '*' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}') \ + <(command grep -oE '^[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | awk '{ print $1 " " $1 }') \ + <(command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') | + awk '{if (length($2) > 0) {print $2}}' | sort -u + ) +} + +_fzf_complete_export() { + _fzf_complete '-m' "$@" < <( + declare -xp | sed 's/=.*//' | sed 's/.* //' + ) +} + +_fzf_complete_unset() { + _fzf_complete '-m' "$@" < <( + declare -xp | sed 's/=.*//' | sed 's/.* //' + ) +} + +_fzf_complete_unalias() { + _fzf_complete '+m' "$@" < <( + alias | sed 's/=.*//' + ) +} + +fzf-completion() { + local tokens cmd prefix trigger tail fzf matches lbuf d_cmds + setopt localoptions noshwordsplit noksh_arrays noposixbuiltins + + # http://zsh.sourceforge.net/FAQ/zshfaq03.html + # http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags + tokens=(${(z)LBUFFER}) + if [ ${#tokens} -lt 1 ]; then + zle ${fzf_default_completion:-expand-or-complete} + return + fi + + cmd=${tokens[1]} + + # Explicitly allow for empty trigger. + trigger=${FZF_COMPLETION_TRIGGER-'**'} + [ -z "$trigger" -a ${LBUFFER[-1]} = ' ' ] && tokens+=("") + + tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))} + # Kill completion (do not require trigger sequence) + if [ $cmd = kill -a ${LBUFFER[-1]} = ' ' ]; then + fzf="$(__fzfcmd_complete)" + matches=$(ps -ef | sed 1d | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-50%} --min-height 15 --reverse $FZF_DEFAULT_OPTS --preview 'echo {}' --preview-window down:3:wrap $FZF_COMPLETION_OPTS" ${=fzf} -m | awk '{print $2}' | tr '\n' ' ') + if [ -n "$matches" ]; then + LBUFFER="$LBUFFER$matches" + fi + zle redisplay + typeset -f zle-line-init >/dev/null && zle zle-line-init + # Trigger sequence given + elif [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then + d_cmds=(${=FZF_COMPLETION_DIR_COMMANDS:-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" + fi + # Fall back to default completion + else + zle ${fzf_default_completion:-expand-or-complete} + fi +} + +[ -z "$fzf_default_completion" ] && { + binding=$(bindkey '^I') + [[ $binding =~ 'undefined-key' ]] || fzf_default_completion=$binding[(s: :w)2] + unset binding +} + +zle -N fzf-completion +bindkey '^I' fzf-completion |