fzf as local as it gets

2025-08-28 19:42:43 +00:00 · 2020-02-01 23:05:45 +01:00
parent e21f5533b6
commit d112f01dbf
3 changed files with 293 additions and 2 deletions
--- a/.fzf.zsh
+++ b/.fzf.zsh
@@ -6,8 +6,8 @@ fi

 # Auto-completion
 # ---------------
-[[ $- == *i* ]] && source "/usr/local/opt/fzf/shell/completion.zsh" 2> /dev/null
+[[ $- == *i* ]] && source "~/.fzf_completion.zsh" 2> /dev/null

 # Key bindings
 # ------------
-source "/usr/local/opt/fzf/shell/key-bindings.zsh"
+source "~/.fzf_key-bindings.zsh"
--- a/.fzf_completion.zsh
+++ b/.fzf_completion.zsh
@@ -0,0 +1,205 @@
+#     ____      ____
+#    / __/___  / __/
+#   / /_/_  / / /_
+#  / __/ / /_/ __/
+# /_/   /___/_/-completion.zsh
+#
+# - $FZF_TMUX               (default: 0)
+# - $FZF_TMUX_HEIGHT        (default: '40%')
+# - $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 "$1" -print 2> /dev/null | sed 's@^\./@@'
+  }
+fi
+
+###########################################################
+
+__fzfcmd_complete() {
+  [ -n "$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
+  base=$1
+  lbuf=$2
+  compgen=$3
+  fzf_opts=$4
+  suffix=$5
+  tail=$6
+  fzf="$(__fzfcmd_complete)"
+
+  setopt localoptions nonomatch
+  eval "base=$base"
+  [[ $base = *"/"* ]] && dir="$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 $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$tail"
+      fi
+      zle reset-prompt
+      break
+    fi
+    dir=$(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 > "$1" &
+)
+
+_fzf_complete() {
+  local fifo fzf_opts lbuf fzf matches post
+  fifo="${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 reset-prompt
+  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 $2}}' | sort -u
+  )
+}
+
+_fzf_complete_ssh() {
+  _fzf_complete '+m' "$@" < <(
+    setopt localoptions nonomatch
+    command cat <(cat ~/.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 $2}}' | sort -u
+  )
+}
+
+_fzf_complete_export() {
+  _fzf_complete '-m' "$@" < <(
+    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+=("")
+
+  # When the trigger starts with ';', it becomes a separate token
+  if [[ ${LBUFFER} = *"${tokens[-2]}${tokens[-1]}" ]]; then
+    tokens[-2]="${tokens[-2]}${tokens[-1]}"
+    tokens=(${tokens[0,-2]})
+  fi
+
+  tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
+  # Kill completion (do not require trigger sequence)
+  if [ $cmd = kill -a ${LBUFFER[-1]} = ' ' ]; then
+    fzf="$(__fzfcmd_complete)"
+    matches=$(command 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 reset-prompt
+  # 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
+
+fi
--- a/.fzf_key-bindings.zsh
+++ b/.fzf_key-bindings.zsh
@@ -0,0 +1,86 @@
+# Key bindings
+# ------------
+if [[ $- == *i* ]]; then
+
+# CTRL-T - Paste the selected file path(s) into the command line
+__fsel() {
+  local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type f -print \
+    -o -type d -print \
+    -o -type l -print 2> /dev/null | cut -b3-"}"
+  setopt localoptions pipefail no_aliases 2> /dev/null
+  eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS" $(__fzfcmd) -m "$@" | while read item; do
+    echo -n "${(q)item} "
+  done
+  local ret=$?
+  echo
+  return $ret
+}
+
+__fzf_use_tmux__() {
+  [ -n "$TMUX_PANE" ] && [ "${FZF_TMUX:-0}" != 0 ] && [ ${LINES:-40} -gt 15 ]
+}
+
+__fzfcmd() {
+  __fzf_use_tmux__ &&
+    echo "fzf-tmux -d${FZF_TMUX_HEIGHT:-40%}" || echo "fzf"
+}
+
+fzf-file-widget() {
+  LBUFFER="${LBUFFER}$(__fsel)"
+  local ret=$?
+  zle reset-prompt
+  return $ret
+}
+zle     -N   fzf-file-widget
+bindkey '^T' fzf-file-widget
+
+# Ensure precmds are run after cd
+fzf-redraw-prompt() {
+  local precmd
+  for precmd in $precmd_functions; do
+    $precmd
+  done
+  zle reset-prompt
+}
+zle -N fzf-redraw-prompt
+
+# ALT-C - cd into the selected directory
+fzf-cd-widget() {
+  local cmd="${FZF_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type d -print 2> /dev/null | cut -b3-"}"
+  setopt localoptions pipefail no_aliases 2> /dev/null
+  local dir="$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m)"
+  if [[ -z "$dir" ]]; then
+    zle redisplay
+    return 0
+  fi
+  cd "$dir"
+  unset dir # ensure this doesn't end up appearing in prompt expansion
+  local ret=$?
+  zle fzf-redraw-prompt
+  return $ret
+}
+zle     -N    fzf-cd-widget
+bindkey '\ec' fzf-cd-widget
+
+# CTRL-R - Paste the selected command from history into the command line
+fzf-history-widget() {
+  local selected num
+  setopt localoptions noglobsubst noposixbuiltins pipefail no_aliases 2> /dev/null
+  selected=( $(fc -rl 1 |
+    FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS --query=${(qqq)LBUFFER} +m" $(__fzfcmd)) )
+  local ret=$?
+  if [ -n "$selected" ]; then
+    num=$selected[1]
+    if [ -n "$num" ]; then
+      zle vi-fetch-history -n $num
+    fi
+  fi
+  zle reset-prompt
+  return $ret
+}
+zle     -N   fzf-history-widget
+bindkey '^R' fzf-history-widget
+
+fi