Moved from github

1 files changed, 329 insertions, 0 deletions

diff --git a/.config/zsh/plugins/fzf-completion.zsh b/.config/zsh/plugins/fzf-completion.zsh
new file mode 100644
index 0000000..f12afca
--- /dev/null
+++ b/.config/zsh/plugins/fzf-completion.zsh
@@ -0,0 +1,329 @@
+#     ____      ____
+#    / __/___  / __/
+#   / /_/_  / / /_
+#  / __/ / /_/ __/
+# /_/   /___/_/ completion.zsh
+#
+# - $FZF_TMUX               (default: 0)
+# - $FZF_TMUX_OPTS          (default: '-d 40%')
+# - $FZF_COMPLETION_TRIGGER (default: '**')
+# - $FZF_COMPLETION_OPTS    (default: empty)
+
+# 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.
+'emulate' 'zsh' '-o' '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.
+{
+
+# Bail out if not interactive shell.
+[[ -o interactive ]] || return 0
+
+# 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=$6
+
+  setopt localoptions nonomatch
+  eval "base=$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 --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" __fzf_comprun "$cmd" ${(Q)${(Z+n+)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 > "$1" &
+)
+
+_fzf_complete() {
+  setopt localoptions ksh_arrays
+  # Split arguments around --
+  local args rest str_arg i sep
+  args=("$@")
+  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 "$fifo"
+}
+
+_fzf_complete_telnet() {
+  _fzf_complete +m -- "$@" < <(
+    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 <(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 | 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_complete_kill() {
+  _fzf_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
+    command ps -ef | sed 1d
+  )
+}
+
+_fzf_complete_kill_post() {
+  awk '{print $2}'
+}
+
+fzf-completion() {
+  local tokens cmd prefix trigger tail matches lbuf d_cmds
+  setopt localoptions noshwordsplit noksh_arrays noposixbuiltins
+
+  # http://zsh.sourceforge.net/FAQ/zshfaq03.html
+  # http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
+  tokens=(${(z)LBUFFER})
+  if [ ${#tokens} -lt 1 ]; then
+    zle ${fzf_default_completion:-expand-or-complete}
+    return
+  fi
+
+  cmd=$(__fzf_extract_command "$LBUFFER")
+
+  # Explicitly allow for empty trigger.
+  trigger=${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
+
+  lbuf=$LBUFFER
+  tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
+  # Kill completion (do not require trigger sequence)
+  if [ "$cmd" = kill -a ${LBUFFER[-1]} = ' ' ]; then
+    tail=$trigger
+    tokens+=$trigger
+    lbuf="$lbuf$trigger"
+  fi
+
+  # Trigger sequence given
+  if [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then
+    d_cmds=(${=FZF_COMPLETION_DIR_COMMANDS:-cd pushd rmdir})
+
+    [ -z "$trigger"      ] && prefix=${tokens[-1]} || prefix=${tokens[-1]:0:-${#trigger}}
+    [ -n "${tokens[-1]}" ] && lbuf=${lbuf:0:-${#tokens[-1]}}
+
+    if eval "type _fzf_complete_${cmd} > /dev/null"; then
+      prefix="$prefix" eval _fzf_complete_${cmd} ${(q)lbuf}
+      zle reset-prompt
+    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
+
+} always {
+  # Restore the original options.
+  eval $__fzf_completion_options
+  'unset' '__fzf_completion_options'
+}