terminal-life: use builtin zsh fzf-history-widget

modules/terminal-life/zsh/default.nix

@@ -95,6 +95,5 @@ in
     source ${pkgs.fzf}/share/fzf/completion.zsh
     source ${pkgs.git-bug}/share/zsh/site-functions/git-bug
     eval "$(direnv hook zsh)"
-  ''
-  + builtins.readFile ./fzf.zsh;
+  '';
 }

modules/terminal-life/zsh/fzf.zsh

@@ -1,58 +0,0 @@
-# Use ~~ as the trigger sequence instead of the default **
-export FZF_COMPLETION_TRIGGER='~~'
-
-# Options to fzf command
-export FZF_COMPLETION_OPTS='--border --info=inline'
-
-__fzfcmd() {
-  echo "fzf"
-}
-
-# ctrl+r - Paste the selected command from history into the command line
-fzf-history-widget() {
-  local selected num
-  setopt localoptions noglobsubst noposixbuiltins pipefail HIST_FIND_NO_DUPS 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 redisplay
-  typeset -f zle-line-init >/dev/null && zle zle-line-init
-  return $ret
-}
-zle     -N   fzf-history-widget
-bindkey '^R' fzf-history-widget
-
-# Use fd (https://github.com/sharkdp/fd) instead of the default find
-# command for listing path candidates.
-# - The first argument to the function ($1) is the base path to start traversal
-# - See the source code (completion.{bash,zsh}) for the details.
-_fzf_compgen_path() {
-  fd --hidden --follow --exclude ".git" . "$1"
-}
-
-# Use fd to generate the list for directory completion
-_fzf_compgen_dir() {
-  fd --type d --hidden --follow --exclude ".git" . "$1"
-}
-
-# (EXPERIMENTAL) Advanced customization of fzf options via _fzf_comprun function
-# - The first argument to the function is the name of the command.
-# - You should make sure to pass the rest of the arguments to fzf.
-_fzf_comprun() {
-  local command=$1
-  shift
-
-  case "$command" in
-    cd)           fzf "$@" --preview 'tree -C {} | head -200' ;;
-    export|unset) fzf "$@" --preview "eval 'echo \$'{}" ;;
-    ssh)          fzf "$@" --preview 'dig {}' ;;
-    *)            fzf "$@" ;;
-  esac
-}