separate lf wrapper from zsh config

.config/zsh/configs/bindings

@@ -9,7 +9,7 @@ bindkey -M menuselect 'l' vi-forward-char
 bindkey -M menuselect 'j' vi-down-line-or-history
 
 # Widgets
-bindkey '^e' _lf
+bindkey '^e' _lfwrap
 bindkey '^g' lg
 bindkey -M vicmd v edit-command-line
 

.config/zsh/configs/widgets

@@ -1,45 +1,10 @@
 # vim:set ft=zsh
 
-function lfclean () {
+function _lfwrap () {
-    exec 3>&- 
-    ueberzugpp cmd -s $UB_SOCKET -a exit
-    dir="$(cat "$lftmp")"
-    rm "$lftmp"
-    if [ -d "$dir" ]; then
-        if [ "$dir" != "$(pwd)" ]; then
-            cd "$dir"
-        fi
-    fi
-}
-
-# LF wrapper to allow for ueberzug previews
-function lfwrap () {
-    UB_PID=0
-    UB_SOCKET=""
-    lftmp="/tmp/lfdir.$(uuidgen)"
-    if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
-        command lf -last-dir-path="$lftmp" "$@"
-    else
-        [ ! -d "$XDG_CACHE_HOME/lf" ] && mkdir --parents "$XDG_CACHE_HOME/lf"
-        ubtmp="/tmp/ubpid.$(uuidgen)"
-        {
-            ueberzugpp layer --silent --no-stdin --use-escape-codes --pid-file "$ubtmp"
-            UB_PID=$(cat "$ubtmp")
-            rm "$ubtmp"
-            UB_SOCKET="/tmp/ueberzugpp-${UB_PID}.socket"
-            export UB_PID UB_SOCKET
-        }
-        trap lfclean HUP INT QUIT TERM PWR EXIT
-        command lf -last-dir-path="$lftmp" "$@" 3>&-
-    fi
-    tput cuu1;tput el
-}
-
-function _lf () {
     BUFFER="lfwrap"
     zle accept-line
 }
-zle -N _lf
+zle -N _lfwrap
 
 # Cursor Shape
 function zle-keymap-select () {

.local/bin/lfwrap

@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -e
+
+UB_PID=0
+UB_SOCKET=""
+LF_DIRFILE="/tmp/lfdir.$(uuidgen)"
+UB_PIDFILE="/tmp/ubpid.$(uuidgen)"
+
+clean () {
+    exec 3>&- 
+    ueberzugpp cmd -s "$UB_SOCKET" -a exit
+}
+
+if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ]; then
+    command lf -last-dir-path="$LF_DIRFILE" "$@"
+else
+    [ ! -d "$XDG_CACHE_HOME/lf" ] && mkdir --parents "$XDG_CACHE_HOME/lf"
+    ueberzugpp layer --silent --no-stdin --use-escape-codes --pid-file "$UB_PIDFILE"
+    UB_PID=$(cat "$UB_PIDFILE")
+    UB_SOCKET="/tmp/ueberzugpp-${UB_PID}.socket"
+    rm "$UB_PIDFILE"
+    export UB_PID UB_SOCKET
+    trap clean HUP INT QUIT TERM PWR EXIT
+    command lf -last-dir-path="$LF_DIRFILE" "$@" 3>&-
+fi
+
+dir="$(cat "$LF_DIRFILE")"
+rm "$LF_DIRFILE"
+if [ -d "$dir" ]; then
+    if [ "$dir" != "$(pwd)" ]; then
+        cd "$dir"
+    fi
+fi
+tput cuu1;tput el