Making command-not-found support a plugin.

lib/notfound.zsh

@@ -1,23 +0,0 @@
-if (( $+commands[pkgfile] )); then
-  command_not_found_handler() {
-    local pkg p
-    local pid ppid pgrp session tty_nr tpgid
-
-    # double check pkgfile exists
-    [[ ! -x /usr/bin/pkgfile ]] && return 127
-
-    # do not run when within a pipe or subshell
-    [[ ! -t 1  ]] && return 127
-    read pid cmd state ppid pgrp session tty_nr tpgid rest < /proc/self/stat
-    [[ $$ -eq $tpgid ]] && return 127
-
-    saveIFS=$IFS; IFS=$'\n';
-    pkg=($(pkgfile -b -v -- $1))
-    IFS=$saveIFS
-
-    if [[ -z $pkg ]] && return 127
-
-    echo "The command \"$1\" can be found in the following packages:"
-    for p in $pkg; echo "    $p"
-  }
-fi