dirsh.zsh

#!/bin/bash

# GistID: 87c59acf3b53cf1911bc6e3a8055afbf

_call_func () {
  declare -f -F "$1" && $1
}

typeset -A _dirsh_cache
_dirsh_hook () {
  [ ${_dirsh_cache["$PWD"]} ] && [ ${_dirsh_cache["$PWD"]} = 1 ] && return
  if [ "$OLDPWD" != "$HOME" ] && [ -f "$OLDPWD/.zshrc" ]; then
    echo "dirsh: unloading"
    source "$OLDPWD/.zshrc" &>/dev/null
    _call_func "_unload" &>/dev/null
    unset -f _load
    unset -f _unload
    _dirsh_cache["$OLDPWD"]=0
  fi
  if [ "$PWD" != "$HOME" ] && [ -f "$PWD/.zshrc" ]; then
    echo "dirsh: loading .zshrc"
    source "$PWD/.zshrc" &>/dev/null
    _call_func "_load" &>/dev/null
    _dirsh_cache["$PWD"]=1
  fi
}
typeset -ag precmd_functions;
if [[ -z ${precmd_functions[_dirsh_hook]} ]]; then
  precmd_functions+=_dirsh_hook
fi