gistfile1.txt

#
# autoenv alias for 'cd'  (basically conda/nix-shell/virtual-env triggered by cd)
#
# usage: put this in your .bashrc and see magic happening when 'cd'-ing to directories
#

cd(){
  if [[ ! "$(readlink -f "$1")" =~ ^"$(pwd)" ]]; then # if not cd'ing to a subdir
    test -f .env.leave && source .env.leave           # cleanup environment
  fi 
  
  # try running original 'cd' command
  builtin cd ${1:+"$@"} && {
    
    # show [xattr] attributes if any
    getfattr -d . 2>/dev/null | awk 'NR > 1 { print $0 }' 
    
    # run autoenv (setup environment via .env)
    env=$(pwd)/.env
    test -f $env       && source $env               
    
    # run python virtual-env
    test -d venv && source venv/bin/activate
    
    # display available branches if any
    test -d .git && {
      echo "[git] remotes found:"
      git remote -v | grep fetch | awk '{ print "[git] * "$0 }'
      echo ""
    }

    # list directories
    [[ ! $(pwd) =~ "/mnt" ]] && ls              
  }
}