stow/oh-my-zsh/.oh-my-zsh/plugins/dirpersist/dirpersist.plugin.zsh

   1 # Save dirstack history to .zdirs
   2 # adapted from:
   3 # github.com/grml/grml-etc-core/blob/master/etc/zsh/zshrc#L1547
   4
   5 DIRSTACKSIZE=${DIRSTACKSIZE:-20}
   6 dirstack_file=${dirstack_file:-${HOME}/.zdirs}
   7
   8 if [[ -f ${dirstack_file} ]] && [[ ${#dirstack[*]} -eq 0 ]] ; then
   9   dirstack=( ${(f)"$(< $dirstack_file)"} )
  10   # "cd -" won't work after login by just setting $OLDPWD, so
  11   [[ -d $dirstack[1] ]] && cd $dirstack[1] && cd $OLDPWD
  12 fi
  13
  14 autoload -U add-zsh-hook
  15 add-zsh-hook chpwd chpwd_dirpersist
  16 chpwd_dirpersist() {
  17   if (( $DIRSTACKSIZE <= 0 )) || [[ -z $dirstack_file ]]; then return; fi
  18   local -ax my_stack
  19   my_stack=( ${PWD} ${dirstack} )
  20   builtin print -l ${(u)my_stack} >! ${dirstack_file}
  21 }