.zsh/rc/base/05_early_functions

   1 # Zshrc function definitions
   2
   3
   4 # {{{ check for version/system
   5 # check for versions (compatibility reasons)
   6 is439(){
   7     [[ $ZSH_VERSION == 4.3.<9->* || $ZSH_VERSION == 4.<4->* || $ZSH_VERSION == <5->* ]] && return 0
   8     return 1
   9 }
  10
  11 #f1# are we running within an utf environment?
  12 isutfenv() {
  13     case "$LANG $CHARSET $LANGUAGE" in
  14         *utf*) return 0 ;;
  15         *UTF*) return 0 ;;
  16         *)     return 1 ;;
  17     esac
  18 }
  19
  20 # check for user, if not running as root set $SUDO to sudo
  21 (( EUID != 0 )) && SUDO='sudo' || SUDO=''
  22
  23 # autoload wrapper - use this one instead of autoload directly
  24 # We need to define this function as early as this, because autoloading
  25 # 'is-at-least()' needs it.
  26 function zrcautoload() {
  27     emulate -L zsh
  28     setopt extended_glob
  29     local fdir ffile
  30     local -i ffound
  31
  32     ffile=$1
  33     (( found = 0 ))
  34     for fdir in ${fpath} ; do
  35         [[ -e ${fdir}/${ffile} ]] && (( ffound = 1 ))
  36     done
  37
  38     (( ffound == 0 )) && return 1
  39     autoload -U ${ffile} || return 1
  40     return 0
  41 }
  42
  43 # Load is-at-least() for more precise version checks
  44 # Note that this test will *always* fail, if the is-at-least
  45 # function could not be marked for autoloading.
  46 zrcautoload is-at-least || is-at-least() { return 1 }
  47
  48 # }}}