zsh/tools/check_for_upgrade.sh

   1 #!/bin/sh
   2
   3 function _current_epoch() {
   4   echo $(($(date +%s) / 60 / 60 / 24))
   5 }
   6
   7 function _update_zsh_update() {
   8   echo "LAST_EPOCH=$(_current_epoch)" > ~/.zsh-update
   9 }
  10
  11 function _upgrade_zsh() {
  12   /usr/bin/env ZSH=$ZSH /bin/sh $ZSH/tools/upgrade.sh
  13   # update the zsh file
  14   _update_zsh_update
  15 }
  16
  17 epoch_target=$UPDATE_ZSH_DAYS
  18 if [[ -z "$epoch_target" ]]; then
  19   # Default to old behavior
  20   epoch_target=13
  21 fi
  22
  23 if [ -f ~/.zsh-update ]
  24 then
  25   . ~/.zsh-update
  26
  27   if [[ -z "$LAST_EPOCH" ]]; then
  28     _update_zsh_update && return 0;
  29   fi
  30
  31   epoch_diff=$(($(_current_epoch) - $LAST_EPOCH))
  32   if [ $epoch_diff -gt $epoch_target ]
  33   then
  34     if [ "$DISABLE_UPDATE_PROMPT" = "true" ]
  35     then
  36       _upgrade_zsh
  37     else
  38       echo "[Oh My Zsh] Would you like to check for updates?"
  39       echo "Type Y to update oh-my-zsh: \c"
  40       read line
  41       if [ "$line" = Y ] || [ "$line" = y ]; then
  42         _upgrade_zsh
  43       else
  44         _update_zsh_update
  45       fi
  46     fi
  47   fi
  48 else
  49   # create the zsh file
  50   _update_zsh_update
  51 fi
  52