readme.install


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post_install() {
 echo '-----------------------------------------------------------------------'
 echo '1) Invoke by issuing a `checkip` and following setup instructions.'
 echo
 echo '2) Be sure to add an entry to your users crontab to have the script run'
 echo '   at some regular interval.'
 echo
 echo '   Edit your users crontab by typing: crontab -e'
 echo '   Examples'
 echo '   Once per hour:      0 * * * *   /usr/bin/checkip c &>/dev/null'
 echo '   Every four hours:   0 */4 * * * /usr/bin/checkip c &>/dev/null'
 echo '-----------------------------------------------------------------------'
}

post_remove() {
 echo '-----------------------------------------------------------------------'
 echo '          Be sure you remove the entry in your users crontab.'
 echo '-----------------------------------------------------------------------'
}

post_upgrade() {
  ## arg 1:  the new package version
  ## arg 2:  the old package version
  oldpkgver=${2%-*}
  #newpkgver=${1%-*}

  if [[ $oldpkgver < 3.00 ]]; then
		echo '--> Support for mailx (s-nail/heirloom) is now included in checkip.'
    echo '--> You MUST update your $HOME/.config/checkip/checkip.conf now!'
    echo '--> See /usr/share/checkip/checkip.conf.skel for an example'
		echo '--> or use a diff util like vimdiff to merge your existing config.'
  else
    /bin/true
  fi

	if [[ $oldpkgver < 3.04 ]]; then
		echo '--> Support for a configured MTA is now included in checkip.'
    echo '--> You MUST update your $HOME/.config/checkip/checkip.conf now!'
    echo '--> See /usr/share/checkip/checkip.conf.skel for an example'
		echo '--> or use a diff util like vimdiff to merge your existing config.'
  else
    /bin/true
  fi
}