# arg 1:  the new package version
pre_install() {
  /bin/true
}
  
# arg 1:  the new package version
post_install() {
   echo "==> GMT HIGH RESOLUTION AND DCW DATASETS"
   echo "" 
   echo "==> The default installation of GMT contains a low resolution coastline dataset."
   echo "==> For maps at higer resolutions please install the gmt-coast package."
   echo "==> For the digital chart of the world dataset install the gmt-dcw package."
}

# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
    post_install $1
}
      
op=$1
shift
$op $*