Radix cross Linux

#!/bin/sh
 
# arg 1:  the new package version
pre_install() {
  /bin/true
}
 
# arg 1:  the new package version
post_install() {
  /bin/true
}
 
# arg 1:  the new package version
# arg 2:  the old package version
pre_update() {
  /bin/true
}
 
# arg 1:  the new package version
# arg 2:  the old package version
post_update() {
  post_install
}
 
# arg 1:  the old package version
pre_remove() {
  /bin/true
}
 
# arg 1:  the old package version
post_remove() {
  /bin/true
}
 
 
operation=$1
shift
 
$operation $*