Radix cross Linux

     5         kx #!/bin/sh
     5         kx 
     5         kx # Preserve new files
     5         kx install_file() {
     5         kx   NEW="$1"
     5         kx   OLD="`dirname $NEW`/`basename $NEW .new`"
     5         kx   # If there's no file by that name, mv it over:
     5         kx   if [ ! -r $OLD ]; then
     5         kx     mv $NEW $OLD
     5         kx   elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then
     5         kx     # toss the redundant copy:
     5         kx     rm $NEW
     5         kx   fi
     5         kx   # Otherwise, we leave the .new copy for the admin to consider...
     5         kx }
     5         kx 
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx pre_install() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx post_install() {
     5         kx   # Keep same perms on rc.serial.new:
     5         kx   if [ -e etc/rc.d/rc.serial ]; then
     5         kx     cp -a etc/rc.d/rc.serial etc/rc.d/rc.serial.new.incoming
     5         kx     cat etc/rc.d/rc.serial.new > etc/rc.d/rc.serial.new.incoming
     5         kx     mv etc/rc.d/rc.serial.new.incoming etc/rc.d/rc.serial.new
     5         kx   fi
     5         kx 
     5         kx   install_file etc/rc.d/rc.serial.new
     5         kx   install_file etc/rc.d/rc.setterm.new
     5         kx   install_file etc/serial.conf.new
     5         kx 
     5         kx   for cfgfile in chfn.new chsh.new login.new runuser.new runuser-l.new su.new su-l.new ; do
     5         kx     if [ -r etc/pam.d/$cfgfile ]; then
     5         kx       install_file etc/pam.d/$cfgfile
     5         kx     fi
     5         kx   done
     5         kx 
     5         kx   if [ -r etc/default/su.new ]; then
     5         kx     install_file etc/default/su.new
     5         kx   fi
     5         kx 
     5         kx 
     5         kx   # We use an relative path to 'proc/sys/kernel/osrelease' because we have to be sure
     5         kx   # that we are running on the target platform. Only in this case we will use
     5         kx   # absolute path to coreutils ('/bin/chgrp' and '/bin/chmod') and we have to check
     5         kx   # is the coreutils already installed.
     5         kx   if [ -r proc/sys/kernel/osrelease -a -x /bin/chgrp -a -x /bin/chmod ]; then
     5         kx     /bin/chgrp tty /usr/bin/wall
     5         kx     /bin/chmod g+s /usr/bin/wall
     5         kx     /bin/chgrp tty /usr/bin/write
     5         kx     /bin/chmod g+s /usr/bin/write
     5         kx   fi
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx pre_update() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx post_update() {
     5         kx   post_install
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx pre_remove() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx post_remove() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx 
     5         kx operation=$1
     5         kx shift
     5         kx 
     5         kx $operation $*