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 # toss the redundant copy
     5         kx     rm $NEW
     5         kx   fi
     5         kx   # Otherwise, we leave the .new copy for the admin to consider...
     5         kx }
     5         kx 
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx pre_install() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx post_install() {
     5         kx   # Notice we use an absolute path below, rather than sbin/depmod. This is because
     5         kx   # we're testing to see if we are on the bootdisk, which will not have /sbin/depmod.
     5         kx   # If we aren't, we will signal init to restart using the new binary.
     5         kx   # The presence of "/etc/system-installer" is under consideration as a better test.
     5         kx   # Also we have to check that we are not in the installer mode on the target system
     5         kx   # ("/etc/system-installer"), and we have to be sure that we are on the working system
     5         kx   # on the target hardware ("proc/sys/kernel/osrelease" - relative path).
     5         kx   if [ -r proc/sys/kernel/osrelease -a ! -r /etc/system-installer -a -x /bin/uname -a -x /sbin/depmod ]; then
     5         kx     # Determine the version of the running kernel:
     5         kx     RELEASE=$(uname -r)
     5         kx     ### Update module dependencies ###
     5         kx     # If /usr is mounted and we have 'find', we can try to take a shortcut:
     5         kx     if [ -x /usr/bin/find -a -e /lib/modules/$RELEASE/modules.dep \
     5         kx          -a /lib/modules/$RELEASE/modules.dep -nt /etc/modules.conf ]; then
     5         kx       NEWMODS="$(/usr/bin/find /lib/modules/$RELEASE -mindepth 2 -type f -newer /lib/modules/$RELEASE/modules.dep)"
     5         kx       # Only rebuild dependencies if new module(s) are found:
     5         kx       if [ ! "" = "$NEWMODS" ]; then
     5         kx         echo "Updating module dependencies for Linux $RELEASE:"
     5         kx         /sbin/depmod -a
     5         kx       else
     5         kx         echo "Module dependencies up to date (no new kernel modules found)."
     5         kx       fi
     5         kx     else # we don't have find, or there is no existing modules.dep, or it is out of date.
     5         kx       echo "Updating module dependencies for Linux $RELEASE:"
     5         kx       /sbin/depmod -b / $RELEASE
     5         kx     fi
     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 $*