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post_install() { echo "You may want to do setuid on /bin/busybox" echo " chmod 4555 /bin/busybox" } pre_upgrade() { stat -c %a /bin/busybox >tmp/busybox.upgrade.script } post_upgrade() { [ -f tmp/busybox.upgrade.script ] && chmod `cat tmp/busybox.upgrade.script` /bin/busybox rm -f tmp/busybox.upgrade.script }