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post_install () {
local kernel_version=${1%.*}
if [ ! -e /usr/lib/modules/extramodules-$kernel_version-ARCH/version ]; then
ln -sf /usr/lib/modules/extramodules-$kernel_version-ARCH/version-$1 \
/usr/lib/modules/extramodules-$kernel_version-ARCH/version
fi
}
post_upgrade() {
local new_kernel_version=${1%.*} old_kernel_version=${2%.*}
local f=/usr/lib/modules/extramodules-$old_kernel_version-ARCH/version
if [ $new_kernel_version != $old_kernel_version ]; then
post_remove $2
post_install $1
elif [ ! -L $f -a ! -e $f -o "$(readlink $f)" = "$f-$2" ]; then
# `version` does not exists in any form or is a link to previous kernel
ln -sf $f-$1 $f
fi
}
post_remove() {
local kernel_version=${1%.*}
if [ "$(readlink /usr/lib/modules/extramodules-$kernel_version-ARCH/version)" = \
/usr/lib/modules/extramodules-$kernel_version-ARCH/version-$1 ]; then
rm /usr/lib/modules/extramodules-$kernel_version-ARCH/version
fi
}
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