Linux/Ubuntu/Kernel/BuildDebianDKMSPackages: dkms_preprocess

#!/bin/bash
# pre-process DKMS debian templates
# hacked from /usr/sbin/dkms
# Copyright 2008 TJ <ubuntu@tjworld.net>
# Licensed on the terms of the GNU GPL version 2

cp -a /etc/dkms/template-dkms-mkdsc/debian .

dir="${PWD##*/}"
module="${dir%-*}"
debian_package="${module}-dkms"
module_version="${dir##*-}"
date_str="$(date -R)"

echo "Package $debian_package for module $module version $module_version dated $date_str"

pushd debian > /dev/null
for file in $(find . -type f); do
    echo "Modifying ${file##*/}"
    sed -i -e "s/DEBIAN_PACKAGE/$debian_package/g" \
        -e "s/MODULE_NAME/$module/g" \
        -e "s/MODULE_VERSION/$module_version/g" \
        -e "s/DATE_STAMP/$date_str/" "$file"
        if [ "${file%.*}" == "./MOD_NAME" ]; then
                echo "Renaming ${file} to ./${module}.${file##*.}"
                mv "$file" "./${module}.${file##*.}"
        fi
        if [ "${file%.*}" == "./PKG_NAME" ]; then
                echo "Renaming: ${file} to ./${debian_package}.${file##*.}"
                mv "$file" "./${debian_package}.${file##*.}"
        fi
done
popd > /dev/null

echo "Setting executable permissions."
chmod 755 debian/rules debian/${debian_package}.postinst debian/${debian_package}.prerm debian/${debian_package}.postrm
mkdir -p debian/patches