#!/bin/sh## Copyright 2003 Wichert Akkerman <wichert@wiggy.net>## Simple script to generate a debian/ directory for a Linux kernel. set -e is_enabled() {	grep -q "^CONFIG_$1=y" $KCONFIG_CONFIG} if_enabled_echo() {	if is_enabled "$1"; then		echo -n "$2"	elif [ $# -ge 3 ]; then		echo -n "$3"	fi} set_debarch() {	if [ -n "$KBUILD_DEBARCH" ] ; then		debarch="$KBUILD_DEBARCH"		return	fi 	# Attempt to find the correct Debian architecture	case "$UTS_MACHINE" in	i386|ia64|alpha|m68k|riscv*)		debarch="$UTS_MACHINE" ;;	x86_64)		debarch=amd64 ;;	sparc*)		debarch=sparc$(if_enabled_echo 64BIT 64) ;;	s390*)		debarch=s390x ;;	ppc*)		if is_enabled 64BIT; then			debarch=ppc64$(if_enabled_echo CPU_LITTLE_ENDIAN el)		else			debarch=powerpc$(if_enabled_echo SPE spe)		fi		;;	parisc*)		debarch=hppa ;;	mips*)		if is_enabled CPU_LITTLE_ENDIAN; then			debarch=mips$(if_enabled_echo 64BIT 64)$(if_enabled_echo CPU_MIPSR6 r6)el		elif is_enabled CPU_MIPSR6; then			debarch=mips$(if_enabled_echo 64BIT 64)r6		else			debarch=mips		fi		;;	aarch64|arm64)		debarch=arm64 ;;	arm*)		if is_enabled AEABI; then			debarch=arm$(if_enabled_echo VFP hf el)		else			debarch=arm		fi		;;	openrisc)		debarch=or1k ;;	sh)		if is_enabled CPU_SH3; then			debarch=sh3$(if_enabled_echo CPU_BIG_ENDIAN eb)		elif is_enabled CPU_SH4; then			debarch=sh4$(if_enabled_echo CPU_BIG_ENDIAN eb)		fi		;;	esac	if [ -z "$debarch" ]; then		debarch=$(dpkg-architecture -qDEB_HOST_ARCH)		echo "" >&2		echo "** ** **  WARNING  ** ** **" >&2		echo "" >&2		echo "Your architecture doesn't have its equivalent" >&2		echo "Debian userspace architecture defined!" >&2		echo "Falling back to the current host architecture ($debarch)." >&2		echo "Please add support for $UTS_MACHINE to ${0} ..." >&2		echo "" >&2	fi} # Some variables and settings used throughout the scriptversion=$KERNELRELEASEif [ -n "$KDEB_PKGVERSION" ]; then	packageversion=$KDEB_PKGVERSION	revision=${packageversion##*-}else	revision=$(cat .version 2>/dev/null||echo 1)	packageversion=$version-$revisionfisourcename=$KDEB_SOURCENAMEpackagename=linux-image-$versionkernel_headers_packagename=linux-headers-$versiondbg_packagename=$packagename-dbgdebarch=set_debarch if [ "$ARCH" = "um" ] ; then	packagename=user-mode-linux-$versionfi email=${DEBEMAIL-$EMAIL} # use email string directly if it contains <email>if echo $email | grep -q '<.*>'; then	maintainer=$emailelse	# or construct the maintainer string	user=${KBUILD_BUILD_USER-$(id -nu)}	name=${DEBFULLNAME-$user}	if [ -z "$email" ]; then		buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}		email="$user@$buildhost"	fi	maintainer="$name <$email>"fi # Try to determine distributionif [ -n "$KDEB_CHANGELOG_DIST" ]; then        distribution=$KDEB_CHANGELOG_DIST# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelogelif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then        : # nothing to do in this caseelse        distribution="unstable"        echo >&2 "Using default distribution of 'unstable' in the changelog"        echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"fi mkdir -p debian/echo $debarch > debian/arch # Generate a simple changelog templatecat <<EOF > debian/changelog$sourcename ($packageversion) $distribution; urgency=low   * Custom built Linux kernel.  -- $maintainer  $(date -R)EOF # Generate copyright filecat <<EOF > debian/copyrightThis is a packacked upstream version of the Linux kernel. The sources may be found at most Linux archive sites, including:https://www.kernel.org/pub/linux/kernel Copyright: 1991 - 2018 Linus Torvalds and others. The git repository for mainline kernel development is at:git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git     This program is free software; you can redistribute it and/or modify    it under the terms of the GNU General Public License as published by    the Free Software Foundation; version 2 dated June, 1991. On Debian GNU/Linux systems, the complete text of the GNU General PublicLicense version 2 can be found in \`/usr/share/common-licenses/GPL-2'.EOF # Generate a control filecat <<EOF > debian/controlSource: $sourcenameSection: kernelPriority: optionalMaintainer: $maintainerBuild-Depends: bc, kmod, cpioHomepage: http://www.kernel.org/ Package: $packagenameArchitecture: $debarchDescription: Linux kernel, version $version This package contains the Linux kernel, modules and corresponding other files, version: $version. Package: $kernel_headers_packagenameArchitecture: $debarchDescription: Linux kernel headers for $version on $debarch This package provides kernel header files for $version on $debarch . This is useful for people who need to build external modules Package: linux-libc-devSection: develProvides: linux-kernel-headersArchitecture: $debarchDescription: Linux support headers for userspace development This package provides userspaces headers from the Linux kernel.  These headers are used by the installed headers for GNU glibc and other system libraries. Package: $dbg_packagenameSection: debugArchitecture: $debarchDescription: Linux kernel debugging symbols for $version This package will come in handy if you need to debug the kernel. It provides all the necessary debug symbols for the kernel and its modules.EOF cat <<EOF > debian/rules#!$(command -v $MAKE) -f build:	\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \	KBUILD_BUILD_VERSION=${revision} KBUILD_SRC= binary-arch:	\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \	KBUILD_BUILD_VERSION=${revision} KBUILD_SRC= intdeb-pkg clean:	rm -rf debian/*tmp debian/files	\$(MAKE) clean binary: binary-archEOF exit 0