Quelle  mkdebian   Sprache: C

#!/bin/sh
java.lang.NullPointerException
# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
java.lang.NullPointerException
# Simple script to generate a debian/ directory for a Linux kernel.

set -eu

is_enabled() {
 grep -q "^$1=y" include/config/auto.conf
}

if_enabled_echo() {
 if is_enabled "$1"; then
  echo -n "$2"
 elif [ $# -ge 3 ]; then
  echo -n "$3"
 fi
}

set_debarch() {
 if [ "${KBUILD_DEBARCH:+set}" ]; then
  debarch="$KBUILD_DEBARCH"
  return
 fi

 # Attempt to find the correct Debian architecture
 case "$UTS_MACHINE" in
 i386|alpha|m68k|riscv*)
  debarch="$UTS_MACHINE" ;;
 x86_64)
  debarch=amd64 ;;
 sparc*)
  debarch=sparc$(if_enabled_echo CONFIG_64BIT 64) ;;
 s390*)
  debarch=s390x ;;
 ppc*)
  if is_enabled CONFIG_64BIT; then
   debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el)
  else
   debarch=powerpc$(if_enabled_echo CONFIG_SPE spe)
  fi
  ;;
 parisc*)
  debarch=hppa ;;
 mips*)
  if is_enabled CONFIG_CPU_LITTLE_ENDIAN; then
   debarch=mips$(if_enabled_echo CONFIG_64BIT 64)$(if_enabled_echo CONFIG_CPU_MIPSR6 r6)el
  elif is_enabled CONFIG_CPU_MIPSR6; then
   debarch=mips$(if_enabled_echo CONFIG_64BIT 64)r6
  else
   debarch=mips
  fi
  ;;
 aarch64|arm64)
  debarch=arm64 ;;
 arm*)
  if is_enabled CONFIG_AEABI; then
   debarch=arm$(if_enabled_echo CONFIG_VFP hf el)
  else
   debarch=arm
  fi
  ;;
 openrisc)
  debarch=or1k ;;
 sh)
  if is_enabled CONFIG_CPU_SH3; then
   debarch=sh3$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
  elif is_enabled CONFIG_CPU_SH4; then
   debarch=sh4$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
  fi
  ;;
 um)
  if is_enabled CONFIG_64BIT; then
   debarch=amd64
  else
   debarch=i386
  fi
  ;;
 loongarch64)
  debarch=loong64 ;;
 esac
 if [ -z "$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
}

# Create debian/source/ if it is a source package build
gen_source ()
{
 mkdir -p debian/source

 echo "3.0 (quilt)" > debian/source/format

 {
  echo "diff-ignore"
  echo "extend-diff-ignore = .*"
 } > debian/source/local-options

 # Add .config as a patch
 mkdir -p debian/patches
 {
  echo "Subject: Add .config"
  echo "Author: ${maintainer}"
  echo
  echo "--- /dev/null"
  echo "+++ linux/.config"
  diff -u /dev/null "${KCONFIG_CONFIG}" | tail -n +3
 } > debian/patches/config.patch
 echo config.patch > debian/patches/series

 "${srctree}/scripts/package/gen-diff-patch" debian/patches/diff.patch
 if [ -s debian/patches/diff.patch ]; then
  sed -i "
   1iSubject: Add local diff
   1iAuthor: ${maintainer}
   1i
  " debian/patches/diff.patch

  echo diff.patch >> debian/patches/series
 else
  rm -f debian/patches/diff.patch
 fi
}

rm -rf debian
mkdir debian

user=${KBUILD_BUILD_USER:-$(id -nu)}
name=${DEBFULLNAME:-${user}}
if [ "${DEBEMAIL:+set}" ]; then
 email=${DEBEMAIL}
else
 buildhost=${KBUILD_BUILD_HOST:-$(hostname -f 2>/dev/null || hostname)}
 email="${user}@${buildhost}"
fi
maintainer="${name} <${email}>"

while [ $# -gt 0 ]; do
 case "$1" in
 --need-source)
  gen_source
  shift
  ;;
 *)
  break
  ;;
 esac
done

# Some variables and settings used throughout the script
if [ "${KDEB_PKGVERSION:+set}" ]; then
 packageversion=$KDEB_PKGVERSION
else
 upstream_version=$("${srctree}/scripts/setlocalversion" --no-local "${srctree}" | sed 's/-\(rc[1-9]\)/~\1/')
 debian_revision=$("${srctree}/scripts/build-version")
 packageversion=${upstream_version}-${debian_revision}
fi
sourcename=${KDEB_SOURCENAME:-linux-upstream}

if [ "$ARCH" = "um" ] ; then
 packagename=user-mode-linux
else
 packagename=linux-image
fi

debarch=
set_debarch

# Try to determine distribution
if [ "${KDEB_CHANGELOG_DIST:+set}" ]; then
        distribution=$KDEB_CHANGELOG_DIST
# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
        : # nothing to do in this case
else
        distribution="unstable"
        echo >&2 "Using default distribution of 'unstable' in the changelog"
        echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
fi

echo $debarch > debian/arch

host_gnu=$(dpkg-architecture -a "${debarch}" -q DEB_HOST_GNU_TYPE | sed 's/_/-/g')

# Generate a simple changelog template
cat <<EOF > debian/changelog
$sourcename ($packageversion) $distribution; urgency=low

  * Custom built Linux kernel.

 -- $maintainer  $(date -R)
EOF

# Generate a control file
cat <<EOF > debian/control
Source: $sourcename
Section: kernel
Priority: optional
Maintainer: $maintainer
Rules-Requires-Root: no
Build-Depends: debhelper-compat (= 12)
Build-Depends-Arch: bc, bison, flex,
 gcc-${host_gnu} <!pkg.${sourcename}.nokernelheaders>,
 kmod, libdw-dev:native, libelf-dev:native,
 libssl-dev:native, libssl-dev <!pkg.${sourcename}.nokernelheaders>,
 python3:native, rsync
Homepage: https://www.kernel.org/

Package: $packagename-${KERNELRELEASE}
Architecture: $debarch
Description: Linux kernel, version ${KERNELRELEASE}
 This package contains the Linux kernel, modules and corresponding other
 files, version: ${KERNELRELEASE}.
EOF

if [ "${SRCARCH}" != um ]; then
cat <<EOF >> debian/control

Package: linux-libc-dev
Section: devel
Provides: linux-kernel-headers
Architecture: $debarch
Description: 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.
Multi-Arch: same
EOF

if is_enabled CONFIG_MODULES; then
cat <<EOF >> debian/control

Package: linux-headers-${KERNELRELEASE}
Architecture: $debarch
Build-Profiles: <!pkg.${sourcename}.nokernelheaders>
Description: Linux kernel headers for ${KERNELRELEASE} on $debarch
 This package provides kernel header files for ${KERNELRELEASE} on $debarch
 .
 This is useful for people who need to build external modules
EOF
fi
fi

if is_enabled CONFIG_DEBUG_INFO; then
cat <<EOF >> debian/control

Package: linux-image-${KERNELRELEASE}-dbg
Section: debug
Architecture: $debarch
Build-Profiles: <!pkg.${sourcename}.nokerneldbg>
Description: Linux kernel debugging symbols for ${KERNELRELEASE}
 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
fi

cat <<EOF > debian/rules.vars
ARCH := ${ARCH}
KERNELRELEASE := ${KERNELRELEASE}
EOF

cp "${srctree}/scripts/package/debian/copyright" debian/
cp "${srctree}/scripts/package/debian/rules" debian/

exit 0