build/patch/kernel/meson-default/packaging-3.10-DEFAULT-with-postinstall-scripts.patch

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 3001ec5..dc76d3c
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -35,15 +35,17 @@ create_package() {
 	sparc*)
 		debarch=sparc ;;
 	s390*)
-		debarch=s390 ;;
+		debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
 	ppc*)
-		debarch=powerpc ;;
+		debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
 	parisc*)
 		debarch=hppa ;;
 	mips*)
-		debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;;
+		debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
+	arm64)
+		debarch=arm64 ;;
 	arm*)
-		debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;;
+		debarch=arm$(grep -q CONFIG_AEABI=y $KCONFIG_CONFIG && echo el || true) ;;
 	*)
 		echo "" >&2
 		echo "** ** **  WARNING  ** ** **" >&2
@@ -61,8 +63,30 @@ create_package() {
 		forcearch="-DArchitecture=$debarch"
 	fi
 
+	# Create preinstall and post install script to remove dtb
+	if [[ "$1" == *dtb* ]]; then
+		echo "if [ -d /boot/dtb-$version ]; then mv /boot/dtb-$version /boot/dtb-$version.old; fi" >> $pdir/DEBIAN/preinst
+		echo "if [ -d /boot/dtb.old ]; then rm -rf /boot/dtb.old; fi" >> $pdir/DEBIAN/preinst
+		echo "if [ -d /dtb ]; then mv /dtb /dtb.old; fi" >> $pdir/DEBIAN/preinst
+		echo "if [ -d /boot/dtb ]; then mv /boot/dtb /boot/dtb.old; fi" >> $pdir/DEBIAN/preinst
+		echo "exit 0" >> $pdir/DEBIAN/preinst
+		chmod 775 $pdir/DEBIAN/preinst
+		#
+		echo "if [ -d /boot/dtb.old ]; then rm -rf /boot/dtb.old; fi" >> $pdir/DEBIAN/postinst
+		echo "ln -sf dtb-$version /boot/dtb > /dev/null 2>&1 || mv /boot/dtb-$version /boot/dtb" >> $pdir/DEBIAN/postinst
+		echo "exit 0" >> $pdir/DEBIAN/postinst
+		chmod 775 $pdir/DEBIAN/postinst
+	fi
+	
+	# Create postinstall script for headers
+	if [[ "$1" == *headers* ]]; then
+		echo "cd /usr/src/linux-headers-$version; echo \"Compiling headers - please wait ...\"; make -s scripts >/dev/null 2>&1" >> $pdir/DEBIAN/postinst
+		echo "exit 0" >> $pdir/DEBIAN/postinst
+		chmod 775 $pdir/DEBIAN/postinst
+	fi
+	
 	# Create the package
-	dpkg-gencontrol -isp $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
+	dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir"
 	dpkg --build "$pdir" ..
 }
 
@@ -78,49 +102,76 @@ tmpdir="$objtree/debian/tmp"
 fwdir="$objtree/debian/fwtmp"
 kernel_headers_dir="$objtree/debian/hdrtmp"
 libc_headers_dir="$objtree/debian/headertmp"
-packagename=linux-image-$version
-fwpackagename=linux-firmware-image
-kernel_headers_packagename=linux-headers-$version
-libc_headers_packagename=linux-libc-dev
+dtb_dir="$objtree/debian/dtbtmp"
+dbg_dir="$objtree/debian/dbgtmp"
+packagename=linux-image"$LOCALVERSION"
+fwpackagename=linux-firmware-image"$LOCALVERSION"
+kernel_headers_packagename=linux-headers"$LOCALVERSION"
+dtb_packagename=linux-dtb"$LOCALVERSION"
+libc_headers_packagename=linux-libc-dev"$LOCALVERSION"
+dbg_packagename=$packagename-dbg
 
 if [ "$ARCH" = "um" ] ; then
 	packagename=user-mode-linux-$version
 fi
 
+# Not all arches have the same installed path in debian
+# XXX: have each arch Makefile export a variable of the canonical image install
+# path instead
+case $ARCH in
+um)
+	installed_image_path="usr/bin/linux-$version"
+	;;
+parisc|mips|powerpc)
+	installed_image_path="boot/vmlinux-$version"
+	;;
+*)
+	installed_image_path="boot/vmlinuz-$version"
+esac
+
+BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
+
 # Setup the directory structure
-rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
+rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" "$dtb_dir"
 mkdir -m 755 -p "$tmpdir/DEBIAN"
 mkdir -p  "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename"
 mkdir -m 755 -p "$fwdir/DEBIAN"
 mkdir -p "$fwdir/lib/firmware/$version/" "$fwdir/usr/share/doc/$fwpackagename"
 mkdir -m 755 -p "$libc_headers_dir/DEBIAN"
 mkdir -p "$libc_headers_dir/usr/share/doc/$libc_headers_packagename"
+
+mkdir -m 755 -p "$dtb_dir/DEBIAN"
+mkdir -p "$dtb_dir/boot/dtb-$version" "$dtb_dir/usr/share/doc/$dtb_packagename"
+
 mkdir -m 755 -p "$kernel_headers_dir/DEBIAN"
 mkdir -p "$kernel_headers_dir/usr/share/doc/$kernel_headers_packagename"
 mkdir -p "$kernel_headers_dir/lib/modules/$version/"
 if [ "$ARCH" = "um" ] ; then
 	mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
 fi
+if [ -n "$BUILD_DEBUG" ] ; then
+	mkdir -p "$dbg_dir/usr/share/doc/$dbg_packagename"
+	mkdir -m 755 -p "$dbg_dir/DEBIAN"
+fi
 
 # Build and install the kernel
 if [ "$ARCH" = "um" ] ; then
 	$MAKE linux
 	cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
-	cp .config "$tmpdir/usr/share/doc/$packagename/config"
+	cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
 	gzip "$tmpdir/usr/share/doc/$packagename/config"
-	cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
-else 
+else
 	cp System.map "$tmpdir/boot/System.map-$version"
-	cp .config "$tmpdir/boot/config-$version"
-	# Not all arches include the boot path in KBUILD_IMAGE
-	if [ -e $KBUILD_IMAGE ]; then
-		cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
-	else
-		cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
-	fi
+	cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
+fi
+# Not all arches include the boot path in KBUILD_IMAGE
+if [ -e $KBUILD_IMAGE ]; then
+	cp $KBUILD_IMAGE "$tmpdir/$installed_image_path"
+else
+	cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path"
 fi
 
-if grep -q '^CONFIG_MODULES=y' .config ; then
+if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
 	INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
 	rm -f "$tmpdir/lib/modules/$version/build"
 	rm -f "$tmpdir/lib/modules/$version/source"
@@ -128,6 +179,24 @@ if grep -q '^CONFIG_MODULES=y' .config ; then
 		mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
 		rmdir "$tmpdir/lib/modules/$version"
 	fi
+	if [ -n "$BUILD_DEBUG" ] ; then
+		for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
+			module=lib/modules/$module
+			mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
+			# only keep debug symbols in the debug file
+			$OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
+			# strip original module from debug symbols
+			$OBJCOPY --strip-debug $tmpdir/$module
+			# then add a link to those
+			$OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
+		done
+	fi
+fi
+
+if grep -q '^CONFIG_OF=y' $KCONFIG_CONFIG ; then
+	mkdir -p "$tmpdir/boot/dtb-""$version"
+   cp $objtree/arch/arm/boot/dts/*.dtb $dtb_dir/boot/dtb-$version
+	#INSTALL_DTBS_PATH="$dtb_dir/boot/dtb" $MAKE KBUILD_SRC= dtbs_install
 fi
 
 if [ "$ARCH" != "um" ]; then
@@ -137,8 +206,15 @@ fi
 
 # Install the maintainer scripts
 # Note: hook scripts under /etc/kernel are also executed by official Debian
-# kernel packages, as well as kernel packages built using make-kpkg
+# kernel packages, as well as kernel packages built using make-kpkg.
+# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
+# so do we; recent versions of dracut and initramfs-tools will obey this.
 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
+if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
+	want_initrd=Yes
+else
+	want_initrd=No
+fi
 for script in postinst postrm preinst prerm ; do
 	mkdir -p "$tmpdir$debhookdir/$script.d"
 	cat <<EOF > "$tmpdir/DEBIAN/$script"
@@ -147,14 +223,61 @@ for script in postinst postrm preinst prerm ; do
 set -e
 
 # Pass maintainer script parameters to hook scripts
+
 export DEB_MAINT_PARAMS="\$*"
 
-test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
+# Tell initramfs builder whether it's wanted
+
+export INITRD=$want_initrd
+
+test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
 exit 0
 EOF
 	chmod 755 "$tmpdir/DEBIAN/$script"
 done
 
+##
+## Create sym link to kernel image
+##
+kernel_tmp_version="${installed_image_path////\\/}"
+sed -e "s/set -e//g" -i $tmpdir/DEBIAN/postinst
+sed -e "s/exit 0//g" -i $tmpdir/DEBIAN/postinst
+cat >> $tmpdir/DEBIAN/postinst <<EOT 
+ln -sf $(basename $kernel_tmp_version) /boot/zImage > /dev/null 2>&1 || mv /$kernel_tmp_version /boot/zImage
+
+
+exit 0
+EOT
+##
+## FAT install workaround
+##
+sed -e "s/set -e//g" -i $tmpdir/DEBIAN/preinst
+sed -e "s/exit 0//g" -i $tmpdir/DEBIAN/preinst
+cat >> $tmpdir/DEBIAN/preinst <<EOT 
+# exit if we are running chroot
+if [ "\$(stat -c %d:%i /)" != "\$(stat -c %d:%i /proc/1/root/.)" ]; then exit 0; fi
+
+check_and_unmount (){
+boot_device=\$(mountpoint -d /boot)
+
+for file in /dev/* ; do
+	CURRENT_DEVICE=\$(printf "%d:%d" \$(stat --printf="0x%t 0x%T" \$file))
+	if [[ "\$CURRENT_DEVICE" = "\$boot_device" ]]; then
+		boot_partition=\$file
+		break;
+	fi
+done
+
+bootfstype=\$(blkid -s TYPE -o value \$boot_partition)
+if [ "\$bootfstype" = "vfat" ]; then 
+rm -f /boot/System.map* /boot/config* /boot/vmlinuz* /boot/zImage /boot/uImage
+fi
+}
+mountpoint -q /boot && check_and_unmount
+EOT
+echo "exit 0" >> $tmpdir/DEBIAN/preinst 
+
+
 # Try to determine maintainer and email values
 if [ -n "$DEBEMAIL" ]; then
        email=$DEBEMAIL
@@ -172,9 +299,19 @@ else
 fi
 maintainer="$name <$email>"
 
+# Try to determine distribution
+if [ -n "$KDEB_CHANGELOG_DIST" ]; then
+        distribution=$KDEB_CHANGELOG_DIST
+elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ]; 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
 # Generate a simple changelog template
 cat <<EOF > debian/changelog
-linux-upstream ($packageversion) unstable; urgency=low
+linux-upstream ($packageversion) $distribution; urgency=low
 
   * Custom built Linux kernel.
 
@@ -242,21 +379,32 @@ EOF
 
 fi
 
-# Build header package
-(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
-(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles")
-(cd $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
+# Build kernel header package
+(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/$SRCARCH/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
+(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
+(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
 mkdir -p "$destdir"
-(cd $srctree; tar -c -f - -T "$objtree/debian/hdrsrcfiles") | (cd $destdir; tar -xf -)
-(cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -)
+######################## headers patch
+ZACNI=$(pwd)
+cd $destdir
+patch -p1 < /tmp/headers-debian-byteshift.patch
+cd $ZACNI
+######################## headers patch
+(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
+(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
+(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
 ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
 rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
 
+(cd "$destdir"; make M=scripts clean)
+
 cat <<EOF >> debian/control
 
 Package: $kernel_headers_packagename
-Provides: linux-headers, linux-headers-2.6
+Provides: linux-headers
 Architecture: any
 Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch}
  This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch}
@@ -282,6 +430,16 @@ fi
 
 cat <<EOF >> debian/control
 
+Package: $dtb_packagename
+Architecture: any
+Description: Linux DTB, version $version
+ This package contains device blobs from the Linux kernel, version $version.
+EOF
+
+create_package "$dtb_packagename" "$dtb_dir"
+
+cat <<EOF >> debian/control
+
 Package: $libc_headers_packagename
 Section: devel
 Provides: linux-kernel-headers
@@ -293,9 +451,35 @@ EOF
 
 if [ "$ARCH" != "um" ]; then
 	create_package "$kernel_headers_packagename" "$kernel_headers_dir"
-	create_package "$libc_headers_packagename" "$libc_headers_dir"
+#	create_package "$libc_headers_packagename" "$libc_headers_dir"
 fi
 
 create_package "$packagename" "$tmpdir"
 
-exit 0
+if [ -n "$BUILD_DEBUG" ] ; then
+	# Build debug package
+	# Different tools want the image in different locations
+	# perf
+	mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
+	cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
+	# systemtap
+	mkdir -p $dbg_dir/usr/lib/debug/boot/
+	ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
+	# kdump-tools
+	ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
+
+	cat <<EOF >> debian/control
+
+Package: $dbg_packagename
+Section: debug
+Provides: linux-debug, linux-debug-$version
+Architecture: any
+Description: Linux kernel debugging symbols for $version
+ This package will come in handy if you need to debug the kernel. It provides
+ all the necessary debug symbols for the kernel and its modules.
+EOF
+
+	create_package "$dbg_packagename" "$dbg_dir"
+fi
+
+exit 0
\ No newline at end of file