Commit 9a92eee3 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

builddeb: avoid invoking sub-shells where possible 



The commands surrounded by ( ... ) is run in a sub-shell, but you do
not have to spawn a sub-shell for every single line.

Use just one ( ... ) for creating debian/hdrsrcfiles.

For tar, use -C option instead.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent f9a4711e

scripts/package/builddeb

+22 −13
Original line number Diff line number Diff line
@@ -165,21 +165,30 @@ EOF 
done



# Build kernel header package

(cd $srctree; find . arch/$SRCARCH -maxdepth 1 -name Makefile\*) > debian/hdrsrcfiles

(cd $srctree; find include scripts -type f -o -type l) >> debian/hdrsrcfiles

(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> debian/hdrsrcfiles

(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> debian/hdrsrcfiles

(

	cd $srctree

	find . arch/$SRCARCH -maxdepth 1 -name Makefile\*

	find include scripts -type f -o -type l

	find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform

	find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f

) > debian/hdrsrcfiles



{

	if is_enabled CONFIG_STACK_VALIDATION; then

	echo tools/objtool/objtool >> debian/hdrobjfiles

		echo tools/objtool/objtool

	fi

find arch/$SRCARCH/include Module.symvers include scripts -type f >> debian/hdrobjfiles



	find arch/$SRCARCH/include Module.symvers include scripts -type f



	if is_enabled CONFIG_GCC_PLUGINS; then

	find scripts/gcc-plugins -name \*.so >> debian/hdrobjfiles

		find scripts/gcc-plugins -name \*.so

	fi

} > debian/hdrobjfiles



destdir=$kernel_headers_dir/usr/src/linux-headers-$version

mkdir -p "$destdir"

(cd $srctree; tar -c -f - -T -) < debian/hdrsrcfiles | (cd $destdir; tar -xf -)

tar -c -f - -T - < debian/hdrobjfiles | (cd $destdir; tar -xf -)

tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir

tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir

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 debian/hdrsrcfiles debian/hdrobjfiles