diff options
| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-01-25 13:12:32 +0900 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2020-01-29 01:51:30 +0900 |
| commit | 9a92eee38790c63b45b32876cb1967154f8b9ee5 (patch) | |
| tree | 1ca56261ac0b98f35f7204396a80f058e60793cc | |
| parent | f9a4711ebb248ad37c830b2715342ec60edb1330 (diff) | |
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: Masahiro Yamada <masahiroy@kernel.org>
| -rwxr-xr-x | scripts/package/builddeb | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb index 15a76817e4ac..a73e0d5377e9 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -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 -if is_enabled CONFIG_STACK_VALIDATION; then - echo tools/objtool/objtool >> debian/hdrobjfiles -fi -find arch/$SRCARCH/include Module.symvers include scripts -type f >> debian/hdrobjfiles -if is_enabled CONFIG_GCC_PLUGINS; then - find scripts/gcc-plugins -name \*.so >> debian/hdrobjfiles -fi +( + 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 + fi + + find arch/$SRCARCH/include Module.symvers include scripts -type f + + if is_enabled CONFIG_GCC_PLUGINS; then + find scripts/gcc-plugins -name \*.so + fi +} > debian/hdrobjfiles + destdir=$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 |