Felix Fietkau 67e1e9add6 scripts/diffconfig.sh: reduce config output with CONFIG_BUSYBOX_CUSTOM
Use similar approach as r47461 to reduce output for busybox config.

Since r39435 CONFIG_BUSYBOX_CUSTOM=y has caused the addition of
all ~260 busybox config options to the diffconfig output even if
only one option has been changed.

This patch eliminates the unchanged busybox config options from the output
and leaves only the actually modified options.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

Backport of r47463

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@47497 3c298f89-4303-0410-b956-a3cf2f4a3e73
2015-11-18 12:38:56 +00:00

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#!/bin/sh
grep \^CONFIG_TARGET_ .config | head -n3 > tmp/.diffconfig.head
grep '^CONFIG_ALL=y' .config >> tmp/.diffconfig.head
grep '^CONFIG_ALL_KMODS=y' .config >> tmp/.diffconfig.head
grep '^CONFIG_DEVEL=y' .config >> tmp/.diffconfig.head
grep '^CONFIG_TOOLCHAINOPTS=y' .config >> tmp/.diffconfig.head
grep '^CONFIG_BUSYBOX_CUSTOM=y' .config >> tmp/.diffconfig.head
./scripts/config/conf --defconfig=tmp/.diffconfig.head -w tmp/.diffconfig.stage1 Config.in >/dev/null
./scripts/kconfig.pl '>+' tmp/.diffconfig.stage1 .config >> tmp/.diffconfig.head
./scripts/config/conf --defconfig=tmp/.diffconfig.head -w tmp/.diffconfig.stage2 Config.in >/dev/null
./scripts/kconfig.pl '>' tmp/.diffconfig.stage2 .config >> tmp/.diffconfig.head
cat tmp/.diffconfig.head
rm -f tmp/.diffconfig tmp/.diffconfig.head