# For example:
# scripts/check-config.sh b/chromebook_link/u-boot.cfg kconfig_whitelist.txt .
+set -e
+set -u
+
+PROG_NAME="${0##*/}"
+
+usage() {
+ echo "$PROG_NAME <path to u-boot.cfg> <path to whitelist file> <source dir>"
+ exit 1
+}
+
+[ $# -ge 3 ] || usage
+
path="$1"
whitelist="$2"
srctree="$3"
export LC_ALL=C
export LC_COLLATE=C
-cat ${path} |sed -n 's/^#define \(CONFIG_[A-Za-z0-9_]*\).*/\1/p' |sort |uniq \
+cat ${path} |sed -nr 's/^#define (CONFIG_[A-Za-z0-9_]*).*/\1/p' |sort |uniq \
>${configs}
comm -23 ${configs} ${whitelist} > ${suspects}
-cat `find ${srctree} -name "Kconfig*"` |sed -n \
- -e 's/^config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
- -e 's/^menuconfig \([A-Za-z0-9_]*\).*$/CONFIG_\1/p' |sort |uniq > ${ok}
+cat `find ${srctree} -name "Kconfig*"` |sed -nr \
+ -e 's/^[[:blank:]]*config *([A-Za-z0-9_]*).*$/CONFIG_\1/p' \
+ -e 's/^[[:blank:]]*menuconfig ([A-Za-z0-9_]*).*$/CONFIG_\1/p' \
+ |sort |uniq > ${ok}
comm -23 ${suspects} ${ok} >${new_adhoc}
if [ -s ${new_adhoc} ]; then
- echo "Error: You must add new CONFIG options using Kconfig"
- echo "The following new ad-hoc CONFIG options were detected:"
- cat ${new_adhoc}
- echo
- echo "Please add these via Kconfig instead. Find a suitable Kconfig"
- echo "file and add a 'config' or 'menuconfig' option."
+ echo >&2 "Error: You must add new CONFIG options using Kconfig"
+ echo >&2 "The following new ad-hoc CONFIG options were detected:"
+ cat >&2 ${new_adhoc}
+ echo >&2
+ echo >&2 "Please add these via Kconfig instead. Find a suitable Kconfig"
+ echo >&2 "file and add a 'config' or 'menuconfig' option."
# Don't delete the temporary files in case they are useful
exit 1
else