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#!/bin/bash
die() {
printf "%s\n" "$@"
exit 1
}
HEAD="${1:-HEAD}"
BASE_DIR="$(dirname "$0")"
if printf '%s' "$HEAD" | grep -q '\.\.'; then
# Check the explicitly specified range from the argument.
REFS=( $(git log --reverse --format='%H' "$HEAD") ) || die "not a valid range (HEAD is $HEAD)"
else
BASE_REF="refs/remotes/origin/"
# the argument is only a single ref (or the default "HEAD").
# Find all commits that branch off one of the stable branches or master
# and lead to $HEAD. These are the commits of the feature branch.
RANGES=( $(git show-ref | sed 's#^\(.*\) '"$BASE_REF"'\(master\|nm-1-[0-9]\+\)$#\1..'"$HEAD"'#p' -n) )
[ "${#RANGES[@]}" != 0 ] || die "cannot detect git-ranges (HEAD is $(git rev-parse "$HEAD"))"
REFS=( $(git log --reverse --format='%H' "${RANGES[@]}") )
if [ "${#REFS[@]}" == 0 ] ; then
# no refs detected. This means, $HEAD is already on master (or one of the
# stable nm-1-* branches. Just check the patch itself.
REFS=( "$HEAD" )
fi
fi
SUCCESS=0
for H in "${REFS[@]}"; do
export NM_CHECKPATCH_HEADER=$'\n'">>> VALIDATE \"$(git log --oneline -n1 "$H")\""
git format-patch -U65535 --stdout -1 "$H" | "$BASE_DIR/checkpatch.pl"
if [ $? != 0 ]; then
SUCCESS=1
fi
done
exit $SUCCESS
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