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#!/usr/bin/env bash
if [[ $(id -u) -eq 0 ]]; then
# Drop privileges by re-running this script.
# Note: this mangles arguments, better to avoid running scripts as root.
exec su worker -c "$0 $*"
fi
# Apply clang-format on the provided folder and verify that this doesn't change any file.
# If any file differs after formatting, the script eventually exits with 1.
# Any differences between formatted and unformatted files is printed to stdout to give a hint what's wrong.
# Includes a default set of directories NOT to clang-format on.
blacklist=(
"./automation" \
"./coreconf" \
"./doc" \
"./pkg" \
"./tests" \
"./lib/libpkix" \
"./lib/zlib" \
"./lib/sqlite" \
"./gtests/google_test" \
"./.hg" \
"./out" \
)
top="$(dirname $0)/../.."
cd "$top"
if [ $# -gt 0 ]; then
dirs=("$@")
else
dirs=($(find . -maxdepth 2 -mindepth 1 -type d ! -path . \( ! -regex '.*/' \)))
fi
format_folder()
{
for black in "${blacklist[@]}"; do
if [[ "$1" == "$black"* ]]; then
echo "skip $1"
return 1
fi
done
return 0
}
for dir in "${dirs[@]}"; do
if format_folder "$dir" ; then
c="${dir//[^\/]}"
echo "formatting $dir ..."
depth=""
if [ "${#c}" == "1" ]; then
depth="-maxdepth 1"
fi
find "$dir" $depth -type f \( -name '*.[ch]' -o -name '*.cc' \) -exec clang-format -i {} \+
fi
done
TMPFILE=$(mktemp /tmp/$(basename $0).XXXXXX)
trap 'rm $TMPFILE' exit
if (cd $(dirname $0); hg root >/dev/null 2>&1); then
hg diff --git "$top" | tee $TMPFILE
else
git -C "$top" diff | tee $TMPFILE
fi
[[ ! -s $TMPFILE ]]
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