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#!/bin/sh
trap 'rm -rf "$temp_dir"' EXIT
temp_dir=".tmp"
IFS='
'
for staged_file in $(git diff --cached --name-only); do
[ -f "${staged_file}" ] || continue
[ "${staged_file##*.}" = "java" ] || continue
check_files=y
mkdir -p "$temp_dir/$(dirname "$staged_file")"
git show :"$staged_file" > "$temp_dir/$staged_file"
done
unset IFS
[ -z "$check_files" ] && exit 0
printf "%s\n" "-a -n --set-exit-if-changed" > "$temp_dir/gf_config"
find "$temp_dir" -name '*.java' >> "$temp_dir/gf_config"
output=$(./mvnw -q exec:java \
-Dexec.mainClass="com.google.googlejavaformat.java.Main" \
-Dexec.args="@$temp_dir/gf_config")
if [ $? != 0 ]; then
echo 'Run "./mvnw -q com.coveo:fmt-maven-plugin:format" first.' >&2
echo "Following files were rejected by the formatter:" >&2
escaped=$(printf '%s\n' "$temp_dir/" | sed 's/[[\.*^$/]/\\&/g')
printf "%s\n" "$output" | sed "s/$escaped/ /" >&2
exit 1
fi
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