#!/usr/bin/env bash
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#  to you under the Apache License, Version 2.0 (the
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#      http://www.apache.org/licenses/LICENSE-2.0
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if ! [ -e $FLINK_ARTIFACT_DIR ]; then
    echo "Cached flink dir $FLINK_ARTIFACT_DIR does not exist. Exiting build."
    exit 1
fi

echo "Merging cache"
cp -RT "$FLINK_ARTIFACT_DIR" "."

echo "Adjusting timestamps"
# adjust timestamps of proto file to avoid re-generation
find . -type f -name '*.proto' | xargs touch
# wait a bit for better odds of different timestamps
sleep 5

# adjust timestamps to prevent recompilation
find . -type f -name '*.java' | xargs touch
find . -type f -name '*.scala' | xargs touch
# wait a bit for better odds of different timestamps
sleep 5
find . -type f -name '*.class' | xargs touch
find . -type f -name '*.timestamp' | xargs touch