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path: root/git/pre-commit.d/30store-metadata
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#!/bin/sh
set -e

# Make sure the file is not readable by others, since it can leak
# information about contents of non-readable directories in /etc.
umask 077

# ensure the file exists so that it will list its own metadata
if [ ! -e .metadata ]; then
	metastore --save
fi

# metastore doesn't produce the same output file for the same metadata
# everytime, so avoid changing the file if nothing really changed.
if [ ! -z "$(metastore --compare)" ]; then
	metastore --save
	git add .metadata
fi