git-lfs-test/build/git-pre-receive-hook

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#!/usr/bin/env bash
block_push=0
while read -r old new refname; do
while read -r added deleted filename; do
if [[ "$added" == "-" && "$deleted" == "-" ]]; then
block_push=1
echo "ERROR: ${filename} is a binary file."
fi
done < <(git diff --numstat "${old}..${new}")
if [[ $block_push -eq 1 ]]; then
echo "The ref '${refname}' has been rejected"
fi
done
if [[ $block_push -eq 1 ]]; then
echo "Binary files blocked. Please use git-lfs to push to this repo."
exit 1
fi