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	#!/bin/bash

	target_rev="$(git rev-parse $1)"
	current_rev="$(git rev-parse HEAD)"

	current_branch="$(git rev-parse --abbrev-ref HEAD)"
	trap "git checkout "$current_branch"" EXIT

	hyperfine \
	--style full \
	--warmup 3 \
	--export-json /tmp/bench.json \
	--parameter-list rev "${target_rev},${current_rev}" \
	--prepare "git checkout {rev} && cargo build --release" -n '{rev}' 'luajit ./scripts/benchmark.lua'

	old_value=$(cat /tmp/bench.json \| jq '.results[0].mean')
	new_value=$(cat /tmp/bench.json \| jq '.results[1].mean')
	percentage_difference=$(echo "scale=2; (($new_value - $old_value) / $old_value) * 100" \| bc)

	echo ""
	echo "-------------------------------------"
	echo "The percentage difference is $percentage_difference%"
	echo "-------------------------------------"
	echo ""