Daily benchmark #27

	name: Daily

	on:
	# Run daily at midnight.
	schedule:
	- cron: 0 0 * * *
	# Run whenever this workflow is changed.
	push:
	branches: [main]
	# Allow running manually.
	workflow_dispatch:

	env:
	# Force colorful output, even though we're running in Github Actions.
	CARGO_TERM_COLOR: always

	jobs:
	bench:
	name: Run benchmarks
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable

	- name: Cache build files
	uses: Leafwing-Studios/cargo-cache@v1

	- name: Install Bencher
	uses: bencherdev/bencher@main

	# Run benchmarks, piping output to both `results.txt` and stdout.
	- name: Run benchmarks
	run: cargo bench -- 2>&1 \| tee results.txt

	- name: Find Bevy commit hash
	id: bevy-hash
	run: \|
	# Find the source property of Bevy, which returns something like:
	# "git+https://github.com/bevyengine/bevy.git#d659a1f7d506c5c6eba9dfe2a6e878a8c72ecef6"
	SOURCE=$(cargo metadata --format-version 1 \| jq '.packages[] \| select(.name == "bevy") \| .source')

	# Regex for a 40-character hexadecimal hash.
	REGEX="[a-f0-9]{40}"

	# Capture the hash from the source identifier.
	HASH=$(echo $SOURCE \| grep --extended-regexp --only-matching $REGEX)

	echo hash=$HASH >> $GITHUB_OUTPUT

	- name: Upload benchmarks
	env:
	BENCHER_PROJECT: bevy
	BENCHER_API_TOKEN: ${{ secrets.BENCHER_API_TOKEN }}
	BENCHER_TESTBED: github-actions
	BENCHER_HASH: ${{ steps.bevy-hash.outputs.hash }}
	run: \|
	bencher run \
	--adapter rust_criterion \
	--hash $BENCHER_HASH
	--err \
	--file results.txt

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