[ci] Reduce cache size #13

	name: ci

	on:
	push:
	branches: [ ci ]
	pull_request:

	jobs:
	chipyard-setup:
	runs-on: ubuntu-latest

	defaults:
	run:
	# for conda activation
	shell: bash -el {0}

	env:
	CHIPYARD_DIR: ${{ github.workspace }}/chipyard
	# github runner knocks out with -jN>=4
	MAKEFLAGS: "-j3"

	steps:
	- name: System info
	run: \|
	cat /proc/cpuinfo
	vmstat -SM
	df -h

	- name: Checkout
	uses: actions/checkout@v4

	- name: Checkout Chipyard
	run: \|
	rm -rf "${CHIPYARD_DIR}"
	git clone "https://github.com/ucb-bar/chipyard.git" "${CHIPYARD_DIR}"
	cd "${CHIPYARD_DIR}"
	git checkout main
	echo "CHIPYARD_HASH=$(git rev-parse HEAD)" >> "${GITHUB_ENV}"

	- name: Install conda
	uses: conda-incubator/setup-miniconda@v3
	with:
	auto-update-conda: true
	auto-activate-base: true
	activate-environment: ""

	# - name: Cache Scala deps
	# uses: actions/cache@v5
	# with:
	# path: \|
	# ~/.ivy2/cache
	# ~/.sbt
	# ~/.cache/coursier
	# key: ${{ runner.os }}-scala-${{ hashFiles('*/.sbt', '/project/') }}
	# restore-keys: \|
	# ${{ runner.os }}-scala-

	- name: Cache conda-env
	id: cache-conda-env
	uses: actions/cache@v5
	with:
	path: \|
	${{ env.CHIPYARD_DIR }}/.conda-env/riscv-tools
	key: conda-${{ runner.os }}-${{ env.CHIPYARD_HASH }}

	- name: Setup Chipyard
	run: \|
	.github/scripts/setup-chipyard.sh "${{ steps.cache-conda-env.outputs.cache-hit }}"

	- name: Print conda envs
	run: \|
	conda env list
	df -h
	du -sh "${{ env.CHIPYARD_DIR }}/.conda-env"
	du -sh "${{ env.CHIPYARD_DIR }}/.conda-env/riscv-tools"

	# - name: radiance
	# run: \|
	# source "$CHIPYARD_DIR/env.sh"
	# ...

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