free up more space on builder #5

	name: Build systems
	on:
	pull_request:
	push:
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Get free space
	run: df -h

	- name: Remove unwanted software
	run: \|
	rm -rf /opt/hostedtoolcache
	sudo rm -rf /usr/share/dotnet
	sudo rm -rf /usr/local/lib/android
	sudo rm -rf /opt/ghc
	sudo docker image prune --all --force

	- name: Get free space
	run: df -h

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install Nix
	uses: cachix/install-nix-action@v27

	- name: Setup Magic Nix Cache
	uses: DeterminateSystems/magic-nix-cache-action@main

	- name: Setup Cachix
	uses: cachix/cachix-action@v15
	with:
	name: anna328p
	authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

	- name: Update volatile inputs
	run: nix flake update keydb

	- name: Build hermes configuration
	run: nix build --accept-flake-config 'path:.#nixosConfigurations.hermes.config.system.build.toplevel'

	- name: Confirm success
	run: echo 'OK'

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