Bump nix-community/cache-nix-action from b6406dc6e7f9c6ad6b399ed561f29f7e406544d5 to 76f6697d63b7378f7161d52f3d81784130ecd90d #27

	name: Nix flake check

	on:
	push:
	pull_request:

	jobs:
	nix_flake_check:
	name: Nix flake check
	runs-on: ubuntu-latest
	permissions:
	actions: write
	steps:
	- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	persist-credentials: false
	- uses: nixbuild/nix-quick-install-action@5bb6a3b3abe66fd09bbf250dce8ada94f856a703 # v30
	- run: nix --version
	- uses: nix-community/cache-nix-action@76f6697d63b7378f7161d52f3d81784130ecd90d # v6
	with:
	# restore and save a cache using this key
	primary-key: nix-${{ runner.os }}-${{ hashFiles('*/.nix', '**/flake.lock') }}
	# if there's no cache hit, restore a cache by this prefix
	restore-prefixes-first-match: nix-${{ runner.os }}-
	# collect garbage until Nix store size (in bytes) is at most this number
	# before trying to save a new cache
	# 1 GB = 1073741824 B
	gc-max-store-size-linux: 1073741824
	# do purge caches
	purge: true
	# purge all versions of the cache
	purge-prefixes: nix-${{ runner.os }}-
	# created more than this number of seconds ago relative to the start of the `Post Restore` phase
	purge-created: 0
	# except the version with the `primary-key`, if it exists
	purge-primary-key: never
	- run: nix flake check

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