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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@3ec01582d2f258e5cde7fe2921cd8c49884104f5 # 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