jackos1998
7fe3c8186c
Use Determinate Nix as `nix.package` for systems, homes and the devshell, for its parallel evaluation and lazy trees. We only take the package, not `determinate-nixd`: the daemon and `nix.conf` model are unchanged and the Determinate NixOS module is not imported. - Add the `determinate-nix` (`nix-src`) input, following our `nixpkgs-unstable`. FlakeHub's cache needs auth, so we build it ourselves and let it flow through Harmonia like everything else. - `determinateOverlay` exposes it as `pkgs'.mine.determinate-nix`; `lib.my.c.nix.determinateSettings` (`lazy-trees`, `eval-cores = 0`) is merged into `nix.settings` and the devshell `nix.conf`. - Switch CI to `DeterminateSystems/determinate-nix-action` so the runner itself evaluates with Determinate. - Advertise the Harmonia cache via the flake's `nixConfig`, trusted without a prompt via `accept-flake-config` in the devshell, `.envrc` and CI only (boxes already trust it through `nix.settings`). - Re-attach `pkgs`/`lib` to container and installer `nixosConfigurations` so Determinate's flake schemas can evaluate them (`nix flake check` otherwise fails with `attribute 'pkgs' missing`). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
53 lines
1.7 KiB
YAML
53 lines
1.7 KiB
YAML
name: CI
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on:
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push:
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branches: [master]
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jobs:
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check:
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name: Check, build and cache nixfiles
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runs-on: ubuntu-26.04
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steps:
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- uses: actions/checkout@v6
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- uses: DeterminateSystems/determinate-nix-action@v3
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with:
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# Gitea will supply a token in GITHUB_TOKEN, which this action passes to
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# Nix (as access-tokens) when downloading from GitHub
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github-token: ${{ secrets.GH_PULL_TOKEN }}
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extra-conf: |
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# Make sure we're using sandbox
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sandbox-fallback = false
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# Big C++ projects fill up memory...
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cores = 6
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# Determinate performance features
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lazy-trees = true
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eval-cores = 0
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accept-flake-config = true
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extra-substituters = https://nix-cache.nul.ie
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extra-trusted-public-keys = nix-cache.nul.ie-1:BzH5yMfF4HbzY1C977XzOxoPhEc9Zbu39ftPkUbH+m4=
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- name: Check flake
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run: nix flake check --no-build
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- name: Build (and cache) the world
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id: build
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env:
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HARMONIA_SSH_KEY: ${{ secrets.HARMONIA_SSH_KEY }}
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run: |
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nix eval --json --apply "builtins.attrNames" .#ci.x86_64-linux | jq -cr '.[]' | while read job; do
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echo "::group::Build $job"
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nix build --no-link .#ci.x86_64-linux."$job"
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echo "::endgroup::"
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echo "::group::Cache $job"
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ci/push-to-cache.sh "$(nix eval --raw .#ci.x86_64-linux."$job")"
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echo "::endgroup::"
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done
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echo "Building and caching CI derivation"
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nix build --no-link .#ciDrv.x86_64-linux
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UPDATE_PROFILE=1 ci/push-to-cache.sh "$(nix eval --raw .#ciDrv.x86_64-linux)"
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