Merge pull request 'Ci/gitea actions and renovate' (#3) from ci/gitea-actions-and-renovate into main

Reviewed-on: #3

.gitea/workflows/ci.yaml

@@ -0,0 +1,37 @@
+# Flake CI: formatting gate + evaluation of every host configuration.
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  flake:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: cachix/install-nix-action@v30
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+            accept-flake-config = true
+
+      - name: Check formatting
+        run: nix build --print-build-logs '.#checks.x86_64-linux.formatting'
+
+      # Evaluate (not build) each host's toplevel so eval errors fail CI cheaply.
+      # aarch64 hosts evaluate fine on an x86_64 runner; only building would need
+      # emulation, which we deliberately avoid here.
+      - name: Evaluate host configurations
+        run: |
+          set -euo pipefail
+          for host in lyrathorpe-mbp lyrathorpe-x1c emmathorpe-edaas; do
+            echo "::group::eval $host"
+            nix eval --raw ".#nixosConfigurations.$host.config.system.build.toplevel.drvPath"
+            echo
+            echo "::endgroup::"
+          done

renovate.json

@@ -0,0 +1,30 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    ":dependencyDashboard",
+    ":semanticCommits"
+  ],
+  "nix": {
+    "enabled": true
+  },
+  "lockFileMaintenance": {
+    "enabled": true,
+    "schedule": ["before 6am on monday"]
+  },
+  "git-submodules": {
+    "enabled": false
+  },
+  "packageRules": [
+    {
+      "description": "Group all flake input bumps from lockFileMaintenance into one PR.",
+      "matchManagers": ["nix"],
+      "groupName": "flake inputs"
+    },
+    {
+      "description": "Group Gitea Actions workflow updates.",
+      "matchManagers": ["github-actions"],
+      "groupName": "gitea actions"
+    }
+  ]
+}