ci: try testing aarch64-linux

Author: thomasjm

.github/workflows/ci.yml

@@ -47,21 +47,25 @@ jobs:
     name: "build-ui-metadata (${{matrix.runs-on}})"
     runs-on:
     - self-hosted
-    - ${{matrix.runs-on}}
+    - ${{matrix.runs-on.os}}
     strategy:
       fail-fast: false
       matrix:
         runs-on:
-        - macOS
-        - Linux
+        - os: macOS
+          arch: aarch64-darwin
+        - os: Linux
+          arch: x86_64-linux
+        - os: Linux
+          arch: aarch64-linux
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Build .#ui_metadata_farm
       if: "!contains(github.event.head_commit.message, 'noci')"
       run: |
-        nix build .#ui_metadata_farm
+        nix build .#packages.${{matrix.runs-on.arch}}.ui_metadata_farm
 
   build-sample-environments:
     name: "build-sample-environments (${{matrix.runs-on}})"
@@ -72,16 +76,20 @@ jobs:
       fail-fast: false
       matrix:
         runs-on:
-        - macOS
-        - Linux
+        - os: macOS
+          arch: aarch64-darwin
+        - os: Linux
+          arch: x86_64-linux
+        - os: Linux
+          arch: aarch64-linux
 
     steps:
     - uses: actions/checkout@v4
 
     - name: Build .#sample_environments_farm
       if: "!contains(github.event.head_commit.message, 'noci')"
       run: |
-        nix build .#sample_environments_farm
+        nix build .#packages.${{matrix.runs-on.arch}}.sample_environments_farm
 
   test:
     name: ${{ matrix.suite.name }} (${{ matrix.runs-on }}${{ matrix.suite.flags && format(', {0}', matrix.suite.flags) || '' }})