ci: throw the thing away and do something different

.forgejo/workflows/ci.yaml

@@ -1,31 +1,10 @@
 on: [push]
 jobs:
-  generate-targets:
-    runs-on: cacher
-    outputs:
-      targets: ${{ steps.build.outputs.targets }}
-      machines: ${{ steps.build.outputs.machines }}
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Drop in ops/secrets/default.nix
-        run:
-          echo "$OPS_SECRETS_DEFAULTNIX" > ops/secrets/default.nix
-        env:
-          OPS_SECRETS_DEFAULTNIX: "${{ secrets.OPS_SECRETS_DEFAULTNIX }}"
-
-      - id: build
-        name: Build matrix
-        run: |
-          cat "$(nix-build ci-root.nix -A forgejoMatrix)" >> "$GITHUB_OUTPUT"
-
   build:
     runs-on: cacher
-    needs: [generate-targets]
     strategy:
       matrix:
-        target: ${{ fromJSON(needs.generate-targets.outputs.targets) }}
+        system: [x86_64-linux, aarch64-linux]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -38,24 +17,31 @@ jobs:
 
       - name: Build
         run: |
-          nix-build ci-root.nix -A "${{ matrix.target }}"
+          nix-build ci-root.nix -A linkFarm --system "${{ matrix.system }}"
 
-  build-machine:
+          cat result/other-systemPathJSON > system-path-${{ matrix.system }}.json
+
+      - name: Upload system paths
+        uses: forgejo/upload-artifact@v4
+        with:
+          name: system-paths-${{ matrix.system }}
+          path: system-paths-${{ matrix.system }}.json
+
+  combine-systems:
     runs-on: cacher
-    needs: [generate-targets]
-    strategy:
-      matrix:
-        target: ${{ fromJSON(needs.generate-targets.outputs.machines) }}
+    needs: [build]
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - name: Download outputs
+        uses: forgejo/download-artifact@v4
+        with:
+          path: system-paths
+          pattern: system-paths-*
 
-      - name: Drop in ops/secrets/default.nix
-        run: |
-          echo "$OPS_SECRETS_DEFAULTNIX" > ops/secrets/default.nix
-        env:
-          OPS_SECRETS_DEFAULTNIX: "${{ secrets.OPS_SECRETS_DEFAULTNIX }}"
+      - run: |
+        jq -s add system-paths/*.json > system-paths.json
 
-      - name: Build
-        run: |
-          nix-build ci-root.nix -A "machine.${{ matrix.target }}"
+      - name: Upload merged
+        uses: forgejo/upload-artifact@v4
+        with:
+          name: system-paths
+          path: system-paths.json