experiment: validate the arm64 leg of package-arch-appimage.yml

Author: ScottMorris

.github/workflows/experiment-arm64-appimage.yml

@@ -0,0 +1,69 @@
+name: Experiment - arm64 AppImage validation
+
+# Throwaway workflow to validate the arm64 leg of
+# liminal-hq/.github's package-arch-appimage.yml before trusting it in the
+# real release pipeline. Never merged to main - branch and file get deleted
+# once this has answered the question.
+
+on:
+  push:
+    branches:
+      - experiment/arm64-appimage-validation
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build-deb:
+    name: Build .deb (arm64, existing ci-desktop image)
+    runs-on: ubuntu-24.04-arm
+    container:
+      image: ghcr.io/liminal-hq/tauri-ci-desktop:latest
+      credentials:
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v7
+
+      - name: Trust the GitHub workspace
+        run: git config --global --add safe.directory "${GITHUB_WORKSPACE}"
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version-file: .node-version
+          cache: pnpm
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Rust
+        uses: swatinem/rust-cache@v2
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build .deb bundle
+        run: pnpm --filter @emoji-picker/emoji-picker tauri build --bundles deb
+
+      - name: Upload .deb artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: emoji-nook-deb-arm64
+          path: target/release/bundle/deb/*.deb
+          if-no-files-found: error
+
+  package-appimage:
+    name: Package AppImage (arm64)
+    needs: build-deb
+    uses: liminal-hq/.github/.github/workflows/package-arch-appimage.yml@main
+    with:
+      runs-on: ubuntu-24.04-arm
+      deb-artifact-name: emoji-nook-deb-arm64
+      app-version: arm64-validation
+    secrets: inherit