Add release workflow

Author: decoyjoe

.github/workflows/build.yml

@@ -1,6 +1,14 @@
 name: Build
 
-on: [push, workflow_dispatch]
+on:
+  pull_request:
+  # push:
+  workflow_call:
+    outputs:
+      artifact_name:
+        description: Name of the sanoid-portable artifact uploaded during the build.
+        value: ${{ jobs.build.outputs.artifact_name }}
+  workflow_dispatch:
 
 jobs:
   build:

.github/workflows/release.yml

@@ -0,0 +1,25 @@
+name: Release
+
+on:
+  push:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  call-build-workflow:
+    uses: ./.github/workflows/build.yml
+
+  release:
+    runs-on: ubuntu-latest
+    needs: call-build-workflow
+    steps:
+      - name: Download sanoid-portable artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ needs.call-build-workflow.outputs.artifact_name }}
+      - name: Assert sanoid-portable version matches Release version
+        run: |
+          sudo update-binfmts --install APE /bin/sh --magic MZqFpD
+          sudo chmod +x sanoid-portable
+          ./sanoid-portable --version