Add generic Linux ARM SBC PortMaster build

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

.github/workflows/release.yml

@@ -1,9 +1,10 @@
 name: Release
 
 # Builds the macOS, Windows, and Linux desktop apps, an Android APK, an iOS
-# IPA, a Nintendo Switch SD-ready zip (experimental), and the Anbernic RG34XXSP
-# (Stock OS 64-bit MOD / PortMaster) port on the self-hosted Mac runner, and
-# publishes them as a GitHub Release.
+# IPA, a Nintendo Switch SD-ready zip (experimental), the Anbernic RG34XXSP
+# (Stock OS 64-bit MOD / PortMaster) and Linux ARM SBC PortMaster
+# handheld ports on the self-hosted Mac runner, and publishes them as a
+# GitHub Release.
 #
 # Versioning:
 #   - First ever release is 0.1.0.
@@ -215,6 +216,20 @@ jobs:
           # runtime from PortMaster-GUI, so it needs no signing/notarization.
           ./build-rg34xxsp.sh --version "${{ steps.ver.outputs.version }}"
 
+      - name: Build Linux ARM SBC PortMaster port
+        env:
+          # The release workflow must package the commit being released. The
+          # script defaults to the latest published release for standalone
+          # builds, while this explicit local override keeps CI source-aligned.
+          GEN1RECOMP_SOURCE_DIR: ${{ github.workspace }}
+          GEN1RECOMP_RELEASE_TAG: v${{ steps.ver.outputs.version }}
+        run: |
+          set -euo pipefail
+          # Same aarch64 PortMaster-style pack for Linux ARM SBC PortMaster. The build
+          # keeps its own cache because the two scripts use different staging
+          # layouts and runtime package paths.
+          ./build-linux-arm-sbc.sh --version "${{ steps.ver.outputs.version }}"
+
       - name: Notarize & staple macOS app
         if: github.repository == 'bryanthaboi/gen1recomp'
         run: |
@@ -282,6 +297,11 @@ jobs:
           [ -f "$rg34" ] || { echo "::error::$rg34 not found (expected from ./build-rg34xxsp.sh)"; exit 1; }
           cp "$rg34" "$outdir/gen1recomp-${v}-rg34xxsp-stockos64-mod.zip"
 
+          # Linux ARM SBC PortMaster handheld port.
+          sbc="dist/linux-arm-sbc/gen1recomp-sbc-portmaster.zip"
+          [ -f "$sbc" ] || { echo "::error::$sbc not found (expected from ./build-linux-arm-sbc.sh)"; exit 1; }
+          cp "$sbc" "$outdir/gen1recomp-${v}-sbc-portmaster.zip"
+
           # Platform-independent update payload, built alongside the desktop
           # apps above (same game.love that gets fused into each of them).
           love_file=".bazinga/work/game.love"
@@ -395,6 +415,7 @@ jobs:
             "dist/release/gen1recomp-${v}-ios.ipa"
             "dist/release/gen1recomp-${v}-switch.zip"
             "dist/release/gen1recomp-${v}-rg34xxsp-stockos64-mod.zip"
+            "dist/release/gen1recomp-${v}-sbc-portmaster.zip"
             "dist/release/gen1recomp-${v}.love"
             "dist/release/sha256sums.txt"
           )