WIP creating build script

.forgejo/workflows/build.yml

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# See Notices.txt for copyright information
+on:
+  schedule:
+    # every Monday at 00:00
+    - cron: "0 0 * * 1"
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: debian-12
+    steps:
+      - uses: actions/checkout@v3
+      - run: |
+          scripts/check-copyright.sh
+      - run: |
+          apt-get update -qq
+          apt-get install -qq proot skopeo umoci
+      - run: |
+          ./build-container.sh
+      - if: contains(fromJSON('["push", "schedule"]'), forgejo.event_name)
+        run: |
+          BASE="$(echo "${{ forgejo.server_url }}" | sed 's@https://@@')"
+          skopeo login -u "${{ forgejo.repository_owner }}" "$BASE" <<<"${{ secrets.CONTAINER_PUBLISH_TOKEN }}"
+          CONTAINER="$BASE/${{ forgejo.repository }}"
+          skopeo copy oci:build-container:latest "docker://$CONTAINER:g${{ forgejo.sha }}"
+          skopeo copy "docker://$CONTAINER:g${{ forgejo.sha }}" "docker://$CONTAINER:latest"
+          skopeo copy "docker://$CONTAINER:g${{ forgejo.sha }}" "docker://$CONTAINER:${{ forgejo.ref_name }}"