add CI images to repo

.forgejo/workflows/images.yaml

@@ -0,0 +1,21 @@
+on:
+  push:
+    branches: [main]
+  schedule:
+    - cron: "0 0 * * 0"
+  workflow_dispatch:
+jobs:
+  check:
+    runs-on: nix-upstream-latest
+    steps:
+      - run: echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
+      - run: nix-env -i nodejs skopeo # bootstrap
+      - uses: actions/checkout@v4
+      - run: mkdir -p /etc/containers && cp .forgejo/default-policy.json /etc/containers/policy.json
+      - run: |-
+          for line in $(cat .forgejo/tags.txt); do
+            IFS=: read -r pkg tag <<< $line
+            cp $(nix build .#$pkg --print-out-paths) /tmp/img.tar.gz
+            gunzip /tmp/img.tar.gz
+            skopeo copy --dest-creds="${{ secrets.FJ_USER }}:${{ secrets.FJ_PASS }}" docker-archive:///tmp/img.tar docker://git.10110110.xyz/ci/$tag:latest
+          done

.forgejo/workflows/nvim-bundle.yml

@@ -2,23 +2,24 @@ name: build
 
 on:
   push:
-    branches:
-      - main
+    branches: [main]
 jobs:
-  build:
-    runs-on: nix-latest
+  nvim-bundle:
+    runs-on: nix-upstream-latest
     strategy:
       matrix:
         package_name: ["nvim"]
     steps:
+      - run: echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
+      - run: nix-env -i nodejs
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
-      - name: check
+      - name: nix flake check
         run: nix flake check
       - name: Run `nix bundle`
         if: github.ref == 'refs/heads/main'
         id: build
         run: |
+          groups nixbld1
           nix bundle \
               -o ${{ matrix.package_name }}.AppImage \
               --bundler github:ralismark/nix-appimage \