ci: build c.delta.chat docs with nix

.github/workflows/upload-docs.yml

@@ -1,12 +1,12 @@
-name: Build & Deploy Documentation on rs.delta.chat
+name: Build & Deploy Documentation on rs.delta.chat, c.delta.chat, py.delta.chat
 
 on:
   push:
     branches:
       - main
 
 jobs:
-  build:
+  build-rs:
     runs-on: ubuntu-latest
 
     steps:
@@ -24,3 +24,41 @@ jobs:
           HOST: "delta.chat"
           SOURCE: "target/doc"
           TARGET: "/var/www/html/rs/"
+
+  build-python:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+          fetch-depth: 0 # Fetch history to calculate VCS version number.
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Build Python documentation
+        run: nix build .#python-docs
+      - name: Upload to py.delta.chat
+        run: |
+          mkdir -p "$HOME/.ssh"
+          echo "${{ secrets.CODESPEAK_KEY }}" > "$HOME/.ssh/key"
+          chmod 600 "$HOME/.ssh/key"
+          rsync -avzh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/result/html/ "[email protected]:/home/delta/build/master"
+
+  build-c:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+          fetch-depth: 0 # Fetch history to calculate VCS version number.
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Build C documentation
+        run: nix build .#docs
+      - name: Upload to py.delta.chat
+        run: |
+          mkdir -p "$HOME/.ssh"
+          echo "${{ secrets.CODESPEAK_KEY }}" > "$HOME/.ssh/key"
+          chmod 600 "$HOME/.ssh/key"
+          rsync -avzh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/result/html/ "[email protected]:/home/delta/build-c/master"

scripts/concourse/docs_wheels.yml

@@ -15,55 +15,6 @@ resources:
       tag_filter: "v*"
 
 jobs:
-  - name: doxygen
-    plan:
-      - get: deltachat-core-rust
-        trigger: true
-
-      # Build Doxygen documentation
-      - task: build-doxygen
-        config:
-          inputs:
-            - name: deltachat-core-rust
-          outputs:
-            - name: c-docs
-          image_resource:
-            source:
-              repository: alpine
-            type: registry-image
-          platform: linux
-          run:
-            path: sh
-            args:
-              - -ec
-              - |
-                apk add --no-cache doxygen git
-                cd deltachat-core-rust
-                scripts/run-doxygen.sh
-                cd ..
-                cp -av deltachat-core-rust/deltachat-ffi/html deltachat-core-rust/deltachat-ffi/xml c-docs/
-
-      - task: upload-c-docs
-        config:
-          inputs:
-            - name: c-docs
-          image_resource:
-            type: registry-image
-            source:
-              repository: alpine
-          platform: linux
-          run:
-            path: sh
-            args:
-              - -ec
-              - |
-                apk add --no-cache rsync openssh-client
-                mkdir -p ~/.ssh
-                chmod 700 ~/.ssh
-                echo "(("c.delta.chat".private_key))" > ~/.ssh/id_ed25519
-                chmod 600 ~/.ssh/id_ed25519
-                rsync -e "ssh -o StrictHostKeyChecking=no" -avz --delete c-docs/html/ [email protected]:build-c/master
-
   - name: python-x86_64
     plan:
       - get: deltachat-core-rust