additional fixes for CI

.gitea/workflows/ci.yml

@@ -17,14 +17,28 @@ jobs:
       run:
         working-directory: backend
     steps:
-      - uses: actions/checkout@v4
+      - name: Install system packages
+        working-directory: /
+        run: dnf install -y git python3 curl && dnf clean all
 
-      - name: Install Python
-        run: dnf install -y python3 && dnf clean all
+      - name: Checkout
+        working-directory: /
+        env:
+          TOKEN: ${{ github.token }}
+        run: |
+          git config --global credential.helper \
+            '!f() { printf "username=x-access-token\npassword=%s\n" "$TOKEN"; }; f'
+          git init "$GITHUB_WORKSPACE"
+          git -C "$GITHUB_WORKSPACE" remote add origin \
+            "${{ github.server_url }}/${{ github.repository }}.git"
+          git -C "$GITHUB_WORKSPACE" fetch --depth=1 origin "${{ github.sha }}"
+          git -C "$GITHUB_WORKSPACE" checkout FETCH_HEAD
 
-      - uses: astral-sh/setup-uv@v5
-        with:
-          enable-cache: true
+      - name: Install uv
+        working-directory: /
+        run: |
+          curl -LsSf https://astral.sh/uv/install.sh | sh
+          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
 
       - name: Install dependencies
         run: uv sync --no-dev
@@ -39,10 +53,22 @@ jobs:
       run:
         working-directory: backend/analytics
     steps:
-      - uses: actions/checkout@v4
+      - name: Install system packages
+        working-directory: /
+        run: dnf install -y git golang && dnf clean all
 
-      - name: Install Go
-        run: dnf install -y golang && dnf clean all
+      - name: Checkout
+        working-directory: /
+        env:
+          TOKEN: ${{ github.token }}
+        run: |
+          git config --global credential.helper \
+            '!f() { printf "username=x-access-token\npassword=%s\n" "$TOKEN"; }; f'
+          git init "$GITHUB_WORKSPACE"
+          git -C "$GITHUB_WORKSPACE" remote add origin \
+            "${{ github.server_url }}/${{ github.repository }}.git"
+          git -C "$GITHUB_WORKSPACE" fetch --depth=1 origin "${{ github.sha }}"
+          git -C "$GITHUB_WORKSPACE" checkout FETCH_HEAD
 
       - name: Vet
         run: go vet ./...