Fix CI: Check if workspace is git repo before clone

- If /opt/gbo/data/botserver/.git exists, pull instead of clone
- Prevents 'destination already exists' errors from persistent directories

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.forgejo/workflows/botserver.yaml

@@ -28,14 +28,22 @@ jobs:
         run: |
           mkdir -p $WORKSPACE
           cd $WORKSPACE
-          # Clean existing .git to avoid conflicts
-          rm -rf /opt/gbo/data/botserver/.git 2>/dev/null || true
           # Update or clone botserver (preserve git history for sccache fingerprints)
           if [ -d botserver/.git ]; then
             git -C botserver pull origin main
           else
             git clone --branch main https://alm.pragmatismo.com.br/GeneralBots/BotServer.git botserver
           fi
+          # Clean existing .git to avoid conflicts
+          rm -rf /opt/gbo/data/botserver/.git 2>/dev/null || true
+          # Check if workspace is valid git repo before cloning
+          if [ -d /opt/gbo/data/botserver/.git ]; then
+            echo "Workspace is valid git repo, using pull"
+            git -C /opt/gbo/data/botserver pull origin main || true
+          else
+            echo "Workspace is not a git repo, cloning fresh"
+            git clone --branch main https://alm.pragmatismo.com.br/GeneralBots/BotServer.git /opt/gbo/data/botserver
+          fi
           # Get workspace Cargo.toml from gb and strip unused members
           if [ -d /opt/gbo/data/botserver/.git ]; then
             git -C /opt/gbo/data/botserver pull origin main