Enhance retrain workflow with git history and conditions

Updated retrain workflow to include full git history and conditional model pushing.

.github/workflows/retrain.yml

@@ -15,8 +15,13 @@ jobs:
 
     steps:
       # 1. Get your code from GitHub
+      # --- THIS IS THE FIX ---
+      # We added "fetch-depth: 0" to download the full git history
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      # ------------------------
 
       # 2. Set up Python
       - name: Set up Python
@@ -32,16 +37,25 @@ jobs:
           pip install huggingface_hub
 
       # 4. Run the training script
-      # This downloads data from your HF Dataset and trains a new model
       - name: Run training script
+        id: train_step 
         env:
           HF_WRITE_TOKEN: ${{ secrets.HF_WRITE_TOKEN }}
         run: |
           python train_intent_classifier.py
+          
+          # Check if the model directory was created by the script
+          if [ -d "./models/intent-classifier" ]; then
+            echo "Training successful. Model directory found."
+            echo "MODEL_TRAINED=true" >> $GITHUB_OUTPUT
+          else
+            echo "Training skipped (e.g., not enough data). Model directory not found."
+            echo "MODEL_TRAINED=false" >> $GITHUB_OUTPUT
+          fi
       
-      # 5. Push the NEW MODEL to your Model Repo
-      # --- THIS IS THE CORRECTED STEP ---
+      # 5. Push the NEW MODEL (Only if a model was trained)
       - name: Push new model files to Hub
+        if: steps.train_step.outputs.MODEL_TRAINED == 'true'
         env:
           HF_TOKEN: ${{ secrets.HF_WRITE_TOKEN }}
         run: |
@@ -63,9 +77,9 @@ jobs:
           print('Model upload complete.')
           EOF
       
-      # 6. Push the LATEST CODE to your Space Repo
-      # This automatically triggers a restart of your Space
+      # 6. Push code to Space (Only if a model was trained)
       - name: Push code to Space and trigger restart
+        if: steps.train_step.outputs.MODEL_TRAINED == 'true'
         env:
           HF_TOKEN: ${{ secrets.HF_WRITE_TOKEN }}
         run: |
@@ -73,13 +87,9 @@ jobs:
           git config --global user.email "github-actions@github.com"
           git config --global user.name "GitHub Actions"
           
-          # Add the Hugging Face Space as a new git "remote"
-          # This uses your secret token to authenticate
           git remote add hf_space https://oauth:${HF_TOKEN}@huggingface.co/spaces/Sachin21112004/DreamFlow-AI
           
           echo "Pushing code to Space..."
-          # Force-push the code from GitHub to the Space's 'main' branch
-          # This overwrites the code on the Space with your GitHub code
           git push hf_space main --force
           
           echo "Code push to Space complete. Space will restart automatically."