Show added images

Author: seisman

.github/workflows/dvc-diff.yml

@@ -49,9 +49,32 @@ jobs:
       env:
         repo_token: ${{ secrets.GITHUB_TOKEN }}
       run: |
+        # Summary of changed images
         echo -e "## Summary of changed images\n" > report.md
         echo -e "This is an auto-generated report of images that have changed on the DVC remote\n" >> report.md
         dvc diff --show-md main HEAD >> report.md
+
+        # Get just the filename of the added and modified image from the report
+        awk 'NF==5 && NR>=7 && $2=="added" {print $4}' report.md > added_files.txt
+        awk 'NF==5 && NR>=7 && $2=="modified" {print $4}' report.md > modified_files.txt
+
+        # Append each image to the markdown report
+        echo -e "## Image diff(s)\n" >> report.md
+        echo -e "<details>\n" >> report.md
+
+        # Added images
+        echo -e "### Added images\n" >> report.md
+        while IFS= read -r line; do
+          echo -e "- $line \n" >> report.md
+          echo -e "![$line]($line)" >> report.md
+        done < added_files.txt
+
+        echo -e "</details>\n" >> report.md
+
+        # Mention git commit SHA in the report
+        echo -e "Report last updated at commit ${{ github.event.pull_request.head.sha }}" >> report.md
+
+        # create/update the PR comment
         cml comment update report.md
 
     - name: Generate the image diff report