Skip RTD workflow on non-documentation changes

Author: sepehr-rs

.readthedocs.yml

@@ -4,6 +4,15 @@ build:
   os: ubuntu-24.04
   tools:
     python: "3.12"
+  jobs:
+    post_checkout:
+      - |
+        if [ "$READTHEDOCS_VERSION_TYPE" != "external" ]; then
+          CHANGED_FILES=$(git diff --name-only HEAD^ HEAD || echo "")
+          if [ -n "$CHANGED_FILES" ] && ! echo "$CHANGED_FILES" | grep -qE '\.(po|yaml|yml)$'; then
+            exit 183
+          fi
+        fi
 
   commands:
     - git clone --depth 1 --branch v3.14.6 https://github.com/python/cpython venv/cpython