Conditionally skip docs PR build

If there is no change to the docs folder or RTD YAML
compared to the amd-staging branch

amd/hipcc/.readthedocs.yaml

@@ -16,3 +16,16 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.10"
+  jobs:
+    post_checkout:
+    # Cancel building pull requests when there aren't changed in the docs directory or YAML file.
+    # You can add any other files or directories that you'd like here as well,
+    # like your docs requirements file, or other files that will change your docs build.
+    #
+    # If there are no changes (git diff exits with 0) we force the command to return with 183.
+    # This is a special exit code on Read the Docs that will cancel the build immediately.
+    - |
+      if [ "$READTHEDOCS_VERSION_TYPE" = "external" ] && git diff --quiet origin/amd-staging -- docs/ .readthedocs.yaml;
+      then
+        exit 183;
+      fi

openmp/.readthedocs.yaml

@@ -16,3 +16,16 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.10"
+  jobs:
+    post_checkout:
+    # Cancel building pull requests when there aren't changed in the docs directory or YAML file.
+    # You can add any other files or directories that you'd like here as well,
+    # like your docs requirements file, or other files that will change your docs build.
+    #
+    # If there are no changes (git diff exits with 0) we force the command to return with 183.
+    # This is a special exit code on Read the Docs that will cancel the build immediately.
+    - |
+      if [ "$READTHEDOCS_VERSION_TYPE" = "external" ] && git diff --quiet origin/amd-staging -- docs/ .readthedocs.yaml;
+      then
+        exit 183;
+      fi