CI: Fix ReadTheDocs test for [ci skip] with multiline commit messages

git log will emit a blank line which passes the grep -v test and prevents exiting.
BRL-CAD · Sep 15, 2024 · b7178fa · b7178fa
1 parent 0a40732
commit b7178fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
@@ -12,7 +12,7 @@ build:
 
   jobs:
     post_checkout:
-      - (git --no-pager log --pretty="tformat:%s -- %b" -1 | grep -viqP "skip ci|ci skip") || exit 183
+      - (git --no-pager log --pretty="tformat:%s -- %b" -1 | paste -s -d " " | grep -viqP "skip ci|ci skip") || exit 183
     pre_build:
       - ./docs/rtd/pre_build.sh
       - ./scripts/doxygen.sh