Workaround for https://youtrack.jetbrains.com/issue/IDEA-317355

configIdea.sh

@@ -33,7 +33,13 @@ if [[ ! -f /drupal/.idea/workspace.xml ]]; then
   echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><project version=\"4\"></project>" > /drupal/.idea/workspace.xml
 fi
 if [[ -f /drupal/.idea/codeStyles/Project.xml ]]; then
-  sed -i "/\bLINE_SEPARATOR\b/d" /drupal/.idea/codeStyles/Project.xml
+  grep -q LINE_SEPARATOR /drupal/.idea/codeStyles/Project.xml
+  if [[ $? -eq 0 ]]; then
+    sed -i "/foo/!{q100}; {s/\bLINE_SEPARATOR\b/d}" /drupal/.idea/codeStyles/Project.xml
+    echo -e "\\033[31m ======================================== \\033[0m"
+    echo -e "\\033[31m IDE setting updated - please restart.    \\033[0m"
+    echo -e "\\033[31m ======================================== \\033[0m"
+  fi
 fi
 
 php /usr/local/bin/.configIdea.php $UUID