test.sh in conjur-cli-5.6.5 vs test.sh in conjur-cli-5.6.6

@@ -10,9 +10,12 @@
 
 # Clones 'Dockerfile' and updates the Ruby version in FROM, returning the cloned file's path
 function dockerfile_path {
     echo "Setting Ruby version as ${RUBY_VERSION}" >&2
     cp "Dockerfile" "Dockerfile.${RUBY_VERSION}"
+    if ! grep "Dockerfile.${RUBY_VERSION}" .git/info/exclude >/dev/null; then
+        echo "Dockerfile.${RUBY_VERSION}*" >>.git/info/exclude
+    fi
     sed -i -e "s/${RUBY_VERSION_DEFAULT}/${RUBY_VERSION}/g" Dockerfile.${RUBY_VERSION}
 
     echo "Dockerfile.${RUBY_VERSION}"
 }