I think the 2nd patch to avoid the read error helps with the cgit system test at least. Christopher Baines (2): marionette: Make it easier to debug REPL read failures. marionette: Avoid read error when wait-for-file file is empty. gnu/build/marionette.scm | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)