end
if metadata
- meta = YAML.load(metadata)
+ meta = YAML.load(metadata, permitted_classes: [Time])
timefmt = "%FT%T%z"
updatestr = updatetime.round.strftime(timefmt)
autoset = nil
if autoset
# Revalidate YAML
- meta = YAML.load(metadata)
+ meta = YAML.load(metadata, permitted_classes: [Time])
unless meta[autoset] == updatetime.round
raise "failed to auto-insert " + autoset
end