- if (minimum and !git_check_ref_format(minimum)) or !git_check_ref_format(maximum)
- logger.warn "find_commit_range called with invalid minimum or maximum: '#{minimum}', '#{maximum}'"
+ if minimum and minimum.empty?
+ minimum = nil
+ end
+
+ if minimum and !git_check_ref_format(minimum)
+ logger.warn "find_commit_range called with invalid minimum revision: '#{minimum}'"