Fix issue where blob_at would extract from the merge and not the tip.
Fix issue where blob_at would extract from the merge and not the tip.

Fixes #231

skateman/miq_bot,skateman/miq_bot,ManageIQ/miq_bot,imtayadeway/miq_bot,ManageIQ/miq_bot,imtayadeway/miq_bot,imtayadeway/miq_bot,skateman/miq_bot,ManageIQ/miq_bot,ManageIQ/miq_bot