node: handle removal of cob from cache
When a Patch or Issue is entirely removed from the Git repository,
then there is no update to be made – instead it should also be
removed from the cache.
This covers the case where the original author of the COB deletes the COB.
When a Patch or Issue is entirely removed from the Git repository,
then there is no update to be made – instead it should also be
removed from the cache.
This covers the case where the original author of the COB deletes the COB.
Rebase.