Index File Handles are not released

[marstr]

System Information

Version:  v0.1.0-modified
System: windows/amd64
Go:  go1.12.7
Source Revision:  05632a81f6a19a425a115968ece5c855434c5390

What did you do?

baronial checkout {a transactionid}

What did you expect to happen?

The index should have been updated to hold the values of the state after a particular transaction.

What actually happened?

The operation failed with some error text.

Stack Trace

WARN[0000] checking out a RefSpec that isn't a branch can cause data loss
FATA[0000] remove {cash.txt location}: The process cannot access the file because it is being used by another process.