record: extract code to compute newly added and modified files

Authored by Laurent Charignon <lcharignon@fb.com>.

Description

record: extract code to compute newly added and modified files

We want to reuse this logic in revert.

Details

Committed
Laurent Charignon <lcharignon@fb.com>May 21 2015, 5:32 PM
Parents
rHG5a8398b085ed: record: extract ishunk to a function
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