datapack: move delta chain entry reading to a seperate function

Authored by durham.

Description

datapack: move delta chain entry reading to a seperate function

In a future patch we will be reading delta chain entries from another function,
so let's move it to its own function.

Differential Revision: https://phab.mercurial-scm.org/D1687

Details

Committed
durhamDec 15 2017, 2:10 PM
Differential Revision
D1687: datapack: move delta chain entry reading to a seperate function
Parents
rFBHGX7818729065f0: cdatapack: move meta parsing to a function
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