merge: invoke scmutil.fileprefetchhooks() prior to applying updates

Authored by mharbison72.

Description

merge: invoke scmutil.fileprefetchhooks() prior to applying updates

This moves the file list calculation into core, so other extensions don't need
to duplicate it.

Details

Committed
mharbison72Feb 11 2018, 1:25 PM
Parents
rHG62719115875d: revert: drop the remnant of the prefetchfiles hook
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