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Add an "--auto" flag to "bin/differential migrate-hunk"
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Authored by epriestley on Apr 16 2018, 1:45 PM.

Details

Summary

Depends on D19370. See T13124. See PHI549. The particular install in PHI549 migrated a large amount of data via the fallback hunk migration script, which does not compress hunks.

Add a mode to bin/differential migrate-hunk that amounts to "compress all the hunks which would benefit from compression".

Test Plan

Ran bin/differential migrate-hunk with --auto, --all, --to, --id, and --dry-run in various mixtures. Forced a bunch of hunks to raw ("byte") format, saw it cleanly upgrade them to compressed ("gzde") format.

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