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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.
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F18622833: D19371.id.diff
Mon, Sep 15, 1:06 PM
F18618724: D19371.diff
Mon, Sep 15, 12:49 AM
F18610989: D19371.diff
Sun, Sep 14, 5:53 AM
F18509573: D19371.id.diff
Sep 5 2025, 3:28 AM
F18502718: D19371.diff
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F17949066: D19371.id46345.diff
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F17917045: D19371.diff
Jul 29 2025, 11:04 PM
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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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