direct: simplify old state inference when no local diff exists #4485
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When there's a remote diff but no local diff for a field, it means oldState == newConfig for that field. We can therefore use ch.New (from newConfig) directly as the old state value, rather than attempting to fetch it from oldState with structaccess.Get. This simplifies the code and removes unnecessary error handling. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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| if err != nil && !errors.As(err, ¬Found) { | ||
| log.Debugf(ctx, "Constructing diff: accessing %q on %T: %s", ch.Path, oldState, err) | ||
| } | ||
| // We have a difference for remoteState but not for localState. |
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We don't know that, we can have a difference recorded at different levels.
For example, old->new diff for 'field' and new->remote diff for 'field.subfield'.
See also #4451
It looks like we make the same assumption below for Remote.
andrewnester
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Feb 10, 2026
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Commit: 61c309e
55 interesting tests: 33 FAIL, 7 KNOWN, 5 SKIP, 5 RECOVERED, 5 flaky
Top 50 slowest tests (at least 2 minutes):
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Changes
When there's a remote diff but no local diff for a field, it means
oldState == newConfigfor that field. Usech.Newdirectly instead of fetching fromoldStatewithstructaccess.Get().Tests
Existing tests pass.