Add support for Go 1.27 & jsonv2 (#8947)

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Makes OPA build and pass its tests on Go 1.27, while keeping Go 1.25 and
1.26 working. JSON output is unchanged on every supported version.

Go 1.27 json package honours `encoding.TextAppender`. Many v1 ast types
implement AppendText to build their Rego string cheaply, so on 1.27 they
would have marshalled as Rego text. Files built only with 1.27 now
implement MarshalJSONTo.

Library users should keep using `json.Marshal` etc. The MarshalJSONTo
methods are implementation details, are absent from 1.25 and 1.26
builds, and may change.

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Signed-off-by: Anders Eknert <anders.eknert@apple.com>
Signed-off-by: Charlie Egan <charlie_egan@apple.com>
Co-authored-by: Charlie Egan <charlie_egan@apple.com>

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This commit is contained in:

Anders Eknert

2026-07-30 18:41:28 +02:00

committed by GitHub

parent 27fe5ceac8

commit db035b09fc

64 changed files with 26296 additions and 699 deletions

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cmd/check_jsonv2_test.go

+1386

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