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See #13570 for details --- the idea is that included the store dir in store paths makes systematic JSON parting with e.g. Serde, Aeson, nlohmann, or similiar harder. After talking to Eelco, we are changing the `Derivation` format right away because not only is `nix derivation` technically experimental, we think it is also less widely used in practice than, say, `nix path-info`. Progress on #13570
17 lines
713 B
Markdown
17 lines
713 B
Markdown
---
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synopsis: Derivation JSON format now uses store path basenames (no store dir) only
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prs: [13980]
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issues: [13570]
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---
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Experience with many JSON frameworks (e.g. nlohmann/json in C++, Serde
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in Rust, and Aeson in Haskell), has show that the use of the store dir
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in JSON formats is an impediment to systematic JSON formats, because it
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requires the serializer/deserializer to take an extra paramater (the
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store dir).
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We ultimately want to rectify this issue with all (non-stable, able to
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be changed) JSON formats. To start with, we are changing the JSON format
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for derivations because the `nix derivation` commands are --- in
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addition to being formally unstable --- less widely used than other
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unstable commands.
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