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Eelco Dolstra 2024-06-03 18:13:37 +02:00
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22
doc/manual/src/release-notes/rl-2.23.md
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@ -7,15 +7,15 @@
[`debugger-on-warn`](@docroot@/command-ref/conf-file.md#conf-debugger-on-warn) and
[`abort-on-warn`](@docroot@/command-ref/conf-file.md#conf-abort-on-warn).
- Show all FOD errors with `nix build --keep-going`
- Make `nix build --keep-going` consistent with `nix-build --keep-going`
`nix build --keep-going` now behaves consistently with `nix-build --keep-going`. This means
that if e.g. multiple FODs fail to build, all hash mismatches are displayed.
This means that if e.g. multiple fixed-output derivations fail to
build, all hash mismatches are displayed.
- Modify `nix derivation {add,show}` JSON format [#9866](https://github.com/NixOS/nix/issues/9866) [#10722](https://github.com/NixOS/nix/pull/10722)
The JSON format for derivations has been slightly revised to better conform to our [JSON guidelines](@docroot@contributing/cli-guideline#returning-future-proof-json).
In particular, the hash algorithm and content addressing method of content-addresed derivation outputs is now separated into two fields `hashAlgo` and `method`,
In particular, the hash algorithm and content addressing method of content-addresed derivation outputs are now separated into two fields `hashAlgo` and `method`,
rather than one field with an arcane `:`-separated format.
This JSON format is only used by the experimental `nix derivation` family of commands, at this time.
@ -56,33 +56,33 @@
It is also somewhat analogous to the [planned](https://github.com/NixOS/nix/issues/10504) `nix dev shell` (currently `nix develop`), which is less about environment variables, and more about running a development shell, which is a more powerful command, but also requires more setup.
- New-cli flake commands that expect derivations now print the failing value and its type [#10778](https://github.com/NixOS/nix/pull/10778)
- Flake operations that expect derivations now print the failing value and its type [#10778](https://github.com/NixOS/nix/pull/10778)
In errors like `flake output attribute 'nixosConfigurations.yuki.config' is not a derivation or path`, the message now includes the failing value and type.
Before:
```
error: flake output attribute 'nixosConfigurations.yuki.config' is not a derivation or path
error: flake output attribute 'nixosConfigurations.yuki.config' is not a derivation or path
````
After:
```
error: expected flake output attribute 'nixosConfigurations.yuki.config' to be a derivation or path but found a set: { appstream = «thunk»; assertions = «thunk»; boot = { bcache = «thunk»; binfmt = «thunk»; binfmtMiscRegistrations = «thunk»; blacklistedKernelModules = «thunk»; bootMount = «thunk»; bootspec = «thunk»; cleanTmpDir = «thunk»; consoleLogLevel = «thunk»; «43 attributes elided» }; «48 attributes elided» }
error: expected flake output attribute 'nixosConfigurations.yuki.config' to be a derivation or path but found a set: { appstream = «thunk»; assertions = «thunk»; boot = { bcache = «thunk»; binfmt = «thunk»; binfmtMiscRegistrations = «thunk»; blacklistedKernelModules = «thunk»; bootMount = «thunk»; bootspec = «thunk»; cleanTmpDir = «thunk»; consoleLogLevel = «thunk»; «43 attributes elided» }; «48 attributes elided» }
```
- `fetchTree` now fetches git repositories shallowly by default [#10028](https://github.com/NixOS/nix/pull/10028)
- `fetchTree` now fetches Git repositories shallowly by default [#10028](https://github.com/NixOS/nix/pull/10028)
`builtins.fetchTree` now clones git repositories shallowly by default, which reduces network traffic and disk usage significantly in many cases.
`builtins.fetchTree` now clones Git repositories shallowly by default, which reduces network traffic and disk usage significantly in many cases.
Previously, the default behavior was to clone the full history of a specific tag or branch (eg. `ref`) and only afterwards extract the files of one specific revision.
Previously, the default behavior was to clone the full history of a specific tag or branch (e.g. `ref`) and only afterwards extract the files of one specific revision.
From now on, the `ref` and `allRefs` arguments will be ignored, except if shallow cloning is disabled by setting `shallow = false`.
The defaults for `builtins.fetchGit` remain unchanged. Here, shallow cloning has to be enabled manually by passing `shallow = true`.
- Store object info JSON format now uses `null` rather than omitting fields. [#9995](https://github.com/NixOS/nix/pull/9995)
- Store object info JSON format now uses `null` rather than omitting fields [#9995](https://github.com/NixOS/nix/pull/9995)
The [store object info JSON format](@docroot@/protocols/json/store-object-info.md), used for e.g. `nix path-info`, no longer omits fields to indicate absent information, but instead includes the fields with a `null` value.
For example, `"ca": null` is used to to indicate a store object that isn't content-addressed rather than omitting the `ca` field entirely.