This commit is contained in:
Eelco Dolstra 2021-10-01 16:29:53 +02:00
parent 91b39eee25
commit 43221bb319

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@ -23,7 +23,9 @@ more than 2800 commits from 195 contributors since release 2.3.
* The **`nix` command** has seen a lot of work and is now almost at
feature parity with the old command-line interface (the `nix-*`
commands). It aims to be [more modern, consistent and pleasant to
use](../contributing/cli-guideline.md) than the old CLI.
use](../contributing/cli-guideline.md) than the old CLI. It is still
marked as experimental but its interface should not change much
anymore in future releases.
* **Flakes** are a new format to package Nix-based projects in a more
discoverable, composable, consistent and reproducible way. A flake
@ -180,8 +182,9 @@ more than 2800 commits from 195 contributors since release 2.3.
* **New built-in functions**:
- `builtins.fetchTree` allows fetching a source tree using any
backends supported by the fetcher infrastructure. It replaces
`fetchGit`, `fetchMercurial` and `fetchTarball`.
backends supported by the fetcher infrastructure. It subsumes the
functionality of existing built-ins like `fetchGit`,
`fetchMercurial` and `fetchTarball`.
- `builtins.getFlake` fetches a flake and returns its output
attributes. This function should not be used inside flakes! Use
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- With `-p`, it passes any `--arg`s as Nixpkgs arguments.
- Support for structured attributes.
* `nix-prefetch-url` has a new `--executable` flag.
* On `x86_64` systems, [`x86_64` microarchitecture
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to your `nix.conf` if you want to use it, or pass
`--extra-experimental-features nix-command` on the command line.
* `nix run` has been renamed to `nix shell`.
* The old `nix run` has been renamed to `nix shell` (and there is a
new `nix run` that does something else, as described above).
* It is now an error to modify the `plugin-files` setting via a
command-line flag that appears after the first non-flag argument to
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`nix-instantiate --plugin-files "" default.nix`.
* We no longer release source tarballs. If you want to build from
source, please build from the Git repository.
source, please build from the tags in the Git repository.
## Contributors