forked from lix-project/lix
83 lines
3.2 KiB
Markdown
83 lines
3.2 KiB
Markdown
# Release 2.2 (2019-01-11)
|
|
|
|
This is primarily a bug fix release. It also has the following changes:
|
|
|
|
- In derivations that use structured attributes (i.e. that specify set
|
|
the `__structuredAttrs` attribute to `true` to cause all attributes
|
|
to be passed to the builder in JSON format), you can now specify
|
|
closure checks per output, e.g.:
|
|
|
|
outputChecks."out" = {
|
|
# The closure of 'out' must not be larger than 256 MiB.
|
|
maxClosureSize = 256 * 1024 * 1024;
|
|
|
|
# It must not refer to C compiler or to the 'dev' output.
|
|
disallowedRequisites = [ stdenv.cc "dev" ];
|
|
};
|
|
|
|
outputChecks."dev" = {
|
|
# The 'dev' output must not be larger than 128 KiB.
|
|
maxSize = 128 * 1024;
|
|
};
|
|
|
|
- The derivation attribute `requiredSystemFeatures` is now enforced
|
|
for local builds, and not just to route builds to remote builders.
|
|
The supported features of a machine can be specified through the
|
|
configuration setting `system-features`.
|
|
|
|
By default, `system-features` includes `kvm` if `/dev/kvm` exists.
|
|
For compatibility, it also includes the pseudo-features
|
|
`nixos-test`, `benchmark` and `big-parallel` which are used by
|
|
Nixpkgs to route builds to particular Hydra build machines.
|
|
|
|
- Sandbox builds are now enabled by default on Linux.
|
|
|
|
- The new command `nix doctor` shows potential issues with your Nix
|
|
installation.
|
|
|
|
- The `fetchGit` builtin function now uses a caching scheme that puts
|
|
different remote repositories in distinct local repositories, rather
|
|
than a single shared repository. This may require more disk space
|
|
but is faster.
|
|
|
|
- The `dirOf` builtin function now works on relative paths.
|
|
|
|
- Nix now supports [SRI hashes](https://www.w3.org/TR/SRI/), allowing
|
|
the hash algorithm and hash to be specified in a single string. For
|
|
example, you can write:
|
|
|
|
import <nix/fetchurl.nix> {
|
|
url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz;
|
|
hash = "sha256-XSLa0FjVyADWWhFfkZ2iKTjFDda6mMXjoYMXLRSYQKQ=";
|
|
};
|
|
|
|
instead of
|
|
|
|
import <nix/fetchurl.nix> {
|
|
url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz;
|
|
sha256 = "5d22dad058d5c800d65a115f919da22938c50dd6ba98c5e3a183172d149840a4";
|
|
};
|
|
|
|
In fixed-output derivations, the `outputHashAlgo` attribute is no
|
|
longer mandatory if `outputHash` specifies the hash.
|
|
|
|
`nix hash-file` and `nix
|
|
hash-path` now print hashes in SRI format by default. They also use
|
|
SHA-256 by default instead of SHA-512 because that's what we use
|
|
most of the time in Nixpkgs.
|
|
|
|
- Integers are now 64 bits on all platforms.
|
|
|
|
- The evaluator now prints profiling statistics (enabled via the
|
|
`NIX_SHOW_STATS` and `NIX_COUNT_CALLS` environment variables) in
|
|
JSON format.
|
|
|
|
- The option `--xml` in `nix-store
|
|
--query` has been removed. Instead, there now is an option
|
|
`--graphml` to output the dependency graph in GraphML format.
|
|
|
|
- All `nix-*` commands are now symlinks to `nix`. This saves a bit of
|
|
disk space.
|
|
|
|
- `nix repl` now uses `libeditline` or `libreadline`.
|