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89 lines
3.4 KiB
Markdown
89 lines
3.4 KiB
Markdown
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# Release 1.8 (2014-12-14)
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- Breaking change: to address a race condition, the remote build hook
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mechanism now uses `nix-store
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--serve` on the remote machine. This requires build slaves to be
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updated to Nix 1.8.
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- Nix now uses HTTPS instead of HTTP to access the default binary
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cache, `cache.nixos.org`.
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- `nix-env` selectors are now regular expressions. For instance, you
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can do
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$ nix-env -qa '.*zip.*'
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to query all packages with a name containing `zip`.
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- `nix-store --read-log` can now fetch remote build logs. If a build
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log is not available locally, then ‘nix-store -l’ will now try to
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download it from the servers listed in the ‘log-servers’ option in
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nix.conf. For instance, if you have the configuration option
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log-servers = http://hydra.nixos.org/log
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then it will try to get logs from `http://hydra.nixos.org/log/base
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name of the
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store path`. This allows you to do things like:
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$ nix-store -l $(which xterm)
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and get a log even if `xterm` wasn't built locally.
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- New builtin functions: `attrValues`, `deepSeq`, `fromJSON`,
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`readDir`, `seq`.
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- `nix-instantiate --eval` now has a `--json` flag to print the
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resulting value in JSON format.
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- `nix-copy-closure` now uses `nix-store --serve` on the remote side
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to send or receive closures. This fixes a race condition between
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`nix-copy-closure` and the garbage collector.
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- Derivations can specify the new special attribute
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`allowedRequisites`, which has a similar meaning to
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`allowedReferences`. But instead of only enforcing to explicitly
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specify the immediate references, it requires the derivation to
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specify all the dependencies recursively (hence the name,
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requisites) that are used by the resulting output.
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- On Mac OS X, Nix now handles case collisions when importing closures
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from case-sensitive file systems. This is mostly useful for running
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NixOps on Mac OS X.
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- The Nix daemon has new configuration options `allowed-users`
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(specifying the users and groups that are allowed to connect to the
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daemon) and `trusted-users` (specifying the users and groups that
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can perform privileged operations like specifying untrusted binary
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caches).
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- The configuration option `build-cores` now defaults to the number of
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available CPU cores.
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- Build users are now used by default when Nix is invoked as root.
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This prevents builds from accidentally running as root.
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- Nix now includes systemd units and Upstart jobs.
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- Speed improvements to `nix-store
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--optimise`.
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- Language change: the `==` operator now ignores string contexts (the
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“dependencies” of a string).
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- Nix now filters out Nix-specific ANSI escape sequences on standard
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error. They are supposed to be invisible, but some terminals show
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them anyway.
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- Various commands now automatically pipe their output into the pager
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as specified by the PAGER environment variable.
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- Several improvements to reduce memory consumption in the evaluator.
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This release has contributions from Adam Szkoda, Aristid Breitkreuz, Bob
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van der Linden, Charles Strahan, darealshinji, Eelco Dolstra, Gergely
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Risko, Joel Taylor, Ludovic Courtès, Marko Durkovic, Mikey Ariel, Paul
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Colomiets, Ricardo M. Correia, Ricky Elrod, Robert Helgesson, Rob
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Vermaas, Russell O'Connor, Shea Levy, Shell Turner, Sönke Hahn, Steve
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Purcell, Vladimír Čunát and Wout Mertens.
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