91 lines
2.8 KiB
Text
91 lines
2.8 KiB
Text
Version 0.7
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* Binary patching. When upgrading components using pre-built binaries
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(through nix-pull / nix-channel), Nix can automatically download and
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apply binary patches to already installed components instead of full
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downloads. Patching is "smart": if there is a *sequence* of patches
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to an installed component, Nix will use it. Patches are currently
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generated automatically between Nixpkgs (pre-)releases.
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* Simplifications to the substitute mechanism.
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* Nix-pull now stores downloaded manifests in /nix/var/nix/manifests.
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* Metadata on files in the Nix store is canonicalised after builds:
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the last-modified timestamp is set to 0 (00:00:00 1/1/1970), the
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mode is set to 0444 or 0555 (readable and possibly executable by
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all; setuid/setgid bits are dropped), and the group is set to the
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default. This ensures that the result of a build and an
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installation through a substitute is the same; and that timestamp
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dependencies are revealed.
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Version 0.6
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Major changes include the following:
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* Rewrite of the normalisation engine.
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* Multiple builds can now be performed in parallel (option `-j').
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* Distributed builds. Nix can now call a shell script to forward
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builds to Nix installations on remote machines, which may or may
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not be of the same platform type.
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* Option `--fallback' allows recovery from broken substitutes.
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* Option `--keep-going' causes building of other (unaffected)
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derivations to continue if one failed.
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* Improvements to the garbage collector (i.e., it should actually work
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now).
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* Setuid Nix installations allow a Nix store to be shared among
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multiple users.
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* Substitute registration is much faster now.
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* A utility `nix-build' to build a Nix expression and create a symlink
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to the result int the current directory; useful for testing Nix
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derivations.
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* Manual updates.
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* `nix-env' changes:
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* Derivations for other platforms are filtered out (which can be
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overriden using `--system-filter').
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* `--install' by default now uninstall previous derivations with the
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same name.
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* `--upgrade' allows upgrading to a specific version.
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* New operation `--delete-generations' to remove profile
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generations (necessary for effective garbage collection).
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* Nicer output (sorted, columnised).
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* More sensible verbosity levels all around (builder output is now
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shown always, unless `-Q' is given).
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* Nix expression language changes:
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* New language construct: `with E1; E2' brings all attributes
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defined in the attribute set E1 in scope in E2.
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* Added a `map' function.
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* Various new operators (e.g., string concatenation).
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* Expression evaluation is much faster.
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* An Emacs mode for editing Nix expressions (with syntax highlighting
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and indentation) has been added.
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* Many bug fixes.
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Version 0.5 and earlier
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Please refer to the Subversion commit log messages.
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