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22 lines
1,021 B
Markdown
22 lines
1,021 B
Markdown
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# Release 0.7 (2005-01-12)
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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
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`/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 installation
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through a substitute is the same; and that timestamp dependencies
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are revealed.
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