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43 строки
1.8 KiB
Plaintext
43 строки
1.8 KiB
Plaintext
https://www.youtube.com/playlist?list=PLRGI9KQ3_HP_OFRG6R-p4iFgMSK1t5BHs
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2020
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Libbey - Nix: What Even is it Though
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https://www.youtube.com/watch?v=6iVXaqUfHi4
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https://shopify.engineering/what-is-nix
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! core concepts (interdependent): store, language, derivation, sandbox
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! /nix/store : is like a DAG
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! /nix/store/* : nodes (immutables)
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! /nix-store --query --references|--graph /nix/store/...-bla-ver
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! to query "a graph database"
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!
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! Derivations - special entities in the Nix Store, describing [instructions] how to build "other" entities in the Nix Store
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! need to look, great internals overview
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! drvPath --> outPath (is created using a derivation)
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! $ nix-build /nix/store/<hash>-<name>.drv
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! /nix/store/<other-hash>-<name>
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!
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! Sandboxed builds
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! Nix normally builds with a sandbox that actually prevents access to anything not declared, or outside of the Nix Store
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! A path's hash is derived from its derivation's hash, which is derived from all of this
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! * outputs, inputDrvs, inputSrcs, platform, builder, args, env
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! There is no such thing as an implicit dependency in Nix
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!
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! Nix Language is
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! lazy evaluated
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! has [almost] no side effects (derivation has a side-effect of creating something at /nix/store/...)
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!
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! nixpkgs ... is really a one-big expression.
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! # nixpkgs/default.nix
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! {
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! ruby = derivation { ... };
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! python = derivation { ... };
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! nodejs = derivation { ... };
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! ...
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! }
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! https://github.com/NixOS/nixpkgs/blob/master/default.nix
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! https://github.com/NixOS/nixpkgs/blob/master/pkgs/top-level/impure.nix
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2020
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NixOS, nix-darwin, and home-manager
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https://www.youtube.com/watch?v=IUsQt4NRCnc
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! very sophisticated config
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