# msgid "" msgstr "" msgid "" "In the same vein of my earlier post on [swift2nix]({% link " "_articles/2020-10-05-swift2nix-run-swift-inside-nix-builds.md %}), I was " "able to quickly prototype a Rust and Cargo variation of it: " "[cargo2nix](https://git.euandreh.xyz/cargo2nix/about/)." msgstr "" msgid "" "The initial prototype is even smaller than swift2nix: it has only [37 lines " "of " "code](https://git.euandreh.xyz/cargo2nix/tree/default.nix?id=472dde8898296c8b6cffcbd10b3b2c3ba195846d)." msgstr "" msgid "Here's how to use it (snippet taken from the repo's README):" msgstr "" msgid "" "That `cargo test` part on line 20 is what I have been fighting with every " "\"\\*2nix\" available for Rust out there. I don't want to bash any of them. " "All I want is to have full control of what Cargo commands to run, and the " "\"*2nix\" tool should only setup the environment for me. Let me drive Cargo " "myself, no need to parameterize how the tool runs it for me, or even " "replicate its internal behaviour by calling the Rust compiler directly." msgstr "" msgid "" "Sure it doesn't support private registries or Git dependencies, but how much" " bigger does it has to be to support them? Also, it doesn't support those " "**yet**, there's no reason it can't be extended. I just haven't needed it " "yet, so I haven't added. Patches welcome." msgstr "" msgid "" "The layout of the `vendor/` directory is more explicit and public then what " "swift2nix does: it is whatever the command `cargo vendor` returns. However I" " haven't checked if the shape of the `.cargo-checksum.json` is specified, or" " internal to Cargo." msgstr "" msgid "Try out the demo (also taken from the repo's README):" msgstr "" msgid "Report back if you wish. Again, patches welcome." msgstr "" msgid "" "let\n" " niv-sources = import ./nix/sources.nix;\n" " mozilla-overlay = import niv-sources.nixpkgs-mozilla;\n" " pkgs = import niv-sources.nixpkgs { overlays = [ mozilla-overlay ]; };\n" " src = pkgs.nix-gitignore.gitignoreSource [ ] ./.;\n" " cargo2nix = pkgs.callPackage niv-sources.cargo2nix {\n" " lockfile = ./Cargo.lock;\n" " };\n" "in pkgs.stdenv.mkDerivation {\n" " inherit src;\n" " name = \"cargo-test\";\n" " buildInputs = [ pkgs.latest.rustChannels.nightly.rust ];\n" " phases = [ \"unpackPhase\" \"buildPhase\" ];\n" " buildPhase = ''\n" " # Setup dependencies path to satisfy Cargo\n" " mkdir .cargo/\n" " ln -s ${cargo2nix.env.cargo-config} .cargo/config\n" " ln -s ${cargo2nix.env.vendor} vendor\n" "\n" " # Run the tests\n" " cargo test\n" " touch $out\n" " '';\n" "}\n" msgstr "" msgid "" "pushd \"$(mktemp -d)\"\n" "git clone https://git.euandreh.xyz/cargo2nix-demo\n" "cd cargo2nix-demo/\n" "nix-build\n" msgstr "" msgid "title: \"cargo2nix: Dramatically simpler Rust in Nix\"" msgstr "" msgid "date: 2020-10-05 2" msgstr "" msgid "layout: post" msgstr "" msgid "lang: en" msgstr "" msgid "ref: cargo2nix-dramatically-simpler-rust-in-nix" msgstr "" #~ msgid "" #~ "title: \"cargo2nix: Dramatically simpler Rust in Nix\"\n" #~ "date: 2020-10-05 2\n" #~ "layout: post\n" #~ "lang: en\n" #~ "ref: cargo2nix-dramatically-simpler-rust-in-nix\n" #~ "eu_categories: mediator" #~ msgstr "" #~ msgid "" #~ "title: \"cargo2nix: Dramatically simpler Rust in Nix\"\n" #~ "date: 2020-10-05 2\n" #~ "layout: post\n" #~ "lang: en\n" #~ "ref: cargo2nix-dramatically-simpler-rust-in-nix\n" #~ "category: mediator" #~ msgstr ""