#
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/)."
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 ""

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