Project boilerplate

.gitignore

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+/target
+result

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "nix-cache-bucket-gc"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "nix-cache-bucket-gc"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

README.md

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+# Nom Nom Nix GC
+
+Nom-noms buckets of your yummy Nix cache.

default.nix

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+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.rustPlatform.buildRustPackage {
+  pname = "nom-nom-nix-gc";
+  version = "0.0";
+  src = pkgs.lib.cleanSource ./.;
+  cargoHash = "sha256-yTbzY1PGxwevQ07LRSqIj/yzukxFOI427Yc6eE0KZc8=";
+}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1671417167,
+        "narHash": "sha256-JkHam6WQOwZN1t2C2sbp1TqMv3TVRjzrdoejqfefwrM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bb31220cca6d044baa6dc2715b07497a2a7c4bc7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Nom Nom Nix GC";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
+      pkgs = system: import nixpkgs {
+        inherit system;
+        overlays = [ self.overlays.default ];
+      };
+    in {
+      defaultPackage = forAllSystems (system: import ./. { pkgs = nixpkgs.legacyPackages.${system}; });
+      devShell = forAllSystems (system: nixpkgs.legacyPackages.${system}.callPackage ./shell.nix { });
+      formatter = forAllSystems (system:
+        nixpkgs.legacyPackages.${system}.nixpkgs-fmt
+      );
+    };
+}

shell.nix

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+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  nativeBuildInputs = [
+    pkgs.rustc
+    pkgs.cargo
+  ];
+}

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}