Build packages from sources.json

.gitignore

@@ -0,0 +1,5 @@
+.DS_Store
+.idea
+*.log
+tmp/
+result

flake.lock

@@ -0,0 +1,137 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1679567394,
+        "narHash": "sha256-ZvLuzPeARDLiQUt6zSZFGOs+HZmE+3g4QURc8mkBsfM=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "88cd22380154a2c36799fe8098888f0f59861a15",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1683777345,
+        "narHash": "sha256-V2p/A4RpEGqEZussOnHYMU6XglxBJGCODdzoyvcwig8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "635a306fc8ede2e34cb3dd0d6d0a5d49362150ed",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay",
+        "utils": "utils"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1683944292,
+        "narHash": "sha256-ks2N8FtrUvePO5X2fN9WoelgMVwDa1jUA7XEyC9S+7g=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "7ec9793168e4c328f08d10ab7ef4a1ada2dbf93e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -1,11 +1,39 @@
 {
-  description = "A very basic flake";
-
-  outputs = { self, nixpkgs }: {
-
-    packages.x86_64-linux.hello = nixpkgs.legacyPackages.x86_64-linux.hello;
-
-    packages.x86_64-linux.default = self.packages.x86_64-linux.hello;
-
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+    naersk = {
+      url = "github:nix-community/naersk";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    # Used for rust compiler
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
+
+  description = "Rust Toolchain and Utility Flake";
+
+  outputs = { self, nixpkgs, utils, ... }@inputs:
+    (utils.lib.eachDefaultSystem (system: {
+      packages = let
+        sources = builtins.fromJSON (builtins.readFile ./sources/sources.json);
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ (import inputs.rust-overlay) ];
+        };
+        rust = pkgs.rust-bin.stable.latest.default.override {
+          extensions = [ "llvm-tools-preview" ];
+        };
+        naersk-lib = inputs.naersk.lib."${system}".override {
+          rustc = rust;
+          cargo = rust;
+        };
+      in builtins.mapAttrs (name: source:
+        naersk-lib.buildPackage {
+          pname = source.pname;
+          src = pkgs.fetchCrate source;
+        }) sources;
+    }));
 }

sources/sources.json

@@ -1,32 +1,32 @@
-[
-  {
+{
+  "cargo-audit": {
     "hash": "sha256-ICNcBqlkX1k3J5vc/bfoXw/+l2LdHOchv4PfY0G7Y94=",
     "pname": "cargo-audit",
     "version": "0.17.6"
   },
-  {
+  "cargo-deny": {
     "hash": "sha256-/2HClc4rzQvvbmWXOotZuC9MEPPnPZKWCOVC2AadtG4=",
     "pname": "cargo-deny",
     "version": "0.13.9"
   },
-  {
+  "cargo-llvm-cov": {
     "hash": "sha256-5xHDjNFQDmi+SnhxfoCxoBdCqHpZEk/87r2sBKsT+W4=",
     "pname": "cargo-llvm-cov",
     "version": "0.5.19"
   },
-  {
+  "cargo-nextest": {
     "hash": "sha256-IY8H9TnOBj0nAn8G1o8onN5kWAhJxkiBhU9jQ0/pIss=",
     "pname": "cargo-nextest",
     "version": "0.9.52"
   },
-  {
+  "cargo-release": {
     "hash": "sha256-tmyIQMjKs37ZVqG/WV4Qe99Jc+bzneTmEMrvxV1Gnsc=",
     "pname": "cargo-release",
     "version": "0.24.10"
   },
-  {
+  "cargo-udeps": {
     "hash": "sha256-jvEhE/fngzEzRinA4iZYJbBfcl2CGbTwQB52h5laVf8=",
     "pname": "cargo-udeps",
     "version": "0.1.39"
   }
-]
+}

sources/update-sources.sh

@@ -19,5 +19,5 @@ do
 done
 
 popd
-jq -s "." $TEMP_DIR/* > $SOURCES_FILE
+jq -s "map({(.pname): .}) | add" $TEMP_DIR/* > $SOURCES_FILE
 rm -r $TEMP_DIR