ci: add nix flake

Merge pull request #80 from cafkafk/cafkdev-naive-flake

.gitignore

@@ -1,3 +1,6 @@
+# Nix Flake stuff
+result
+
 # Rust stuff
 target
 

flake.lock

@@ -0,0 +1,197 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "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"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1690373729,
+        "narHash": "sha256-e136hTT7LqQ2QjOTZQMW+jnsevWwBpMj78u6FRUsH9I=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "d9a33d69a9c421d64c8d925428864e93be895dcc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1688231357,
+        "narHash": "sha256-ZOn16X5jZ6X5ror58gOJAxPfFLAQhZJ6nOUeS4tfFwo=",
+        "path": "/nix/store/aw6kmwd8a02n2c1wysrfk2q31brlmqdz-source",
+        "rev": "645ff62e09d294a30de823cb568e9c6d68e92606",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1690593349,
+        "narHash": "sha256-i6jdORO+YiP19pFNeR7oYIIwmzQvdxwNO+BmtATcYpA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "11cf5e1c74fe6892e860afeeaf3bfb84fdb7b1c3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1681358109,
+        "narHash": "sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII+F+x2hklDOQPB50=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "96ba1c52e54e74c3197f4d43026b3f3d92e83ff9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1680945546,
+        "narHash": "sha256-8FuaH5t/aVi/pR1XxnF0qi4WwMYC+YxlfdsA0V+TEuQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d9f759f2ea8d265d974a6e1259bd510ac5844c5d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2",
+        "rust-overlay": "rust-overlay",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1690596958,
+        "narHash": "sha256-SWqxUiEP9O2gvlWtR4Ku6rIMGM7PuNZreAPrU2yAjsk=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "5c06b0ed7bfb00f3a925af6c4acd1636596381c1",
+        "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"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_4"
+      },
+      "locked": {
+        "lastModified": 1689620039,
+        "narHash": "sha256-BtNwghr05z7k5YMdq+6nbue+nEalvDepuA7qdQMAKoQ=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "719c2977f958c41fa60a928e2fbc50af14844114",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,104 @@
+{
+  inputs = {
+
+    flake-utils.url = "github:numtide/flake-utils";
+
+    naersk.url = "github:nix-community/naersk";
+
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+
+    rust-overlay.url = "github:oxalica/rust-overlay";
+
+  };
+
+  outputs = {
+      self
+    , flake-utils
+    , naersk
+    , nixpkgs
+    , treefmt-nix
+    , rust-overlay
+  }:
+    flake-utils.lib.eachDefaultSystem (
+
+      system: let
+
+        overlays = [(import rust-overlay)];
+
+        pkgs = (import nixpkgs) {
+
+          inherit system overlays;
+
+        };
+
+        toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+
+        naersk' = pkgs.callPackage naersk {
+
+          cargo = toolchain;
+
+          rustc = toolchain;
+
+        };
+
+        treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
+
+      in {
+
+        # For `nix fmt`
+
+        formatter = treefmtEval.config.build.wrapper;
+
+
+        # packages.default = naersk'.buildPackage {
+
+        #   src = ./.;
+
+        # };
+        packages = {
+          # For `nix build` & `nix run`:
+          default = naersk'.buildPackage {
+            src = ./.;
+          };
+          # Run `nix build .#check` to check code
+          check = naersk'.buildPackage {
+            src = ./.;
+            mode = "check";
+          };
+          # Run `nix build .#test` to run tests
+          test = naersk'.buildPackage {
+            src = ./.;
+            mode = "test";
+          };
+          # Run `nix build .#clippy` to lint code
+          clippy = naersk'.buildPackage {
+            src = ./.;
+            mode = "clippy";
+          };
+        };
+
+        # For `nix develop`:
+
+        devShells.default = pkgs.mkShell {
+
+          nativeBuildInputs = with pkgs; [toolchain];
+
+        };
+
+        # for `nix flake check`
+
+        checks = {
+
+          formatting = treefmtEval.config.build.check self;
+
+        };
+
+      }
+
+    );
+
+}
+
+

rust-toolchain.toml

@@ -1,2 +1,4 @@
 [toolchain]
-channel = "1.63.0"
+channel = "nightly"
+components = [ "rustfmt", "rustc", "rust-src", "rust-analyzer", "cargo" ]
+profile = "minimal"

treefmt.nix

@@ -0,0 +1,8 @@
+{
+  projectRootFile = "Cargo.toml";
+  programs = {
+    # alejandra.enable = true;
+    rustfmt.enable = true;
+  };
+}
+