feat(nix): simplify flake.nix, remove devenv

.envrc

@@ -4,8 +4,6 @@ if ! has nix_direnv_version || ! nix_direnv_version 3.1.0; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.1.0/direnvrc" "sha256-yMJ2OVMzrFaDPn7q8nCBZFRYpL/f0RcHzhmw/i6btJM="
 fi
 
-export DEVENV_IN_DIRENV_SHELL=true
-
 # Load .env file if present
 dotenv_if_exists
 
@@ -20,5 +18,5 @@ if [[ -f .envrc.local ]]; then
 fi
 
 if ! use flake . --no-pure-eval; then
-  echo "Devenv could not be built. The devenv environment was not loaded. Make the necessary changes to flake.nix and hit enter to try again." >&2
+  echo "Development shell could not be built. The environment was not loaded. Make the necessary changes to flake.nix and hit enter to try again." >&2
 fi

flake.lock

@@ -23,65 +23,6 @@
         "type": "github"
       }
     },
-    "cachix": {
-      "inputs": {
-        "devenv": [
-          "devenv"
-        ],
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "git-hooks": [
-          "devenv",
-          "git-hooks"
-        ],
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1760971495,
-        "narHash": "sha256-IwnNtbNVrlZIHh7h4Wz6VP0Furxg9Hh0ycighvL5cZc=",
-        "owner": "cachix",
-        "repo": "cachix",
-        "rev": "c5bfd933d1033672f51a863c47303fc0e093c2d2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "latest",
-        "repo": "cachix",
-        "type": "github"
-      }
-    },
-    "devenv": {
-      "inputs": {
-        "cachix": "cachix",
-        "flake-compat": "flake-compat",
-        "flake-parts": "flake-parts",
-        "git-hooks": "git-hooks",
-        "nix": "nix",
-        "nixd": "nixd",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1770304289,
-        "narHash": "sha256-+g+XMyB1zi50h2N38GE32l7ZONX4oW7Nw6QSXzfNiwk=",
-        "owner": "cachix",
-        "repo": "devenv",
-        "rev": "fd777e39027d393346e4df672d51ad2bf44b2a12",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "devenv",
-        "type": "github"
-      }
-    },
     "fenix": {
       "inputs": {
         "nixpkgs": [
@@ -104,58 +45,6 @@
         "type": "github"
       }
     },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1761588595,
-        "narHash": "sha256-XKUZz9zewJNUj46b4AJdiRZJAvSZ0Dqj2BNfXvFlJC4=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "f387cd2afec9419c8ee37694406ca490c3f34ee5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-parts": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1760948891,
-        "narHash": "sha256-TmWcdiUUaWk8J4lpjzu4gCGxWY6/Ok7mOK4fIFfBuU4=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "864599284fc7c0ba6357ed89ed5e2cd5040f0c04",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "flake-root": {
-      "locked": {
-        "lastModified": 1723604017,
-        "narHash": "sha256-rBtQ8gg+Dn4Sx/s+pvjdq3CB2wQNzx9XGFq/JVGCB6k=",
-        "owner": "srid",
-        "repo": "flake-root",
-        "rev": "b759a56851e10cb13f6b8e5698af7b59c44be26e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "srid",
-        "repo": "flake-root",
-        "type": "github"
-      }
-    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -190,141 +79,25 @@
         "type": "github"
       }
     },
-    "git-hooks": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1760663237,
-        "narHash": "sha256-BflA6U4AM1bzuRMR8QqzPXqh8sWVCNDzOdsxXEguJIc=",
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "rev": "ca5b894d3e3e151ffc1db040b6ce4dcc75d31c37",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "devenv",
-          "git-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nix": {
-      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "flake-parts": [
-          "devenv",
-          "flake-parts"
-        ],
-        "git-hooks-nix": [
-          "devenv",
-          "git-hooks"
-        ],
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ],
-        "nixpkgs-23-11": [
-          "devenv"
-        ],
-        "nixpkgs-regression": [
-          "devenv"
-        ]
-      },
-      "locked": {
-        "lastModified": 1769708679,
-        "narHash": "sha256-uFKkp2/SjIqbu5HtINg/hwHN6qaqcxLIbL/om7dT3kI=",
-        "owner": "cachix",
-        "repo": "nix",
-        "rev": "72bec37fabbfe378d677868ec42eeb83acf07a4c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "devenv-2.32",
-        "repo": "nix",
-        "type": "github"
-      }
-    },
-    "nixd": {
-      "inputs": {
-        "flake-parts": [
-          "devenv",
-          "flake-parts"
-        ],
-        "flake-root": "flake-root",
-        "nixpkgs": [
-          "devenv",
-          "nixpkgs"
-        ],
-        "treefmt-nix": "treefmt-nix"
-      },
-      "locked": {
-        "lastModified": 1763964548,
-        "narHash": "sha256-JTRoaEWvPsVIMFJWeS4G2isPo15wqXY/otsiHPN0zww=",
-        "owner": "nix-community",
-        "repo": "nixd",
-        "rev": "d4bf15e56540422e2acc7bc26b20b0a0934e3f5e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixd",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767052823,
+        "lastModified": 1779877693,
-        "narHash": "sha256-Fhuljcy7pJ8HacYYATRcm5rdKXx8P6D/0g19ppzDRNY=",
+        "narHash": "sha256-NOF9NAREhxr50bbBfVcVOq+ArCMSoe8dP79Pk2uyARk=",
-        "owner": "cachix",
+        "owner": "NixOS",
-        "repo": "devenv-nixpkgs",
+        "repo": "nixpkgs",
-        "rev": "538a5124359f0b3d466e1160378c87887e3b51a4",
+        "rev": "4100e830e085863741bc69b156ec4ccd53ab5be0",
         "type": "github"
       },
       "original": {
-        "owner": "cachix",
+        "owner": "NixOS",
-        "ref": "rolling",
+        "ref": "nixpkgs-unstable",
-        "repo": "devenv-nixpkgs",
+        "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
         "alejandra": "alejandra",
-        "devenv": "devenv",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"
@@ -354,11 +127,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1770260791,
+        "lastModified": 1779992051,
-        "narHash": "sha256-ADTBfENFjRVDQMcCycyX/pAy6NFI/Ct6Mrar3gsmXI0=",
+        "narHash": "sha256-4YWGv/0NkAdtTW1MXfaLYpfC9BhpCy9k1pWkR0xI9uw=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "42ec85352e419e601775c57256a52f6d48a39906",
+        "rev": "e93ad0df1073b2c969a8f0c1f10b84e870469d40",
         "type": "github"
       },
       "original": {
@@ -381,28 +154,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "devenv",
-          "nixd",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1734704479,
-        "narHash": "sha256-MMi74+WckoyEWBRcg/oaGRvXC9BVVxDZNRMpL+72wBI=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "65712f5af67234dad91a5a4baee986a8b62dbf8f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
     }
   },
   "root": "root",

flake.nix

@@ -2,16 +2,12 @@
   description = "Conventional commits for Jujutsu";
 
   inputs = {
-    nixpkgs.url = "github:cachix/devenv-nixpkgs/rolling";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
     alejandra = {
       url = "github:kamadorueda/alejandra/4.0.0";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    devenv = {
-      url = "github:cachix/devenv";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -19,8 +15,16 @@
   };
 
   nixConfig = {
-    extra-trusted-public-keys = ["devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw=" "phundrak.cachix.org-1:osJAkYO0ioTOPqaQCIXMfIRz1/+YYlVFkup3R2KSexk="];
+    extra-trusted-public-keys = [
-    extra-substituters = ["https://devenv.cachix.org" "https://phundrak.cachix.org"];
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
+      "phundrak.cachix.org-1:osJAkYO0ioTOPqaQCIXMfIRz1/+YYlVFkup3R2KSexk="
+    ];
+    extra-substituters = [
+      "https://nix-community.cachix.org"
+      "https://devenv.cachix.org"
+      "https://phundrak.cachix.org"
+    ];
   };
 
   outputs = {
@@ -29,37 +33,65 @@
     rust-overlay,
     alejandra,
     ...
-  } @ inputs:
+  }:
     flake-utils.lib.eachDefaultSystem (
       system: let
         overlays = [(import rust-overlay)];
         pkgs = import nixpkgs {inherit system overlays;};
         rustVersion = pkgs.rust-bin.stable.latest.default;
-        rustPlatform = pkgs.makeRustPlatform {
+        targets = {
-          cargo = rustVersion;
+          linux-x86_64 = {
-          rustc = rustVersion;
+            crossPkgs = pkgs;
+            triple = "x86_64-unknown-linux-gnu";
+            exeSuffix = "";
+          };
+          linux-aarch64 = {
+            crossPkgs = pkgs.pkgsCross.aarch64-multiplatform;
+            triple = "aarch64-unknown-linux-gnu";
+            exeSuffix = "";
+          };
+          windows-x86_64 = {
+            crossPkgs = pkgs.pkgsCross.mingwW64;
+            triple = "x86_64-pc-windows-gnu";
+            exeSuffix = ".exe";
+          };
+          windows-aarch64 = {
+            crossPkgs = pkgs.pkgsCross.aarch64-windows;
+            triple = "aarch64-pc-windows-gnu";
+            exeSuffix = ".exe";
+          };
+          macos-x86_64 = {
+            crossPkgs = pkgs.pkgsCross.x86_64-darwin;
+            triple = "x86_64-apple-darwin";
+            exeSuffix = "";
+          };
+          macos-aarch64 = {
+            crossPkgs = pkgs.pkgsCross.aarch64-darwin;
+            triple = "aarch64-apple-darwin";
+            exeSuffix = "";
+          };
+        };
+        mkRustBuild = import ./nix/package.nix;
+        packages = {
+          linux-x86_64 = mkRustBuild {inherit pkgs; target = targets.linux-x86_64; };
+          linux-aarch64 = mkRustBuild { inherit pkgs; target = targets.linux-aarch64; };
+          windows-x86_64 = mkRustBuild { inherit pkgs; target = targets.windows-x86_64; };
+          macos-aarch64 = mkRustBuild { inherit pkgs; target = targets.macos-aarch64; };
+        };
+        defaultBySystem = {
+          "x86_64-linux" = packages.linux-x86_64;
+          "aarch64-linux" = packages.linux-aarch64;
+          "x86_64-windows" = packages.windows-x86_64;
+          "aarch64-macos" = packages.macos-aarch64;
         };
       in {
         formatter = alejandra.defaultPackage.${system};
-        packages = let
+        packages =
-          nativeRustVersion = pkgs.rust-bin.stable.latest.default;
+          packages
-          nativeRustPlatform = pkgs.makeRustPlatform {
+          // {
-            cargo = nativeRustVersion;
+            default = defaultBySystem.${system} or packages.linux-x86_64;
-            rustc = nativeRustVersion;
-          };
-          mingwPkgs = pkgs.pkgsCross.mingwW64;
-          windowsRustVersion = pkgs.rust-bin.stable.latest.default.override {
-            targets = ["x86_64-pc-windows-gnu"];
-          };
-          windowsRustPlatform = mingwPkgs.makeRustPlatform {
-            cargo = windowsRustVersion;
-            rustc = windowsRustVersion;
-          };
-        in
-          import ./nix/package.nix {inherit pkgs nativeRustPlatform windowsRustPlatform;};
-        devShell = import ./nix/shell.nix {
-          inherit inputs pkgs rustVersion;
           };
+        devShell = import ./nix/shell.nix {inherit pkgs rustVersion;};
       }
     );
 }

nix/package.nix

@@ -1,8 +1,6 @@
 {
+  target,
   pkgs,
-  nativeRustPlatform,
-  windowsRustPlatform,
-  ...
 }: let
   cargoToml = fromTOML (builtins.readFile ../Cargo.toml);
   name = cargoToml.package.name;
@@ -16,18 +14,14 @@
     meta = {
       inherit (cargoToml.package) description homepage;
     };
+    postBuild = "${pkgs.upx}/bin/upx target/*/release/${name}${target.exeSuffix}";
   };
-  nativeBuild =
+  rustVersion = pkgs.rust-bin.stable.latest.default.override {
-    nativeRustPlatform.buildRustPackage buildArgs
+    targets = [target.triple];
-    // {
-      postBuild = "${pkgs.upx}/bin/upx target/*/release/${name}";
   };
-  windowsBuild =
+  rustPlatform = target.crossPkgs.makeRustPlatform {
-    windowsRustPlatform.buildRustPackage buildArgs
+    cargo = rustVersion;
-    // {
+    rustc = rustVersion;
-      postBuild = "${pkgs.upx}/bin/upx target/*/release/${name}.exe";
   };
-in {
+in
-  default = nativeBuild;
+  rustPlatform.buildRustPackage buildArgs
-  windows = windowsBuild;
-}

nix/shell.nix

@@ -1,13 +1,8 @@
 {
-  inputs,
   pkgs,
   rustVersion,
-  ...
 }:
-inputs.devenv.lib.mkShell {
+pkgs.mkShell {
-  inherit inputs pkgs;
-  modules = [
-    {
   packages = with pkgs; [
     (rustVersion.override {
       extensions = [
@@ -27,5 +22,3 @@ inputs.devenv.lib.mkShell {
     typos
   ];
 }
-  ];
-}