feat(nix): set up flake-compat

default.nix

@@ -0,0 +1,8 @@
+(import (let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+in
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+    sha256 = lock.nodes.flake-compat.locked.narHash;
+  }) {src = ./.;})
+.defaultNix

flake.lock

@@ -18,7 +18,9 @@
     },
     "crane": {
       "inputs": {
-        "flake-compat": "flake-compat",
+        "flake-compat": [
+          "flake-compat"
+        ],
         "flake-utils": [
           "flake-utils"
         ],
@@ -94,6 +96,7 @@
       "inputs": {
         "advisory-db": "advisory-db",
         "crane": "crane",
+        "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
         "rust-overlay": "rust-overlay"

flake.nix

@@ -2,10 +2,12 @@
   description = "text-editor";
 
   inputs = {
-    nixpkgs = { url = "github:NixOS/nixpkgs/nixpkgs-unstable"; };
-
-    flake-utils = { url = "github:numtide/flake-utils"; };
-
+    nixpkgs = {url = "github:NixOS/nixpkgs/nixpkgs-unstable";};
+    flake-utils = {url = "github:numtide/flake-utils";};
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs = {
@@ -13,71 +15,81 @@
         flake-utils.follows = "flake-utils";
       };
     };
-
     crane = {
       url = "github:ipetkov/crane";
       inputs = {
         flake-utils.follows = "flake-utils";
+        flake-compat.follows = "flake-compat";
         nixpkgs.follows = "nixpkgs";
         rust-overlay.follows = "rust-overlay";
       };
     };
-
     advisory-db = {
       url = "github:rustsec/advisory-db";
       flake = false;
     };
   };
 
-  outputs =
-    { self, nixpkgs, crane, flake-utils, advisory-db, rust-overlay, ... }:
-    flake-utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = import nixpkgs {
-          inherit system;
-          overlays = [ (import rust-overlay) ];
-        };
+  outputs = {
+    self,
+    nixpkgs,
+    crane,
+    flake-utils,
+    advisory-db,
+    rust-overlay,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [(import rust-overlay)];
+      };
 
-        rustStable =
-          pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
-        craneLib = (crane.mkLib pkgs).overrideToolchain rustStable;
-        src = ./.;
-        cargoArtifacts = craneLib.buildDepsOnly { inherit src buildInputs; };
-        buildInputs = [ ];
+      rustStable =
+        pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+      craneLib = (crane.mkLib pkgs).overrideToolchain rustStable;
+      src = ./.;
+      cargoArtifacts = craneLib.buildDepsOnly {inherit src buildInputs;};
+      buildInputs = [];
 
-        text-editor = craneLib.buildPackage {
-          inherit src;
-          doCheck = false;
-        };
-        text-editor-clippy = craneLib.cargoClippy {
-          inherit cargoArtifacts src buildInputs;
-          cargoClippyExtraArgs = "--all-targets -- --deny warnings";
-        };
-        text-editor-fmt = craneLib.cargoFmt { inherit src; };
-        text-editor-audit = craneLib.cargoAudit { inherit src advisory-db; };
-        text-editor-nextest = craneLib.cargoNextest {
-          inherit cargoArtifacts src buildInputs;
-          partitions = 1;
-          partitionType = "count";
-        };
-      in {
-        checks = {
-          inherit text-editor text-editor-audit text-editor-clippy
-            text-editor-fmt text-editor-nextest;
-        };
+      text-editor = craneLib.buildPackage {
+        inherit src;
+        doCheck = false;
+      };
+      text-editor-clippy = craneLib.cargoClippy {
+        inherit cargoArtifacts src buildInputs;
+        cargoClippyExtraArgs = "--all-targets -- --deny warnings";
+      };
+      text-editor-fmt = craneLib.cargoFmt {inherit src;};
+      text-editor-audit = craneLib.cargoAudit {inherit src advisory-db;};
+      text-editor-nextest = craneLib.cargoNextest {
+        inherit cargoArtifacts src buildInputs;
+        partitions = 1;
+        partitionType = "count";
+      };
+    in {
+      checks = {
+        inherit
+          text-editor
+          text-editor-audit
+          text-editor-clippy
+          text-editor-fmt
+          text-editor-nextest
+          ;
+      };
 
-        packages.default = text-editor;
+      packages.default = text-editor;
 
-        apps.default = flake-utils.lib.mkApp { drv = text-editor; };
+      apps.default = flake-utils.lib.mkApp {drv = text-editor;};
 
-        devShells.default = pkgs.mkShell {
-          inputsFrom = builtins.attrValues self.checks;
+      devShells.default = pkgs.mkShell {
+        inputsFrom = builtins.attrValues self.checks;
 
-          nativeBuildInputs = with pkgs; [
-            cargo-nextest
-            cargo-release
-            rustStable
-          ];
-        };
-      });
+        nativeBuildInputs = with pkgs; [
+          cargo-nextest
+          cargo-release
+          rustStable
+        ];
+      };
+    });
 }

shell.nix

@@ -0,0 +1,8 @@
+(import (let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+in
+  fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+    sha256 = lock.nodes.flake-compat.locked.narHash;
+  }) {src = ./.;})
+.shellNix