init

flake.nix

@@ -0,0 +1,97 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    crane.url = "github:ipetkov/crane";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      nixpkgs,
+      crane,
+      flake-utils,
+      rust-overlay,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [
+            (import rust-overlay)
+          ];
+        };
+        inherit (pkgs) lib;
+        craneLib = (crane.mkLib pkgs).overrideToolchain (
+          p:
+          p.rust-bin.nightly.latest.default.override {
+            extensions = [
+              "rustc-codegen-cranelift-preview"
+              "rust-analyzer"
+              "rust-src"
+            ];
+          }
+        );
+        src = craneLib.cleanCargoSource ./.;
+        commonArgs = {
+          inherit src;
+          nativeBuildInputs = with pkgs; [
+            pkg-config
+            nix.dev
+          ];
+          strictDeps = true;
+        };
+        cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+        individualCrateArgs = commonArgs // {
+          inherit cargoArtifacts;
+          inherit (craneLib.crateNameFromCargoToml { inherit src; }) version;
+        };
+
+        fileSetForCrate =
+          crate:
+          lib.fileset.toSource {
+            root = ./.;
+            fileset = lib.fileset.unions [
+              ./Cargo.toml
+              ./Cargo.lock
+            ];
+          };
+        server = craneLib.buildPackage (
+          individualCrateArgs
+          // {
+          }
+        );
+      in
+      {
+        devShells.default = craneLib.devShell {
+          inherit (commonArgs) nativeBuildInputs;
+          RUSTFLAGS = "-Clinker=clang -Clink-arg=-fuse-ld=mold -Z macro-backtrace";
+          RUST_LOG = "debug,sqlx=warn";
+          packages = with pkgs; [
+            mold
+            heaptrack
+            llvmPackages.clang
+            llvmPackages.lld
+            sea-orm-cli
+            watchexec
+            cargo-watch
+            cargo-edit
+            cargo-nextest
+            cargo-valgrind
+            pkg-config
+            nix.dev
+            boost.dev
+          ];
+        };
+
+      }
+    );
+
+}