build: nix dev shell (#1160)

Co-authored-by: Aljaž Mur Eržen <aljaz@edgedb.com>

.gitignore

@@ -2,4 +2,9 @@
 /.vagga
 /target
 .vscode
-.idea
+.idea
+
+# Nix
+result
+.direnv
+.envrc

flake.nix

@@ -0,0 +1,48 @@
+{
+  description = "The EdgeDB CLI";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+
+    # provides rust toolchain
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.rust-analyzer-src.follows = "";
+    };
+
+    edgedb = {
+      url = "github:edgedb/packages-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-parts.follows = "flake-parts";
+    };
+  };
+
+  outputs = inputs@{ flake-parts, fenix, edgedb, ... }:
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = ["x86_64-linux" "x86_64-darwin"];
+      perSystem = { config, system, pkgs, ... }:
+        let
+          fenix_pkgs = fenix.packages.${system};
+
+          rustToolchain = (fenix_pkgs.complete.withComponents [
+            "cargo"
+            "clippy"
+            "rust-src"
+            "rustc"
+            "rustfmt"
+            "rust-analyzer"
+          ]);
+
+        in {            
+          devShells.default = pkgs.mkShell {
+            buildInputs = [
+              rustToolchain
+
+              # needed for running tests
+              edgedb.packages.${system}.edgedb-server
+            ];
+          };
+        };
+    };
+}

tests/.gitignore

@@ -10,3 +10,6 @@
 /migrations/db4/created1/00002.edgeql
 /migrations/db1/project/priv/dbschema/migrations/00002.edgeql
 /migrations/db1/project/priv/dbschema/migrations/00003.edgeql
+/migrations/db1/squash
+/migrations/db4/created1/migrations/00002.edgeql
+/migrations/db4/modified1/migrations/00001.edgeql