Setting up client environment

shell.nix

@@ -0,0 +1,18 @@
+# Use `builtins.getFlake` if available
+if builtins ? getFlake then
+  let
+    scheme = if builtins.pathExists ./.git then "git+file" else "path";
+  in
+  (builtins.getFlake "${scheme}://${toString ./.}").devShells.${builtins.currentSystem}.default
+
+# Otherwise we'll use the flake-compat shim
+else
+  (import (
+    let
+      lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    in
+    fetchTarball {
+      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  ) { src = ./.; }).shellNix