nix: shell -> flake

Signed-off-by: Sumner Evans <[email protected]>

.envrc

@@ -1,4 +1,8 @@
 if [[ $(uname -s) == "Linux" && $(uname --kernel-version | grep "NixOS") ]]; then
  echo "The best OS (NixOS) has been detected. Using nice tools."
- use nix
+ if ! has nix_direnv_version || ! nix_direnv_version 3.0.0; then
+ source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.0/direnvrc" "sha256-21TMnI2xWX7HkSTjFFri2UaohXVj854mgvWapWrxRXg="
+ fi
+
+ use flake
 fi

flake.nix

@@ -0,0 +1,33 @@
+{
+ description = "mautrix-signal development environment";
+
+ inputs = {
+ nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+ flake-utils.url = "github:numtide/flake-utils";
+ };
+
+ outputs = { self, nixpkgs, flake-utils }:
+ (flake-utils.lib.eachDefaultSystem (system:
+ let pkgs = import nixpkgs { inherit system; };
+ in {
+ devShells.default = pkgs.mkShell {
+ LIBCLANG_PATH = "${pkgs.llvmPackages_11.libclang.lib}/lib";
+
+ buildInputs = with pkgs; [
+ clang
+ cmake
+ gnumake
+ protobuf
+ rust-cbindgen
+ rustup
+ olm
+
+ go_1_20
+ go-tools
+ gotools
+
+ pre-commit
+ ];
+ };
+ }));
+}