feat: add flake, precommit, editorconfig and etc

.editorconfig

@@ -0,0 +1,16 @@
+# EditorConfig is awesome: https://EditorConfig.org
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 4
+
+[*.{json,yaml,yml}]
+indent_size = 2
+
+[Makefile]
+indent_style = tab

.envrc

@@ -0,0 +1 @@
+use flake

.pre-commit-config.yaml

@@ -0,0 +1,34 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+      - id: check-merge-conflict
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: trailing-whitespace
+
+  - repo: local
+    hooks:
+      - id: rustfmt
+        name: rustfmt
+        language: system
+        types_or: [rust]
+        entry: rustfmt
+
+  - repo: local
+    hooks:
+      - id: toml
+        name: toml
+        language: system
+        types_or: [rust]
+        entry: taplo format
+
+  - repo: local
+    hooks:
+      - id: clang-format
+        name: clang-format
+        language: system
+        types_or: [c, c++, cuda]
+        entry: clang-format -i --style=file

.taplo.toml

@@ -0,0 +1,5 @@
+[formatting]
+align_entries  = true
+inline_table_expand = true
+array_auto_collapse = false
+array_auto_expand  = false

Cargo.toml

@@ -1,24 +1,19 @@
 [package]
-name = "nix_vscode"
+name    = "nix4vscode"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
-serde = { version = "1.0.188", features = ["derive", "alloc", "rc"] }
-serde_json = "1.0.105"
-toml = "0.7.6"
-tokio = { version = "1.32.0", features = ["full"] }
-log = "0.4.20"
-tracing = "0.1.37"
+serde              = { version = "1.0.188", features = ["derive", "alloc", "rc"] }
+serde_json         = "1.0.105"
+toml               = "0.7.6"
+tokio              = { version = "1.32.0", features = ["full"] }
+log                = "0.4.20"
+tracing            = "0.1.37"
 tracing-subscriber = { version = "0.3.17", features = ["env-filter", "std"] }
-semver = "1.0.18"
-bitflags = { version = "2.4.0", features = ["serde", "std"] }
-reqwest = { version = "0.11.20", default_features = false, features = [
-  "rustls-tls",
-  "gzip",
-] }
-minijinja = "1.0.7"
-clap = { version = "4.4.2", features = ["derive"] }
-futures = "0.3.28"
+semver             = "1.0.18"
+bitflags           = { version = "2.4.0", features = ["serde", "std"] }
+reqwest            = { version = "0.11.20", default_features = false, features = ["rustls-tls", "gzip"] }
+minijinja          = "1.0.7"
+clap               = { version = "4.4.2", features = ["derive"] }
+futures            = "0.3.28"

flake.nix

@@ -0,0 +1,39 @@
+{
+  description = "Develop environment for nix4vscode";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          config.allowUnfree = true;
+          overlays = [
+            (import rust-overlay)
+          ];
+        };
+
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = [
+            pkgs.iconv
+            pkgs.taplo
+            (
+              pkgs.rust-bin.nightly."2023-07-28".default
+            )
+          ];
+          shellHook = ''
+            export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${pkgs.iconv.out}/lib
+          '';
+        };
+      });
+}

rustfmt.toml

@@ -0,0 +1,15 @@
+edition                     = "2021"
+hard_tabs                   = false
+force_explicit_abi          = true
+max_width                   = 100
+merge_derives               = true
+newline_style               = "Auto"
+remove_nested_parens        = true
+reorder_imports             = true
+reorder_modules             = true
+tab_spaces                  = 4
+use_field_init_shorthand    = true
+use_small_heuristics        = "Default"
+use_try_shorthand           = false
+format_code_in_doc_comments = true
+imports_granularity         = "Crate"

src/jinja.rs

@@ -0,0 +1 @@
+// empty

src/main.rs

@@ -4,9 +4,9 @@
 
 use log::*;
 use std::str::FromStr;
-use tracing_subscriber::prelude::__tracing_subscriber_SubscriberExt;
-use tracing_subscriber::EnvFilter;
-use tracing_subscriber::{fmt, util::SubscriberInitExt};
+use tracing_subscriber::{
+    fmt, prelude::__tracing_subscriber_SubscriberExt, util::SubscriberInitExt, EnvFilter,
+};
 
 use futures::future::join_all;