add nix flake

.envrc

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Used by https://direnv.net
+
+# Automatically reload when this file changes
+watch_file devshell.nix
+
+# Load `nix develop`
+use flake
+
+# Extend the environment with per-user overrides
+source_env_if_exists .envrc.local

.gitignore

@@ -1,6 +1,5 @@
 /.bundle/
 /.yardoc
-/Gemfile.lock
 /_yardoc/
 /coverage/
 /doc/
@@ -17,4 +16,4 @@
 todo.md
 
 # direnv
-.envrc
+.direnv

Gemfile.lock

@@ -0,0 +1,281 @@
+PATH
+  remote: .
+  specs:
+    fusuma (3.7.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (8.0.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    ast (2.4.2)
+    async (2.21.1)
+      console (~> 1.29)
+      fiber-annotation
+      io-event (~> 1.6, >= 1.6.5)
+    async-http (0.86.0)
+      async (>= 2.10.2)
+      async-pool (~> 0.9)
+      io-endpoint (~> 0.14)
+      io-stream (~> 0.6)
+      metrics (~> 0.12)
+      protocol-http (~> 0.43)
+      protocol-http1 (>= 0.28.1)
+      protocol-http2 (~> 0.22)
+      traces (~> 0.10)
+    async-http-faraday (0.19.0)
+      async-http (~> 0.42)
+      faraday
+    async-pool (0.10.2)
+      async (>= 1.25)
+      traces
+    base64 (0.2.0)
+    benchmark (0.4.0)
+    bigdecimal (3.1.9)
+    binding_of_caller (1.0.1)
+      debug_inspector (>= 1.2.0)
+    bump (0.10.0)
+    concurrent-ruby (1.3.4)
+    connection_pool (2.4.1)
+    console (1.29.2)
+      fiber-annotation
+      fiber-local (~> 1.1)
+      json
+    date (3.4.1)
+    debug (1.10.0)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
+    debug_inspector (1.2.0)
+    debugger-ruby_core_source (1.3.8)
+    diff-lcs (1.5.1)
+    docile (1.4.1)
+    drb (2.2.1)
+    dry-configurable (1.2.0)
+      dry-core (~> 1.0, < 2)
+      zeitwerk (~> 2.6)
+    dry-core (1.0.2)
+      concurrent-ruby (~> 1.0)
+      logger
+      zeitwerk (~> 2.6)
+    dry-inflector (1.1.0)
+    dry-initializer (3.2.0)
+    dry-logic (1.5.0)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 1.0, < 2)
+      zeitwerk (~> 2.6)
+    dry-schema (1.13.4)
+      concurrent-ruby (~> 1.0)
+      dry-configurable (~> 1.0, >= 1.0.1)
+      dry-core (~> 1.0, < 2)
+      dry-initializer (~> 3.0)
+      dry-logic (>= 1.4, < 2)
+      dry-types (>= 1.7, < 2)
+      zeitwerk (~> 2.6)
+    dry-types (1.7.2)
+      bigdecimal (~> 3.0)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 1.0)
+      dry-inflector (~> 1.0)
+      dry-logic (~> 1.4)
+      zeitwerk (~> 2.6)
+    faraday (2.12.2)
+      faraday-net_http (>= 2.0, < 3.5)
+      json
+      logger
+    faraday-http-cache (2.5.1)
+      faraday (>= 0.8)
+    faraday-net_http (3.4.0)
+      net-http (>= 0.5.0)
+    fiber-annotation (0.2.0)
+    fiber-local (1.1.0)
+      fiber-storage
+    fiber-storage (1.0.0)
+    github_changelog_generator (1.16.4)
+      activesupport
+      async (>= 1.25.0)
+      async-http-faraday
+      faraday-http-cache
+      multi_json
+      octokit (~> 4.6)
+      rainbow (>= 2.2.1)
+      rake (>= 10.0)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.0)
+    io-endpoint (0.14.0)
+    io-event (1.7.5)
+    io-stream (0.6.1)
+    irb (1.14.3)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.9.1)
+    language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
+    logger (1.6.4)
+    metrics (0.12.1)
+    minitest (5.25.4)
+    multi_json (1.15.0)
+    net-http (0.6.0)
+      uri
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    parallel (1.26.3)
+    parser (3.3.6.0)
+      ast (~> 2.4.1)
+      racc
+    proc_to_ast (0.2.0)
+      parser
+      rouge
+      unparser
+    protocol-hpack (1.5.1)
+    protocol-http (0.47.1)
+    protocol-http1 (0.28.1)
+      protocol-http (~> 0.22)
+    protocol-http2 (0.22.0)
+      protocol-hpack (~> 1.4)
+      protocol-http (~> 0.18)
+    psych (5.2.2)
+      date
+      stringio
+    public_suffix (6.0.1)
+    racc (1.8.1)
+    rainbow (3.1.1)
+    rake (13.2.1)
+    rblineprof (0.3.7)
+      debugger-ruby_core_source (~> 1.3)
+    rblineprof-report (0.0.4)
+      term-ansicolor (~> 1.3)
+    rdoc (6.10.0)
+      psych (>= 4.0.0)
+    reek (6.3.0)
+      dry-schema (~> 1.13.0)
+      parser (~> 3.3.0)
+      rainbow (>= 2.0, < 4.0)
+      rexml (~> 3.1)
+    regexp_parser (2.10.0)
+    reline (0.6.0)
+      io-console (~> 0.5)
+    rexml (3.4.0)
+    rouge (4.5.1)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-debug (0.2.0)
+      debug (>= 1.3.3)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-parameterized (1.0.2)
+      rspec-parameterized-core (< 2)
+      rspec-parameterized-table_syntax (< 2)
+    rspec-parameterized-core (1.0.1)
+      parser
+      proc_to_ast (>= 0.2.0)
+      rspec (>= 2.13, < 4)
+      unparser
+    rspec-parameterized-table_syntax (1.0.1)
+      binding_of_caller
+      rspec-parameterized-core (< 2)
+    rspec-support (3.13.2)
+    rubocop (1.69.2)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.36.2, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.37.0)
+      parser (>= 3.3.1.0)
+    rubocop-performance (1.23.0)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    ruby-progressbar (1.13.0)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    securerandom (0.4.1)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.13.1)
+    simplecov_json_formatter (0.1.4)
+    standard (1.43.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.69.1)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.6)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.6.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.23.0)
+    stringio (3.1.2)
+    sync (0.5.0)
+    term-ansicolor (1.11.2)
+      tins (~> 1.0)
+    tins (1.37.1)
+      bigdecimal
+      sync
+    traces (0.14.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.3)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
+    unparser (0.6.15)
+      diff-lcs (~> 1.3)
+      parser (>= 3.3.0)
+    uri (1.0.2)
+    yard (0.9.37)
+    zeitwerk (2.7.1)
+
+PLATFORMS
+  ruby
+  x86_64-linux
+
+DEPENDENCIES
+  bump
+  bundler
+  debug
+  fusuma!
+  github_changelog_generator (~> 1.16)
+  rake (~> 13.0)
+  rblineprof
+  rblineprof-report
+  reek
+  rspec (~> 3.0)
+  rspec-debug
+  rspec-parameterized
+  rubocop
+  simplecov
+  standard
+  yard
+
+BUNDLED WITH
+   2.5.11

devshell.nix

@@ -0,0 +1,18 @@
+{ pkgs }:
+pkgs.mkShell {
+  # Add build dependencies
+  packages = [
+    pkgs.ruby
+    pkgs.libyaml
+    pkgs.libinput
+    pkgs.bundix
+  ];
+
+  # Add environment variables
+  env = { };
+
+  # Load custom bash code
+  shellHook = ''
+
+  '';
+}