diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 11c263c..765e83f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,14 +9,14 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: lumaxis/shellcheck-problem-matchers@v1
-      with:
-        format: gcc
-    - name: Run ShellCheck
-      uses: ludeeus/action-shellcheck@master
-      env:
-        SHELLCHECK_OPTS: --format=gcc
+      - uses: actions/checkout@v3
+      - uses: lumaxis/shellcheck-problem-matchers@v1
+        with:
+          format: gcc
+      - name: Run ShellCheck
+        uses: ludeeus/action-shellcheck@master
+        env:
+          SHELLCHECK_OPTS: --format=gcc
 
   rubocop:
     runs-on: ubuntu-latest
@@ -26,7 +26,7 @@ jobs:
         with:
           ruby-version: 2.7
       - run: gem install rubocop --no-doc
-      - run: rubocop --format progress --format json --out rubocop.json
+      - run: rubocop --display-cop-names --format progress --format json --out rubocop.json
       - uses: duderman/rubocop-annotate-action@v0.1.0
         with:
           path: rubocop.json
diff --git a/Rakefile b/Rakefile
index 55a0b1f..e353531 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,8 +18,8 @@ module Rake
         default_path = Dir.glob('/etc/paths{,.d/*}')
                          .flat_map { |f| File.read(f).strip.split("\n") }
 
-        if File.exist?('/etc/environment')
-          default_path += File.read('/etc/environment')[/PATH=(?:"([^"]+)"|'([^']+)')/, 1]&.split(File::PATH_SEPARATOR) || []
+        if File.exist?('/etc/environment') && (path = File.read('/etc/environment')[/PATH=(?:"([^"]+)"|'([^']+)')/, 1])
+          default_path += path.split(File::PATH_SEPARATOR)
         end
 
         if default_path.empty?
diff --git a/lib/tasks/brew.rake b/lib/tasks/brew.rake
index f4dd909..c8b1435 100644
--- a/lib/tasks/brew.rake
+++ b/lib/tasks/brew.rake
@@ -211,7 +211,7 @@ namespace :brew do
     'yq' => {},
   }.freeze
 
-  wanted_formulae = wanted_formulae.merge({
+  wanted_formulae = wanted_formulae.merge(
     'duti' => {},
     'imageoptim-cli' => {},
     'lockscreen' => {},
@@ -221,7 +221,7 @@ namespace :brew do
     'tag' => {},
     'telnet' => {},
     'terminal-notifier' => {},
-  }).freeze if macos?
+  ).freeze if macos?
 
   wanted_formulae = wanted_formulae.merge(wanted_fonts).freeze if linux?
 
@@ -372,7 +372,7 @@ namespace :brew do
       }.uniq
     }
 
-    dependency_graph.each do |key, _|
+    dependency_graph.each_key do |key|
       dependency_graph[key] = recursive_dependencies.call(key)
     end
 
diff --git a/lib/tasks/zed.rake b/lib/tasks/zed.rake
index c250be3..eb73946 100644
--- a/lib/tasks/zed.rake
+++ b/lib/tasks/zed.rake
@@ -5,13 +5,13 @@ require 'json'
 task :zed => [:'brew:casks_and_formulae'] do
   zed_config = Pathname('~/.config/zed/settings.json').expand_path
 
-  zed_config.write JSON.pretty_generate({
+  zed_config.write JSON.pretty_generate(
     'theme' => 'Solarized Dark',
     'telemetry' => {
       'metrics' => false
     },
     'buffer_font_size' => 13,
     'buffer_font_family' => 'SauceCodePro Nerd Font Mono',
-    'seed_search_query_from_cursor'  => 'never',
-  })
+    'seed_search_query_from_cursor' => 'never',
+  )
 end