Use Bundler.with_unbundled_env

Author: neilvcarvalho

exe/importmap-update

@@ -171,7 +171,7 @@ when :run
   # that `bundle exec` loads octokit; if that leaks into bin/importmap the
   # Rails app's boot.rb will try to use the action's Gemfile instead of its
   # own, which doesn't have Rails.
-  runner = Importmap::Update::Commands::ShellRunner.new(env: {"BUNDLE_GEMFILE" => nil})
+  runner = Importmap::Update::Commands::ShellRunner.new
   gh = Importmap::Update::GitHubClient.new(repo: repo, token: token)
   git = Importmap::Update::GitClient.new(
     runner: runner,

lib/commands.rb

@@ -47,8 +47,10 @@ def initialize(cwd: nil, env: nil)
         def run(*argv)
           opts = {}
           opts[:chdir] = @cwd if @cwd
-          stdout, stderr, status = Open3.capture3(@env, *argv, **opts)
-          Result.new(stdout: stdout, stderr: stderr, exit_code: status.exitstatus)
+          Bundler.with_unbundled_env do
+            stdout, stderr, status = Open3.capture3(@env, *argv, **opts)
+            Result.new(stdout: stdout, stderr: stderr, exit_code: status.exitstatus)
+          end
         end
 
         # Raises on non-zero exit. Use when you have no recovery strategy