1 files changed, 57 insertions, 0 deletions
diff --git a/lib/bundler/cli/binstubs.rb b/lib/bundler/cli/binstubs.rb
new file mode 100644
index 0000000000..8ce138df96
--- /dev/null
+++ b/lib/bundler/cli/binstubs.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Bundler
+  class CLI::Binstubs
+    attr_reader :options, :gems
+    def initialize(options, gems)
+      @options = options
+      @gems = gems
+    end
+
+    def run
+      Bundler.definition.validate_runtime!
+      path_option = options["path"]
+      path_option = nil if path_option&.empty?
+      Bundler.settings.set_command_option :bin, path_option if options["path"]
+      Bundler.settings.set_command_option_if_given :shebang, options["shebang"]
+      installer = Installer.new(Bundler.root, Bundler.definition)
+
+      installer_opts = {
+        force: options[:force],
+        binstubs_cmd: true,
+        all_platforms: options["all-platforms"],
+      }
+
+      if options[:all]
+        raise InvalidOption, "Cannot specify --all with specific gems" unless gems.empty?
+        @gems = Bundler.definition.specs.map(&:name)
+        installer_opts.delete(:binstubs_cmd)
+      elsif gems.empty?
+        Bundler.ui.error "`bundle binstubs` needs at least one gem to run."
+        exit 1
+      end
+
+      gems.each do |gem_name|
+        spec = Bundler.definition.specs.find {|s| s.name == gem_name }
+        unless spec
+          raise GemNotFound, Bundler::CLI::Common.gem_not_found_message(
+            gem_name, Bundler.definition.specs
+          )
+        end
+
+        if options[:standalone]
+          if gem_name == "bundler"
+            Bundler.ui.warn("Sorry, Bundler can only be run via RubyGems.") unless options[:all]
+            next
+          end
+
+          Bundler.settings.temporary(path: Bundler.settings[:path] || Bundler.root) do
+            installer.generate_standalone_bundler_executable_stubs(spec, installer_opts)
+          end
+        else
+          installer.generate_bundler_executable_stubs(spec, installer_opts)
+        end
+      end
+    end
+  end
+end