Show deprecation warning when using --binstubs

3 files changed, 22 insertions, 0 deletions

diff --git a/.rubocop.yml b/.rubocop.yml
index 8ad27fbe1f..cbce695fbd 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -118,3 +118,8 @@ Metrics/AbcSize:
 
 Metrics/CyclomaticComplexity:
   Enabled: false
+
+# It will be obvious which code is complex, Rubocop should only lint simple
+# rules for us.
+Metrics/PerceivedComplexity:
+  Enabled: false
diff --git a/lib/bundler/cli/install.rb b/lib/bundler/cli/install.rb
index 07950c9010..306732413b 100644
--- a/lib/bundler/cli/install.rb
+++ b/lib/bundler/cli/install.rb
@@ -55,6 +55,12 @@ module Bundler
 
       Bundler::Fetcher.disable_endpoint = options["full-index"]
 
+      if options["binstubs"]
+        Bundler.ui.deprecate("The --binstubs option will be removed from "\
+                             "Bundler 2.0 and replaced with "\
+                             "`bundle binstubs`\n")
+      end
+
       # rubygems plugins sometimes hook into the gem install process
       Gem.load_env_plugins if Gem.respond_to?(:load_env_plugins)
 
diff --git a/spec/other/major_deprecation_spec.rb b/spec/other/major_deprecation_spec.rb
index a3d8fd12f4..0b41a7233a 100644
--- a/spec/other/major_deprecation_spec.rb
+++ b/spec/other/major_deprecation_spec.rb
@@ -74,5 +74,16 @@ describe "major deprecations" do
         expect(warnings).not_to have_major_deprecation
       end
     end
+
+    describe "bundle install --binstubs" do
+      it "should output a deprecation warning" do
+        gemfile <<-G
+          gem 'rack'
+        G
+
+        bundle :install, :binstubs
+        expect(warnings).to have_major_deprecation a_string_including("The --binstubs option will be removed")
+      end
+    end
   end
 end