Add an error message in case bin/yarn is missing

One reason why it could be missing because Rails was upgraded but `rails app:update` was not run. Running `rails app:update:bin` should create it. refs rails#40795
Stellenticket · Dec 11, 2020 · 0180128 · 0180128
1 parent f4265ae
commit 0180128
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/railties/lib/rails/tasks/yarn.rake b/railties/lib/rails/tasks/yarn.rake
@@ -17,6 +17,10 @@ namespace :yarn do
       end
 
     system({ "NODE_ENV" => node_env }, "\"#{Rails.root}/bin/yarn\" install #{yarn_flags}")
+  rescue Errno::ENOENT
+    $stderr.puts "bin/yarn was not found."
+    $stderr.puts "Please run `bundle exec rails app:update:bin` to create it."
+    exit 1
   end
 end