Merge pull request #20926 from rsanheim/fail-fast-bin-setup

add system! to fail fast in bin/setup

railties/lib/rails/generators/rails/app/templates/bin/setup

@@ -5,25 +5,29 @@ include FileUtils
 # path to your application root.
 APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
 
+def system!(*args)
+  system(*args) || abort("\n== Command #{args} failed ==")
+end
+
 chdir APP_ROOT do
   # This script is a starting point to setup your application.
   # Add necessary setup steps to this file.
 
   puts '== Installing dependencies =='
-  system 'gem install bundler --conservative'
-  system('bundle check') or system('bundle install')
+  system! 'gem install bundler --conservative'
+  system!('bundle check') or system!('bundle install')
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')
   #   cp 'config/database.yml.sample', 'config/database.yml'
   # end
 
   puts "\n== Preparing database =="
-  system 'ruby bin/rake db:setup'
+  system! 'ruby bin/rake db:setup'
 
   puts "\n== Removing old logs and tempfiles =="
-  system 'ruby bin/rake log:clear tmp:clear'
+  system! 'ruby bin/rake log:clear tmp:clear'
 
   puts "\n== Restarting application server =="
-  system 'ruby bin/rake restart'
+  system! 'ruby bin/rake restart'
 end