anchor.diff:  project, including configuration, build, internationalization, help files, etc.
   
   %pre
  - echo "this is the pre-install sh commands"
  + echo "this is the pre-install sh command"
    mkdir -p /opt/hello_world/
   
   %post
  - echo "this is the post-install sh commans"
  + echo "this is the post-install sh command"
   
   %files
   
  
positive.code: [sudo] password for tan:
  rpm: RPM should not be used directly install RPM packages, use Alien instead!
  rpm: However assuming you know what you are doing...
  this is the pre-install sh commands
  this is the post-install sh commans
  ----
  
  .check
  
negative.code: EOF
  ----
  
  .build the rpm
  ----
  tan@pavilion:~/sources/cautious-potato$ rpmbuild -ba hello_world.spec
  Processing files: hello_world-1.0.0-1.x86_64
  