rvm ruby install issue

    me@debian:/storage/webstore$ sudo ./rvm.sh stable --ruby=1.9.3 --debug
    Turning on debug mode.
    Running(1): Selected RVM branch stableDownloading https://github.com/wayneeseguin/rvm/archive/stable.tar.gz
    Running(1): Running(15): curl --fail --location --max-redirs 10 --connect-timeout 30 --retry-delay 2 --retry 3 -sS https://github.com/wayneeseguin/rvm/archive/stable.tar.gz -o /usr/local/rvm/archives/rvm-stable.tgzRunning(1): Running(6): tar xzf /usr/local/rvm/archives/rvm-stable.tgz --no-same-owner --strip-components 1step> 'system_installation_check' started
    step< 'system_installation_check' finished with status 0 in 0.001156285 seconds
    step> 'setup_rvm_group_and_users' started
    Group 'rvm' already exists
    step< 'setup_rvm_group_and_users' finished with status 0 in 0.002343942 seconds
    step> 'print_install_header' started
     
    Upgrading the RVM installation in /usr/local/rvm/
    step< 'print_install_header' finished with status 0 in 0.001445398 seconds
    step> 'cleanse_old_entities' started
    step< 'cleanse_old_entities' finished with status 0 in 0.001171117 seconds
    step> 'create_install_paths' started
    step< 'create_install_paths' finished with status 0 in 0.001379300 seconds
    step> 'load_custom_flags' started
    step< 'load_custom_flags' finished with status 0 in 0.002025485 seconds
    step> 'save_custom_flags' started
    step< 'save_custom_flags' finished with status 0 in 0.010429442 seconds
    step> 'install_rvm_directories' started
    step< 'install_rvm_directories' finished with status 0 in 0.006070447 seconds
    step> 'install_rvm_files' started
    step< 'install_rvm_files' finished with status 0 in 0.285239742 seconds
    step> 'install_rvm_scripts' started
    step< 'install_rvm_scripts' finished with status 0 in 0.245577801 seconds
    step> 'cleanup_old_help_and_docs_files' started
    step< 'cleanup_old_help_and_docs_files' finished with status 0 in 0.003525045 seconds
    step> 'install_rvm_hooks' started
    step< 'install_rvm_hooks' finished with status 0 in 0.032627257 seconds
    step> 'remove_old_hooks' started
    step< 'remove_old_hooks' finished with status 0 in 0.001246772 seconds
    step> 'install_binaries' started
    step< 'install_binaries' finished with status 0 in 0.016200635 seconds
    step> 'install_gemsets' started
    step< 'install_gemsets' finished with status 0 in 0.009711060 seconds
    step> 'install_patchsets' started
    step< 'install_patchsets' finished with status 0 in 0.098941528 seconds
    step> 'install_man_pages' started
    step< 'install_man_pages' finished with status 0 in 0.014023444 seconds
    step> 'setup_configuration_files' started
    step< 'setup_configuration_files' finished with status 0 in 0.003868687 seconds
    step> 'setup_etc_profile' started
    step< 'setup_etc_profile' finished with status 0 in 0.001363954 seconds
    step> 'setup_etc_bashrc' started
    step< 'setup_etc_bashrc' finished with status 0 in 0.001297036 seconds
    step> 'setup_etc_rvmrc' started
    step< 'setup_etc_rvmrc' finished with status 0 in 0.008942564 seconds
    step> 'cleanse_old_environments' started
    step< 'cleanse_old_environments' finished with status 0 in 0.003147460 seconds
    step> 'migrate_old_gemsets' started
    step< 'migrate_old_gemsets' finished with status 0 in 0.003510958 seconds
    step> 'migrate_defaults' started
    step< 'migrate_defaults' finished with status 0 in 0.001306956 seconds
    step> 'migrate_environments_and_wrappers' started
    step< 'migrate_environments_and_wrappers' finished with status 0 in 0.002750235 seconds
    step> 'record_ruby_configs' started
    step< 'record_ruby_configs' finished with status 0 in 0.001374962 seconds
    step> 'update_gemsets_install_rvm' started
    step< 'update_gemsets_install_rvm' finished with status 0 in 0.003571351 seconds
    step> 'configure_autolibs' started
    step< 'configure_autolibs' finished with status 0 in 0.004533130 seconds
    step> 'update_yaml_if_needed' started
    step< 'update_yaml_if_needed' finished with status 0 in 0.007017154 seconds
    step> 'cleanup_tmp_files' started
    step< 'cleanup_tmp_files' finished with status 0 in 0.006700250 seconds
    step> 'record_installation_time' started
    step< 'record_installation_time' finished with status 0 in 0.004159471 seconds
    step> 'setup_rvm_path_permissions_root' started
    step< 'setup_rvm_path_permissions_root' finished with status 0 in 0.197945709 seconds
    step> 'setup_rvm_path_permissions_check_group' started
    step< 'setup_rvm_path_permissions_check_group' finished with status 0 in 0.006700825 seconds
    step> 'setup_rvm_path_permissions_check_dirs' started
    step< 'setup_rvm_path_permissions_check_dirs' finished with status 0 in 0.006832975 seconds
    step> 'setup_rvm_path_permissions_check_files' started
    step< 'setup_rvm_path_permissions_check_files' finished with status 0 in 0.005823479 seconds
    step> 'print_install_footer' started
    Upgrade of RVM in /usr/local/rvm/ is complete.
    step< 'print_install_footer' finished with status 0 in 0.001367388 seconds
    step> 'display_thank_you' started
     
    # me,
    #
    #   Thank you for using RVM!
    #   We sincerely hope that RVM helps to make your life easier and more enjoyable!!!
    #
    # ~Wayne, Michal & team.
     
    step< 'display_thank_you' finished with status 0 in 0.003241864 seconds
    step> 'display_notes' started
    In case of problems: http://rvm.io/help and https://twitter.com/rvm_io
     
    Upgrade Notes:
     
      * No new notes to display.
     
    step< 'display_notes' finished with status 0 in 0.066513154 seconds
    __rvm_rm_rf already gone: /usr/local/rvm/tmp/22267*

hej, could you explain what is ./rvm.sh ... also maybe just pen rvm issue