Move code from execute_commands() into separate functions (#674)
Move code from execute_commands() into separate functions (#674)

* Move code from execute_command() into separate functions

* Remove obsolete 'None' argument

bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration