anchor.diff:  *ruby-sample-build*.
   <2> You can specify a list of link:#build-triggers[triggers], which cause a new
   build to be created.
  -<3> The `*source*` section defines the source of the build. The source type
  -determines the primary source of input, and can be either `*Git*`, to point to
  -a code repository location, `*Dockerfile*`, to build from an inline Dockerfile,
  -or `*Binary*`, to accept binary payloads. It is possible to have multiple
  -sources at once, refer to the documentation for each source type for details.
  +<3> The `*source*` section defines the source of the build. The `*type*` determines
  +the primary source of input, and can be either `*Git*`, to point to a code
  +repository location; `*Dockerfile*`, to build from an inline Dockerfile; or
  +`*Binary*`, to accept binary payloads. Using multiple sources at once is
  +possible. Refer to the documentation for each source type for details.
   <4> The `*strategy*` section describes the build strategy used to execute the
   build. You can specify `*Source*`, `*Docker*` and `*Custom*` strategies here.
   This above example uses the `*ruby-20-centos7*` Docker image that
  
positive.code:   args: ["--verbose"]
  ----
  +
  This form is useful if you need to pass arguments that would otherwise be hard
  to quote properly in the shell script. In the `*script*`, `$0` will be "/bin/sh"
  and `$1`, `$2`, etc, are the positional arguments from `*args*`.
  +
  5. Command with arguments:
  +
  [source,yaml]
  ----
  
negative.code:   command: ["/bin/bash", "-c", "bundle exec rake test --verbose"]
  ----
  +
  In this form, `*command*` is the command to run, which overrides the image
  entry point in the exec form, as documented in the
  link:https://docs.docker.com/engine/reference/builder/#entrypoint[Dockerfile
  reference]. This is needed if the image does not have `*/bin/sh*`, or if
  you do not want to use a shell. In all other cases, using `*script*` might be
  more convenient.
  
  * Pass arguments to the default entry point:
  +
  [source,yaml]
  ----
  