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  <meta name="book_path" value="/versions/8.2.0/_book.yaml">
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<h1 class="page-title" id="modules.repository_os">repository_os</h1>

{% dynamic setvar source_file "src/main/java/com/google/devtools/build/lib/bazel/repository/starlark/StarlarkOS.java" %}
{% dynamic setvar version "8.2.0" %}
{% dynamic setvar original_path "/rules/lib/builtins/repository_os" %}
{% include "_buttons.html" %}
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Various data about the current platform Bazel is running on.

<h2>Members</h2>
<ul>
    <li>
    <a href="#arch">arch</a>
  </li>
      <li>
    <a href="#environ">environ</a>
  </li>
      <li>
    <a href="#name">name</a>
  </li>
  </ul>

      <h2 id="arch">arch</h2>
        <p><pre class="rule-signature"><a class="anchor" href="../core/string.html">string</a> repository_os.arch</pre></p>

    A string identifying the architecture Bazel is running on (the value of the <code>"os.arch"</code> Java property converted to lower case).



        <h2 id="environ">environ</h2>
        <p><pre class="rule-signature"><a class="anchor" href="../core/dict.html">dict</a> repository_os.environ</pre></p>

    The dictionary of environment variables. <p><b>NOTE</b>: Retrieving an environment variable from this dictionary does not establish a dependency from a repository rule or module extension to the environment variable. To establish a dependency when looking up an environment variable, use either <code>repository_ctx.getenv</code> or <code>module_ctx.getenv</code> instead.



        <h2 id="name">name</h2>
        <p><pre class="rule-signature"><a class="anchor" href="../core/string.html">string</a> repository_os.name</pre></p>

    A string identifying the operating system Bazel is running on (the value of the <code>"os.name"</code> Java property converted to lower case).




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