mte/unikernel/duniverse/dune_/doc/reference/dune/copy_files.rst
2025-11-11 02:07:51 +01:00

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copy_files
----------
The ``copy_files`` and ``copy_files#`` stanzas specify that files from another
directory could be copied to the current directory, if needed.
The syntax is as follows:
.. code:: dune
(copy_files
<optional-fields>
(files <glob>))
``<glob>`` represents the set of files to copy. See the :ref:`glob <glob>` for
details.
``<optional-fields>`` are:
- ``(alias <alias-name>)`` specifies an alias to which to attach the targets.
- ``(mode <mode>)`` specifies how to handle the targets. See :ref:`modes` for
details.
- ``(enabled_if <blang expression>)`` conditionally disables this stanza. The
condition is specified using the :doc:`/reference/boolean-language`.
- ``(only_sources <blang expression>)`` specifies that the glob in ``files``
gets applied over the source tree, and not the build tree.
The short form:
.. code:: dune
(copy_files <glob>)
is equivalent to:
.. code:: dune
(copy_files (files <glob>))
The difference between ``copy_files`` and ``copy_files#`` is the same as the
difference between the ``copy`` and ``copy#`` actions. See
:doc:`/reference/actions/index` section for more details.