docs/userguide.rst: Add recommendation for repo-id naming
This is added to avoid confusion in the creation of downstream layers. Signed-off-by: Quirin Gylstorff <quirin.gylstorff@siemens.com> [Jan: fixed over-long line] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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@ -159,11 +159,16 @@ which are strings that are added to the head of the respective files
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CONF_VERSION = "1"
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IMAGE_FSTYPES = "tar"
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``meta-custom`` in these examples should be a unique name (in project scope)
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for this configuration entries. We assume that your configuration file is part
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of a ``meta-custom`` repository/layer. This way its possible to overwrite or
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append entries in files that include this configuration by naming an entry the
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same (overwriting) or using an unused name (appending).
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``meta-custom`` in these examples should be a unique name for this
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configuration entries.
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We recommend that this unique name is the **same** as the name of the
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containing repository/layer to ease cross-project referencing.
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In given examples we assume that your configuration file is part of a
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``meta-custom`` repository/layer. This way it is possible to overwrite or
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append entries in files that include this configuration by naming an entry
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the same (overwriting) or using an unused name (appending).
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Including in-tree configuration files
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@ -358,7 +363,9 @@ Configuration reference
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Contains the definition of a repository and the layers, that should be
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part of the build. If the value is ``None``, the repository, where the
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current configuration file is located is defined as ``<repo-id>`` and
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added as a layer to the build.
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added as a layer to the build. It is recommended that the ``<repo-id>``
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is related to the containing repository/layer to ease cross-project
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referencing.
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* ``name``: string [optional]
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Defines under which name the repository is stored. If its missing
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