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Document icon.png
The EXPath Package spec does not mention icon.png, but if the eXist-db Dashboard finds an image resource with a filename beginning with the string "icon" in the root directory of an app, it will display that instead of the default eXist-db blue dotted "X". See https://markmail.org/message/5m6fjqso4m4veuos
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‎src/main/xar-resources/data/repo/repo.xml‎

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@@ -24,8 +24,8 @@
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<title>Introduction</title>
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<para>The package repository is based on and extends the <link condition="_blank"
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xlink:href="http://expath.org/modules/pkg/">EXPath Packaging System</link>. The core of
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the EXPath packaging specification has been designed to work across different XQuery
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xlink:href="http://expath.org/modules/pkg/">EXPath Packaging System</link>. The core
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of the EXPath packaging specification has been designed to work across different XQuery
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implementations and is targeted at managing extension libraries (including XQuery, Java
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or XSLT code modules). eXist-db extends this core by adding a facility for the automatic
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deployment of entire applications into the database. </para>
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directory: <literal>expath-pkg.xml</literal> and <literal>repo.xml</literal>:</para>
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<variablelist>
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<varlistentry>
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<term> <literal>expath-pkg.xml</literal> </term>
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<term>
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<literal>expath-pkg.xml</literal>
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</term>
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<listitem>
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<para>This is the standard EXPath descriptor as defined by the EXPath
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specification. It specifies the unique name of the package, lists
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dependencies and any library modules to register globally. See <xref
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linkend="sect-expathpkg"/>.</para>
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linkend="sect-expathpkg"/>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term> <literal>repo.xml</literal> </term>
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<term>
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<literal>repo.xml</literal>
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</term>
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<listitem>
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<para>The eXist-db specific deployment descriptor: it contains additional
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metadata about the package and controls how it will be deployed into the
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</variablelist>
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<para>For library packages <literal>repo.xml</literal> is optional. However, we recommend to
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always provide it for better tool integration.</para>
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<para>The following is not mentioned in the EXPath spec, but if an image resource with a
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name that begins with the string <quote>icon</quote> is found in the root directory of
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an app, the eXist-db dashboard will display that user-supplied image instead of the
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default eXist-db blue dotted <quote>X</quote>.</para>
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<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
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<code>expath-pkg.xml</code> descriptor. For eaxample:</para>
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<programlisting language="xml" xlink:href="listings/listing-2.xml"/>
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<para>It is also possible to create a dependency on a specific version, based on
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<link condition="_blank" xlink:href="https://semver.org/">Semantic
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Versioning</link>. This can be done by adding either of the attributes:
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<link condition="_blank" xlink:href="https://semver.org/">Semantic
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Versioning</link>. This can be done by adding either of the attributes:
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<code>version</code>, <code>semver</code>, <code>semver-min</code>,
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<code>semver-max</code>: </para>
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<variablelist>
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<varlistentry>
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<term><code>semver-max</code></term>
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<listitem>
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<para>Defines a maximum version according to the
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<code>semver</code> scheme.</para>
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<para>Defines a maximum version according to the <code>semver</code>
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scheme.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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and may be used by other packages without knowing where the module code is
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stored. </para>
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<para>For example, the following descriptor registers the module
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<literal>functx.xql</literal> using the given namespace: </para>
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<literal>functx.xql</literal> using the given namespace: </para>
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<programlisting language="xml" xlink:href="listings/listing-4.xml"/>
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<para>The namespace has to correspond to the namespace defined in the module
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declaration of the XQuery module. The file should be placed into a subdirectory
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<colspec colwidth="33%"/>
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<thead>
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<row>
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<entry> <para>Type of package</para> </entry>
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<entry> <para>type</para> </entry>
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<entry> <para>target</para> </entry>
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<entry>
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<para>Type of package</para>
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</entry>
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<entry>
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<para>type</para>
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</entry>
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<entry>
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<para>target</para>
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</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry> <para>Application package</para> </entry>
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<entry> <para><code>application</code></para> </entry>
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<entry> <para>specified</para> </entry>
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<entry>
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<para>Application package</para>
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</entry>
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<entry>
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<para><code>application</code></para>
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</entry>
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<entry>
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<para>specified</para>
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</entry>
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</row>
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<row>
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<entry> <para>Resource package</para> </entry>
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<entry> <para><code>library</code></para> </entry>
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<entry> <para>specified</para> </entry>
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<entry>
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<para>Resource package</para>
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</entry>
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<entry>
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<para><code>library</code></para>
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</entry>
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<entry>
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<para>specified</para>
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</entry>
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</row>
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<row>
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<entry> <para>Library package</para> </entry>
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<entry> <para><code>library</code></para> </entry>
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<entry> <para>not specified</para> </entry>
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<entry>
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<para>Library package</para>
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</entry>
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<entry>
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<para><code>library</code></para>
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</entry>
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<entry>
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<para>not specified</para>
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</entry>
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</row>
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</tbody>
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</tgroup>
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<term><tag>permissions</tag></term>
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<listitem>
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<para>You can define package specific permissions in the
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<literal>repo.xml</literal> to use when uploading package contents like
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this: </para>
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<literal>repo.xml</literal> to use when uploading package contents
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like this: </para>
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<programlisting language="xml" xlink:href="listings/listing-9.xml"/>
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<para> All resources and collections will be owned by the specified user and
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permissions will be changed to those given in <literal>mode</literal>.
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automatically on all XQuery files, in addition to the default
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permissions defined in the descriptor. For more control over
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permissions, use a post-install XQuery script (see element
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<tag>finish</tag> below).</para>
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<tag>finish</tag> below).</para>
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<para> It is generally recommended to specify users in this manner when a
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package requires write privileges to the database, and to use a custom
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user-group (i.e. not <code>dba</code>). To avoid conflicts with locally
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<para>Points to an XQuery script inside the root of the package archive,
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which will be executed before any package data is uploaded to the
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database. By convention the XQuery script is called
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<literal>pre-install.xql</literal>, but this is not a
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<literal>pre-install.xql</literal>, but this is not a
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requirement.</para>
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<para>If you create a package via eXide, it will generate a default
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<literal>pre-install.xql</literal> which uploads the default collection
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configuration to the system collection. This needs to be done before
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deployment to guarantee that index definitions are applied when data is
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uploaded to the db.</para>
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<literal>pre-install.xql</literal> which uploads the default
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collection configuration to the system collection. This needs to be done
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before deployment to guarantee that index definitions are applied when
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data is uploaded to the db.</para>
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<para>The target collection, the file system path to the current package
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directory and eXist-db's home directory, are passed to the script as
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external variables:</para>
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This will be executed <emphasis>after</emphasis> all data has been
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uploaded to the database. It receives the same external variables as the
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prepare script. The convention is to name the script
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<literal>post-install.xql</literal>.</para>
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<literal>post-install.xql</literal>.</para>
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<para>Use the <tag>finish</tag> script to run additional tasks or move data
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into different collections. For example, the XQuery function
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documentation app runs an indexing task from the finish trigger to
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<title>Configuring the repository root</title>
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<para>The root collection for deployed packages can be configured in
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<literal>conf.xml</literal>:</para>
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<literal>conf.xml</literal>:</para>
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<programlisting language="xml" xlink:href="listings/listing-11.xml"/>
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<para>The install location specified in the <tag>target</tag> element of
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<literal>repo.xml</literal> will always be relative to this root collection.</para>
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<literal>repo.xml</literal> will always be relative to this root collection.</para>
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<para>eXist-db's URL rewriting is by default configured to map any path starting with
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<code>/apps</code> to the repository root collection. Check
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<literal>etc/webapp/WEB-INF/controller-config.xml</literal> and the <link
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xlink:href="urlrewrite">URL rewriting documentation</link>.</para>
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<literal>etc/webapp/WEB-INF/controller-config.xml</literal> and the <link
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xlink:href="urlrewrite">URL rewriting documentation</link>.</para>
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</sect1>
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<!-- ================================================================== -->
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programmatically install, remove or inspect packages. The Dashboard Package Manager
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relies on the same functions.</para>
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<para>The module distinguishes between <emphasis>installation</emphasis> and
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<emphasis>deployment</emphasis> steps. The reason for this distinction is: while the
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<emphasis>deployment</emphasis> steps. The reason for this distinction is: while the
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installation process is standardized by the EXPath packaging specification, the
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deployment step is implementation defined and specific to eXist-db.
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<emphasis>Installation</emphasis> will register a package with the EXPath packaging
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<emphasis>Installation</emphasis> will register a package with the EXPath packaging
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system, but not copy anything into the database. <emphasis>Deployment</emphasis> will
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deploy the application into the database as specified by the <literal>repo.xml</literal>
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descriptor.</para>
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distribute applications to your customers. The eXist-db repository is implemented by the
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application package <code>http://exist-db.org/apps/public-repo</code>. The code can be
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downloaded from the <link condition="_blank"
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xlink:href="https://github.com/eXist-db/public-xar-repo">eXist-db GitHub</link>
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xlink:href="https://github.com/eXist-db/public-xar-repo">eXist-db GitHub</link>
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repo.</para>
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<para>Once you have built and installed the app, you can upload the package
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<code>.xar</code> files you wish to distribute into the collection
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<literal>public-repo/public</literal>. To make the uploaded <code>.xar</code> files
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<literal>public-repo/public</literal>. To make the uploaded <code>.xar</code> files
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available, run the query <literal>public-repo/modules/update.xql</literal> once as an
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<code>admin</code> user. This will create a document <literal>apps.xml</literal> in
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<literal>public-repo/public</literal>.</para>
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<literal>public-repo/public</literal>.</para>
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</sect1>
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</article>

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