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<refentry id="scripts-bash-help">

    <refmeta>
        <refentrytitle>help</refentrytitle>
        <indexterm type="common-function">
            <primary>Standardize constructions tasks inside &TCAR;</primary>
        </indexterm>
    </refmeta>

    <refnamediv>
        <refname>help</refname>
        <refpurpose>Standardize documentation tasks inside &TCAR;.</refpurpose>
    </refnamediv>

    <refsynopsisdiv>
    <cmdsynopsis>
        <command>centos-art help</command> 
        <arg choice="opt">
            <arg>--help</arg>
            <arg>--quiet</arg>
            <arg>--answer-yes</arg>
            <arg>--sync-changes</arg>
            <arg>--format="<replaceable>KEYWORD</replaceable>"</arg>
            <arg>--search="<replaceable>KEYWORD</replaceable>"</arg>
            <arg>--edit</arg>
            <arg>--read</arg>
            <arg>--update-output</arg>
            <arg>--update-structure</arg>
            <arg>--copy</arg>
            <arg>--delete</arg>
            <arg>--rename</arg>
        </arg>
        <group choice="req">
        <arg rep="repeat"><replaceable>MANUAL</replaceable>:<replaceable>PART</replaceable>:<replaceable>CHAPTER</replaceable>:<replaceable>SECTION</replaceable></arg>
        <arg rep="repeat"><replaceable>LOCATION</replaceable></arg>
        </group>
    </cmdsynopsis>

    </refsynopsisdiv>

    <refsection id="scripts-bash-help-description">
    <title>Description</title>

    <para>
        The <function>help</function> functionality exists to create
        and maintain documentation manuals inside &TCAR;.
    </para>

    <refsection id="scripts-bash-help-description-docentry">
    <title>Documentation Entries</title>
    <para>
        The documentation entry identifies the specific file you want
        to work with inside a documentation manual. The help
        functionality recognizes documentation entries in the
        following formats:
    </para>
    <variablelist>
    <varlistentry>
    <term>Path style</term>
    <listitem>
    <para>
        This format uses paths to represent the documentation entries
        you want to work with.  This format assumes you are using the
        first path component as chapter and the rest of the path as
        section identifier both inside <quote>tcar-fs</quote>
        documentation manual as parent documentation structure. The
        field related to the part sectioning structure in the
        documentation entry (the second field) is assumed empty, as
        well. For example, if you want to document the directory
        <quote><filename
        class="directory">trunk/Scripts/Bash/Functions/Help</filename></quote>,
        then you can do it with the following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --edit trunk/Scripts/Bash/Functions/Help</command>
    </cmdsynopsis>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term>Colon style</term>
    <listitem>
    <para>
        This format uses colons to represent the documentation entries
        you want to work with. In this format, the whole documentation
        entry is divided in fields using colon as separator character.
        Documentation entries written this way use each field to
        specify manual, part, chapter and section identifiers (in this
        order). The section identifier can use a path style or hyphen
        style to separate
        components. For example, if you want to document the directory
        <quote><filename
        class="directory">trunk/Scripts/Bash/Functions/Help</filename></quote>,
        then you can do it with any of the following commands:
    </para>

    <cmdsynopsis>
    <command>centos-art help --edit tcar-fs::trunk:Scripts/Bash/Functions/Help</command>
    <command>centos-art help --edit tcar-fs::trunk:scripts-bash-functions-help</command>
    </cmdsynopsis>

    <para>
        The documentation manual name specified in the first field of
        a colon style documentation entry, must match the name the
        name of the directory where the documentation manual is stored
        in. By default documentation manuals are written in
        trunk/Documentation/Models/Texinfo or
        trunk/Documentation/Models/Docbook directories, based on
        whether they are written in Texinfo or Docbook documentation
        format. 
    </para>
    <para>
        The match relation between the manual name you provide in the
        documentation entry and the related directory name inside
        &TCAR; is case insensitive. The same is true for all other
        documentation entry fields.
    </para>

    </listitem>
    </varlistentry>
    </variablelist>

    <para>
        From these documentation entry formats, the colon style
        provides more flexibility than path style does. You can use
        documentation entries written in colon style to create and
        maintain different documentation manuals, including the
        <quote>tcar-fs</quote> documentation manual. This is something
        you cannot do with documentation entries written in path style
        because they confine all documentation actions to
        <quote>tcar-fs</quote> documentation manual.
    </para>
    </refsection>

    </refsection>

    <refsection id="scripts-bash-help-options">
    <title>Options</title>
    <para>
        The <command>centos-art help</command> command accepts common
        options described in <xref
        linkend="scripts-bash-cli-commonoptions" /> and the following
        specific options:
    </para>

    <variablelist>
    <varlistentry>
    <term><option>--answer-yes</option></term>
    <listitem>
    <para>
        Assume <emphasis>yes</emphasis> to all confirmation requests.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--sync-changes</option></term>
    <listitem>
    <para>
        Synchronizes available changes between the working copy and
        the central repository.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--format="<replaceable>KEYWORD</replaceable>"</option></term>
    <listitem>
    <para>
        Specifies the format of documentation entry source file. This
        information is used as reference to build the absolute path of
        documentation entry, so you always have to provide it in order
        to reach the documentation entry you want to work with.
        Possible values for this option are shown in <xref
        linkend="scripts-bash-help-supportedformats" />. 
    </para>
    <table id="scripts-bash-help-supportedformats">
    <title>Documentation formats</title>
    <tgroup cols="3" align="left">
    <thead>
        <row>
            <entry>Keyword</entry>
            <entry>Description</entry>
            <entry>Supported</entry>
        </row>
    </thead>

    <tbody>
        <row>
            <entry><literal>texinfo</literal></entry>
            <entry><xref linkend="manuals-formats-texinfo"/></entry>
            <entry>Yes</entry>
        </row>
        <row>
            <entry><literal>docbook</literal></entry>
            <entry><xref linkend="manuals-formats-docbook"/></entry>
            <entry>No</entry>
        </row>
        <row>
            <entry><literal>latex</literal></entry>
            <entry><xref linkend="manuals-formats-latex"/></entry>
            <entry>No</entry>
        </row>
        <row>
            <entry><literal>linuxdoc</literal></entry>
            <entry>...</entry>
            <entry>No</entry>
        </row>
    </tbody>
    
    </tgroup>
    </table>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--search="<replaceable>KEYWORD</replaceable>"</option></term>
    <listitem>
    <para>
        Looks for documentation entries that match the
        <replaceable>KEYWORD</replaceable> specified as value and
        display them one by one in the order they were found. The way
        each documentation entry is presented to you depends on the
        documentation format the related documentation manual was
        written on.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--edit</option></term>
    <listitem>
    <para>
        Edit the documentation entry provided as argument.  The
        edition itself takes place through your default text editor
        (e.g., the one you specified in the <envar>EDITOR</envar>
        environment variable) one file at a time (i.e., the queue of
        files to edit is not loaded in the text editor.).
    </para>
    <para>
        When parent components inside documentation entries doesn't
        exist (e.g., you try to create a section for a documentation
        manual that doesn't exist), the <function>help</function>
        functionality will create all documentation parent structures
        considering the documentation format constraints and the
        following document structure hierarchy order: documentation
        <quote>manual</quote> first, <quote>parts</quote> second,
        <quote>chapters</quote> third and <quote>sections</quote>
        lastly.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--read</option></term>
    <listitem>
    <para>
        Read the documentation entry provided as argument.  This
        option is used internally by <command>centos-art.sh</command>
        script to refer documentation based on errors, so you can know
        more about them and the causes that could have provoked them.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--update-output</option></term>
    <listitem>
    <para>
        Update output files rexporting them from the specified backend
        source files.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--update-structure</option></term>
    <listitem>
    <para>
        Update document structure (e.g., cross references, menus,
        nodes, etc.). This option should be used whenever a document
        structure changes (e.g., when documentation entries are added,
        copied, renamed, deleted, etc.). This option grantees the
        document integrity and should be run before the
        <option>--update-output</option> option.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--copy</option></term>
    <listitem>
    <para>
        Duplicate documentation entries inside the working copy using
        version control.
    </para>
    <para>
        When you duplicate documentation entries through this option,
        you should pass only two documentation entries in the command
        line.  The first one is considered the source location and
        should point to a file under version control inside the
        working copy. The second one is considered the target location
        and should point either to the same structural level the
        source points to or a direct parent level based on source
        location, as described below.
    </para>

    <variablelist>
    <varlistentry>
    <term>
        "<replaceable>manual:part:chapter:section-1</replaceable>" "<replaceable>manual:part:chapter:section-2</replaceable>"</term>
    <listitem>
    <para>
        Duplicates <replaceable>section-1</replaceable> as
        <replaceable>section-2</replaceable> inside the same
        <replaceable>chapter</replaceable>,
        <replaceable>part</replaceable> and
        <replaceable>manual</replaceable>.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term>
        "<replaceable>manual:part:chapter-1:</replaceable>" "<replaceable>manual:part:chapter-2:</replaceable>"</term>
    <listitem>
    <para>
        Duplicates <replaceable>chapter-1</replaceable> as
        <replaceable>chapter-2</replaceable> inside the same
        <replaceable>part</replaceable> and
        <replaceable>manual</replaceable>.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term>
        "<replaceable>manual:part-1::</replaceable>" "<replaceable>manual:part-2::</replaceable>"</term>
    <listitem>
    <para>
        Duplicates <replaceable>part-1</replaceable> as
        <replaceable>part-2</replaceable> inside the same
        <replaceable>manual</replaceable>.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term>
        "<replaceable>manual-1:::</replaceable>" "<replaceable>manual-2:::</replaceable>"</term>
    <listitem>
    <para>
        Duplicates <replaceable>manual-1</replaceable> as
        <replaceable>manual-2</replaceable> inside <filename
        class="directory">trunk/Documentation/Models/${FLAG_FORMAT}/</filename>
        directory, where ${FLAG_FORMAT} is the name of the format
        passed as option with the first letter in uppercase and the
        rest in lowercase.
    </para>
    </listitem>
    </varlistentry>
    </variablelist>
    
    <para>
        When you copy documentation entries through this option, all
        structuring sections inside the one copied will be also
        copied. For example, if you copy a documentation manual that
        is made of parts, chapters and sections, the duplicated manual
        will contain all those parts, chapters and sections, as well.
        The same is true for lower sectioning structures. Thus, you
        can be more specific in the documentation entry to reduce the
        amount of content to duplicate.
    </para>
            
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--delete</option></term>
    <listitem>
    <para>
        Delete documentation entries. It is possible to delete more
        than one documentation entry by specifying several
        documentation entries in the command line.
    </para>
    </listitem>
    </varlistentry>

    <varlistentry>
    <term><option>--rename</option></term>
    <listitem>
    <para>
        Rename documentation entries inside the working copy.  
    </para>
    <para>
        When documentation entries are renamed, it is required to pass
        only two non-option parameters to the command-line. The first
        non-option parameter is considered the source location and the
        second one the target location.  Both source location and
        target location must point to a directory under the working
        copy.
    </para>
    </listitem>
    </varlistentry>
    </variablelist>

    <para>
        When documentation entries are removed (e.g., through
        <option>--delete</option> or <option>--rename</option>
        options), the <function>help</function> functionality takes
        care of updating nodes, menus and cross refentrys related to
        documentation entries in order to keep the manual structure in
        a consistent state.
    </para>
    </refsection>

    <refsection id="scripts-bash-help-examples">
    <title>Examples</title>

    <refsection id="scripts-bash-help-description-create">
    <title>Creating Document Structures</title>
    <para>
        To create new documentation manuals inside &TCAR; use the
        following command: 
    </para>

    <cmdsynopsis>
    <command>centos-art help --edit --format="texinfo" "<replaceable>manual:::</replaceable>"</command>
    </cmdsynopsis>

    <para>
        The first time you execute this command, you will be prompted
        to enter manual specific information like document format,
        document title, document subtitle, document author, etc.  Once
        this information has been collected the
        <function>help</function> functionality performs some
        repository verifications and creates the manual source files
        inside the manual's directory name you specified as
        <replaceable>manual:::</replaceable>.
    </para>

    <para>
        Once the documentation structure has been created this way,
        the recently created documentation manual is ready to receive
        new sectioning levels (e.g., parts, chapters, sections, etc.).
    </para>
    </refsection>

    <refsection id="scripts-bash-help-description-edit">
    <title>Editing Document Structures</title>

    <para>
        To edit documentation entries, use the following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --edit --format="texinfo" "<replaceable>manual:part:chapter:section</replaceable>"</command>
    </cmdsynopsis>

    <para>
        ...
    </para>

    </refsection>

    <refsection id="scripts-bash-help-description-copy">
    <title>Copying Document Structures</title>
    <para>
        To copy one documentation entry, use the following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --copy --format="texinfo" "<replaceable>manual:part:chapter:section</replaceable>" "<replaceable>manual:part:chapter:section</replaceable>"</command>
    </cmdsynopsis>

    <para>
        ...
    </para>
    </refsection>

    <refsection id="scripts-bash-help-description-delete">
    <title>Deleting Document Structures</title>
    <para>
        To delete one documentation entry, use the following command:
    </para>
    <cmdsynopsis>
    <command>centos-art help --delete --format="texinfo" "<replaceable>manual:part:chapter:section</replaceable>"</command>
    </cmdsynopsis>
    <para>
        ...
    </para>
    </refsection>

    <refsection id="scripts-bash-help-description-rename">
    <title>Renaming Document Structures</title>
    <para>
        To rename one documentation entry, use the following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --copy --format="texinfo" "<replaceable>manual:part:chapter:section</replaceable>" "<replaceable>manual:part:chapter:section</replaceable>"</command>
    </cmdsynopsis>

    <para>
        ...
    </para>
    </refsection>

    <refsection id="scripts-bash-help-description-updatestructure">
    <title>Updating Document Structures</title>
    <para>
        To update the document structure of one manual, use the
        following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --update-structure --format="texinfo" "<replaceable>manual:part:chapter:section</replaceable>"</command>
    </cmdsynopsis>

    <para>
        ...
    </para>
    </refsection>

    <refsection id="scripts-bash-help-description-updateoutput">
    <title>Updating Document Final Outputs</title>
    <para>
        To update the document final outputs of one manual, use the
        following command:
    </para>

    <cmdsynopsis>
    <command>centos-art help --update-output --format="texinfo" "<replaceable>manual:::</replaceable>"</command>
    </cmdsynopsis>

    <para>
        ...
    </para>
    </refsection>
    </refsection>

    <refsection id="scripts-bash-help-bugs">
    <title>Bugs</title>
    <para>
        ...
    </para>
    </refsection>

    <refsection id="scripts-bash-help-authors">
    <title>Authors</title>
    <para>
        The following people have worked in this functionality:
    </para>
    <itemizedlist>
    <listitem>
    <para>
        Alain Reguera Delgado &lt;<ulink url="mailto:alain.reguera@gmail.com">alain.reguera@gmail.com</ulink>&gt;, =COPYRIGHT_YEAR_LIST=
    </para>
    </listitem>
    </itemizedlist>
    </refsection>

    <refsection id="scripts-bash-help-licence">
    <title>License</title>

    <para>
        Copyright &copy; =COPYRIGHT_YEAR_LIST= The CentOS Project
    </para>
 
    <para>
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU General Public License as
        published by the Free Software Foundation; either version 2 of
        the License, or (at your option) any later version.
    </para>
 
    <para>
        This program is distributed in the hope that it will be
        useful, but WITHOUT ANY WARRANTY; without even the implied
        warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
        PURPOSE.  See the GNU General Public License for more details.
    </para>
 
    <para>
        You should have received a copy of the GNU General Public
        License along with this program; if not, write to the Free
        Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
        USA.
    </para>
    </refsection>

</refentry>