Re: Honing "Package Users" (Dependency Tracking)

[Matthew Burgess]

On Mon, 9 Aug 2010 07:17:34 +1000 (EST), "Timothy Rice" 
<t.r...@ms.unimelb.edu.au> wrote:
> Hi Bryan,
> 
>> How do you propose, during package X's installation, to find which other
>> packages it depends on?  It seems like that's a much bigger issue than
>> how to encode the dependencies.
> 
> You are correct. At this stage, I am manually putting the list of
> dependencies into a text file.
> 
> The process of dependency-determination can (and will) eventually be
> automated, by having a script or program that scans the book's source code
> for dependencies.

The attached XSLT should do what you need, although it probably doesn't match 
the format
you would like.  Just run it as:

xsltproc --xinclude /path/to/blfs-checkout/index.xml dependencies.xml

Regards,

Matt.
<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

  <xsl:output method="text"/>

  <xsl:template match="/">
    <xsl:apply-templates select="book/part/chapter/sect1/sec...@role='package']"/>
  </xsl:template>

  <xsl:template match="book/part/chapter/sect1/sec...@role='package']">
    <xsl:text>p: </xsl:text>
    <xsl:value-of select="../@id"/>
    <xsl:text>&#xA;</xsl:text>
    <xsl:apply-templates select="pa...@role]/xref"/>
  </xsl:template>

  <xsl:template match="pa...@role]/xref">
    <xsl:choose>
      <xsl:when test="../@role = 'required'">
        <xsl:text>m: </xsl:text>
      </xsl:when>
      <xsl:when test="../@role = 'recommended'">
        <xsl:text>r: </xsl:text>
      </xsl:when>
      <xsl:when test="../@role = 'optional'">
        <xsl:text>o: </xsl:text>
      </xsl:when>
    </xsl:choose>
    <xsl:value-of select="@linkend"/>
    <xsl:text>&#xA;</xsl:text>
  </xsl:template>

</xsl:stylesheet>

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