diff options
Diffstat (limited to 'html/debconf7.html')
| -rw-r--r-- | html/debconf7.html | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/html/debconf7.html b/html/debconf7.html new file mode 100644 index 0000000..0f8384b --- /dev/null +++ b/html/debconf7.html @@ -0,0 +1,97 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html lang="en"> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<title>debtree - Package dependency graphs</title> +</head> + +<body> +<h1>debtree — package dependency graphs on steroids</h1> + +<table> +<tbody valign="top"> +<tr> +<td> + +<h3><a href="index.html">Introduction</a></h3> + +<h3>Example: debconf</h3> + +<ol start="0"> +<li><a href="debconf0.html">Graph from apt-cache (for comparison)</a></li> +<li><a href="debconf1.html">Basic graph (only hard dependencies and conflicts)</a></li> +<li><a href="debconf2.html">Basic graph with Recommends</a></li> +<li><a href="debconf3.html">Basic graph with Recommends and Suggests</a></li> +<li><a href="debconf4.html">Basic graph with Recommends and showing alternatives</a></li> +<li><a href="debconf5.html">Default graph (showing Recommends, alternatives and versions)</a></li> +<li><a href="debconf6.html">Default graph with Suggests</a></li> +<li><b>Default graph with Suggests and versioned Conflicts</b></li> +<li><a href="debconf8.html">Default graph (rotated)</a></li> +</ol> +<hr /> + +<p> +Note the nice relationships around <tt>whiptail</tt> etc. with again the +Suggests a single arrow, but the Conflicts and Provides showing the correct +individual relationships. +</p><p> +The versioned conflicts from <tt>perl-base</tt> are hard to miss... +</p><p> +This graph could be extended even further. +The <tt>no-skip</tt> and <tt>show-all</tt> options can be used to also show +packages that by default are excluded or for which the dependencies are not +expanded. However, in a lot of cases this will only reduce the usability of +the graph. (Although in the case of debconf the result with +<tt>-S -VC --show-all</tt> is still quite nice.) +</p><p> +It is more likely that you'll want additional packages to be excluded or not +expanded because the graph is too big or complex. The contents of a graph can +be limited by: +</p> +<ul> +<li> +including less information, for example by not showing recommended packages +or conflicts, or using the <tt>show-installed</tt> option; +</li><li> +limiting the depth of the graph (note that with limit lower than 3 or 4 the +result will probably not be very useful); +</li><li> +adding packages to one of the configuration files in <tt>/etc/debtree/</tt>; +</li><li> +some combination of these methods. +</li> +</ul> + +<p> +Some packages, especially meta packages like <tt>kde</tt>, have such a large +number of dependencies that it is almost impossible to produce a useful graph. +</p> + +</td> +<td width="10" /> +<td width="400"> + +<p><tt><font size="-1"> +$ debtree --with-suggests --versioned-conflicts debconf +</font></tt></p> +<hr /> +<img src="thumbs/debconf7.png" alt="Dependency graph for debconf" /> +<hr /> +<table> +<tr> +<td>Generated .dot file:</td> +<td><a href="debconf7.dot" target="_blank">DOT</a></td> +</tr><tr> +<td>Full-sized images:</td> +<td><a href="debconf7.ps" target="_blank">PS</a> | PNG | <a href="debconf7.svg" target="_blank">SVG</a></td> +</tr> +</table> +<p><font size="-1"><a href="aptitude7.html">Equivalent graph for aptitude</a></font></p> + +</td> +</tr> +</tbody> +</table> + +</body> +</html> |