/usr/share/gtk-doc/html/PackageKit/concepts.html is in packagekit-docs 1.1.9-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Important Concepts: PackageKit Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="PackageKit Reference Manual">
<link rel="up" href="specification.html" title="PackageKit Specification">
<link rel="prev" href="introduction-backends.html" title="Backends">
<link rel="next" href="introduction-ideas-filters.html" title="Filters">
<meta name="generator" content="GTK-Doc V1.27 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts"></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="specification.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="introduction-backends.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="introduction-ideas-filters.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="chapter">
<div class="titlepage"><div><div><h2 class="title">
<a name="concepts"></a>Important Concepts</h2></div></div></div>
<div class="toc"><dl class="toc">
<dt><span class="sect1"><a href="concepts.html#introduction-ideas-packageid">Package ID</a></span></dt>
<dt><span class="sect1"><a href="introduction-ideas-filters.html">Filters</a></span></dt>
<dd><dl>
<dt><span class="sect2"><a href="introduction-ideas-filters.html#introduction-ideas-filters-removeinstalled">Removing installed versions in search results</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-filters.html#introduction-ideas-filters-examples">Filter examples</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="introduction-errors.html">Error Enums</a></span></dt>
<dt><span class="sect1"><a href="introduction-group-type.html">Group type</a></span></dt>
<dt><span class="sect1"><a href="introduction-cancellation.html">Cancellation</a></span></dt>
<dt><span class="sect1"><a href="introduction-ideas-transactions.html">Transactions</a></span></dt>
<dd><dl>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-success">Transaction example: Success</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-failure">Transaction example: Failure</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-trusted">Transaction example: Trusted</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-auto-untrusted">Transaction example: Auto Untrusted</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-sig-install">Transaction example: Package signature install</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-download">Transaction example: Download</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-set-locale">Transaction example: Setting the locale</a></span></dt>
<dt><span class="sect2"><a href="introduction-ideas-transactions.html#introduction-ideas-transactions-repair">Transaction example: Repair</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="introduction-ideas-transactionid.html">Transaction IDs</a></span></dt>
<dt><span class="sect1"><a href="introduction-ideas-status.html">Status Values</a></span></dt>
</dl></div>
<p>
The following sections explain key concepts used internally in PackageKit.
</p>
<div class="sect1">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="introduction-ideas-packageid"></a>Package ID</h2></div></div></div>
<p>
One important idea is the <code class="literal">package_id</code>.
This is the <code class="literal">name;version;arch;data</code> in
a single string and is meant to represent a single package.
This is important when multiple versions of a package are installed and
only the correct one is removed.
</p>
<p>
The <code class="literal">package_id</code> is parsed and checked carefully in
the helper code.
The package arch and data is optional, but 3 <code class="literal">;</code>'s must
be present.
For instance, <code class="literal">gnome-keyring-manager;2.18.0;;</code> is
valid but <code class="literal">gnome-keyring-manager;2.18.0</code> is not.
The data field is used for the repository name.
</p>
<p>
The data field for an installed package must be
<code class="literal">installed</code> as this is used to identify which packages
are installable or installed in the client tools.
</p>
<p>
The data field for an non-installed local package must be
<code class="literal">local</code> as this signifies a repository name is not available
and that package resides locally on the client system.
</p>
<p>
For example:
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>
<code class="literal">csup;20060318-5;x86_64;local</code>: for locally available package file.
</p></li>
<li class="listitem"><p>
<code class="literal">csup;20060318-5;x86_64;fedora-devel</code>: for package that is not installed
and can be downladed from the Fedora development repostory.
</p></li>
<li class="listitem"><p>
<code class="literal">csup;20060318-5;x86_64;installed</code>: for locally installed package
</p></li>
</ul></div>
<div class="informaltable"><table class="informaltable" border="1">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>Situation</th>
<th>Value</th>
<th>Description</th>
</tr></thead>
<tbody>
<tr>
<td>Searching</td>
<td><code class="literal">installed</code></td>
<td>If installed</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">available</code></td>
<td>If available to install</td>
</tr>
<tr>
<td>Getting Updates</td>
<td><code class="literal">low</code></td>
<td>If update is of low severity</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">normal</code></td>
<td>If update is of normal severity</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">important</code></td>
<td>If update is very important</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">security</code></td>
<td>If the update is security sensitive</td>
</tr>
<tr>
<td>Installing/Updating/Removing</td>
<td><code class="literal">downloading</code></td>
<td>If we are downloading this package</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">updating</code></td>
<td>If we are updating this package</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">installing</code></td>
<td>If we are installing this package</td>
</tr>
<tr>
<td> </td>
<td><code class="literal">removing</code></td>
<td>If we are removing this package</td>
</tr>
<tr>
<td>Otherwise</td>
<td><code class="literal">unknown</code></td>
<td>If we cannot use any other option</td>
</tr>
</tbody>
</table></div>
<p>
The backend must ensure that the package_id only matches on one
single package.
A single package_id must be enough to uniquely identify a single object
in any repository used on the system.
</p>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.27</div>
</body>
</html>
|