show dependencies of essential packages which are going to remove

[apt.git] / doc / apt.conf.5.xml

diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml
index 39e2c8e6b43b53e05834e311898ea81f5eecc486..f00baacea592b50cca5bc2e8edb8288cd38f401c 100644 (file)
--- a/doc/apt.conf.5.xml
+++ b/doc/apt.conf.5.xml
@@ -5,6 +5,9 @@
 <!ENTITY % aptent SYSTEM "apt.ent">
 %aptent;
 
+<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent">
+%aptverbatiment;
+
 ]>
 
 <refentry>
@@ -199,9 +202,20 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      anything that those packages depend on.</para></listitem>
      </varlistentry>
 
-     <varlistentry><term>Cache-Limit</term>
-     <listitem><para>APT uses a fixed size memory mapped cache file to store the 'available'
-     information. This sets the size of that cache (in bytes).</para></listitem>
+     <varlistentry><term>Cache-Start, Cache-Grow and Cache-Limit</term>
+     <listitem><para>APT uses since version 0.7.26 a resizable memory mapped cache file to store the 'available'
+     information. <literal>Cache-Start</literal> acts as a hint to which size the Cache will grow
+     and is therefore the amount of memory APT will request at startup. The default value is
+     20971520 bytes (~20 MB). Note that these amount of space need to be available for APT
+     otherwise it will likely fail ungracefully, so for memory restricted devices these value should
+     be lowered while on systems with a lot of configured sources this might be increased.
+     <literal>Cache-Grow</literal> defines in byte with the default of 1048576 (~1 MB) how much
+     the Cache size will be increased in the event the space defined by <literal>Cache-Start</literal>
+     is not enough. These value will be applied again and again until either the cache is big
+     enough to store all information or the size of the cache reaches the <literal>Cache-Limit</literal>.
+     The default of <literal>Cache-Limit</literal> is 0 which stands for no limit.
+     If <literal>Cache-Grow</literal> is set to 0 the automatic grow of the cache is disabled.
+     </para></listitem>
      </varlistentry>
 
      <varlistentry><term>Build-Essential</term>
@@ -436,6 +450,15 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      really prefer uncompressed files to support the usage of local mirrors.</para></listitem>
      </varlistentry>
 
+     <varlistentry><term>GzipIndexes</term>
+        <listitem><para>
+        When downloading <literal>gzip</literal> compressed indexes (Packages, Sources, or
+        Translations), keep them gzip compressed locally instead of unpacking
+        them. This saves quite a lot of disk space at the expense of more CPU
+        requirements when building the local package caches. False by default.
+        </para></listitem>
+     </varlistentry>
+
      <varlistentry><term>Languages</term>
      <listitem><para>The Languages subsection controls which <filename>Translation</filename> files are downloaded
      and in which order APT tries to display the Description-Translations. APT will try to display the first