test if TMPDIR is accessible before using

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

diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml
index e8da666c7c829b89ffd4b52b903850f9f36a4f39..efe986ea8c33a8e8ec2a2f7c7ff51d25abd8597e 100644 (file)
--- a/doc/apt.conf.5.xml
+++ b/doc/apt.conf.5.xml
@@ -1,13 +1,9 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [

-
-<!ENTITY % aptent SYSTEM "apt.ent">
-%aptent;
-
-<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent">
-%aptverbatiment;
-
+<!ENTITY % aptent SYSTEM "apt.ent"> %aptent;
+<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> %aptverbatiment;
+<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor;

 ]>
 
 <refentry>
 ]>
 
 <refentry>


@@ -175,6 +171,15 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      </para></listitem>
      </varlistentry>
 
      </para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>Build-Profiles</option></term>
+     <listitem><para>
+     List of all build profiles enabled for build-dependency resolution,
+     without the "<literal>profile.</literal>" namespace prefix.
+     By default this list is empty. The <envar>DEB_BUILD_PROFILES</envar>
+     as used by &dpkg-buildpackage; overrides the list notation.
+     </para></listitem>
+     </varlistentry>
+

      <varlistentry><term><option>Default-Release</option></term>
      <listitem><para>Default release to install packages from if more than one
      version is available. Contains release name, codename or release version. Examples: 'stable', 'testing',
      <varlistentry><term><option>Default-Release</option></term>
      <listitem><para>Default release to install packages from if more than one
      version is available. Contains release name, codename or release version. Examples: 'stable', 'testing',


@@ -379,9 +384,9 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      <para>The setting <literal>Acquire::http::Pipeline-Depth</literal> can be used to
      enable HTTP pipelining (RFC 2616 section 8.1.2.2) which can be beneficial e.g. on
      high-latency connections. It specifies how many requests are sent in a pipeline.
      <para>The setting <literal>Acquire::http::Pipeline-Depth</literal> can be used to
      enable HTTP pipelining (RFC 2616 section 8.1.2.2) which can be beneficial e.g. on
      high-latency connections. It specifies how many requests are sent in a pipeline.

-     Previous APT versions had a default of 10 for this setting, but the default value
-     is now 0 (= disabled) to avoid problems with the ever-growing amount of webservers
-     and proxies which choose to not conform to the HTTP/1.1 specification.</para>
+     APT tries to detect and workaround misbehaving webservers and proxies at runtime, but
+     if you know that yours does not conform to the HTTP/1.1 specification pipelining can
+     be disabled by setting the value to 0. It is enabled by default with the value 10.</para>

 
      <para><literal>Acquire::http::AllowRedirect</literal> controls whether APT will follow
      redirects, which is enabled by default.</para>
 
      <para><literal>Acquire::http::AllowRedirect</literal> controls whether APT will follow
      redirects, which is enabled by default.</para>


@@ -398,11 +403,17 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
      only if the client uses a known identifier.</para>
 
      <para><literal>Acquire::http::Proxy-Auto-Detect</literal> can be used to
      only if the client uses a known identifier.</para>
 
      <para><literal>Acquire::http::Proxy-Auto-Detect</literal> can be used to

-     specify a external command to discover the http proxy to use. Apt expects
+     specify an external command to discover the http proxy to use. Apt expects

      the command to output the proxy on stdout in the style
      the command to output the proxy on stdout in the style

-     <literal>http://proxy:port/</literal>. See the 
-     &squid-deb-proxy-client; package for a example implementation that
-     uses avahi.</para>
+     <literal>http://proxy:port/</literal>. This will override the
+     generic <literal>Acquire::http::Proxy</literal> but not any specific
+     host proxy configuration set via 
+     <literal>Acquire::http::Proxy::$HOST</literal>.
+
+     See the &squid-deb-proxy-client; package for an example implementation that
+     uses avahi. This option takes precedence over the legacy option name 
+     <literal>ProxyAutoDetect</literal>.
+     </para>

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


@@ -575,6 +586,38 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
         </para></listitem>
      </varlistentry>
 
         </para></listitem>
      </varlistentry>
 

+     <varlistentry><term><option>MaxReleaseFileSize</option></term>
+        <listitem><para>
+           The maximum file size of Release/Release.gpg/InRelease files.
+           The default is 10MB.
+        </para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>AllowInsecureRepositories</option></term>
+        <listitem><para>
+           Allow the update operation to load data files from
+           a repository without a trusted signature. If enabled this
+           option no data files will be loaded and the update
+           operation fails with a error for this source. The default
+           is false for backward compatibility. This will be changed
+           in the future.
+        </para></listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>AllowDowngradeToInsecureRepositories</option></term>
+        <listitem><para>
+           Allow that a repository that was previously gpg signed to become
+           unsigned durign a update operation. When there is no valid signature
+           of a perviously trusted repository apt will refuse the update. This
+           option can be used to override this protection. You almost certainly
+           never want to enable this. The default is false.
+
+           Note that apt will still consider packages from this source
+           untrusted and warn about them if you try to install
+           them.
+         </para></listitem>
+     </varlistentry>
+

    </variablelist>
  </refsect1>
 
    </variablelist>
  </refsect1>
 


@@ -591,10 +634,11 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
    information, such as the two package caches <literal>srcpkgcache</literal> and 
    <literal>pkgcache</literal> as well as the location to place downloaded archives, 
    <literal>Dir::Cache::archives</literal>. Generation of caches can be turned off
    information, such as the two package caches <literal>srcpkgcache</literal> and 
    <literal>pkgcache</literal> as well as the location to place downloaded archives, 
    <literal>Dir::Cache::archives</literal>. Generation of caches can be turned off

-   by setting their names to the empty string. This will slow down startup but
-   save disk space. It is probably preferable to turn off the pkgcache rather
-   than the srcpkgcache. Like <literal>Dir::State</literal> the default
-   directory is contained in <literal>Dir::Cache</literal></para>
+   by setting <literal>pkgcache</literal> or <literal>srcpkgcache</literal> to
+   <literal>""</literal>.  This will slow down startup but save disk space. It
+   is probably preferable to turn off the pkgcache rather than the srcpkgcache.
+   Like <literal>Dir::State</literal> the default directory is contained in
+   <literal>Dir::Cache</literal></para>

 
    <para><literal>Dir::Etc</literal> contains the location of configuration files, 
    <literal>sourcelist</literal> gives the location of the sourcelist and 
 
    <para><literal>Dir::Etc</literal> contains the location of configuration files, 
    <literal>sourcelist</literal> gives the location of the sourcelist and 


@@ -1167,6 +1211,18 @@ DPkg::TriggersPending "true";</literallayout></para>
        </listitem>
      </varlistentry>
 
        </listitem>
      </varlistentry>
 

+     <varlistentry>
+       <term><option>Debug::RunScripts</option></term>
+       <listitem>
+        <para>
+          Display the external commands that are called by apt hooks.
+          This includes e.g. the config options
+          <literal>DPkg::{Pre,Post}-Invoke</literal> or
+          <literal>APT::Update::{Pre,Post}-Invoke</literal>.
+        </para>
+       </listitem>
+     </varlistentry>
+

 <!-- 2009/07/11 Currently used nowhere. The corresponding code
 is commented.
      <varlistentry>
 <!-- 2009/07/11 Currently used nowhere. The corresponding code
 is commented.
      <varlistentry>