X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fbe0969131dc2472bcefbceaf390015ba68e1327..17a2487fc69a86508f2319068296463698590d2b:/doc/apt.conf.5.xml diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml index 42119baa5..103d0622c 100644 --- 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" [ - -<!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> @@ -175,6 +171,15 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; </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', @@ -296,6 +301,8 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; <literal>Valid-Until</literal> header, but if they don't or a stricter value is desired the <literal>Max-ValidTime</literal> option below can be used. + The <option>Check-Valid-Until</option> option of &sources-list; entries should be + preferred to disable the check selectively instead of using this global override. </para></listitem> </varlistentry> @@ -307,7 +314,8 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; the earlier date of the two is used as the expiration date. The default value is <literal>0</literal> which stands for "valid forever". Archive specific settings can be made by appending the label of the archive - to the option name. + to the option name. Preferably, the same can be achieved for specific + &sources-list; entries by using the <option>Valid-Until-Max</option> option there. </para></listitem> </varlistentry> @@ -319,7 +327,8 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; frequently updated archive with a <literal>Valid-Until</literal> header instead of completely disabling the expiration date checking. Archive specific settings can and should be used by appending the label of - the archive to the option name. + the archive to the option name. Preferably, the same can be achieved for specific + &sources-list; entries by using the <option>Valid-Until-Min</option> option there. </para></listitem> </varlistentry> @@ -379,9 +388,9 @@ 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. - 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> @@ -396,6 +405,20 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; <para><literal>Acquire::http::User-Agent</literal> can be used to set a different User-Agent for the http download method as some proxies allow access for clients only if the client uses a known identifier.</para> + + <para><literal>Acquire::http::Proxy-Auto-Detect</literal> can be used to + specify an external command to discover the http proxy to use. Apt expects + the command to output the proxy on stdout in the style + <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> @@ -567,6 +590,65 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; </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> + + <varlistentry><term><option>Changelogs::URI</option> scope</term> + <listitem><para> + Acquiring changelogs can only be done if an URI is known from where to get them. + Preferable the Release file indicates this in a 'Changelogs' field. If this isn't + available the Label/Origin field of the Release file is used to check if a + <literal>Acquire::Changelogs::URI::Label::<replaceable>LABEL</replaceable></literal> or + <literal>Acquire::Changelogs::URI::Origin::<replaceable>ORIGIN</replaceable></literal> option + exists and if so this value is taken. The value in the Release file can be overridden + with <literal>Acquire::Changelogs::URI::Override::Label::<replaceable>LABEL</replaceable></literal> + or <literal>Acquire::Changelogs::URI::Override::Origin::<replaceable>ORIGIN</replaceable></literal>. + + The value should be a normal URI to a text file, expect that package specific data is + replaced with the placeholder <literal>CHANGEPATH</literal>. The + value for it is: 1. if the package is from a component (e.g. <literal>main</literal>) + this is the first part otherwise it is omitted, 2. the first letter of source package name, + expect if the source package name starts with '<literal>lib</literal>' in which case it will + be the first four letters. 3. The complete source package name. 4. the complete name again and + 5. the source version. + The first (if present), second, third and fourth part are separated by a slash ('<literal>/</literal>') + and between the fourth and fifth part is an underscore ('<literal>_</literal>'). + + The special value '<literal>no</literal>' is available for this option indicating that + this source can't be used to acquire changelog files from. Another source will be tried + if available in this case. + </para></listitem> + </varlistentry> + </variablelist> </refsect1> @@ -583,10 +665,11 @@ 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 - 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 @@ -1159,6 +1242,18 @@ DPkg::TriggersPending "true";</literallayout></para> </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>