X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/d328fd1a20543192a7ea3eac124f10a5793743e9..16b9e1e3b03ea352a4d9eb5b13db4724fcedbbe7:/doc/apt.conf.5.xml diff --git a/doc/apt.conf.5.xml b/doc/apt.conf.5.xml index c13ad4867..f00baacea 100644 --- a/doc/apt.conf.5.xml +++ b/doc/apt.conf.5.xml @@ -5,6 +5,9 @@ %aptent; + +%aptverbatiment; + ]> @@ -150,8 +153,9 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; Default-Release - Default release to install packages from if more than one - version available. Contains release name, codename or release version. Examples: 'stable', 'testing', 'unstable', 'lenny', 'squeeze', '4.0', '5.0*'. See also &apt-preferences;. + Default release to install packages from if more than one + version available. Contains release name, codename or release version. Examples: 'stable', 'testing', + 'unstable', '&stable-codename;', '&testing-codename;', '4.0', '5.0*'. See also &apt-preferences;. Ignore-Hold @@ -198,9 +202,20 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; anything that those packages depend on. - Cache-Limit - APT uses a fixed size memory mapped cache file to store the 'available' - information. This sets the size of that cache (in bytes). + Cache-Start, Cache-Grow and Cache-Limit + APT uses since version 0.7.26 a resizable memory mapped cache file to store the 'available' + information. Cache-Start 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. + Cache-Grow 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 Cache-Start + 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 Cache-Limit. + The default of Cache-Limit is 0 which stands for no limit. + If Cache-Grow is set to 0 the automatic grow of the cache is disabled. + Build-Essential @@ -229,6 +244,30 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; and the URI handlers. + Check-Valid-Until + Security related option defaulting to true as an + expiring validation for a Release file prevents longtime replay attacks + and can e.g. also help users to identify no longer updated mirrors - + but the feature depends on the correctness of the time on the user system. + Archive maintainers are encouraged to create Release files with the + Valid-Until header, but if they don't or a stricter value + is volitional the following Max-ValidTime option can be used. + + + + Max-ValidTime + Seconds the Release file should be considered valid after + it was created. The default is "for ever" (0) if the Release file of the + archive doesn't include a Valid-Until header. + If it does then this date is the default. The date from the Release file or + the date specified by the creation time of the Release file + (Date header) plus the seconds specified with this + options are used to check if the validation of a file has expired by using + the earlier date of the two. Archive specific settings can be made by + appending the label of the archive to the option name. + + + PDiffs Try to download deltas called PDiffs for Packages or Sources files instead of downloading whole ones. True @@ -411,6 +450,15 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; really prefer uncompressed files to support the usage of local mirrors. + GzipIndexes + + When downloading gzip 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. + + + Languages The Languages subsection controls which Translation files are downloaded and in which order APT tries to display the Description-Translations. APT will try to display the first @@ -482,6 +530,15 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";}; will be looked up in /tmp/staging/var/lib/dpkg/status. + + + The Ignore-Files-Silently list can be used to specify + which files APT should silently ignore while parsing the files in the + fragment directories. Per default a file which end with .disabled, + ~, .bak or .dpkg-[a-z]+ + is silently ignored. As seen in the last default value these patterns can use regular + expression syntax. + APT in DSelect