X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/3b5a76ae9ae425db6fda4ccc041fbb1e79fffc18..81cf16a26fa162ac672b084a88148b822e645665:/doc/apt-cache.8.xml diff --git a/doc/apt-cache.8.xml b/doc/apt-cache.8.xml index 26d55a519..ab97ebe3f 100644 --- a/doc/apt-cache.8.xml +++ b/doc/apt-cache.8.xml @@ -1,10 +1,13 @@ - %aptent; + +%aptverbatiment; + ]> @@ -15,7 +18,7 @@ &apt-email; &apt-product; - 29 February 2004 + 2012-05-21T00:00:00Z @@ -27,38 +30,11 @@ apt-cache - APT package handling utility -- cache manipulator + query the APT cache - - - - apt-cache - - - - - add file - gencaches - showpkg pkg - showsrc pkg - stats - dump - dumpavail - unmet - search regex - show pkg - depends pkg - rdepends pkg - pkgnames prefix - dotty pkg - xvcg pkg - policy pkgs - madison pkgs - - - - + &synopsis-command-apt-cache; + Description apt-cache performs a variety of operations on APT's package cache. apt-cache does not manipulate the state of the system @@ -69,19 +45,12 @@ commands below must be present. - add file(s) - add adds the named package index files to the package cache. - This is for debugging only. - - - gencaches - gencaches performs the same operation as - apt-get check. It builds the source and package caches from - the sources in &sources-list; and from - /var/lib/dpkg/status. + + gencaches creates APT's package cache. This is done + implicitly by all commands needing this cache if it is missing or outdated. - showpkg pkg(s) + showpkg displays information about the packages listed on the command line. Remaining arguments are package names. The available versions and reverse dependencies of each package listed are listed, as @@ -115,7 +84,7 @@ Reverse Provides: is best to consult the apt source code. - statsstats displays some statistics about the cache. + stats displays some statistics about the cache. No further arguments are expected. Statistics reported are: Total package names is the number of package names found @@ -151,7 +120,7 @@ Reverse Provides: Missing is the number of package names that were referenced in a dependency but were not provided by any package. Missing packages may - be in evidence if a full distribution is not accessed, or if a package + be an evidence if a full distribution is not accessed, or if a package (real or virtual) has been dropped from the distribution. Usually they are referenced from Conflicts or Breaks statements. @@ -170,38 +139,36 @@ Reverse Provides: - showsrc pkg(s) + showsrc displays all the source package records that match the given package names. All versions are shown, as well as all records that declare the name to be a Binary. - dump + dump shows a short listing of every package in the cache. It is primarily for debugging. - dumpavail + dumpavail prints out an available list to stdout. This is suitable for use with &dpkg; and is used by the &dselect; method. - unmet + unmet displays a summary of all unmet dependencies in the package cache. - show pkg(s) + show performs a function similar to dpkg --print-avail; it displays the package records for the named packages. - search regex [ regex ... ] + search performs a full text search on all available package - lists for the POSIX regex pattern given, see - regex - 7. + lists for the POSIX regex pattern given, see ®ex;. It searches the package names and the descriptions for an occurrence of the regular expression and prints out the package name and the short description, including virtual package @@ -215,25 +182,28 @@ Reverse Provides: are and'ed together. - depends pkg(s) + depends shows a listing of each dependency a package has and all the possible other packages that can fulfill that dependency. - rdepends pkg(s) + rdepends shows a listing of each reverse dependency a package has. - pkgnames [ prefix ] - This command prints the name of each package in the system. The optional + &synopsis-prefix; + This command prints the name of each package APT knows. The optional argument is a prefix match to filter the name list. The output is suitable for use in a shell tab complete function and the output is generated extremely quickly. This command is best used with the - option. + option. + Note that a package which APT knows of is not necessarily available to download, + installable or installed, e.g. virtual packages are also listed in the generated list. + - dotty pkg(s) + dotty takes a list of packages on the command line and generates output suitable for use by dotty from the GraphViz @@ -251,19 +221,19 @@ Reverse Provides: Caution, dotty cannot graph larger sets of packages. - xvcg pkg(s) + The same as dotty, only for xvcg from the VCG tool. - policy [ pkg(s) ] + &synopsis-pkg;… policy is meant to help debug issues relating to the preferences file. With no arguments it will print out the priorities of each source. Otherwise it prints out detailed information about the priority selection of the named package. - madison /[ pkg(s) ] + apt-cache's madison command attempts to mimic the output format and a subset of the functionality of the Debian archive management tool, madison. It displays @@ -306,6 +276,20 @@ Reverse Provides: Configuration Item: APT::Cache::Important. + + + + + + + + + Per default the depends and + rdepends print all dependencies. This can be tweaked with + these flags which will omit the specified dependency type. + Configuration Item: APT::Cache::ShowDependencyType + e.g. APT::Cache::ShowRecommends. + Print full package records when searching. Configuration Item: APT::Cache::ShowFull.