apt-rdepends(8)
NAME
apt-rdepends - performs recursive dependency listings similar to
apt-cache
SYNOPSIS
apt-rdepends [options] [pkgs ...]
DESCRIPTION
apt-rdepends searches through the APT cache to find package dependencies. apt-rdepends knows how to emulate the result of calling aptcache with both depends and dotty options.
By default, apt-rdepends shows a listing of each dependency a package
has. It will also look at each of these fulfilling packages, and
recursively lists their dependencies.
OPTIONS
- -b, --build-depends
- Show build dependencies instead of normal package dependencies.
- -d, --dotty
- dotty takes a list of packages on the command line and generates output suitable for use by springgraph. The result will
be a set of nodes and edges representing the relationships
between the packages. By default the given packages will trace out all dependent packages which can produce a very large
graph. - Blue lines are pre-depends, green lines are conflicts, yellow
lines are suggests, orange lines are recommends, red lines are replaces, and black lines are depends. - Caution, dotty cannot graph larger sets of packages.
- -p, --print-state
- Shows the state of each dependency after each package version. See --state-follow and --state-show for why this is useful.
- -r, --reverse
- Shows the listings of each package that depends on a package.
Furthermore, it will look at these dependent packages, and find their dependers. - -f, --follow=DEPENDS
- A comma-separated list of DEPENDS types to follow recursively. By default, it only follows the Depends and PreDepends types.
- The possible values for DEPENDS are: Depends, PreDepends, Suggests, Recommends, Conflicts, Replaces, and Obsoletes.
- In --build-depends mode, the possible values are: BuildDepends, Build-Depends-Indep, Build-Conflicts, Build-ConflictsIndep.
- -s, --show=DEPENDS
- A comma-separated list of DEPENDS types to show, when displaying a listing. By default, it only shows the Depends and PreDepends types.
- --state-follow=STATES
--state-show=STATES - These two options are similar to --follow and --show. They both deal with the current state of a package. By default, the value of STATES is Unknown, NotInstalled, UnPacked, HalfConfigured, HalfInstalled, ConfigFiles, and Installed.
- These options are useful, if you only want to only look at the
dependencies between the Installed packages on your system.
You can then call:
apt-rdepends --state-follow=Installed libfoo - Or if you want to only show the packages installed on your system:
apt-rdepends --state-follow=Installed
--state-show=Installed libfoo - pkgs The list of packages on which to discover dependencies.
- -v, --vcg, --xvcg
- This option takes a list of packages on the command line and
generates output suitable for use by xvcg. The result will be a set of nodes and edges representing the relationships between the packages. By default the given packages will trace out all dependent packages which can produce a very large graph. - Blue lines are pre-depends, green lines are conflicts, yellow
lines are suggests, orange lines are recommends, red lines are replaces, and black lines are depends. - -o, --option=OPTION
- Set an APT Configuration Option; This will set an arbitary configuration option. The syntax is -o Foo::Bar=bar.
SEE ALSO
apt.conf(5), sources.list(5), apt-cache(8), AptPkg(3)
BUGS
apt-rdepends does not emulate apt-cache perfectly. It does not display
information about virtual packages, nor does it know about virtual
packages when it is in reverse dependency mode.
apt-rdepends also does not know how to stop after a certain depth has
been reached.
apt-rdepends cannot do reverse build-dependencies. This is really difficult, since it would have to load the whole cache into memory before
discovering which packages depend on others to build.
apt-rdepends exists. This functionality should really reside in aptcache itself.
AUTHOR
- apt-rdepends was written by Simon Law <sfllaw@debian.org>