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apk-cache(8)
# NAME
apk cache - manage a local cache of package files
# SYNOPSIS
*apk cache* [<_options_>...] clean
*apk cache* [<_options_>...] download [_dependency_...]
*apk cache* [<_options_>...] purge
*apk cache* [<_options_>...] sync [_dependency_...]
# DESCRIPTION
Manage local package cache by removing obsolete packages, or downloading
missing or newer packages from the repositories.
*apk cache download* will fetch package files from the repositories and store
them in the cache, which must be enabled upfront (see *apk-cache*(5)). By
default _world_ dependencies are used to determine what to download. If
_dependency_ arguments are given, they will by default replace the _world_.
*apk cache clean* will remove package files which no longer exist in any
repository index. Specifying the global option *--purge* will additionally
remove all uninstalled package on tmpfs installations, and all packages on
disk installations.
*apk cache purge* is a synonym for *clean --purge*.
*apk cache sync* performs both operations.
# OPTIONS
*--add-dependencies*
Add the argument dependencies to _world_ dependencies when determining
which packages to download.
*-a, --available*
Selected packages to be downloaded from active repositories even if
it means replacing or downgrading the installed package.
*--ignore-conflict*
Ignore conflicts when resolving dependencies. This can be useful when
pre-populating cache for creation of multiple images in one go.
*-l, --latest*
Always choose the latest package by version. However, the versions
considered are based on the package pinning. Primarily this overrides
the default heuristic and will cause an error to displayed if all
dependencies cannot be satisfied.
*-u, --upgrade*
Upgrade _packages_ and it's dependencies. Normally *apk add* will
avoid changing installed package unless it is required by the newly
added _packages_ or their dependencies. This changes the default
preference to upgrading the package to the latest installable version.
*-s, --simulate*
Simulate the requested operation without making any changes.
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