diff options
Diffstat (limited to 'doc/apk-add.8.scd')
| -rw-r--r-- | doc/apk-add.8.scd | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/doc/apk-add.8.scd b/doc/apk-add.8.scd index 7959a99..8e0ec0f 100644 --- a/doc/apk-add.8.scd +++ b/doc/apk-add.8.scd @@ -13,6 +13,12 @@ apk add - add packages to _world_ and commit changes *apk add* adds the requested packages to _world_ and installs (or upgrades) them if not already present, ensuring all dependencies are met. +To upgrade individual packages without modifying _world_ use *apk-fix*(8). + +By default *apk* tries to select a set of packages so that all dependencies +are satisfied. This means that some packages can be held back in an older +version if there is direct or implicit dependencies to the older version. + # OPTIONS *apk add* supports the commit options described in *apk*(8), as well as the @@ -22,22 +28,25 @@ following options: Initialize a new package database. *-l, --latest* - Disables normal heuristics for choosing which repository to install a - package from, preferring only repositories from which the latest - version is available. This has no effect on pinned packages. + 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* - When adding packages which are already installed, upgrade them rather - than considering the requirement fulfilled by the current installation. + 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. *-t, --virtual* _NAME_ - Instead of adding the specified packages to _world_, create a new - virtual package with the listed packages as its dependencies, then add - that package to _world_. + Create virtual package _NAME_ with given dependencies. This new package + will get the _packages_ as dependencies instead of _world_. Finally the + _NAME_ is added to _world_. - The packages requested are added as transitive dependencies of the - virtual package, and by deleting that package the *apk add* operation - may be easily reverted later. + One can use this to ensure that selected set of packages are installed, + and later the temporary modification be undone with *apk-del*(8) _NAME_ + without removing packages that were installed earlier. *--no-chown* Do not change file owner or group. By default apk will manage the file |