opam:tldr:6a814

opam: Upgrade all installed packages.

opam

$ opam upgrade

try on your machine

The command "opam upgrade" is used in the context of OPAM (OCaml Package Manager) which is a package manager for OCaml programming language.

When you run "opam upgrade" command, it checks for updates to your installed OPAM packages. It looks for the latest versions of the packages available in the package repository and compares them with the versions currently installed on your system. If a newer version is available, "opam upgrade" will update the installed package to the latest version.

Before upgrading, OPAM performs dependency resolution to ensure that all the dependencies of the upgraded packages are satisfied. It also takes care of installation or uninstallation of any new or obsolete dependencies required by the upgraded packages.

It's important to note that "opam upgrade" only upgrades packages that were installed with OPAM. It does not handle system-wide package upgrades or packages installed outside of OPAM.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

back to the opam tool