renovatebot_renovate/lib/modules/manager/mix

The mix manager uses Renovate's implementation of Elixir SemVer to evaluate update ranges.

The mix package manager itself is used to keep the lock file up-to-date.

The following depTypes are currently supported by the mix manager :

• prod: all dependencies by default
• dev: dependencies with :only option not containing :prod

lockFileMaintenance

We recommend you use lockFileMaintenance for the mix manager.

lockFileMaintenance=true periodically refreshes your mix.lock files, ensuring all indirect dependencies are updated to their latest allowed versions.

This option will be skipped in umbrella projects, as they share a single mix.lock file for all applications mix.exs files.

Default rangeStrategy=auto behavior

Renovate's default rangeStrategy is "auto". Here's how "auto" works with the mix manager:

Version type	New version	Old range	New range after update	What Renovate does
Complex range	1.7.2	< 1.7.0 or ~> 1.7.1	< 1.7.0 or ~> 1.7.2	Widen range to include the new version.
Simple range	0.39.0	<= 0.38.0	<= 0.39.0	If update outside current range: widens range to include the new version.
Exact version constraint	0.13.0	== 0.12.0	== 0.13.0	Replace old version with new version.

Recommended rangeStrategy for apps and libraries

For applications, we recommend using rangeStrategy=pin. This pins your dependencies to exact versions, which is generally considered best practice for apps.

For libraries, use rangeStrategy=widen with version ranges in your mix.exs. This allows for greater compatibility with other projects that may use your library as a dependency.