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renovatebot_renovate/lib/modules/manager/mix/readme.md
Pierre Cavin 99f80a019c
feat(mix): implement getRangeStrategy (#33322)
2025-01-09 14:54:48 +00:00

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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

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.