Hi all,
I would like to suggest to write a small specification of the feature
you brought up. I have somethink in mind similar to the JEP process for
Java.
I could create a repo at Github, so that we can work there on the
feature description and ask other people to review it or to contribute
to it.
WDYT?
Oliver
Am 28.07.21 um 12:10 schrieb Chris Kilding:
Hello,
I would like to propose a new Maven feature: dependency deprecation indicators.
In a nutshell, the idea is to let maintainers set a 'deprecated' metadata
indicator on a Maven artifact in a repository. This will indicate to users that
the artifact should no longer be used.
The Maven CLI tools could then react to deprecation indicators in the
appropriate ways:
- `mvn` itself: Print a warning when deprecated dependencies are seen.
- Maven Enforcer Plugin: Add a <banDeprecatedDependencies> rule which throws an
error when deprecated dependencies are seen.
- Maven Dependency Tree: Print a [deprecated] notice next to any deprecated
dependency in the tree.
- ...and so on
We can also envisage automated agents like Dependabot using these indicators to
alert developers about deprecated dependencies in their stacks, and assisting
developers to remove them.
Some of the major build tools outside the JVM already have deprecation
indicators:
- NPM: https://docs.npmjs.com/cli/v7/commands/npm-deprecate
- Nuget: https://docs.microsoft.com/en-us/nuget/nuget-org/deprecate-packages
- Composer / Packagist:
https://tomasvotruba.com/blog/2017/07/03/how-to-deprecate-php-package-without-leaving-anyone-behind/
So the feature has precedent, and I believe it would be useful to have in
Maven. If there is demand for it, I am willing to work on it.
There are definitely several good questions to be answered about what exactly
the feature would look like, so questions and comments are welcome :)
Regards,
Chris Kilding
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