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https://issues.apache.org/jira/browse/MPOM-468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17817900#comment-17817900
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Michael Osipov commented on MPOM-468:
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Regarding 3: Which Maven version are you using? It was an issue with previous
Resolver versions.
General question: Who is the target audience for this file? Vote participants?
Maven Resolver? Please note: This file is NOT intended for verification, it is
transport only. See https://maven.apache.org/resolver/about-checksums.html.
Verification is signatures only.
[~cstamas], [~hboutemy].
> Remove or provide option to disable checksum-maven-plugin
> ---------------------------------------------------------
>
> Key: MPOM-468
> URL: https://issues.apache.org/jira/browse/MPOM-468
> Project: Maven POMs
> Issue Type: Bug
> Components: asf
> Affects Versions: ASF-31
> Reporter: Christopher Tubbs
> Priority: Critical
>
> Currently, the net.nicoulaj.maven.plugins:checksum-maven-plugin is used to
> generate .sha512 files for the source-release classifier artifact in the
> apache-release profile.
> There are many problems with this plugin that justify removing it or making
> it easier to disable:
> 1. Not everybody wants this. It is intended to help construct SHA512 files in
> the Nexus staging repository, so people can easily have something to copy
> over into their DIST area in SVN. But, it's expected that people delete these
> from the staging repository before releasing the staging repo to Maven
> central after a successful release vote. Well, not everybody uses this
> pattern. Some people, like those pushing for MPOM-282, generate sha512 files
> differently (with the filename, so it can be easily verified with standard
> tooling). It is inconvenient for this plugin to create extra files in the
> staging repo that we must deal with, leading to more room for user error
> during the release process.
> 2. In the case where users actually don't want to modify the staging repo,
> but actually release the repo with the source-release artifact (there are
> many use cases for that), this creates more work, because those people only
> have to remove stuff from the staging repo *because* of this plugin. It
> doesn't make it more convenient... it makes it less convenient... to do a
> release.
> 3. It doesn't just generate .sha512 files. It also results in .sha512.md1 and
> .sha512.sha1 files, which are just excessive to deal with.
> 4. The plugin has not been maintained in 2 years.
> 5. The plugin's website with all of its generated plugin documentation is no
> longer functional.
> 6. The plugin doesn't appear to have a standard "-DmyPluginPrefix.skip"
> method of disabling the plugin to bypass it. So, one must specifically
> override the plugin by duplicating the apache-release profile, and creating
> an execution with the same ID, but with different config to force it to be
> overridden.
> 7. None (or very few) of the configuration properties seem to have user
> properties to set them as a system property or in the POM's properties
> section. So, that makes it cumbersome to modify the configuration.
> 8. Because of number 7, this ASF parent POM, must set everything in the XML,
> and since it hasn't created proxy properties to set things indirectly, the
> only way to override it is to create a local apache-release profile
> containing the same plugin, with the same execution id, but with different
> configuration.
> For all of these reasons, and probably more, I think this plugin should be
> removed from the ASF parent POM. If not that, then it should at least be
> moved to a different profile and disabled by default. If not that, then it
> should at least be moved to a different profile so it can be easily disabled
> by choice. If not that, then at the very least, create a proxy property to
> set the includeClassifiers (and other important options) as properties, so we
> don't have to jump through hoops to try to override and disable this plugin
> when a project doesn't want to use it.
> For reference: https://github.com/nicoulaj/checksum-maven-plugin
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