Initial POLICY and CONTRIBUTING files

2019-12-18 16:41:28 +01:00
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+# Crate ownership
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+Because Alire comes late in the history of the Ada and SPARK languages we will not apply a strict first come, first served policy on crates name. At least for the first months or years, we allow ourselves a form of moderation on the projects/crates published in the index with the following goals:
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+- Long term support: Owner and maintainers of a project are most likely in the best position to maintain the corresponding Alire crate.
+- Respect the ownership of projects: Owner and maintainers of a project deserve to be credited for their work.
+- Avoid user confusion on the name of crates: Crate names should be clear with regards to the project they contain. For instance, do not try to impersonate existing crates or projects.
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+To that extent we will potentially reject a create or transfer the ownership of a crate. 
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+We count on the goodwill of the contributors to help us conduct this moderation in a kind and courteous way. Do not submit a crate to the Alire index if you are not willing to comply with this policy.
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+As the Alire project matures, we expect to do less moderation and potentially remove this policy in favor of a first come, first served policy. 
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+# Release immutability
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+A release (identified by a unique semantic version) is protected against changes by its integrity hashes. If errors are identified post-publication, a release could be withdrawn, or superseded by a new one (using the appropriate major/minor/patch/build version changes), but not modified.