Warn lockfiles with incorrect resolutions #4459
Merged
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What was the end-user or developer problem that led to this PR?
I was going to investigate #4319, and I noticed that the OP shared a lockfile that includes an invalid resolution 😨.
My guess (and hope) is that the OP edited the lockfile directly in an incorrect way. The other possibility (which I hope it's not the case), is that bundler is generating these incorrect lockfiles.
In any case, I think it doesn't hurt to print a warning about the situation, because right now this results in bundler seamlessly installing gems that are incompatible with each other.
What is your fix for the problem, implemented in this PR?
My fix is to check whether specs in the lockfile are compatible with all dependencies in there, and print a warning otherwise.
Make sure the following tasks are checked