Ensure all ruby-lsp
dependencies are installed before launch
#2730
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Motivation
One way launching the server may fail is if the user decided to uninstall one of our required dependencies for any reason.
For example, if you run
gem uninstall prism
and delete all installations, launching the language server will fail because rubygems will raise saying not all dependencies are satisfied.Implementation
Our previous check was a bit too simple. We just verified if the
ruby-lsp
was present, but in fact we need to verify that all dependencies are installed or else launching will fail.