Arthur McGibbon

@som-snytt That's handy thanks. I can see why it's not on by default - lots of false positives.

@tgodzik > Wow! This looks awesome! This could replace the packages view in Metals tree view if I understand correctly? Does this show up in the file explorer? Yes -...

@kpodsiad >After looking at https://marketplace.visualstudio.com/items?itemName=sourcegraph.sourcegraph and https://github.com/olafurpg/sourcegraph-vscode/blob/diffs-view/src/file-system/FilesTreeDataProvider.ts it seems like we could replace Metals tree view and have breadcrumbs without adding a new workspace folder. Having a custom tree view...

Changing from a flat file structure to a real representation of where the jars are located doesn't look great... 

I'm going to close this since the way the FileSystem API makes the tree UI exactly reflect the URI makes it unworkable for the way Metals wants to use URIs...

@tgodzik I closed this because I couldn't see an easy way to match off the 2 different URI formats (i.e. the one Metals uses to identify classes in jars and...

@tgodzik No worries - glad you've had a break. I haven't been able to think of another option so I've gone ahead with a `MetalsFileSystem/MetalsFileSystemProvider/MetalsPath` and it seems to work...

I think this is now almost functionally complete. There's a lot of code I need to tidy and many tests to write but it would be good to get some...

@tgodzik When you have a moment - could you have a look through this and see whether you're happy with the approach regarding custom java filesystem and custom url handler....

> * each time I open a workspace I get an error >  > maybe we could create the additional filesystem only after indexing? I think currently we send...