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Hover provider document selector ignoring Dockerfiles if at root of repository

Created by: ryan-blunden

  • Sourcegraph version: 25190_2018-12-10_fea4018 (25190_2018-12-10_fea4018)
  • Platform information: macOS Mojave, Chrome 70.0.3538.110

Steps to reproduce:

dockersourcegraphextensionhoverbug

Expected behavior:

This code should have produced hovers on all three repositories but instead, only worked on one.

import * as sourcegraph from 'sourcegraph'

export function activate(): void {
   sourcegraph.languages.registerHoverProvider([{language: 'dockerfile'}], {
       provideHover: () => ({ contents: { value: 'Hello world from WIP: Dockerfile Hover! 🎉🎉🎉' } })
   })
}

These repositories don't show hovers (my guess is because the Dockerfile is at the root of the repository)

This one does: