graphqlbackend: Ensure we use a non-negative capacity in zoektIndexedRepos (!4762) · Merge requests · Administrator / sourcegraph

Administrator requested to merge core/search-panic into master Jul 02, 2019

Created by: keegancsmith

This is currently causing panics on our dogfood instances.

Test plan: Added a unit test which reproduces the panic. Unit test now passes.

Supersedes #4761

Fixes #4759

graphqlbackend: Ensure we use a non-negative capacity in zoektIndexedRepos