message: Hide `link-to-file-in-file-history` where not needed
diff: @@ -13,7 +13,7 @@ import {groupSiblings} from '../libs/group-buttons';
  function init(): void | false {
  // /user/repo/commits/master/readme.md -> 'readme.md'
  // /user/repo/commits/master/ -> ''
  - const path = getRepoPath()!.replace(/^commits\/[^/]+\//, '');
  + const path = getRepoPath()!.replace(/^commits\/[^/]+\/?/, '');
  if (!path) {
  return false;
  }
  