message: downcase the slug so we don't accidentally treat origin as fork
diff: @@ -124,7 +124,8 @@ export async function getVersion() {
  // ignores the `.git` suffix if it exists, so it matches something like `ownername/reponame`.
  export async function getSlug() {
  const result = await execGitCommand(`git config --get remote.origin.url`);
  - const [, slug] = result.match(/([^/:]+\/[^/]+?)(\.git)?$/) || [];
  + const downcasedResult = result.toLowerCase();
  + const [, slug] = downcasedResult.match(/([^/:]+\/[^/]+?)(\.git)?$/) || [];
  return slug;
  }
  