message: Drop the quotes altogether.
diff: @@ -148,7 +148,7 @@ async function maximallyDescendentCommits(commits) {
  }
  // <commit>^@ expands to all parents of commit
  - const parentCommits = commits.map(c => `'${c}^@'`);
  + const parentCommits = commits.map(c => `${c}^@`);
  // List the tree from <commits> not including the tree from <parentCommits>
  // This just filters any commits that are ancestors of other commits
  const command = `git rev-list ${commitsForCLI(commits)} --not ${commitsForCLI(parentCommits)}`;
  