Function fetches

mods/diff/tests/git.test.ts:52–55

()

      world.runs.filter(run => Fixtures.gitWordOf(run.argv) === 'status')

    const fetches = () =>
      world.runs.filter(
        run => Fixtures.gitWordOf(run.argv) === 'diff --numstat',
      )

    on('tool.call', () => ({ result: 'ran' }))