Function getExternalRefDelta

src/commands/fetch.js:370–370

    const fullpath = join(gitdir, res.packfile)
    await fs.write(fullpath, packfile)
    const getExternalRefDelta = oid => readObject({ fs, cache, gitdir, oid })
    const idx = await GitPackIndex.fromPack({
      pack: packfile,
      getExternalRefDelta,