package main import ( "errors" "fmt" "github.com/fd0/khepri" "github.com/fd0/khepri/backend" ) func commandList(be backend.Server, key *khepri.Key, args []string) error { if len(args) != 1 { return errors.New("usage: list [data|trees|snapshots|keys|locks]") } var ( t backend.Type each func(backend.Server, backend.Type, func(backend.ID, []byte, error)) error = backend.Each ) switch args[0] { case "data": t = backend.Data each = key.Each case "trees": t = backend.Tree each = key.Each case "snapshots": t = backend.Snapshot case "keys": t = backend.Key case "locks": t = backend.Lock default: return errors.New("invalid type") } return each(be, t, func(id backend.ID, data []byte, err error) { if t == backend.Data || t == backend.Tree { fmt.Printf("%s %s\n", id, backend.Hash(data)) } else { fmt.Printf("%s\n", id) } }) }