func commandReparentShard(wr *wrangler.Wrangler, subFlags *flag.FlagSet, args []string) (string, error) {
leaveMasterReadOnly := subFlags.Bool("leave-master-read-only", false, "leaves the master read-only after reparenting")
force := subFlags.Bool("force", false, "will force the reparent even if the master is already correct")
subFlags.Parse(args)
if subFlags.NArg() != 2 {
log.Fatalf("action ReparentShard requires <keyspace/shard|zk shard path> <tablet alias|zk tablet path>")
}
keyspace, shard := shardParamToKeyspaceShard(subFlags.Arg(0))
tabletAlias := tabletParamToTabletAlias(subFlags.Arg(1))
return "", wr.ReparentShard(keyspace, shard, tabletAlias, *leaveMasterReadOnly, *force)
}