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cmd/geth: fix recover command crash if no param is supplied

This commit is contained in:
Péter Szilágyi 2015-11-05 11:53:50 +02:00
parent e3f36d9728
commit 90655736ed
1 changed files with 2 additions and 2 deletions
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4
cmd/geth/main.go
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@ -542,10 +542,10 @@ func unlockAccount(ctx *cli.Context, am *accounts.Manager, addr string, i int, i
func blockRecovery(ctx *cli.Context) { func blockRecovery(ctx *cli.Context) {
utils.CheckLegalese(utils.MustDataDir(ctx)) utils.CheckLegalese(utils.MustDataDir(ctx))
arg := ctx.Args().First() if len(ctx.Args()) < 1 {
if len(ctx.Args()) < 1 && len(arg) > 0 {
glog.Fatal("recover requires block number or hash") glog.Fatal("recover requires block number or hash")
} }
arg := ctx.Args().First()
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx) cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
utils.CheckLegalese(cfg.DataDir) utils.CheckLegalese(cfg.DataDir)