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cmd/geth: small change of copydb source path check

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This changes to check the first arg length instead of checking
if there's only one arg for the required source path to follow
more conventions.
This commit is contained in:
Zhenguo Niu 2018-03-19 16:20:38 +08:00
parent fe6cf00f48
commit 1b9afa41f7
1 changed files with 3 additions and 2 deletions
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5
cmd/geth/chaincmd.go
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@ -305,7 +305,8 @@ func exportChain(ctx *cli.Context) error {
func copyDb(ctx *cli.Context) error { func copyDb(ctx *cli.Context) error {
// Ensure we have a source chain directory to copy // Ensure we have a source chain directory to copy
if len(ctx.Args()) != 1 { dbPath := ctx.Args().First()
if len(dbPath) == 0 {
utils.Fatalf("Source chaindata directory path argument missing") utils.Fatalf("Source chaindata directory path argument missing")
} }
// Initialize a new chain for the running node to sync into // Initialize a new chain for the running node to sync into
@ -316,7 +317,7 @@ func copyDb(ctx *cli.Context) error {
dl := downloader.New(syncmode, chainDb, new(event.TypeMux), chain, nil, nil) dl := downloader.New(syncmode, chainDb, new(event.TypeMux), chain, nil, nil)
// Create a source peer to satisfy downloader requests from // Create a source peer to satisfy downloader requests from
db, err := ethdb.NewLDBDatabase(ctx.Args().First(), ctx.GlobalInt(utils.CacheFlag.Name), 256) db, err := ethdb.NewLDBDatabase(dbPath, ctx.GlobalInt(utils.CacheFlag.Name), 256)
if err != nil { if err != nil {
return err return err
} }