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-rw-r--r--cmd/geth/main.go45
1 files changed, 40 insertions, 5 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index b10347781..7db175eb9 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -549,13 +549,22 @@ func exportchain(ctx *cli.Context) {
}
func removeDb(ctx *cli.Context) {
- fmt.Println("Removing chain and state databases...")
- start := time.Now()
+ confirm, err := readConfirm("Remove local databases?")
+ if err != nil {
+ utils.Fatalf("%v", err)
+ }
- os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "blockchain"))
- os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "state"))
+ if confirm {
+ fmt.Println("Removing chain and state databases...")
+ start := time.Now()
- fmt.Printf("Removed in %v\n", time.Since(start))
+ os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "blockchain"))
+ os.RemoveAll(filepath.Join(ctx.GlobalString(utils.DataDirFlag.Name), "state"))
+
+ fmt.Printf("Removed in %v\n", time.Since(start))
+ } else {
+ fmt.Println("Operation aborted")
+ }
}
func upgradeDb(ctx *cli.Context) {
@@ -682,6 +691,32 @@ func hashish(x string) bool {
return err != nil
}
+func readConfirm(prompt string) (bool, error) {
+ var (
+ input string
+ err error
+ )
+ prompt = prompt + " [y/N] "
+
+ if liner.TerminalSupported() {
+ lr := liner.NewLiner()
+ defer lr.Close()
+ input, err = lr.Prompt(prompt)
+ } else {
+ fmt.Print(prompt)
+ input, err = bufio.NewReader(os.Stdin).ReadString('\n')
+ fmt.Println()
+ }
+
+ if len(input) > 0 && strings.ToUpper(input[:1]) == "Y" {
+ return true, nil
+ } else {
+ return false, nil
+ }
+
+ return false, err
+}
+
func readPassword(prompt string, warnTerm bool) (string, error) {
if liner.TerminalSupported() {
lr := liner.NewLiner()