Add user confirmation for removedb

This commit is contained in:
Taylor Gerring 2015-05-18 12:04:35 -05:00
parent fe41bd6fe8
commit 36a4ba3248

View File

@ -549,6 +549,12 @@ func exportchain(ctx *cli.Context) {
}
func removeDb(ctx *cli.Context) {
confirm, err := readConfirm("Remove local databases?")
if err != nil {
utils.Fatalf("%v", err)
}
if confirm {
fmt.Println("Removing chain and state databases...")
start := time.Now()
@ -556,6 +562,9 @@ func removeDb(ctx *cli.Context) {
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()