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cmd/geth: make it possible to autopilot removedb #28721

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cmd/geth: make it possible to autopilot removedb #28721

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35 changes: 27 additions & 8 deletions cmd/geth/dbcmd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,11 @@ import (

var (
removedbCommand = &cli.Command{
Action: removeDB,
Name: "removedb",
Usage: "Remove blockchain and state databases",
ArgsUsage: "",
Action: removeDB,
Name: "removedb",
Usage: "Remove blockchain and state databases. If arguments are provided, " +
"they are interpreted as comma-separated answers to questions.",
ArgsUsage: " <? comma-separated answers>",
Flags: utils.DatabaseFlags,
Description: `
Remove blockchain and state databases`,
Expand Down Expand Up @@ -202,20 +203,29 @@ func removeDB(ctx *cli.Context) error {
var (
rootDir = stack.ResolvePath("chaindata")
ancientDir = config.Eth.DatabaseFreezer
answers = strings.Split(ctx.Args().Get(0), ",")
)
switch {
case ancientDir == "":
ancientDir = filepath.Join(stack.ResolvePath("chaindata"), "ancient")
case !filepath.IsAbs(ancientDir):
ancientDir = config.Node.ResolvePath(ancientDir)
}
var oracle = func() string {
var ret string
if len(answers) > 0 {
ret = answers[0]
answers = answers[1:]
}
return ret
}
// Delete state data
statePaths := []string{rootDir, filepath.Join(ancientDir, rawdb.StateFreezerName)}
confirmAndRemoveDB(statePaths, "state data")
confirmAndRemoveDB(statePaths, "state data", oracle)

// Delete ancient chain
chainPaths := []string{filepath.Join(ancientDir, rawdb.ChainFreezerName)}
confirmAndRemoveDB(chainPaths, "ancient chain")
confirmAndRemoveDB(chainPaths, "ancient chain", oracle)
return nil
}

Expand All @@ -238,14 +248,23 @@ func removeFolder(dir string) {

// confirmAndRemoveDB prompts the user for a last confirmation and removes the
// list of folders if accepted.
func confirmAndRemoveDB(paths []string, kind string) {
func confirmAndRemoveDB(paths []string, kind string, oracle func() string) {
var (
confirm bool
err error
)
msg := fmt.Sprintf("Location(s) of '%s': \n", kind)
for _, path := range paths {
msg += fmt.Sprintf("\t- %s\n", path)
}
fmt.Println(msg)

confirm, err := prompt.Stdin.PromptConfirm(fmt.Sprintf("Remove '%s'?", kind))
if answer := oracle(); answer != "" {
fmt.Printf("Remove '%s'? [y/n] %s\n", kind, answer)
confirm = (answer == "y")
} else {
confirm, err = prompt.Stdin.PromptConfirm(fmt.Sprintf("Remove '%s'?", kind))
}
switch {
case err != nil:
utils.Fatalf("%v", err)
Expand Down
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