func targetDelOne(t *target.Target) error {
if !targetForce {
// Determine if the target directory contains extra user files. If it
// does, a prompt (or force) is required to delete it.
userFiles, err := targetContainsUserFiles(t)
if err != nil {
return err
}
if userFiles {
scanner := bufio.NewScanner(os.Stdin)
fmt.Printf("Target directory %s contains some extra content; "+
"delete anyway? (y/N): ", t.Package().BasePath())
rc := scanner.Scan()
if !rc || strings.ToLower(scanner.Text()) != "y" {
return nil
}
}
}
if err := os.RemoveAll(t.Package().BasePath()); err != nil {
return util.NewNewtError(err.Error())
}
util.StatusMessage(util.VERBOSITY_DEFAULT,
"Target %s successfully deleted.\n", t.FullName())
return nil
}
// Tells you if a target's directory contains extra user files (i.e., files
// other than pkg.yml).
func targetContainsUserFiles(t *target.Target) (bool, error) {
contents, err := ioutil.ReadDir(t.Package().BasePath())
if err != nil {
return false, err
}
userFiles := false
for _, node := range contents {
name := node.Name()
if name != "." && name != ".." &&
name != pkg.PACKAGE_FILE_NAME && name != target.TARGET_FILENAME {
userFiles = true
break
}
}
return userFiles, nil
}