105 lines
1.8 KiB
Go
105 lines
1.8 KiB
Go
package helpers
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import (
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"fmt"
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"strings"
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"path/filepath"
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"math/rand"
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"time"
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"strconv"
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"os"
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"io"
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)
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var r = rand.New(rand.NewSource(time.Now().UnixNano()))
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func Ask(str string) bool {
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var input string
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fmt.Printf("-> %s (Y/n): ", str)
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fmt.Scanln(&input)
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input = strings.TrimSpace(input)
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input = strings.ToLower(input)
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if input != "y" && input != "" && input != "yes" {
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return false
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}
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return true
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}
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func ToString(v interface{}) string {
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switch val := v.(type) {
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case int:
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return strconv.Itoa(val)
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case float64:
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return strconv.FormatFloat(val, 'f', -1, 64)
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case string:
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return val
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default:
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return ""
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}
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}
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func RandStr(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(r.Intn(26) + 'a')
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}
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return string(b)
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}
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func CopyDir(src, dst string) error {
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return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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rel, err := filepath.Rel(src, path)
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if err != nil {
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return err
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}
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target := filepath.Join(dst, rel)
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mode := info.Mode()
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switch {
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case mode&os.ModeSymlink != 0:
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link, err := os.Readlink(path)
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if err != nil {
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return err
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}
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return os.Symlink(link, target)
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case info.IsDir():
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return os.MkdirAll(target, 0755)
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default:
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return CopyFile(path, target)
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}
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})
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}
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func CopyFile(src, dst string) error {
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in, err := os.Open(src)
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if err != nil {
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return err
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return err
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}
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defer out.Close()
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_, err = io.Copy(out, in)
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if err != nil {
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return err
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}
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si, err := os.Stat(src)
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if err != nil {
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return err
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}
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return os.Chmod(dst, si.Mode())
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}
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