84 lines
1.4 KiB
Go
84 lines
1.4 KiB
Go
package util
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import (
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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"io"
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"math/rand"
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"os"
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"path/filepath"
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"time"
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// "strings"
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)
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func DirModTime(path string) (time.Time, error) {
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var lastTime time.Time
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err := filepath.Walk(path, 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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cur := info.ModTime()
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if cur.After(lastTime) {
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lastTime = info.ModTime()
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}
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return nil
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})
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if err != nil {
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return time.Time{}, err
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}
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return lastTime, nil
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}
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func PathIsNewer(source string, compare string) bool {
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time1, err := DirModTime(source)
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if err != nil {
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wwlog.Printf(wwlog.DEBUG, "%s\n", err)
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return false
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}
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time2, err := DirModTime(compare)
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if err != nil {
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wwlog.Printf(wwlog.DEBUG, "%s\n", err)
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return false
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}
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return time1.Before(time2)
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}
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func RandomString(n int) string {
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var letter = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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b := make([]rune, n)
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for i := range b {
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b[i] = letter[rand.Intn(len(letter))]
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}
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return string(b)
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}
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func CopyFile(source string, dest string) error {
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wwlog.Printf(wwlog.DEBUG, "Copying '%s' to '%s'\n", source, dest)
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sourceFD, err := os.Open(source)
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if err != nil {
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return err
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}
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finfo, err := sourceFD.Stat()
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destFD, err := os.OpenFile(dest, os.O_RDWR|os.O_CREATE, finfo.Mode())
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if err != nil {
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return err
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}
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_, err = io.Copy(destFD, sourceFD)
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if err != nil {
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return err
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}
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sourceFD.Close()
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return destFD.Close()
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}
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