I've written the following code to tar a file, code works but strangely if I untar the archive the file permissions are gone so I can't read it unless I then chmod the file:
package main
import (
"archive/tar"
"io/ioutil"
"log"
"os"
)
func main() {
c, err := os.Create("/path/to/tar/file/test.tar")
if err != nil {
log.Fatalln(err)
}
tw := tar.NewWriter(c)
f, err := os.Open("sample.txt")
if err != nil {
log.Fatalln(err)
}
fi, err := f.Stat()
if err != nil {
log.Fatalln(err)
}
hdr := &tar.Header{Name: f.Name(),
Size: fi.Size(),
}
if err := tw.WriteHeader(hdr); err != nil {
log.Fatalln(err)
}
r, err := ioutil.ReadFile("sample.txt")
if err != nil {
log.Fatalln(err)
}
if _, err := tw.Write(r); err != nil {
log.Fatalln(err)
}
if err := tw.Close(); err != nil {
log.Fatalln(err)
}
}
Any idea what I'm doing wrong?