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|
package archive
import (
"archive/tar"
"path/filepath"
"fmt"
"io"
"os"
)
type Archive struct {
Output, Input string
file *os.File
writer *tar.Writer
}
func (a *Archive) Tar() error {
var err error
if a.file, err = os.Create(a.Output); err != nil {
return err
}
defer a.file.Close()
a.writer = tar.NewWriter(a.file)
defer a.writer.Close()
if err := filepath.Walk(a.Input, a.tarWalkfn()); err != nil {
return err
}
fmt.Fprintln(os.Stderr, "done, remove me later")
return nil
}
func (a *Archive) tarWalkfn() filepath.WalkFunc {
// This is an interesting trick to get around scoping issues
return func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
// fmt.Fprintf(os.Stderr, "%s: Fileinfo: %s", path, info.IsDir())
f, err := os.Open(path)
if err != nil {
return err
}
// defer f.Close()
h := &tar.Header{
Name: path,
Size: info.Size(),
Mode: int64(info.Mode()),
ModTime: info.ModTime(),
}
// h, err := tar.FileInfoHeader(info, "")
if err != nil {
return err
}
err = a.writer.WriteHeader(h)
if err != nil {
/*
fmt.Fprintf(os.Stderr, "This header has a problem: %s\n", h)
fmt.Fprintln(os.Stderr, "FUCK this error")
fmt.Fprintln(os.Stderr, err)
*/
// fmt.Fprintln(os.Stderr, "Here!")
return err
}
_, err = io.Copy(a.writer, f)
if err != nil {
fmt.Fprintln(os.Stderr, "here")
fmt.Fprintln(os.Stderr, f.Name())
return err
}
return nil
}
}
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