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|
package steam
import (
"archive/tar"
"fmt"
"io"
"os"
"path/filepath"
"strings"
)
func tarWalkfn(writer *tar.Writer, prefix string) filepath.WalkFunc {
return func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
// Let's strip out all of the leading parts of the path
// to create a tarball realative to the root of the steam library
tarPth := strings.TrimPrefix(path, prefix)
tarPth = strings.ReplaceAll(tarPth, "\\", "/")
tarPth = strings.TrimPrefix(tarPth, "/")
h := &tar.Header{
Name: tarPth,
Size: info.Size(),
// I don't like it... but it helps with platform compatibility
Mode: 0664,
ModTime: info.ModTime(),
}
err = writer.WriteHeader(h)
if err != nil {
return err
}
_, err = io.Copy(writer, f)
if err != nil {
return fmt.Errorf("While copying %s: %w", path, err)
}
return nil
}
}
|
