83 lines
1.3 KiB
Go
83 lines
1.3 KiB
Go
package utils
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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func UnTarGz(srcFile string, destDir string) (string, error) {
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if err := os.MkdirAll(destDir, 0755); err != nil {
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return "", err
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}
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fr, err := os.Open(srcFile)
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if err != nil {
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return "", err
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}
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defer func() {
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_ = fr.Close()
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}()
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gr, err := gzip.NewReader(fr)
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if err != nil {
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return "", err
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}
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defer func() {
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_ = gr.Close()
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}()
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tr := tar.NewReader(gr)
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targetFile := ""
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for {
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header, err := tr.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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return "", err
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}
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if targetFile == "" {
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parts := strings.Split(header.Name, "/")
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if len(parts) > 0 {
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targetFile = filepath.Join(destDir, parts[0])
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}
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}
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filename := filepath.Join(destDir, header.Name)
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switch header.Typeflag {
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case tar.TypeDir:
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if err := os.MkdirAll(filename, os.FileMode(header.Mode)); err != nil {
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return "", err
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}
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case tar.TypeReg:
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file, err := os.OpenFile(filename, os.O_CREATE|os.O_RDWR, os.FileMode(header.Mode))
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if err != nil {
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return "", err
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}
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if _, err := io.Copy(file, tr); err != nil {
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_ = file.Close()
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return "", err
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}
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_ = file.Close()
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case tar.TypeSymlink:
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if err := os.Symlink(header.Linkname, filename); err != nil {
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return "", err
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}
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}
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}
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return targetFile, nil
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}
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