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package Archive
import (
"archive/tar"
"compress/gzip"
"io"
"io/fs"
"os"
"path/filepath"
"strings"
)
func UnGzip(source, target string) error {
var (
reader, writer *os.File
archive *gzip.Reader
e error
)
reader, e = os.Open(source)
if e != nil {
return e
}
defer reader.Close()
archive, e = gzip.NewReader(reader)
if e != nil {
return e
}
defer archive.Close()
target = filepath.Join(target, archive.Name)
writer, e = os.Create(target)
if e != nil {
return e
}
defer writer.Close()
_, e = io.Copy(writer, archive)
return e
}
func Untar(tarball, target string) error {
var (
reader *os.File
tarReader *tar.Reader
header *tar.Header
info fs.FileInfo
file *os.File
path string
e error
)
reader, e = os.Open(tarball)
if e != nil {
return e
}
defer reader.Close()
tarReader = tar.NewReader(reader)
for {
header, e = tarReader.Next()
if e == io.EOF {
break
}
if e != nil {
return e
}
path = "/" + strings.Join(strings.Split(header.Name, "/")[1:], "/")
info = header.FileInfo()
if info.IsDir() {
e = os.MkdirAll(path, info.Mode())
if e != nil {
return e
}
continue
}
file, e = os.OpenFile(path, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, info.Mode())
if e != nil {
return e
}
defer file.Close()
_, e = io.Copy(file, tarReader)
if e != nil {
return e
}
}
return nil
}
func UntarGzip(source, target string) error {
var (
tarPath string = strings.ReplaceAll(source, ".gz", "")
e error
)
e = UnGzip(source, tarPath)
if e != nil {
return e
}
return Untar(tarPath, target)
}