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115 lines
1.8 KiB
115 lines
1.8 KiB
package Archive
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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 Gzip(source, target string) error {
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var (
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reader, writer *os.File
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archiver *gzip.Writer
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filename string
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e error
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)
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reader, e = os.Open(source)
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if e != nil {
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return e
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}
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//filename = filepath.Base(source)
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//target = filepath.Join(target, fmt.Sprintf("%s.gz", filename))
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writer, e = os.Create(target)
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if e != nil {
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return e
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}
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defer writer.Close()
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archiver = gzip.NewWriter(writer)
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archiver.Name = filename
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defer archiver.Close()
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_, e = io.Copy(archiver, reader)
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return e
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}
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func Tar(source, target string) error {
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var (
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tarfile, file *os.File
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tarball *tar.Writer
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header *tar.Header
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e error
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)
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tarfile, e = os.Create(target)
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if e != nil {
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return e
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}
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defer tarfile.Close()
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tarball = tar.NewWriter(tarfile)
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defer tarball.Close()
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return filepath.Walk(source,
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func(path string, info os.FileInfo, e error) error {
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if e != nil {
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return e
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}
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header, e = tar.FileInfoHeader(info, info.Name())
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if e != nil {
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return e
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}
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// TODO change "/" to work cross platform
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header.Name = strings.TrimPrefix(strings.TrimPrefix(path, source), "/")
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if header.Name == "" {
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return nil
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}
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e = tarball.WriteHeader(header)
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if e != nil {
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return e
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}
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if info.IsDir() {
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return nil
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}
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file, e = os.Open(path)
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if e != nil {
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return e
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}
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defer file.Close()
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_, e = io.Copy(tarball, file)
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return e
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})
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}
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func TarGzip(source, target string) error {
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var (
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tarPath string = strings.ReplaceAll(target, ".gz", "")
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e error
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)
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e = Tar(source, tarPath)
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if e != nil {
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return e
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}
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e = Gzip(tarPath, target)
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if e != nil {
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return e
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}
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return os.Remove(tarPath)
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}
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