/
targzip.go
66 lines (54 loc) · 1022 Bytes
/
targzip.go
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package com
import (
"archive/tar"
"compress/gzip"
"io"
"os"
)
func handleErr(e error) {
if e != nil {
panic(e.Error())
}
}
func tarFile(path string, tw *tar.Writer, fi os.FileInfo) {
fr, err := os.Open(path)
handleErr(err)
defer fr.Close()
hdr := new(tar.Header)
hdr.Name = path
hdr.Size = fi.Size()
hdr.Mode = int64(fi.Mode())
hdr.ModTime = fi.ModTime()
err = tw.WriteHeader(hdr)
handleErr(err)
_, err = io.Copy(tw, fr)
handleErr(err)
return
}
func tarDir(dirPath string, tw *tar.Writer) {
dir, err := os.Open(dirPath)
handleErr(err)
defer dir.Close()
fis, err := dir.Readdir(0)
handleErr(err)
for _, fi := range fis {
curPath := dirPath + "/" + fi.Name()
if fi.IsDir() {
tarDir(curPath, tw)
} else {
tarFile(curPath, tw, fi)
}
}
return
}
func TarGz(tarFile string, srcDir string) {
fw, err := os.Create(tarFile)
handleErr(err)
defer fw.Close()
gw := gzip.NewWriter(fw)
defer gw.Close()
tw := tar.NewWriter(gw)
defer tw.Close()
tarDir(srcDir, tw)
return
}