/
zip.go
61 lines (51 loc) · 968 Bytes
/
zip.go
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package gen
import (
"archive/zip"
"crypto/sha256"
"fmt"
"io"
"log"
"os"
)
func zipFile(filename string, file string) error {
newZipFile, err := os.Create(filename)
if err != nil {
return err
}
defer newZipFile.Close()
zipWriter := zip.NewWriter(newZipFile)
defer zipWriter.Close()
fileToZip, err := os.Open(file)
if err != nil {
return err
}
defer fileToZip.Close()
// Get the file information
info, err := fileToZip.Stat()
if err != nil {
return err
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
header.Method = zip.Deflate
writer, err := zipWriter.CreateHeader(header)
if err != nil {
return err
}
_, err = io.Copy(writer, fileToZip)
return err
}
func filehash(filename string) string {
f, err := os.Open(filename)
if err != nil {
log.Fatal(err)
}
defer f.Close()
h := sha256.New()
if _, err := io.Copy(h, f); err != nil {
log.Fatal(err)
}
return fmt.Sprintf("%x", h.Sum(nil))
}