/
utils.go
65 lines (60 loc) · 1.13 KB
/
utils.go
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package main
import (
"archive/zip"
"io"
"os"
"path"
"syscall"
"vimagination.zapto.org/byteio"
"vimagination.zapto.org/minewebgen/internal/data"
)
func writeError(w *byteio.StickyLittleEndianWriter, err error) {
w.WriteUint8(0)
data.WriteString(w, err.Error())
}
func moveFile(from, to string) error {
err := os.Rename(from, to)
if e, ok := err.(*os.LinkError); !ok || e.Err != syscall.EXDEV {
return err
}
fromf, err := os.Open(from)
if err != nil {
return err
}
defer fromf.Close()
tof, err := os.Create(to)
if err != nil {
return err
}
defer tof.Close()
_, err = io.Copy(tof, fromf)
return err
}
func unzip(zr *zip.Reader, dest string) error {
for _, f := range zr.File {
name := path.Join(dest, f.Name)
if f.FileInfo().IsDir() {
err := os.MkdirAll(name, f.Mode())
if err != nil {
return err
}
continue
}
inf, err := f.Open()
if err != nil {
return err
}
of, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
inf.Close()
return err
}
_, err = io.Copy(of, inf)
inf.Close()
of.Close()
if err != nil {
return err
}
}
return nil
}