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main.go
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main.go
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package main
import (
"flag"
"io"
"log"
"os"
"path/filepath"
)
const (
BasePath = "/var/run/kontext"
)
func copy(src, dest string, info os.FileInfo) error {
from, err := os.Open(src)
if err != nil {
return err
}
defer from.Close()
to, err := os.OpenFile(dest, os.O_RDWR|os.O_CREATE, info.Mode())
if err != nil {
return err
}
defer to.Close()
_, err = io.Copy(to, from)
if err != nil {
return err
}
return nil
}
func main() {
targetPath := flag.String("output_dir", "/workspace", "The directory the contents are extracted to.")
flag.Parse()
err := filepath.Walk(BasePath,
func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if path == BasePath {
return nil
}
relativePath := path[len(BasePath)+1:]
target := filepath.Join(*targetPath, relativePath)
if info.IsDir() {
return os.MkdirAll(target, info.Mode())
}
if !info.Mode().IsRegular() {
log.Printf("Skipping irregular file: %q", relativePath)
return nil
}
if err := os.MkdirAll(filepath.Dir(target), 0444); err != nil {
return err
}
return copy(path, target, info)
})
if err != nil {
log.Println(err)
}
log.Println("Done!")
}