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package main
import (
"errors"
"fmt"
"net"
"net/http"
"os"
"path/filepath"
)
func mainWithError() error {
listenerFile := os.NewFile(uintptr(3), "listener")
if listenerFile == nil {
return errors.New("FD3 is not open")
}
listener, err := net.FileListener(listenerFile)
if err != nil {
return err
}
if err := os.Chdir(filepath.Dir(filepath.Dir(os.Args[0]))); err != nil {
return err
}
return http.Serve(listener, http.FileServer(http.Dir("public")))
}
func main() {
if err := mainWithError(); err != nil {
fmt.Fprintf(os.Stderr, "%s: error: %v\n", os.Args[0], err)
os.Exit(1)
}
}
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