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path: root/cmd/web/serve-self.go
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package main

import (
	"io"
	"os"
	"net/http"
)

func serveSelf(w http.ResponseWriter, r *http.Request) {
	s, err := os.Executable()
	if err != nil {
		Logger.Println("While trying to get my executable path: ", err)
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	fh, err := os.Open(s)
	if err != nil {
		Logger.Println("While opening my own executable for reading: ", err)
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	_, err = io.Copy(w, fh)
	fh.Close()
	return
}