# Pastebin FtlvGRyI
package main

import (
	"io/ioutil"
	"log"
	"os/exec"

	toml "github.com/pelletier/go-toml"
)

const notice = "# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.\n\n"

type gopkg struct {
	Projects []*project `toml:"projects"`
	Meta     meta       `toml:"solve-meta"`
}

type project struct {
	Name     string   `toml:"name"`
	Source   *string  `toml:"source,omitempty"`
	Version  *string  `toml:"version,omitempty"`
	Branch   *string  `toml:"branch,omitempty"`
	Revision *string  `toml:"revision,omitempty"`
	Packages []string `toml:"packages,omitempty"`
	SHA256   *string  `toml:"sha256,omitempty"`
}

type meta struct {
	AnalyzerName    string `toml:"analyzer-name"`
	AnalyzerVersion uint   `toml:"analyzer-version"`
	InputsDigest    string `toml:"inputs-digest"`
	SolverName      string `toml:"solver-name"`
	SolverVersion   uint   `toml:"solver-version"`
}

func main() {
	content, err := ioutil.ReadFile("Gopkg.lock")
	fail(err)

	pkgs := gopkg{}
	err = toml.Unmarshal(content, &pkgs)
	fail(err)

	for _, p := range pkgs.Projects {
		path := "vendor/" + p.Name
		cmd := exec.Command("nix-hash", "--type", "sha256", "--base32", path)
		out, err := cmd.Output()
		fail(err)
		sout := string(out[0 : len(out)-1])
		p.SHA256 = &sout
	}

	buf, err := toml.Marshal(pkgs)
	fail(err)
	buf = append([]byte(notice), buf...)

	err = ioutil.WriteFile("Gopkg.lock", buf, 0644)
	fail(err)
}

func fail(err error) {
	if err != nil {
		log.Fatalln(err)
	}
}