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1234567891011121314151617181920212223242526272829303132333435363738394041// Copyright (c) Tailscale Inc & contributors// SPDX-License-Identifier: BSD-3-Clause
// nardump is like nix-store --dump, but in Go, writing a NAR// file (tar-like, but focused on being reproducible) to stdout// or to a hash with the --sri flag.//// It lets us calculate a Nix sha256 without the person running// git-pull-oss.sh having Nix available.package main
import ( "flag" "fmt" "log" "os"
"tailscale.com/cmd/nardump/nardump")
var sri = flag.Bool("sri", false, "print SRI")
func main() { flag.Parse() if flag.NArg() != 1 { log.Fatal("usage: nardump <dir>") } fsys := os.DirFS(flag.Arg(0)) if *sri { s, err := nardump.SRI(fsys) if err != nil { log.Fatal(err) } fmt.Println(s) return } if err := nardump.WriteNAR(os.Stdout, fsys); err != nil { log.Fatal(err) }}