"io/fs"
	"log"
	"os"
	"path/filepath"
	"strings"
	"unicode/utf8"
)

func usage() {
	fmt.Fprintf(os.Stderr, "usage: go run savedir.go dir >saved.txt\n")
	os.Exit(2)
}

const goCmd = "vgo"

func main() {
	flag.Usage = usage
	flag.Parse()
	if flag.NArg() != 1 {
		usage()
	}

	log.SetPrefix("savedir: ")
	log.SetFlags(0)

	dir := flag.Arg(0)

	a := new(txtar.Archive)

have been replaced with underscores. The archive must contain
two files ".info" and ".mod", to be served as the info and mod files
in the proxy protocol (see https://research.swtch.com/vgo-module).
The remaining files are served as the content of the module zip file.
The path@vers prefix required of files in the zip file is added
automatically by the proxy: the files in the archive have names without

				}
			}
			if !foundRequire {
				article := ""
				if inWorkspaceMode() {
					article = "a "
				}
				vendErrorf(mod, "is marked as explicit in vendor/modules.txt, but not explicitly required in %vgo.mod", article)
			}

		}
	}

	for _, mod := range vendorReplaced {
		r := Replacement(mod)
		replacementSource := "go.mod"
		if inWorkspaceMode() {
			replacementSource = "the workspace"
		}