[!GOOS:windows] env GOPROXY=file://$WORK/gopath1/pkg/mod/cache/download
go list
grep v1.5.1 $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/list

-- $WORK/x/go.mod --
module x
go 1.13
require rsc.io/quote v1.5.1
-- $WORK/x/x.go --
package x
import _ "rsc.io/quote"
-- $WORK/x/go.sum --
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c h1:pvCbr/wm8HzDD3fVywevekufpn6tCGPY3spdHeZJEsw=

-- a/go.mod --
go 1.18

module example.com/hi

require "rsc.io/quote" v1.5.2
-- a/go.sum --
rsc.io/sampler v1.3.0 h1:HLGR/BgEtI3r0uymSP/nl2uPLsUnNJX8toRyhfpBTII=
rsc.io/sampler v1.3.0/go.mod h1:U1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-- a/main.go --
package main

import (
	"fmt"
	"rsc.io/quote"
)

func main() {
	fmt.Println(quote.Hello())
}
-- b/go.mod --
go 1.18

module example.com/hi2

also need rules from [Okio][okio] which is a dependency of this library.

 [okhttp3_pro]: https://raw.githubusercontent.com/square/okhttp/master/okhttp/src/main/resources/META-INF/proguard/okhttp3.pro

env GOSUMDB=$sumdb' '$proxy/sumdb-wrong
! go get rsc.io/quote
stderr 'SECURITY ERROR'

# GONOSUMDB bypasses sumdb, for rsc.io/quote, rsc.io/sampler, golang.org/x/text
env GONOSUMDB='*/quote,*/*mple*,golang.org/x'
go get rsc.io/quote
rm go.sum
env GOPRIVATE='*/quote,*/*mple*,golang.org/x'
env GONOPROXY=none # that is, proxy all despite GOPRIVATE
go get rsc.io/quote

# Download .info files needed for 'go list -m all' later.

app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
app.kubernetes.io/managed-by: {{ .Release.Service }}
{{- range $key, $val := .Values.labels }}
{{- if and (ne $key "app") (ne $key "istio") }}
{{ $key | quote }}: {{ $val | quote }}
{{- end }}
{{- end }}
{{- end }}

{{- define "gateway.selectorLabels" -}}
app: {{ (.Values.labels.app | quote) | default (include "gateway.name" .) }}

env GO111MODULE=on

go mod graph
stdout '^m rsc.io/quote@v1.5.2$'
stdout '^rsc.io/quote@v1.5.2 rsc.io/sampler@v1.3.0$'
! stdout '^m rsc.io/sampler@v1.3.0$'
! stderr 'get '$GOPROXY

rm $GOPATH/pkg/mod/cache/download/rsc.io/quote
go mod graph -x
stderr 'get '$GOPROXY

-- go.mod --
module m

	writeHeader(&buf)
	fmt.Fprintf(&buf, "package tzdata\n")
	fmt.Fprintln(&buf)
	fmt.Fprintf(&buf, "const zipdata = %s\n", quote(zip))

	writefile(buf.String(), file, writeSkipSame)
}

// quote is like strconv.Quote but simpler and has output
// that does not depend on the exact Go bootstrap version.
func quote(s string) string {
	const hex = "0123456789abcdef"
	var out strings.Builder
	out.WriteByte('"')

! go build -x -mod=readonly my-module/vendor/example.com/another-module/foo/bar/baz_with_outside_dep.go
stderr 'no required module provides package rsc.io/quote'
! go build -x -mod=vendor my-module/vendor/example.com/another-module/foo/bar/baz_with_outside_dep.go
stderr 'no required module provides package rsc.io/quote'

-- my-module/go.mod --
module example.com/my-module

go 1.20
-- my-module/vendor/example.com/another-module/foo/bar/baz.go --

func (e *{{ .Element }}) Mul(t1, t2 *{{ .Element }}) *{{ .Element }} {
	{{ .Prefix }}Mul(&e.x, &t1.x, &t2.x)
	return e
}

// Square sets e = t * t, and returns e.
func (e *{{ .Element }}) Square(t *{{ .Element }}) *{{ .Element }} {
	{{ .Prefix }}Square(&e.x, &t.x)
	return e
}

// Select sets v to a if cond == 1, and to b if cond == 0.

/*
 * Copyright (C) 2013 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,