#!/usr/bin/env bash
# Copyright 2023 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

case "$GOWASIRUNTIME" in
	"wasmedge")
		exec wasmedge --dir=/ --env PWD="$PWD" --env PATH="$PATH" ${GOWASIRUNTIMEARGS:-} "$1" "${@:2}"
		;;
	"wasmer")
		exec wasmer run --dir=/ --env PWD="$PWD" --env PATH="$PATH" ${GOWASIRUNTIMEARGS:-} "$1" -- "${@:2}"
		;;
	"wazero")

# work use with newer modules should bump go and toolchain,
# including updating to a newer toolchain as needed.
env TESTGO_VERSION=go1.21
env TESTGO_VERSION_SWITCH=switch
rm go.work
go work init
env GOTOOLCHAIN=local
! go work use ./m1_22_0
stderr '^go: m1_22_0'${/}'go.mod requires go >= 1.22.0 \(running go 1.21; GOTOOLCHAIN=local\)$'
env GOTOOLCHAIN=auto
go work use ./m1_22_0

	// Build a package in a mode not handled by the make script.
	runCmd(t, gorootSrc, env, goCmdPath, "build", "-race", "archive/tar")

	// Rebuild the toolchain with GOEXPERIMENT.
	env = append(env, "GOEXPERIMENT=fieldtrack")
	runCmd(t, gorootSrc, env, makeScriptPath)

	// Verify compiler version string.
	gotVersion = bytes.TrimSpace(runCmd(t, gorootSrc, env, goCmdPath, "tool", "compile", "-V=full"))

# Run this using build.sh.

ARG ubuntu=ubuntu
FROM $ubuntu:focal

RUN mkdir /boring
WORKDIR /boring

ENV LANG=C
ENV LANGUAGE=

# Following NIST submission draft dated July 3, 2021.
# This corresponds to boringssl.googlesource.com/boringssl tag fips-20210429.
ENV ClangV=12
RUN apt-get update && \
        apt-get install --no-install-recommends -y cmake xz-utils wget unzip ca-certificates clang-$ClangV python

	"authority":           env.Register("ISTIOCTL_AUTHORITY", "", "The istioctl --authority override"),
	"cert-dir":            env.Register("ISTIOCTL_CERT_DIR", "", "The istioctl --cert-dir override"),
	"insecure":            env.Register("ISTIOCTL_INSECURE", false, "The istioctl --insecure override"),

		return nil, err
	}

	ctx, cancel := context.WithCancel(ctx)

	// Make a fresh copy of the env slice to avoid aliasing bugs if we ever
	// start modifying it in place; this also establishes the invariant that
	// s.env contains no duplicates.
	env := cleanEnv(initialEnv, absWork)

	envMap := make(map[string]string, len(env))

	// Add entries for ${:} and ${/} to make it easier to write platform-independent
	// paths in scripts.

	ClusterName = env.Register("CLUSTER_ID", constants.DefaultClusterName,
		"Defines the cluster and service registry that this Istiod instance belongs to").Get()

	ExternalIstiod = env.Register("EXTERNAL_ISTIOD", false,
		"If this is set to true, one Istiod will control remote clusters including CA.").Get()

	EnableCAServer = env.Register("ENABLE_CA_SERVER", true,

env GO111MODULE=on
env GOPROXYBASE=$GOPROXY
env GOPROXY=$GOPROXYBASE/redirect/11
env GOSUMDB=off

! go mod download rsc.io/quote@v1.2.0
stderr 'stopped after 10 redirects'

env GOPROXY=$GOPROXYBASE/redirect/9

env XDG_CACHE_HOME=$WORK/xdg
env HOME=$WORK/home

# With all three set, we should prefer GOCACHE.
go env GOCACHE
stdout $WORK'/gocache$'

# Without GOCACHE, we should prefer XDG_CACHE_HOME over HOME.
env GOCACHE=
go env GOCACHE
stdout $WORK'/xdg/go-build$$'

# With only HOME set, we should use $HOME/.cache.
env XDG_CACHE_HOME=
go env GOCACHE
stdout $WORK'/home/.cache/go-build$'

[short] skip

# Allow (cached) downloads for -mod=readonly.
env GO111MODULE=on
env GOPATH=$WORK/gopath1
cd $WORK/x
go mod edit -fmt
go list -mod=readonly
env GOPROXY=file:///nonexist
go list
grep v1.5.1 $GOPATH/pkg/mod/cache/download/rsc.io/quote/@v/list

# Use download cache as file:/// proxy.
env GOPATH=$WORK/gopath2
[GOOS:windows] env GOPROXY=file:///C:/nonexist
[!GOOS:windows] env GOPROXY=file:///nonexist
! go list