# Test that garble works with transparent upgrades via GOTOOLCHAIN.
# We want to use the real GOPROXY so that we can download the newer
# toolchain, and we use the host's GOMODCACHE so we can reuse it.
setup-go go1.23.7
env GOPROXY=proxy.golang.org
env GOMODCACHE=${HOST_GOMODCACHE}
# The bug below is about a badly patched cmd/link, so we need a separate
# GARBLE_CACHE to not allow reusing the host's working patched linker.
env GARBLE_CACHE=${WORK}/.garble-cache

# Verify that we are using an older version of Go.
exec go version
stdout 'go version go1\.23\.7'

cd mod

# The builds inside the module use the upgraded toolchain.

exec go run .
stderr 'hello from go1\.24\.1'

# TODO: fix this.
! exec garble run .
stderr 'linked object header mismatch'

-- mod/go.mod --
module test

go 1.24.1
-- mod/main.go --
package main

import "runtime"

func main() {
	println("hello from", runtime.Version())
}