testscript-rs/testdata/exec_path_change.txt

# If the PATH environment variable is set in the testscript.Params.Setup phase
# or set directly within a script, exec should honour that PATH

[!exec:go] skip

env HOME=$WORK${/}home
[windows] env USERPROFILE=$WORK\home
[windows] env LOCALAPPDATA=$WORK\appdata

cd go
exec go$exe version
stdout 'go version'
exec go$exe build
env PATH=$WORK${/}go${:}$PATH
exec go$exe version
stdout 'This is not go'

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

-- go/main.go --
package main

import "fmt"

func main() {
	fmt.Println("This is not go")
}