libgo/go/cmd/go/testdata/script/mod_off.txt

env GO111MODULE=off

# This script tests that running go mod with
# GO111MODULE=off when outside of GOPATH will fatal
# with an error message, even with some source code in the directory and a go.mod.
! go mod init
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod graph
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod verify
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod download
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''

# Same result in an empty directory
mkdir z
cd z
! go mod init
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod graph
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod verify
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''
! go mod download
stderr 'go: modules disabled by GO111MODULE=off; see ''go help modules'''

-- sample.go --
package sample

func main() {}

-- go.mod --
module sample

go 1.12