[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=$WORK/gopath2
[windows] env GOPROXY=file:///C:/nonexist
[!windows] env GOPROXY=file:///nonexist
! go list
[windows] env GOPROXY=file:///$WORK/gopath1/pkg/mod/cache/download
[!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=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
rsc.io/quote v1.5.1 h1:ZE3OgnVGrhXtFkGw90HwW992ZRqcdli/33DLqEYsoxA=
rsc.io/quote v1.5.1/go.mod h1:LzX7hefJvL54yjefDEDHNONDjII0t9xZLPXsUe+TKr0=
rsc.io/sampler v1.3.0 h1:HLGR/BgEtI3r0uymSP/nl2uPLsUnNJX8toRyhfpBTII=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=