# go get foo.io (not foo.io/subdir) was not working consistently.

env GO111MODULE=off
env GOPATH=$WORK/gopath1${:}$WORK/gopath2

mkdir $WORK/gopath1/src/test
mkdir $WORK/gopath2/src/test
cp main.go $WORK/gopath2/src/test/main.go
cd $WORK/gopath2/src/test

! go install
stderr 'no install location for.*gopath2.src.test: hidden by .*gopath1.src.test'

-- main.go --
package main

// Package y is the next to last package of the alphabet.
package y

-- x.go --
package x

-- $WORK/gopath2/src/x/y/y.go --
// Package y is located in a GOPATH workspace.
package y
-- $WORK/gopath2/src/rsc.io/quote/quote.go --
// Package quote is located in a GOPATH workspace.
package quote

// Hello is located in a GOPATH workspace.

[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

env GOSUMDB=off # don't verify go.mod files when loading retractions
env GOPROXY=file:///$GOPATH/pkg/mod/cache/download
env GOPATH=$WORK/gopath2
mkdir $GOPATH

go list -m -f '{{.Path}} {{.Version}} {{.Time.Format "2006-01-02"}}' github.com/dmitshur-test/modtest5@latest
stdout '^github.com/dmitshur-test/modtest5 v0.5.0-alpha 2019-06-18$'

# If the module proxy contains only pseudo-versions, 'latest' should stat

# using the download cache as a proxy.
cp supported $GOPATH/pkg/mod/cache/download/sumdb/sum.golang.org/supported
[GOOS:windows] env GOPROXY=file:///$WORK/gopath1/pkg/mod/cache/download,file:///$WORK/sumproxy
[!GOOS:windows] env GOPROXY=file://$WORK/gopath1/pkg/mod/cache/download,file://$WORK/sumproxy
env GOPATH=$WORK/gopath2
rm go.sum
go get -x -v golang.org/x/text@v0.3.2

env root=
[GOOS:windows] env root=c:
env GOPATH=
go env -w GOPATH=$root/non-exist/gopath
! stderr .+
grep GOPATH=$root/non-exist/gopath $WORK/envdir/go/env
go env GOPATH
stdout /non-exist/gopath

# go env -w does not override OS environment, and warns about that
env GOPATH=$root/other
go env -w GOPATH=$root/non-exist/gopath2
stderr 'warning: go env -w GOPATH=... does not override conflicting OS environment variable'

	tg.run("env", "GOPATH")
	tg.grepStdout(regexp.QuoteMeta(tg.path("home/go")), "want GOPATH=$HOME/go")

	tg.setenv("GOROOT", tg.path("home/go"))
	tg.run("env", "GOPATH")
	tg.grepStdoutNot(".", "want unset GOPATH because GOROOT=$HOME/go")

	tg.setenv("GOROOT", tg.path("home/go")+"/")
	tg.run("env", "GOPATH")
	tg.grepStdoutNot(".", "want unset GOPATH because GOROOT=$HOME/go/")
}

	}

	// Diagnose common mistake: GOPATH==GOROOT.
	// This setting is equivalent to not setting GOPATH at all,
	// which is not what most people want when they do it.
	if gopath := cfg.BuildContext.GOPATH; filepath.Clean(gopath) == filepath.Clean(cfg.GOROOT) {
		fmt.Fprintf(os.Stderr, "warning: GOPATH set to GOROOT (%s) has no effect\n", gopath)
	} else {
		for _, p := range filepath.SplitList(gopath) {

		t.Fatal(err)
	}

	cmd := testenv.Command(t,
		testenv.GoToolPath(t), "build", "-o",
		filepath.Join(tmpdir, "output"))

	cmd.Env = append(os.Environ(),
		"GOARCH=amd64", "GOOS=linux", "GOPATH="+filepath.Join(tmpdir, "_gopath"))
	cmd.Dir = tmpdir

	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("error %s output %s", err, out)
	}
	cmd2 := testenv.Command(t,

	pathSeparator := ":"
	// Add all possible GOPATH paths into trimStrings
	// Split GOPATH depending on the OS type
	if runtime.GOOS == "windows" {
		pathSeparator = ";"
	}

	goPathList = strings.Split(goPath, pathSeparator)
	goRootList = strings.Split(goRoot, pathSeparator)
	defaultgoPathList = strings.Split(build.Default.GOPATH, pathSeparator)
	defaultgoRootList = strings.Split(build.Default.GOROOT, pathSeparator)