/
gopath.go
42 lines (38 loc) · 1.17 KB
/
gopath.go
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// Copyright (C) 2023 Shanhu Tech Inc.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU Affero General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
// for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package goenv
import (
"fmt"
"os"
"os/user"
"path/filepath"
)
// GOPATH returns GOPATH reading from environment variables.
// If GOPATH is missing it returns $HOME/go.
func GOPATH() (string, error) {
p := os.Getenv("GOPATH")
if p != "" {
lst := filepath.SplitList(p)
if len(lst) > 1 {
return "", fmt.Errorf("GOPATH contains multiple folders")
}
return p, nil
}
u, err := user.Current()
if err != nil {
return "", err
}
return filepath.Join(u.HomeDir, "go"), nil
}