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gomod.go
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gomod.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 smake
import (
"path/filepath"
"shanhu.io/g/errcode"
"shanhu.io/g/osutil"
)
func findGoModuleRoot(d string) (string, error) {
for {
modFile := filepath.Join(d, "go.mod")
ok, err := osutil.IsRegular(modFile)
if err != nil {
return "", errcode.Annotate(err, "check go.mod file")
}
if !ok {
if d == "/" {
break
}
d = filepath.Dir(d)
if d == "" {
break
}
continue
}
return d, nil
}
return "", errcode.NotFoundf("go module not found for dir %q", d)
}