51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package integration
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import (
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"errors"
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"os"
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"path/filepath"
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)
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func ModuleRootDir() (string, error) {
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return moduleRootDir(os.Getwd)
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}
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func moduleRootDir(getWD func() (string, error)) (string, error) {
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// in a test, the working directory will be the test package source dir
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wd, err := getWD()
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if err != nil {
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return "", err
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}
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// walk upwards looking for module file
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currDir := wd
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for {
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// stop at first existing go.mod
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_, err := os.Stat(filepath.Join(currDir, "go.mod"))
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if err == nil {
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return currDir, nil
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}
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// if we get back the same path, we've hit the disk / volume root
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nextDir := filepath.Dir(currDir)
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if nextDir == currDir {
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return "", errors.New("walked to disk root without finding module root")
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}
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currDir = nextDir
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}
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}
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