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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
package automation
import (
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
)
func clean(sdkRoot string, packages packagesForReadme) ([]existingGenerationMetadata, error) {
var removedPackages []existingGenerationMetadata
for _, metadata := range packages {
log.Printf("Cleaning up pakcage '%s'...", metadata.packageName)
packageFullPath := filepath.Join(sdkRoot, metadata.packageName)
if err := os.RemoveAll(packageFullPath); err != nil {
return nil, fmt.Errorf("cannot remove package '%s': %+v", metadata.packageName, err)
}
removedPackages = append(removedPackages, metadata)
// recursively remove all its parent if this directory is empty after the deletion
if err := removeEmptyParents(filepath.Dir(packageFullPath)); err != nil {
return nil, err
}
}
return removedPackages, nil
}
func removeEmptyParents(parent string) error {
fi, err := ioutil.ReadDir(parent)
if err != nil {
return err
}
if len(fi) == 0 {
if err := os.RemoveAll(parent); err != nil {
return err
}
return removeEmptyParents(filepath.Dir(parent))
}
return nil
}
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