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package files
import (
"errors"
"fmt"
"os"
"path"
)
func (executor *refUpdateExecutor) removeEmptyDirTree(name refPath) error {
root := executor.store.rootFor(name.root)
info, err := root.Stat(name.path)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return nil
}
return err
}
if !info.IsDir() {
return nil
}
return executor.removeEmptyDirTreeRecursive(name)
}
func (executor *refUpdateExecutor) removeEmptyDirTreeRecursive(name refPath) error {
root := executor.store.rootFor(name.root)
dir, err := root.Open(name.path)
if err != nil {
return err
}
entries, err := dir.ReadDir(-1)
_ = dir.Close()
if err != nil {
return err
}
for _, entry := range entries {
if !entry.IsDir() {
return fmt.Errorf("refstore/files: non-empty directory blocks reference %q", name.path)
}
err = executor.removeEmptyDirTreeRecursive(refPath{
root: name.root,
path: path.Join(name.path, entry.Name()),
})
if err != nil {
return err
}
}
return root.Remove(name.path)
}
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