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package transactional
import (
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/storer"
)
type ShallowStorage struct {
storer.ShallowStorer
temporal storer.ShallowStorer
}
func NewShallowStorage(s, temporal storer.ShallowStorer) *ShallowStorage {
return &ShallowStorage{
ShallowStorer: s,
temporal: temporal,
}
}
func (s *ShallowStorage) SetShallow(commits []plumbing.Hash) error {
return s.temporal.SetShallow(commits)
}
func (s *ShallowStorage) Shallow() ([]plumbing.Hash, error) {
shallow, err := s.temporal.Shallow()
if err != nil {
return nil, err
}
if len(shallow) != 0 {
return shallow, nil
}
return s.ShallowStorer.Shallow()
}
func (s *ShallowStorage) Commit() error {
commits, err := s.temporal.Shallow()
if err != nil || len(commits) == 0 {
return err
}
return s.ShallowStorer.SetShallow(commits)
}
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