Method Maintain

storage/github/github.go:280–330

Maintain deletes check files that are older than gh.CheckExpiry.

()

// Maintain deletes check files that are older than gh.CheckExpiry.
func (gh *Storage) Maintain() error {
	if gh.CheckExpiry == 0 {
		return nil
	}

	if err := gh.ensureClient(); err != nil {
		return err
	}

	index, indexSHA, err := gh.readIndex()
	if err != nil {
		return err
	}

	ref, _, err := gh.client.Git.GetRef(context.Background(), gh.RepositoryOwner, gh.RepositoryName, "heads/"+gh.Branch)
	if err != nil {
		return err
	}
	tree, _, err := gh.client.Git.GetTree(context.Background(), gh.RepositoryOwner, gh.RepositoryName, *ref.Object.SHA, true)
	if err != nil {
		return err
	}

	for _, treeEntry := range tree.Entries {
		fileName := treeEntry.GetPath()

		if fileName == filepath.Join(gh.Dir, fs.IndexName) {
			continue
		}
		if gh.Dir != "" && !strings.HasPrefix(fileName, gh.Dir) {
			log.Printf("github: maintain: skipping %s because it isn't in the configured subdirectory", fileName)
			continue
		}

		nsec, ok := index[filepath.Base(fileName)]
		if !ok {
			log.Printf("github: maintain: skipping %s because it's not in the index", fileName)
			continue
		}

		if time.Since(time.Unix(0, nsec)) > gh.CheckExpiry {
			log.Printf("github: maintain: deleting %s", fileName)
			if err = gh.deleteFile(fileName, treeEntry.GetSHA()); err != nil {
				return err
			}
			delete(index, fileName)
		}
	}

	return gh.writeIndex(index, indexSHA)
}