56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
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// Copyright 2024 The Forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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// Copied and modified from https://github.com/ethantkoenig/rupture (MIT License)
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package bleve
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import (
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"os"
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"path/filepath"
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"code.gitea.io/gitea/modules/json"
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)
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const metaFilename = "rupture_meta.json"
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func indexMetadataPath(dir string) string {
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return filepath.Join(dir, metaFilename)
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}
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// IndexMetadata contains metadata about a bleve index.
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type IndexMetadata struct {
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// The version of the data in the index. This can be useful for tracking
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// schema changes or data migrations.
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Version int `json:"version"`
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}
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// readIndexMetadata returns the metadata for the index at the specified path.
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// If no such index metadata exists, an empty metadata and a nil error are
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// returned.
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func readIndexMetadata(path string) (*IndexMetadata, error) {
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meta := &IndexMetadata{}
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metaPath := indexMetadataPath(path)
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if _, err := os.Stat(metaPath); os.IsNotExist(err) {
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return meta, nil
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} else if err != nil {
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return nil, err
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}
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metaBytes, err := os.ReadFile(metaPath)
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if err != nil {
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return nil, err
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}
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return meta, json.Unmarshal(metaBytes, &meta)
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}
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// writeIndexMetadata writes metadata for the index at the specified path.
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func writeIndexMetadata(path string, meta *IndexMetadata) error {
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metaBytes, err := json.Marshal(meta)
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if err != nil {
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return err
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}
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return os.WriteFile(indexMetadataPath(path), metaBytes, 0o644)
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}
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