| 1 | package checkpoint |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | |
| 9 | "reasonix/internal/fileutil" |
| 10 | ) |
| 11 | |
| 12 | // writeJSONAtomic marshals v and publishes it via AtomicWriteFileStrict. |
| 13 | func writeJSONAtomic(path string, v any) error { |
| 14 | b, err := json.MarshalIndent(v, "", " ") |
| 15 | if err != nil { |
| 16 | return err |
| 17 | } |
| 18 | if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil { |
| 19 | return err |
| 20 | } |
| 21 | return fileutil.AtomicWriteFileStrict(path, b, 0o644) |
| 22 | } |
| 23 | |
| 24 | // readJSONFile unmarshals path into v. |
| 25 | func readJSONFile(path string, v any) error { |
| 26 | b, err := os.ReadFile(path) |
| 27 | if err != nil { |
| 28 | return err |
| 29 | } |
| 30 | if err := json.Unmarshal(b, v); err != nil { |
| 31 | return fmt.Errorf("decode %s: %w", filepath.Base(path), err) |
| 32 | } |
| 33 | return nil |
| 34 | } |
| 35 |