| 1 | package agent |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "os" |
| 6 | "path/filepath" |
| 7 | "time" |
| 8 | |
| 9 | "reasonix/internal/store" |
| 10 | ) |
| 11 | |
| 12 | // moveFlatImport re-homes a session left in the global directory by a flat |
| 13 | // import. An mtime match distinguishes it from a same-named native session. |
| 14 | func moveFlatImport(oldPath, newPath string, srcInfo os.FileInfo) bool { |
| 15 | if srcInfo == nil { |
| 16 | return false |
| 17 | } |
| 18 | info, err := os.Stat(oldPath) |
| 19 | if err != nil { |
| 20 | return false |
| 21 | } |
| 22 | d := info.ModTime().Sub(srcInfo.ModTime()) |
| 23 | if d < -2*time.Second || d > 2*time.Second { |
| 24 | return false |
| 25 | } |
| 26 | if moved, decided := moveNativeFlatImport(oldPath, newPath); decided { |
| 27 | return moved |
| 28 | } |
| 29 | if err := os.MkdirAll(filepath.Dir(newPath), 0o755); err != nil { |
| 30 | return false |
| 31 | } |
| 32 | if err := linkFileNoReplace(oldPath, newPath); err != nil { |
| 33 | if errors.Is(err, os.ErrExist) { |
| 34 | return false |
| 35 | } |
| 36 | if err := transformAndCopyJsonl(oldPath, newPath); err != nil { |
| 37 | return false |
| 38 | } |
| 39 | } |
| 40 | if err := os.Remove(oldPath); err != nil { |
| 41 | return false |
| 42 | } |
| 43 | return true |
| 44 | } |
| 45 | |
| 46 | // A native flat import must be re-homed from its WAL-backed view, not its |
| 47 | // possibly older compatibility checkpoint. |
| 48 | func moveNativeFlatImport(oldPath, newPath string) (moved, decided bool) { |
| 49 | unlockOld := lockSessionSavePath(oldPath) |
| 50 | defer unlockOld() |
| 51 | probe, err := probeSessionEventLog(oldPath) |
| 52 | if err != nil || !probe.native || probe.size == 0 { |
| 53 | return false, false |
| 54 | } |
| 55 | oldFileUnlock, err := lockSessionFile(oldPath) |
| 56 | if err != nil { |
| 57 | return false, true |
| 58 | } |
| 59 | defer oldFileUnlock() |
| 60 | |
| 61 | unlockNew := lockSessionSavePath(newPath) |
| 62 | defer unlockNew() |
| 63 | if err := os.MkdirAll(filepath.Dir(newPath), 0o755); err != nil { |
| 64 | return false, true |
| 65 | } |
| 66 | newFileUnlock, err := lockSessionFile(newPath) |
| 67 | if err != nil { |
| 68 | return false, true |
| 69 | } |
| 70 | defer newFileUnlock() |
| 71 | if sessionArtifactExists(newPath) { |
| 72 | return false, true |
| 73 | } |
| 74 | |
| 75 | session, err := loadSessionUnlocked(oldPath) |
| 76 | if err != nil { |
| 77 | return false, true |
| 78 | } |
| 79 | if err := session.saveLocked(newPath, sessionSaveSnapshot); err != nil { |
| 80 | return false, true |
| 81 | } |
| 82 | if meta, ok, metaErr := LoadBranchMeta(oldPath); metaErr != nil { |
| 83 | return false, true |
| 84 | } else if ok { |
| 85 | meta.ID = BranchID(newPath) |
| 86 | if err := SaveBranchMeta(newPath, meta); err != nil { |
| 87 | return false, true |
| 88 | } |
| 89 | } |
| 90 | if err := migratePinnedContextSidecar(oldPath, newPath, BranchID(newPath)); err != nil { |
| 91 | return false, true |
| 92 | } |
| 93 | for _, artifact := range store.SessionSidecarFiles(oldPath) { |
| 94 | if err := os.Remove(artifact); err != nil && !os.IsNotExist(err) { |
| 95 | return false, true |
| 96 | } |
| 97 | } |
| 98 | if err := os.Remove(oldPath); err != nil && !os.IsNotExist(err) { |
| 99 | return false, true |
| 100 | } |
| 101 | return true, true |
| 102 | } |
| 103 |