fix: 图像清理按整毫秒比对 mtime，Linux 上亚毫秒精度会让年龄变负

2026-08-05 19:47:59 +08:00
parent 30523b4a77
commit a09a4413ee
1 changed files with 3 additions and 1 deletions
@@ -125,7 +125,9 @@ function cleanup(referencedIds, options) {
  let removed = 0;
  for (const blob of listBlobs()) {
    if (keep.has(blob.imageId)) continue;
-    if (now - blob.mtimeMs < graceMs) continue;
+    // mtimeMs 在 ext4/APFS 上带亚毫秒小数，而 Date.now() 只到整毫秒，
+    // 刚落盘的文件算出来的年龄会是负数，graceMs 为 0 时也永远删不掉
+    if (now - Math.floor(blob.mtimeMs) < graceMs) continue;
    try {
      fs.unlinkSync(blob.file);
      removed++;