fix some bugs with metafile cache

- must return integral timestamps for consistency
- properly handle symlink mode

websocketfs/lib/metadata-file.ts

@@ -110,10 +110,13 @@ export class MetadataFile {
       return { errno: -2 };
     }
     const data = v[1].split(" ");
-    const mtime = new Date(parseFloat(data[0]) * 1000);
+    // note that we intentionally use parseInt and throw away info
+    // that might be in the file.  This is for consistency with
+    // the non-cached version of things.
+    const mtime = new Date(parseInt(data[0]) * 1000);
     const attr = {
       mtime,
-      atime: new Date(parseFloat(data[1]) * 1000),
+      atime: new Date(parseInt(data[1]) * 1000),
       ctime: mtime,
       blocks: parseInt(data[2]),
       size: parseInt(data[3]),

websocketfs/lib/mount.ts

@@ -32,9 +32,10 @@ interface Options {
   //    [filename-relative-to-mount-point-no-leading-/.]\0[mtime in seconds] [atime in seconds] [number of 512-byte blocks] [size] [symbolic mode string]\0\0
   // This file is *not* assumed to be sorted (it's a 1-line file, so hard to sort in unix anyways).
   // Here all of mtime, atime, blocks, size are decimal numbers, which may have a fractional part,
-  // and mode is a string like in ls.  E.g., this find command does it (ignoring hidden files)::
+  // and mode is a string like in ls.  E.g., this find command does it (ignoring hidden files).
+  // Y2K alert -- note the %.10T truncates times to integers, and will I guess fail a few hundred years from now.
   //
-  //       mkdir -p /tmp/meta; find * -printf "%p\0%T@ %A@ %b %s %M\0\0" | lz4 > .meta.lz4 && mv .meta.lz4  /tmp/meta/meta.lz4
+  //       mkdir -p /tmp/meta; find * -printf "%p\0%.10T@ %.10A@ %b %s %M\0\0" | lz4 > .meta.lz4 && mv .meta.lz4  /tmp/meta/meta.lz4
   //
   // PATCHES: (This does not exist yet!) If metadataFile ends in .lz4 it is assumed to be lz4 compressed and gets automatically decompressed.
   // If there are files metadataFile.patch.[n] (with n an integer), then they are diff-match-patch patches

websocketfs/lib/util.ts

@@ -41,6 +41,8 @@ export function symbolicToMode(symbolic): number {
   let mode;
   if (symbolic.charAt(0) === "d") {
     mode = "40";
+  } else if (symbolic.charAt(0) === "l") {
+    mode = "120";
   } else {
     mode = "100";
   }

websocketfs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "websocketfs",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "description": "Like sshfs, but over a WebSocket",
   "main": "./dist/lib/index.js",
   "scripts": {