fix stat on Android, add operations to nan ctime mtime and undefined size

src/encrypt.ts

@@ -166,18 +166,20 @@ export const decryptBase64urlToString = async (
 };
 
 export const getSizeFromOrigToEnc = (x: number) => {
-  if (x < 0 || !Number.isInteger(x)) {
-    throw Error(`x=${x} is not a valid size`);
+  if (x < 0 || Number.isNaN(x) || !Number.isInteger(x)) {
+    throw Error(`getSizeFromOrigToEnc: x=${x} is not a valid size`);
   }
   return (Math.floor(x / 16) + 1) * 16 + 16;
 };
 
 export const getSizeFromEncToOrig = (x: number) => {
-  if (x < 32 || !Number.isInteger(x)) {
-    throw Error(`${x} is not a valid size`);
+  if (x < 32 || Number.isNaN(x) || !Number.isInteger(x)) {
+    throw Error(`getSizeFromEncToOrig: ${x} is not a valid size`);
   }
   if (x % 16 !== 0) {
-    throw Error(`${x} is not a valid encrypted file size`);
+    throw Error(
+      `getSizeFromEncToOrig: ${x} is not a valid encrypted file size`
+    );
   }
   return {
     minSize: ((x - 16) / 16 - 1) * 16,

src/localdb.ts

@@ -5,7 +5,7 @@ import { requireApiVersion, TAbstractFile, TFile, TFolder } from "obsidian";
 
 import { API_VER_STAT_FOLDER, SUPPORTED_SERVICES_TYPE } from "./baseTypes";
 import type { SyncPlanType } from "./sync";
-import { toText, unixTimeToStr } from "./misc";
+import { statFix, toText, unixTimeToStr } from "./misc";
 
 import { log } from "./moreOnLog";
 
@@ -417,7 +417,7 @@ export const insertRenameRecordByVault = async (
     if (requireApiVersion(API_VER_STAT_FOLDER)) {
       // TAbstractFile does not contain these info
       // but from API_VER_STAT_FOLDER we can manually stat them by path.
-      const s = await fileOrFolder.vault.adapter.stat(fileOrFolder.path);
+      const s = await statFix(fileOrFolder.vault, fileOrFolder.path);
       ctime = s.ctime;
       mtime = s.mtime;
     }

src/misc.ts

@@ -339,12 +339,9 @@ export const checkHasSpecialCharForDir = (x: string) => {
 };
 
 export const unixTimeToStr = (x: number | undefined | null) => {
-  if (x === undefined) {
+  if (x === undefined || x === null || Number.isNaN(x)) {
     return undefined;
   }
-  if (x === null) {
-    return null;
-  }
   return window.moment(x).format() as string;
 };
 
@@ -408,3 +405,25 @@ export const toText = (x: any) => {
     return `${x}`;
   }
 };
+
+/**
+ * On Android the stat has bugs for folders. So we need a fixed version.
+ * @param vault
+ * @param path
+ */
+export const statFix = async (vault: Vault, path: string) => {
+  const s = await vault.adapter.stat(path);
+  if (s.ctime === undefined || s.ctime === null || Number.isNaN(s.ctime)) {
+    s.ctime = undefined;
+  }
+  if (s.mtime === undefined || s.mtime === null || Number.isNaN(s.mtime)) {
+    s.mtime = undefined;
+  }
+  if (
+    (s.size === undefined || s.size === null || Number.isNaN(s.size)) &&
+    s.type === "folder"
+  ) {
+    s.size = 0;
+  }
+  return s;
+};

src/obsFolderLister.ts

@@ -2,6 +2,7 @@ import { Vault, Stat, ListedFiles } from "obsidian";
 import { Queue } from "@fyears/tsqueue";
 import chunk from "lodash/chunk";
 import flatten from "lodash/flatten";
+import { statFix } from "./misc";
 
 export interface ObsConfigDirFileType {
   key: string;
@@ -12,7 +13,7 @@ export interface ObsConfigDirFileType {
 }
 
 const isFolderToSkip = (x: string) => {
-  let specialFolders = [".git", ".svn", "node_modules"];
+  let specialFolders = [".git", ".github", ".gitlab", ".svn", "node_modules"];
   for (const iterator of specialFolders) {
     if (
       x === iterator ||
@@ -75,7 +76,8 @@ export const listFilesInObsFolder = async (
     const itemsToFetchChunks = chunk(itemsToFetch, CHUNK_SIZE);
     for (const singleChunk of itemsToFetchChunks) {
       const r = singleChunk.map(async (x) => {
-        const statRes = await vault.adapter.stat(x);
+        const statRes = await statFix(vault, x);
+
         const isFolder = statRes.type === "folder";
         let children: ListedFiles = undefined;
         if (isFolder) {

src/sync.ts

@@ -37,6 +37,7 @@ import {
   getParentFolder,
   atWhichLevel,
   unixTimeToStr,
+  statFix,
 } from "./misc";
 import { RemoteClient } from "./remote";
 import {
@@ -336,7 +337,7 @@ const ensembleMixedStates = async (
       // ignore
       continue;
     } else if (entry instanceof TFile) {
-      const mtimeLocal = Math.max(entry.stat.mtime || 0, entry.stat.ctime || 0);
+      const mtimeLocal = Math.max(entry.stat.mtime ?? 0, entry.stat.ctime ?? 0);
       r = {
         key: entry.path,
         existLocal: true,
@@ -380,7 +381,10 @@ const ensembleMixedStates = async (
   if (syncConfigDir && localConfigDirContents !== undefined) {
     for (const entry of localConfigDirContents) {
       const key = entry.key;
-      const mtimeLocal = Math.max(entry.mtime, entry.ctime);
+      let mtimeLocal = Math.max(entry.mtime ?? 0, entry.ctime ?? 0);
+      if (Number.isNaN(mtimeLocal) || mtimeLocal === 0) {
+        mtimeLocal = undefined;
+      }
       const r: FileOrFolderMixedState = {
         key: key,
         existLocal: true,
@@ -468,10 +472,13 @@ const ensembleMixedStates = async (
         changeLocalMtimeUsingMapping: true,
       };
       if (results.hasOwnProperty(key)) {
-        const mtimeLocal = Math.max(
-          r.mtimeLocal || 0,
-          results[key].mtimeLocal || 0
+        let mtimeLocal = Math.max(
+          r.mtimeLocal ?? 0,
+          results[key].mtimeLocal ?? 0
         );
+        if (Number.isNaN(mtimeLocal) || mtimeLocal === 0) {
+          mtimeLocal = undefined;
+        }
         results[key].mtimeLocal = mtimeLocal;
         results[key].mtimeLocalFmt = unixTimeToStr(mtimeLocal);
         results[key].changeLocalMtimeUsingMapping =
@@ -838,9 +845,14 @@ const assignOperationToFolderInplace = async (
       // if it was created after deletion, we should keep it as is
       if (requireApiVersion(API_VER_STAT_FOLDER)) {
         if (r.existLocal) {
-          const { ctime, mtime } = await vault.adapter.stat(r.key);
-          const cmtime = Math.max(ctime, mtime);
-          if (cmtime > 0 && cmtime >= deltimeLocal && cmtime >= deltimeRemote) {
+          const { ctime, mtime } = await statFix(vault, r.key);
+          const cmtime = Math.max(ctime ?? 0, mtime ?? 0);
+          if (
+            !Number.isNaN(cmtime) &&
+            cmtime > 0 &&
+            cmtime >= deltimeLocal &&
+            cmtime >= deltimeRemote
+          ) {
             keptFolder.add(getParentFolder(r.key));
             if (r.existLocal && r.existRemote) {
               r.decision = "skipFolder";