fix: re-create the page when the file appears again

related to #5549

src/main/frontend/fs/node.cljs

@@ -70,7 +70,7 @@
          (p/let [result (ipc/ipc "writeFile" repo path content)
                  mtime (gobj/get result "mtime")]
            (when-not contents-matched?
-             (ipc/ipc "backupDbFile" (config/get-local-dir repo) path db-content content))
+             (ipc/ipc "backupDbFile" (config/get-local-dir repo) path disk-content content))
            (db/set-file-last-modified-at! repo path mtime)
            (p/let [content (if (encrypt/encrypted-db? (state/get-current-repo))
                              (encrypt/decrypt content)

src/main/frontend/fs/watcher_handler.cljs

@@ -92,7 +92,7 @@
                (db/file-exists? repo path))
           (when-let [page-name (db/get-file-page path)]
             (println "Delete page: " page-name ", file path: " path ".")
-            (page-handler/delete! page-name #() :delete-file? false))
+            (page-handler/delete! page-name #() :unlink-file? true))
 
           (and (contains? #{"add" "change" "unlink"} type)
                (string/ends-with? path "logseq/custom.css"))

src/main/frontend/handler/page.cljs

@@ -160,19 +160,21 @@
      page-name)))
 
 (defn delete-file!
-  [repo page-name]
+  [repo page-name unlink-file?]
   (let [file (db/get-page-file page-name)
         file-path (:file/path file)]
     ;; delete file
     (when-not (string/blank? file-path)
       (db/transact! [[:db.fn/retractEntity [:file/path file-path]]])
-      (->
-       (p/let [_ (and (config/local-db? repo)
-                      (mobile-util/native-platform?)
-                      (fs/delete-file! repo file-path file-path {}))
-               _ (fs/unlink! repo (config/get-repo-path repo file-path) nil)])
-       (p/catch (fn [err]
-                  (js/console.error "error: " err)))))))
+      (when unlink-file?
+        (->
+         (p/let [_ (and (config/local-db? repo)
+                        (mobile-util/native-platform?)
+                        ;; TODO: @leizhe remove fs/delete-file! and use fs/unlink!
+                        (fs/delete-file! repo file-path file-path {}))
+                 _ (fs/unlink! repo (config/get-repo-path repo file-path) nil)])
+         (p/catch (fn [err]
+                    (js/console.error "error: " err))))))))
 
 (defn- compute-new-file-path
   [old-path new-name]
@@ -316,7 +318,7 @@
             page (db/entity [:block/name page-name])]
         (db/transact! tx-data)
 
-        (when delete-file? (delete-file! repo page-name))
+        (delete-file! repo page-name delete-file?)
 
         ;; if other page alias this pagename,
         ;; then just remove some attrs of this entity instead of retractEntity