update with gitlog

lib/getPosts.tsx

@@ -15,7 +15,7 @@ export const getPosts = cache(async (): Promise<Post[]> => {
   const updatePosts = async () => {
     return new Promise((resolve, reject) => {
       exec(
-        `(cd  ${process.env.POSTS_DIR}; git pull --rebase)`,
+        `(cd  ${process.env.POSTS_DIR}; git pull --rebase || true)`,
         (error, stdout, stderr) => {
           if (error) {
             console.warn(error);