[Fix] デプロイの問題の修正

Author: AsagaKosho

Diff for: .github/workflows/push.yml

@@ -82,9 +82,9 @@ jobs:
         SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
     - name: deploy with lftp
       if: github.ref == 'refs/heads/master'
-      run: lftp -e "set net:max-retries 1; set sftp:connect-program \"ssh -a -x -p $SSH_PORT -i .ssh/id_rsa -o StrictHostKeyChecking=no\"; connect sftp://$SSH_USER:@$SSH_HOST; mirror -eR -x .git -x .ssh ./public $SSH_DIR; quit"
+      run: lftp -e "set net:max-retries 1; set sftp:connect-program \"ssh -a -x -p $SSH_PORT -i .ssh/id_rsa -o StrictHostKeyChecking=no\"; connect sftp://$SSH_USER:@$SSH_HOST; mirror --delete --only-newer -eR -x .git -x .ssh ./public $SSH_DIR; quit"
       env:
-        SSH_PORT: 8022
+        SSH_PORT: 22
         SSH_USER: shinkan-web
         SSH_HOST: www.stb.tsukuba.ac.jp
         SSH_DIR:  ~/public_html/

Diff for: gatsby-config.js

@@ -6,6 +6,7 @@ module.exports = {
     description: `筑波大学内の学生団体情報ポータルサイトです。`,
     author: `@tsukuba_shinkan`,
   },
+  pathPrefix: process.env.PATH_PREFIX || `/`,
   plugins: [
     `gatsby-plugin-sass`,
     `gatsby-plugin-react-helmet`,