Resurrect automatic deployment using SSH

Author: k0kubun

.github/workflows/deploy.yml

@@ -0,0 +1,21 @@
+name: deploy
+on:
+  push:
+    branches:
+      - master
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v5
+    - name: Set up SSH
+      env:
+        RUBY_GIT_SYNC_PRIVATE_KEY: ${{ secrets.RUBY_GIT_SYNC_PRIVATE_KEY }}
+      run: |
+        mkdir -p ~/.ssh
+        echo "$RUBY_GIT_SYNC_PRIVATE_KEY" > ~/.ssh/id_ed25519
+        chmod 600 ~/.ssh/id_ed25519
+        ssh-keyscan -t ed25519 git.ruby-lang.org >> ~/.ssh/known_hosts
+
+    - name: Sync /home/git/git.ruby-lang.org
+      run: ssh -i ~/.ssh/id_ed25519 [email protected] 'sudo -u git /home/git/git.ruby-lang.org/bin/update-git-ruby-lang-org.sh'