Add cron job to check for new Octez versions

.github/workflows/dockerhub.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Publish on Docker Hub
 
 on:
   push:

.github/workflows/ghcr.yml

@@ -1,9 +1,9 @@
-name: Build
+name: Publish on GHCR
 
 on:
   push:
     tags:
-      - '*'
+      - 'v*'
 
 jobs:
   build:

.github/workflows/octez_version.yml

@@ -0,0 +1,19 @@
+name: Check Octez version
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  # REMOVE
+  push:
+    branches:
+      - aux/octez-version-checker
+
+jobs:
+  octez_version:
+    name: Check the latest Octez release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install python-requests
+        run: sudo apt-get install python3-requests
+      - name: make octez_version
+        run: make octez_version

.github/workflows/tag.yml

@@ -0,0 +1,15 @@
+name: Tag the current Octez release
+
+
+on:
+  push:
+    branches:
+      - 'master'
+
+jobs:
+  build:
+    name: Force push tag of the current Octez release
+    runs-on: ubuntu-latest
+    steps:
+      - name: make release
+        run: make release

Makefile

@@ -1,4 +1,4 @@
-TAG=v19.0-1
+TAG=`cat octez_version`
 
 
 build:
@@ -9,3 +9,6 @@ run:
 
 release:
 	git tag $(TAG) -f && git push origin $(TAG) --force
+
+octez_version:
+	python3 octez_version.py

octez_version.py

@@ -0,0 +1,40 @@
+from pathlib import Path
+import requests
+from os import environ as env
+import subprocess
+
+def run(*args, **kwargs):
+    print(f"$ {' '.join(args)}")
+    subprocess.run(args, check=True, **kwargs)
+
+
+OCTEZ_REPO_URL = 'https://github.com/serokell/tezos-packaging/releases/latest'
+
+
+def main():
+
+    version_file = Path('octez_version')
+    current_version = version_file.read_text().strip() if version_file.exists() else ''
+    print(f'Current version: {current_version}')
+    latest_version = requests.get(OCTEZ_REPO_URL).url.split("/")[-1]
+    print(f'Latest version:  {latest_version}')
+
+    if current_version == latest_version:
+        return
+
+    if not env.get("GITHUB_ACTIONS"):
+        print("This script is intended to be run in a GitHub Action.")
+        exit(1)
+
+    print('Octez version has changed. Updating...')
+    Path('octez_version').write_text(latest_version)
+
+    run('make', 'build')
+    run('git', 'checkout', '-b', f'octez-{latest_version}')
+    run('git', 'add', 'octez_version')
+    run('git', 'commit', '-m', f'Update Octez binaries to {latest_version}')
+
+
+
+if __name__ == "__main__":
+    main()