ci: add custom commits for updates

.drone.yml

@@ -8,7 +8,7 @@ steps:
   entrypoint: [ "/bin/bash" ]
   commands:
   - apt update
-  - apt install -y --no-install-recommends pipx python3-venv python3.9 python3-pip
+  - apt install -y --no-install-recommends pipx python3-venv python3.9 python3-pip git
   - cd updater
   - pipx install pipenv
   - pipx ensurepath
@@ -22,8 +22,6 @@ steps:
   settings:
     branch: main
     remote: git@git.nelim.org:matt1432/android_vendor_mulchwebview.git
-    commit: true
-    commit_message: "Update APK"
     ssh_key:
       from_secret: ssh
 

updater/git.py

@@ -0,0 +1,16 @@
+import subprocess
+
+
+user_name = 'Updater Robot'
+user_email = 'robot@nowhere.invalid'
+
+
+def add_commit(directory: str, message: str):
+    diff = subprocess.run(['git', 'diff', '--cached', '--exit-code'], capture_output=True, text=True)
+    if diff.returncode != 0:
+        status = subprocess.run(['git', 'status'], capture_output=True, text=True)
+        raise Exception('Unknown staged changes found: {}'.format(status.stdout))
+
+    subprocess.run(['git', 'add', '--all', directory], check=True)
+    subprocess.run(['git', '-c', 'user.name={}'.format(user_name), '-c', 'user.email={}'.format(user_email),
+                    'commit', '--message', message])

updater/main.py

@@ -2,6 +2,7 @@ import urllib.request
 from os import path
 
 import certificates
+import git
 from sources import ApkRelease, fdroid_recommended_release
 
 
@@ -27,6 +28,11 @@ def update_if_needed(module: str, release: ApkRelease):
             version_code_file.truncate()
             version_code_file.close()
 
+
+            print('commit...')
+            git.add_commit(module_dir, 'Update {} to {}'.format(module, release.version_name))
+
+
         elif version_code > release.version_code:
             print('{} ahead of suggested version ({} > {})'.format(module, version_code, release.version_code))
         elif version_code == release.version_code: