fix(elementsynapse): prevent systemd invoke failure during apt install in LXC

.github/workflows/update-versions-github.yml

@@ -89,15 +89,9 @@ jobs:
             slug=$(jq -r '.slug // empty' "$json_file" 2>/dev/null)
             [[ -z "$slug" ]] && continue
 
-            # Find corresponding script (install script or addon script)
-            install_script=""
-            if [[ -f "install/${slug}-install.sh" ]]; then
-              install_script="install/${slug}-install.sh"
-            elif [[ -f "tools/addon/${slug}.sh" ]]; then
-              install_script="tools/addon/${slug}.sh"
-            else
-              continue
-            fi
+            # Find corresponding install script
+            install_script="install/${slug}-install.sh"
+            [[ ! -f "$install_script" ]] && continue
 
             # Look for fetch_and_deploy_gh_release calls
             # Pattern: fetch_and_deploy_gh_release "app" "owner/repo" ["mode"] ["version"]

install/elementsynapse-install.sh

@@ -31,8 +31,10 @@ setup_deb822_repo "matrix-org" \
   "main"
 echo "matrix-synapse-py3 matrix-synapse/server-name string $servername" | debconf-set-selections
 echo "matrix-synapse-py3 matrix-synapse/report-stats boolean false" | debconf-set-selections
+echo "exit 101" >/usr/sbin/policy-rc.d
+chmod +x /usr/sbin/policy-rc.d
 $STD apt install matrix-synapse-py3 -y
-systemctl stop matrix-synapse
+rm -f /usr/sbin/policy-rc.d
 sed -i 's/127.0.0.1/0.0.0.0/g' /etc/matrix-synapse/homeserver.yaml
 sed -i 's/'\''::1'\'', //g' /etc/matrix-synapse/homeserver.yaml
 SECRET=$(openssl rand -hex 32)