[Unit] Description=Sign approved MPV Manager stable metadata for %i [Service] Type=oneshot User=mpv-manifest-signer Group=mpv-manifest-signer WorkingDirectory=/var/lib/mpv-release-signer/v%i Environment=RELEASE_CHANNEL=stable EnvironmentFile=/var/lib/mpv-release-signer/v%i/job.env LoadCredential=manifest-key:/var/lib/mpv-release-keys/stable-2026-09.seed ExecStart=/usr/local/libexec/mpv-sign-reviewed-release %i UMask=0077 NoNewPrivileges=yes PrivateNetwork=yes RestrictAddressFamilies=AF_UNIX ProtectSystem=strict ProtectHome=yes PrivateTmp=yes ProtectKernelTunables=yes ProtectKernelModules=yes ProtectControlGroups=yes CapabilityBoundingSet= ReadWritePaths=/var/lib/mpv-release-signer/v%i/output TimeoutStartSec=180