The BUS_DEFINE_PROPERTY_GET_GLOBAL macro requires a value as third argument, so we need to call manager_is_on_external_power(). Otherwise the function pointer is interpreted as a boolean and always returns true: ``` $ busctl get-property org.freedesktop.login1 /org/freedesktop/login1 org.freedesktop.login1.Manager OnExternalPower b true $ /lib/systemd/systemd-ac-power --verbose no ``` Thanks: Helmut Grohne <helmut@subdivi.de> Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1021644
System and Service Manager
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