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Automatically infer DBUS_SESSION_BUS_ADDRESS from UID

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This commit is contained in:
cyber-sushi 2024-05-23 05:55:09 +02:00
parent c79d031fe7
commit a277a73caa
1 changed files with 18 additions and 4 deletions
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20
src/udev_monitor.rs
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@ -120,12 +120,26 @@ fn set_environment() -> Environment {
}
}
}
true
},
Err(_) => {
let uid = Command::new("sh").arg("-c").arg("id -u").output().unwrap();
let uid_number = std::str::from_utf8(uid.stdout.as_slice()).unwrap().trim();
if uid_number != "0" {
let bus_address = format!("unix:path=/run/user/{}/bus", uid_number);
env::set_var("DBUS_SESSION_BUS_ADDRESS", bus_address);
let command = Command::new("sh").arg("-c").arg("systemctl --user show-environment").output().unwrap();
let vars = std::str::from_utf8(command.stdout.as_slice()).unwrap().split("\n").collect::<Vec<&str>>();
for var in vars {
if let Some((variable, value)) = var.split_once("=") {
if let Err(env::VarError::NotPresent) = env::var(variable) {
env::set_var(variable, value);
}
}
}
} else {
println!("Warning: unable to inherit user environment.\n\
Launch Makima with 'sudo -E makima' or add the DBUS_SESSION_BUS_ADDRESS env var to your systemd unit if you're running it through systemd.\n");
false
Launch Makima with 'sudo -E makima' or make sure that your systemd unit is running with the 'User=<username>' parameter.\n");
}
},
};
if let (Err(env::VarError::NotPresent), Ok(_)) = (env::var("XDG_SESSION_TYPE"), env::var("WAYLAND_DISPLAY")) {