Sam Leonard
9eb118eea7
Previously if a PTYForward instance had the window title set but no background color set then it would crash in an assertion as pty_forward_ansi_process didn't require both to be present. systemd-vmspawn could get into this state if it failed to get the terminal tint color. Now any method that would have called background_color_sequence now becomes just a NOP if the background color is not set. This allows keeping the functionality to set window titles even if the terminal doesn't support the background coloring.
System and Service Manager
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