Lennart Poettering
4d6eb6441a
There are two cases when we invoke a service on a TTY: 1. We ourselves are connected to a TTY and would intend to enable PTY forwarding. 2. We are allocating a TTY but are not ourselves connected to a TTY and just want to input/output to pipe or other non-TTY fd. Let's propagate $TERM only as-is in the first case. In the 2nd case, let's explicitly set $TERM to "dumb", so that invoked progams do not issue needless ansi sequences, since we are not propagating them to a terminal either. This should be a much safer result, for cases where people include invocations of systemd-nspawn with full TTY allocation in a shell pipeline or so. (of course, the user can always explicitly override this)
System and Service Manager
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