Daan De Meyer
dcce04e649
When running in a console mode (interactive, native, or read-only), propagate the host's $TERM into the VM by adding TERM= and systemd.tty.term.hvc0= to the kernel command line. TERM= is picked up by PID 1 and inherited by services on /dev/console (such as emergency.service). systemd.tty.term.hvc0= is used by services directly attached to /dev/hvc0 (such as serial-getty@hvc0.service) which look up $TERM via the systemd.tty.term.<tty> kernel command line parameter. While systemd can auto-detect the terminal type via DCS XTGETTCAP, not all terminal emulators implement this, so explicitly propagating $TERM provides a more reliable experience. We skip propagation when $TERM is unset or set to "unknown" (as is the case in GitHub Actions and some other CI environments). Previously this was handled by mkosi synthesizing the corresponding kernel command line parameters externally. Co-developed-by: Claude Opus 4.6 <noreply@anthropic.com>
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