mirror of
https://github.com/DeeJanuz/frametop.git
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36 lines
2.0 KiB
Bash
Executable File
36 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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# Runs on the Frame host just before the desktop stops (desktops.sh stop). Moves the
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# programs started inside the desktop out of its systemd unit (frametop-desktop) into a
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# scope of their own, so stopping the unit (which kills everything left in it) only ends
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# the desktop itself. Windows still close: a GUI app exits when its compositor goes.
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# Background work started from the desktop keeps running: servers, agents, tmux, builds.
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unit=frametop-desktop.service
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cg=$(systemctl --user show -p ControlGroup --value "$unit" 2>/dev/null)
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[ -n "$cg" ] && [ -r "/sys/fs/cgroup$cg/cgroup.procs" ] || exit 0
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# The desktop's own processes stay in the unit and stop with it: the session, KWin,
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# Plasma, and the session services it started (portals, input methods, kded, wallet...).
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own='^(frametop-sessi|dbus-|startplasma|plasma|kwin|Xwayland|ksmserver|krdpserver|Xvnc|xfreerdp|ft-layout|ft-atspi|'
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own+='kded|kactivitymanage|kaccess|kglobalaccel|kscreen|kwalletd|ksecretd|polkit-kde|org_kde_|baloo|'
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own+='xembedsniproxy|gmenudbusmenu|DiscoverNotifie|kimpanel|ibus|xdg-|at-spi|dconf-service|fusermount|agent)'
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keep=()
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while read -r pid; do
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comm=$(cat "/proc/$pid/comm" 2>/dev/null) || continue
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[[ $comm =~ $own ]] && continue
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# ft-screens' launcher (distrobox enter, podman exec) stays too.
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tr '\0' ' ' < "/proc/$pid/cmdline" 2>/dev/null | grep -q -e 'ft-screens' -e 'ft-layout' -e 'frametop-session' && continue
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keep+=("$pid")
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done < "/sys/fs/cgroup$cg/cgroup.procs"
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[ ${#keep[@]} -gt 0 ] || exit 0
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scope=frametop-apps-$(date +%s).scope
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if busctl --user call org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager \
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StartTransientUnit 'ssa(sv)a(sa(sv))' "$scope" fail 3 \
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PIDs au "${#keep[@]}" "${keep[@]}" \
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Description s "Programs started in the Frametop desktop, kept past its restart" \
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CollectMode s inactive-or-failed 0 >/dev/null; then
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echo "kept ${#keep[@]} process(es) in $scope"
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else
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echo "couldn't move the desktop's programs out of $unit; they stop with it" >&2
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fi
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