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#!/bin/bash
# qdbus syntax : qdbus org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager.IsInhibited 4
# dbusctl syntax: busctl --user call org.gnome.SessionManager /org/gnome/SessionManager org.gnome.SessionManager IsInhibited u 4
set -eu
fail() { echo >&2 "$@"; exit 1; }
checkcmd() { command -v "$1" >/dev/null 2>&1; }
assertcmd() { checkcmd "$1" || fail "'$1' is not installed"; }
checkdbusname() { qdbus "$1" >/dev/null 2>&1; }
assertcmd qdbus
if checkdbusname org.gnome.SessionManager; then
qdbus \
org.gnome.SessionManager \
/org/gnome/SessionManager \
org.gnome.SessionManager.IsInhibited 4
elif checkdbusname org.freedesktop.PowerManagement; then
qdbus \
org.freedesktop.PowerManagement \
/org/freedesktop/PowerManagement/Inhibit \
org.freedesktop.PowerManagement.Inhibit.HasInhibit
else
fail "No D-Bus service found"
fi
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