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#!/bin/bash
DBUS_LOG="${AUTOPKGTEST_ARTIFACTS}/dbus-log"
JOURNAL_LOG="${AUTOPKGTEST_ARTIFACTS}/journal"
GDM_CFG_FILE=/etc/gdm3/daemon.conf
if dpkg-vendor --is Ubuntu; then
GDM_CFG_FILE=/etc/gdm3/custom.conf
fi
trap log EXIT
# shellcheck disable=SC2317
log() {
journalctl -b > "$JOURNAL_LOG"
}
count_calls() {
method="$1"
awk "\$1 == \"mc\" && \$8 == \"$method\"" < "$DBUS_LOG" | wc -l
}
check() {
if [ "$(count_calls RegisterDisplay)" -ne 1 ]; then
return 1
fi
if [ "$(count_calls RegisterSession)" -ne 1 ]; then
return 1
fi
if [ "$(count_calls OpenSession)" -ne 1 ]; then
return 1
fi
return 0
}
python3 -c "from gi.repository import GLib; \
cfg = GLib.KeyFile(); \
cfg.load_from_file('$GDM_CFG_FILE', GLib.KeyFileFlags.KEEP_COMMENTS); \
cfg.set_string('debug', 'Enable', 'true'); \
cfg.save_to_file('$GDM_CFG_FILE')"
dbus-monitor --system --profile interface=org.gnome.DisplayManager.Manager | tee "$DBUS_LOG" &
systemctl start gdm3
TIMEOUT=120
SECONDS=0
while [ $SECONDS -lt $TIMEOUT ]; do
sleep 1
if check; then
exit 0
fi
done
echo "Timed out waiting for greeter to display"
exit 1
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