#!/bin/sh
set -e
if [ "$1" = "upgrade" ] || [ "$1" = "install" ]; then
# Remove wrongly replaced custom.config file by versions > 3.37.90 && < 3.38.1
# This script can be safely removed post 20.10 release
prev_version="$2"
if dpkg --compare-versions "$prev_version" ge 3.37.90 &&
dpkg --compare-versions "$prev_version" lt-nl 3.38.1; then
conf_file=/etc/gdm3/daemon.conf
if [ "${prev_version#*ubuntu}" != "$prev_version" ]; then
conf_file=/etc/gdm3/custom.conf
fi
conf="${DPKG_ROOT}$conf_file"
if [ -f "$conf" ] &&
echo "ed0a2d19ba7344faa0feadd783bb4fa5 $conf" | md5sum -c --status; then
# If the file matches this checksum, then it's a file generated by
# /usr/libexec/gdm-disable-wayland that was wrongly replaced, so we
# replace the conf file to match the one that was default in these
# broken versions, so that dpkg would replace it in case.
echo "Configuration file $conf_file has likely been damaged by" \
"https://pad.lv/1899673, replacing with the gdm default..."
cat <<'EOF' > "$conf"
# GDM configuration storage
#
# See /usr/share/gdm/gdm.schemas for a list of available options.
[daemon]
# Uncomment the line below to force the login screen to use Xorg
#WaylandEnable=false
# Enabling automatic login
# AutomaticLoginEnable = true
# AutomaticLogin = user1
# Enabling timed login
# TimedLoginEnable = true
# TimedLogin = user1
# TimedLoginDelay = 10
[security]
[xdmcp]
[chooser]
[debug]
# Uncomment the line below to turn on debugging
# More verbose logs
# Additionally lets the X server dump core if it crashes
#Enable=true
EOF
# Verify that the file we've just added matches the default one
# We don't fail as it's not a fatal error, but will cause manual
# intervention at later points
default_md5sum="$(dpkg-query -W -f='${Conffiles}' gdm3 | \
sed -n -e "\\'^ $conf_file ' { s/ obsolete$//; s/.* //; p }")"
echo "$default_md5sum $conf" | md5sum -c --status ||
echo "Replaced configuration file isn't matching expected default"
fi
fi
fi
# Automatically added by dh_installdeb/13.14.1ubuntu5
dpkg-maintscript-helper rm_conffile /etc/dbus-1/system.d/gdm.conf 43.0-3\~ -- "$@"
# End automatically added section
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