/lib/recovery-mode/options/dpkg is in friendly-recovery 0.2.38.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | #!/bin/sh
. /lib/recovery-mode/l10n.sh
if [ "$1" = "test" ]; then
echo $(eval_gettext "Repair broken packages")
exit 0
fi
# do some cleanup
rm -f /var/lib/apt/lists/partial/*
rm -f /var/cache/apt/archives/partial/*
# check and use dist-upgraders partial mode if we have it,
# it contains a lot of useful repair code
script=/usr/lib/python3/dist-packages/DistUpgrade/dist-upgrade.py
if [ -e $script ]; then
env RELEASE_UPGRADER_NO_SCREEN=1 python3 "$script" --partial --frontend DistUpgradeViewText \
--datadir /usr/share/ubuntu-release-upgrader
else
dpkg --configure -a
apt-get update
apt-get install -f
apt-get dist-upgrade
fi
echo ""
echo $(eval_gettext "Finished, please press ENTER")
read TMP
exit 0
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