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#!/bin/sh
# See deb-prerm(5).
set -e
: "${DPKG_ADMINDIR:=/var/lib/dpkg}"
# Rename state directories to match renamed method names.
rename_method_state_dir() {
methodoldname="$1"
methodoldopt="$2"
methodnewname="$3"
methodnewopt="$4"
methodsdir="$DPKG_ADMINDIR/methods"
if [ -d "$methodsdir/$methodoldname" ]; then
if [ -e "$methodsdir/$methodnewname" ]; then
rm -rf "$methodsdir/$methodoldname"
else
if [ -e "$methodsdir/$methodoldname/shvar.$methodoldopt" ]; then
cp -a "$methodsdir/$methodoldname/shvar.$methodoldopt" \
"$methodsdir/$methodoldname/shvar.$methodnewopt"
fi
mv "$methodsdir/$methodoldname" "$methodsdir/$methodnewname"
rm -f "$methodsdir/$methodnewname/shvar.$methodoldopt"
fi
# Update the currently selected method and option if needed.
sed -i -e "s/^$methodoldname $methodoldopt/$methodnewname $methodnewopt/" \
"$DPKG_ADMINDIR/cmethopt"
fi
}
case "$1" in
upgrade)
if dpkg --compare-versions "$2" lt 1.21.3; then
# Downgrade
rename_method_state_dir file file disk mounted
rename_method_state_dir media media multicd multi_cd
fi
;;
deconfigure|remove|failed-upgrade)
;;
*)
echo "$0 called with unknown argument '$1'" 1>&2
exit 1
;;
esac
#DEBHELPER#
exit 0
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