1 files changed, 67 insertions, 0 deletions
diff --git a/debian/progress-linux-container.preinst b/debian/progress-linux-container.preinst
new file mode 100755
index 0000000..9bf7aac
--- /dev/null
+++ b/debian/progress-linux-container.preinst
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+set -e
+
+case "${1}" in
+	install|upgrade)
+		mkdir -p /usr/lib/container/divert
+
+		for FILE in halt poweroff reboot shutdown coldreboot
+		do
+			TRUENAME_USR="$(dpkg-divert --truename "/usr/sbin/${FILE}")"
+			TRUENAME_ALIAS="$(dpkg-divert --truename "/sbin/${FILE}")"
+			RENAME_FLAG="--no-rename"
+
+			if [ "${TRUENAME_USR}" = "/usr/sbin/${FILE}" ]
+			then
+				if [ "${TRUENAME_ALIAS}" = "/sbin/${FILE}" ]
+				then
+					RENAME_FLAG="--rename"
+				fi
+
+				dpkg-divert --package progress-linux-container --quiet --add "${RENAME_FLAG}" --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
+			fi
+
+			# DEP17 M18 duplicated diversion, can be removed after trixie.
+			if [ "${TRUENAME_ALIAS}" = "/sbin/${FILE}" ]
+			then
+				dpkg-divert --package progress-linux-container --quiet --add "${RENAME_FLAG}" --divert "/lib/container/divert/${FILE}.orig.usr-is-merged" "/sbin/${FILE}"
+			elif [ "${TRUENAME_ALIAS}" != "/lib/container/divert/${FILE}.orig.usr-is-merged" ]
+			then
+				dpkg-divert --package progress-linux-container --quiet --remove --no-rename "/sbin/${FILE}"
+				dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/lib/container/divert/${FILE}.orig.usr-is-merged" "/sbin/${FILE}"
+
+				if [ -e "${TRUENAME_ALIAS}" ] || [ -h "${TRUENAME_ALIAS}" ]
+				then
+					mv "${TRUENAME_ALIAS}" "/lib/container/divert/${FILE}.orig.usr-is-merged"
+				fi
+			fi
+		done
+
+		for FILE in pm-hibernate pm-suspend pm-suspend-hybrid
+		do
+			TRUENAME_USR="$(dpkg-divert --truename "/usr/sbin/${FILE}")"
+
+			if [ "${TRUENAME_USR}" = "/lib/container/divert/${FILE}.orig" ]
+			then
+				dpkg-divert --package progress-linux-container --quiet --remove --no-rename "/usr/sbin/${FILE}"
+				dpkg-divert --package progress-linux-container --quiet --add --no-rename --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
+			else
+				dpkg-divert --package progress-linux-container --quiet --add --rename --divert "/usr/lib/container/divert/${FILE}.orig" "/usr/sbin/${FILE}"
+			fi
+		done
+		;;
+
+	abort-upgrade)
+
+		;;
+
+	*)
+		echo "preinst called with unknown argument \`${1}'" >&2
+		exit 1
+		;;
+esac
+
+#DEBHELPER#
+
+exit 0