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-rw-r--r--openhab4.install4
1 files changed, 4 insertions, 0 deletions
diff --git a/openhab4.install b/openhab4.install
new file mode 100644
index 000000000000..80d990d63126
--- /dev/null
+++ b/openhab4.install
@@ -0,0 +1,4 @@
+pre_upgrade() {
+ rm -fr /var/lib/openhab4/cache
+ rm -fr /var/lib/openhab4/tmp
+}