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-rw-r--r--pcr/babeld/babeld.install18
1 files changed, 18 insertions, 0 deletions
diff --git a/pcr/babeld/babeld.install b/pcr/babeld/babeld.install
new file mode 100644
index 000000000..686153617
--- /dev/null
+++ b/pcr/babeld/babeld.install
@@ -0,0 +1,18 @@
+compatibility_warning() {
+ echo "PLEASE NOTE:"
+ echo " "
+ echo "-------------------------------------------------------------"
+ echo " This version uses the IANA-allocated UDP port and multicast"
+ echo " group and is therefore incompatible with older versions."
+ echo "-------------------------------------------------------------"
+}
+
+post_upgrade() {
+ major=$(echo $2 | cut -d '.' -f1)
+ minor=$(echo $2 | cut -d '.' -f2)
+ if [ $major -lt 1 ]; then
+ compatibility_warning
+ elif [ $major -eq 1 -a $minor -lt 1 ]; then
+ compatibility_warning
+ fi
+}