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-rw-r--r--debian/cryptsetup.preinst13
1 files changed, 13 insertions, 0 deletions
diff --git a/debian/cryptsetup.preinst b/debian/cryptsetup.preinst
new file mode 100644
index 0000000..7f1e1bc
--- /dev/null
+++ b/debian/cryptsetup.preinst
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+if [ "$1" = install ] && [ ! -f "/etc/crypttab" ]; then
+ cat <<-EOC >/etc/crypttab
+ # <target name> <source device> <key file> <options>
+ EOC
+fi
+
+#DEBHELPER#
+
+exit 0