1 files changed, 42 insertions, 0 deletions
diff --git a/debian/preinst b/debian/preinst
new file mode 100644
index 0000000..0e9ba2d
--- /dev/null
+++ b/debian/preinst
@@ -0,0 +1,42 @@
+#!/bin/sh
+# postinst script for naskpass
+#
+# see: dh_installdeb(1)
+
+set -e
+
+
+export RDSUM="5924c70e5c9fabf0398050349c3f4f283ab80091b23ea8c677249ee7bdd41f6e4910ce5e1bc32577e67763dc30d9b96cc3528256e1cc63dba959a5e3866ec21f"
+export ORGFILE="/usr/share/initramfs-tools/scripts/local-top/cryptroot"
+export DIVFILE="/usr/share/naskpass/cryptroot.orig"
+
+case "$1" in
+    install)
+        mkdir -p /usr/share/naskpass
+        if [ ! -f ${ORGFILE} ]; then
+          whiptail --title "Missing file" --msgbox "/usr/share/initramfs-tools/scripts/local-top/cryptroot is missing!\nabort .." 9 70
+        else
+          if [ ${RDSUM} = "$(/usr/bin/sha512sum ${ORGFILE} | grep -Eo '^[0-9a-zA-Z]*')" ]; then
+            dpkg-divert --package naskpass --divert ${DIVFILE} --rename --add ${ORGFILE}
+            update-initramfs -u
+          else
+            whiptail --title "Wrong SHA checksum" --msgbox "in /usr/share/initramfs-tools/scripts/local-top/cryptroot\n\nabort .." 9 70
+          fi
+        fi
+    ;;
+
+    upgrade)
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0