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-rw-r--r--debian/cryptsetup-initramfs.preinst21
1 files changed, 21 insertions, 0 deletions
diff --git a/debian/cryptsetup-initramfs.preinst b/debian/cryptsetup-initramfs.preinst
new file mode 100644
index 0000000..558877d
--- /dev/null
+++ b/debian/cryptsetup-initramfs.preinst
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+set -e
+
+# TODO once Bullseye is released: remove the maintscript
+CONFFILE=/etc/cryptsetup-initramfs/conf-hook
+CONF_HOOK_CONTENTS=@@CONF_HOOK_CONTENTS@@
+
+if [ "$1" = "install" -o "$1" = "upgrade" ] &&
+ [ -f "$CONFFILE" ] &&
+ dpkg --compare-versions -- "${2-}" le '2:2.0.3-1~'; then
+ md5sum="$(md5sum "$CONFFILE" | sed -e 's/ .*//')"
+ old_md5sum="$(dpkg-query -W -f='${Conffiles}' cryptsetup | \
+ sed -n -e "\'^ $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
+ if [ "$md5sum" = "$old_md5sum" ]; then
+ printf '%s\n' "$CONF_HOOK_CONTENTS" >"$CONFFILE.dpkg-new"
+ mv -f "$CONFFILE.dpkg-new" "$CONFFILE"
+ fi
+fi
+
+#DEBHELPER#