From dbea7d1511d8e1b2604960d37146ec931d9dfe15 Mon Sep 17 00:00:00 2001
From: Patrick Schleizer <adrelanos@riseup.net>
Date: Wed, 14 Aug 2019 07:22:14 +0000
Subject: [PATCH] add hook etc/kernel/postinst.d/30_remove-system-map to remove
 system.map

on kernel package upgrade;

self-document this package: during upgrade the following will be written
to stdout:

Setting up linux-image-4.19.0-5-amd64 (4.19.37-5+deb10u2) ...
/etc/kernel/postinst.d/30_remove-system-map:
removed '/boot/System.map-4.19.0-5-amd64
---
 etc/kernel/postinst.d/30_remove-system-map | 5 +++++
 usr/lib/security-misc/remove-system.map    | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100755 etc/kernel/postinst.d/30_remove-system-map

diff --git a/etc/kernel/postinst.d/30_remove-system-map b/etc/kernel/postinst.d/30_remove-system-map
new file mode 100755
index 0000000..fc4a604
--- /dev/null
+++ b/etc/kernel/postinst.d/30_remove-system-map
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+if test -x /usr/lib/security-misc/remove-system.map ; then
+   /usr/lib/security-misc/remove-system.map
+fi
diff --git a/usr/lib/security-misc/remove-system.map b/usr/lib/security-misc/remove-system.map
index 10071f8..621879b 100755
--- a/usr/lib/security-misc/remove-system.map
+++ b/usr/lib/security-misc/remove-system.map
@@ -9,6 +9,6 @@ shopt -s nullglob
 for filename in /boot/System.map-*
 do
   if [ -f "${filename}" ]; then
-    rm -f "${filename}"
+    rm --verbose --force "${filename}"
   fi
 done