add os config

Signed-off-by: Robert Günzler <r@gnzler.io>

1 files changed, 10 insertions, 0 deletions

diff --git a/os/etc/kernel/postrm.d/cleanup.sh b/os/etc/kernel/postrm.d/cleanup.sh
new file mode 100755
index 0000000..9faec57
--- /dev/null
+++ b/os/etc/kernel/postrm.d/cleanup.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -eu
+
+VERSION=$1
+
+find /boot -maxdepth 1 -type f -not -name "*${VERSION}*" \( -name 'System.map*' -or -name 'vmlinuz*' -or -name 'initramfs*' \) -print \
+	| xargs rm -v
+
+echo
+echo "done."