From: Ralph Ronnquist <rrq@rrq.au>
Date: Mon, 4 Sep 2023 02:14:38 +0000 (+1000)
Subject: Avoid unmounting points below $LIVE using full pathname.
X-Git-Tag: 0.1.14~2
X-Git-Url: https://git.rrq.au/?a=commitdiff_plain;h=f8cfc3c838e3fb738af6f53303a3486f1d08ab54;p=rrq%2Foverlay-boot.git

Avoid unmounting points below $LIVE using full pathname.
---

diff --git a/overlay-boot b/overlay-boot
index 6577cad..899d53b 100755
--- a/overlay-boot
+++ b/overlay-boot
@@ -37,6 +37,7 @@ trap "exithandler" 0
 # including "/" as well) and "/proc".
 sort -rk2,2 < /proc/mounts | while read D P A2 ; do
     beginswith "$P" "$LIVE" && continue
+    beginswith "$P" "$(realpath $LIVE)" && continue
     beginswith "/run/netns/$NAME" "$P" && continue
     [ "$P" = /proc ] && continue
     umount "$P"