From beb2aa71a12343e961fbb7acdc0308d76e4554ce Mon Sep 17 00:00:00 2001
From: "dylan.araps@gmail.com" <dylan.araps@gmail.com>
Date: Wed, 29 Jan 2020 13:03:17 +0000
Subject: kiss: Safeguard against su removal
FossilOrigin-Name: 10cfd62c37337abe475fd2a5c566e43e380d59b3b06d70b10ad68ac5748897cb
---
kiss | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/kiss b/kiss
index e6e5116..c98416c 100755
--- a/kiss
+++ b/kiss
@@ -927,10 +927,16 @@ pkg_remove() {
required_by="$required_by'${file##*/}', "
done
+ [ "$required_by" ] &&
+ die "$1" "Package is required by ${required_by%, }"
+
# Disable globbing.
set -f
- [ "$required_by" ] && die "$1" "Package is required by ${required_by%, }"
+ # Ensure that the user leaves their machine in a working state by
+ # refusing to remove the package which providees 'su'.
+ grep -q "^$(command -v su)$" "$sys_db/$1/manifest" &&
+ die "$1" "Removing su will break the system."
# Block being able to abort the script with 'Ctrl+C' during removal.
# Removes all risk of the user aborting a package removal leaving
--
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