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updater.sh/prefsCleaner.sh: Check for root and abort (#1651)

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* updater.sh/prefsCleaner.sh: Check for root and abort

Check if running as root and if any files have the owner/group as root|wheel.
Abort on both.

Should (hopefully) prevent stuff like: https://github.com/arkenfox/user.js/issues/1587
Discussion: https://github.com/arkenfox/user.js/pull/1595

---------

Co-authored-by: Mohammed Anas <triallax@tutanota.com>
Co-authored-by: earthlng <earthlng@users.noreply.github.com>
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Celestial Nebula 2023-04-22 11:52:26 +00:00 • committed by GitHub
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commit f2e4a79ca0
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updater.sh
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@ -2,12 +2,23 @@
## arkenfox user.js updater for macOS and Linux
## version: 3.5
## version: 3.6
## Author: Pat Johnson (@overdodactyl)
## Additional contributors: @earthlng, @ema-pe, @claustromaniac, @infinitewarp
## DON'T GO HIGHER THAN VERSION x.9 !! ( because of ASCII comparison in update_updater() )
# Check if running as root and if any files have the owner/group as root/wheel.
if [ "${EUID:-"$(id -u)"}" -eq 0 ]; then
printf 'You shouldn't run this with elevated privileges (such as with doas/sudo).\n'
exit 1
elif [ -n "$(find ./ -user 0 -o -group 0)" ]; then
printf 'It looks like this script was previously run with elevated privileges,
you will need to change ownership of the following files to your user:\n'
find . -user 0 -o -group 0
exit 1
fi
readonly CURRDIR=$(pwd)
SCRIPT_FILE=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null)