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setup: fix unbound SUDO_USER variable when running as root in Docker #4029

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setup: fix unbound SUDO_USER variable when running as root in Docker #4029

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e9924b0
setup: fix unbound SUDO_USER variable when running as root in Docker
Divinesoumyadip Mar 22, 2026
21a69ed
setup: refactor to use helper function for SUDO_USER handling
Divinesoumyadip Apr 3, 2026
ebbdf37
setup: resolve merge conflicts, keep helper function approach
Divinesoumyadip Apr 3, 2026
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20 changes: 12 additions & 8 deletions setup.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,16 +5,20 @@ set -euo pipefail
# allow this script to be invoked from any folder
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

if [[ "$OSTYPE" == "darwin"* ]] && [[ $EUID -eq 0 ]]; then
echo "Do NOT run this script with sudo on macOS"
if [ $EUID -ne 0 ]; then
echo "This script must be run with sudo"
exit 1
fi

if [[ "$OSTYPE" != "darwin"* ]] && [[ $EUID -ne 0 ]]; then
echo "This script must be run with sudo on Linux"
exit 1
fi

# Run a command as the original user if invoked via sudo, otherwise run directly
run_as_user() {
if [[ -n "${SUDO_USER:-}" ]]; then
sudo -u "$SUDO_USER" "$@"
else
"$@"
fi
}
tmpfile=$(mktemp)
# any error messages from this command will stand out
# more clearly when run as a separate command rather than
Expand All @@ -25,7 +29,7 @@ if grep -q "^-" "$tmpfile"; then
if [[ "$OSTYPE" == "darwin"* ]]; then
git submodule update --init --recursive
else
sudo -u $SUDO_USER git submodule update --init --recursive
run_as_user git submodule update --init --recursive
fi
elif grep -q "^+" "$tmpfile"; then
# Make it easy for users who are not hacking ORFS to do the right thing,
Expand All @@ -39,5 +43,5 @@ fi
if [[ "$OSTYPE" == "darwin"* ]]; then
"$DIR/etc/DependencyInstaller.sh" -common -prefix="$DIR/dependencies"
else
sudo -u $SUDO_USER "$DIR/etc/DependencyInstaller.sh" -common -prefix="$DIR/dependencies"
run_as_user "$DIR/etc/DependencyInstaller.sh" -common -prefix="$DIR/dependencies"
fi