toolchain/scripts/host-env

#!/bin/bash
set -e

uid=${UID?}
gid=${GID?}
user=${USER:-"build"}
export HOME="/home/${user}"

# If running user is not root, make a custom user/group
[ "$uid" != "0" ] && {
    getent group "$gid" && groupdel "$gid"
    getent passwd "$uid" && userdel "$uid"
    groupadd -g "$gid" "${user}"
    useradd \
    	-g "$gid" \
    	-G sudo \
    	-u "$uid" \
    	-d "/home/${user}" \
    	-s /bin/bash \
    	"${user}"
}

cd "$HOME"

# If running user is not root, pivot to running user
[ "$uid" != "0" ] && {
    setpriv --reuid="$uid" --regid="$gid" --init-groups "$@"
}