chal_make

#!/bin/bash
if [[ "$#" -le 1 ]]; then
	echo "usage: $0 <challenge-password> <flag-value> [<flag-value> ..]"
	exit 1
fi

chal_pass="$1"
shift

i=0
for arg in $@; do
	args="$args --build-arg flag$i=$arg"
	i=$((i+1))
done

docker build --force-rm -t $(cat tag) --build-arg chal_user=$(cat tag) $args .
id -u $(cat tag)
if [[ $? -ne 0 ]]; then
	sudo adduser --disabled-password --gecos "" $(cat tag) && echo "$(cat tag):$chal_pass" | sudo chpasswd
	sudo adduser $(cat tag) docker
else
	echo "$(cat tag):$chal_pass" | sudo chpasswd
fi