setup.sh

#!/usr/bin/env bash

DEBUG_ENABLED=0

# Will disable prints if DEBUG_ENABLED is 0.
function debug() {
    if (( DEBUG_ENABLED != 0 )); then
        echo "debug: $@"
    fi
}

if ! command -v python3 &>/dev/null; then
    echo 'Python 3 is not installed. Please install it!'
    exit 1
fi

echo ''
echo '                          GGGGGGGGGGGGG        CCCCCCCCCCCCC       CCCCCCCCCCCCC'
echo '>>>>>>>                GGG::::::::::::G     CCC::::::::::::C    CCC::::::::::::C'
echo ' >:::::>             GG:::::::::::::::G   CC:::::::::::::::C  CC:::::::::::::::C'
echo '  >:::::>           G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C C:::::CCCCCCCC::::C'
echo '   >:::::>         G:::::G       GGGGGG C:::::C       CCCCCCC:::::C       CCCCCC'
echo '    >:::::>       G:::::G              C:::::C             C:::::C              '
echo '     >:::::>      G:::::G              C:::::C             C:::::C              '
echo '      >:::::>     G:::::G    GGGGGGGGGGC:::::C             C:::::C              '
echo '     >:::::>      G:::::G    G::::::::GC:::::C             C:::::C              '
echo '    >:::::>       G:::::G    GGGGG::::GC:::::C             C:::::C              '
echo '   >:::::>        G:::::G        G::::GC:::::C             C:::::C              '
echo '  >:::::>          G:::::G       G::::G C:::::C       CCCCCCC:::::C       CCCCCC'
echo ' >:::::>            G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C C:::::CCCCCCCC::::C'
echo '>>>>>>>              GG:::::::::::::::G   CC:::::::::::::::C  CC:::::::::::::::C'
echo '                       GGG::::::GGG:::G     CCC::::::::::::C    CCC::::::::::::C'
echo '                          GGGGGG   GGGG        CCCCCCCCCCCCC       CCCCCCCCCCCCC'
echo ''
echo ''
echo 'Welcome to the GCC Fall 2019 Relay Programming Competition!'
echo ''
echo "I'm going to ask you some questions before we get started."
echo ''

valid=0
while ((valid == 0 )); do
    read -p 'Has each of your teammates forked https://github.com/GuelphCodingCommunity/f19-relay and added you as a collaborator? [y/n]: ' yn
    case $yn in
        y* | Y*)
            valid=1
            ;;
        n* | N*)
            echo 'Please do so before continuing.'
            exit 1
            ;;
    esac
done

valid=0
while (( valid == 0 )); do
    read -p 'What challenge number have you been assigned? [1/2/3]: ' challenge
    if (( challenge < 1 )) || (( challenge > 3)); then
        echo "Enter 1, 2, or 3" >&2
    fi
    valid=1
done;

read -p 'What is your GitHub user name? ' me

other_challenges=(1 2 3)
program_names=("timeline.py" "rle.py" "pathfix.py")
team=()

my_program=${program_names[$((challenge - 1))]}

# Remove myself from the other challenges.
# Array indices will be fixed later, they are useful as is right now.
unset "other_challenges[$((challenge - 1))]"
debug "other_challenges=${other_challenges[@]}"

for i in ${!other_challenges[@]}; do
    read -p "What is the GitHub username of your teammate doing challenge #${other_challenges[i]}? " team[i]
done

debug "challenge=$challenge"
debug "team=${team[@]}"
debug "me=$me"

echo 'I am about to clone some repositories.'

valid=0
while (( valid == 0 )); do
    echo 'Would you like to clone using SSH or HTTPS?'
    read -p "Pick HTTPS if you don't know what this means. [SSH/HTTPS]: " protocol

    case "$protocol" in
        "ssh" | "SSH")
            protocol="ssh"
            valid=1
            ;;
        "https" | "http" | "HTTPS" | "HTTP")
            protocol="https"
            valid=1
            ;;
        *)
            echo "Unrecognized. Try again." >&2
            ;;
    esac
    debug "protocol=$protocol"
done
echo ''

mkdir -p 'f19-relay'

# Fix the array indices.
other_challenges=("${other_challenges[@]}")
team=("${team[@]}")

# Clone the repositories.
baseurl=''
case "$protocol" in
    "ssh")
        baseurl='git@github.com:'
        ;;
    "https")
        baseurl='https://github.com/'
        ;;
    *)
        echo 'Internal script error. This should not have happened.' >&2
        exit 1
        ;;
esac

echo 'Cloning team mate repositories...'
git clone "$baseurl$me/f19-relay.git" "f19-relay/challenge_$challenge"
debug git clone "$baseurl$me/f19-relay.git" "f19-relay/challenge_$challenge"

git clone "$baseurl${team[0]}/f19-relay.git" "f19-relay/challenge_${other_challenges[0]}"
debug git clone "$baseurl${team[0]}/f19-relay.git" "f19-relay/challenge_${other_challenges[0]}"

git clone "$baseurl${team[1]}/f19-relay.git" "f19-relay/challenge_${other_challenges[1]}"
debug git clone "$baseurl${team[1]}/f19-relay.git" "f19-relay/challenge_${other_challenges[1]}"
echo 'Cloned.'
echo ''

echo "Bootstrapping your project for challenge $challenge..."
dir=$PWD
cd "f19-relay/challenge_$challenge"

cat <<EOF > $my_program
#!/usr/bin/env python3

import sys

def main(args):
    print("Hello world!")

    return 0

if __name__ == "__main__":
    main(sys.argv)

EOF

chmod +x $my_program

cd $dir

# check that all 3 challenges were cloned successfully
num=$(ls f19-relay | wc -l)
if [ $num -ne "3" ]; then

    printf "\e[1;31mERROR: Not all the challenges were downloaded \e[0m\n"
    printf "\e[1;93mPlease check that all the repositories have been cloned and that you entered the user names correctly\e[0m\n"

    echo "Challenge $challenge: $me"
    echo "Challenge ${other_challenges[0]}: ${team[0]}"
    echo "Challenge ${other_challenges[1]}: ${team[1]}"

    echo ""
else

    printf "\e[92mBootstrapped!\e[0m\n"
    printf "\e[1;93mPlease wait for further instruction!\e[0m\n"
    echo ""
    echo "When it's time, open f19-relay/challenge_$challenge/$my_program and start coding!"
    echo ""

fi