deps

#!/usr/bin/env bash
#
# This script reads ./dependencies.tsv and fetches the entries in the
# second column into the first column. A poor man's package manager if
# you will...

if [ ! -f dependencies.tsv ]; then
    echo "No 'dependencies.tsv' file"
    exit 1
fi

if [ -z $DEST ]; then
    echo "DEST is not defined."
    exit 1
fi

if [ ! -d $DEST ]; then
    echo "Creating $DEST..."
    mkdir -p $DEST
fi

while read -r line
do
    origin=$(sed -e 's:\(.*\)[[:space:]]::g' <<< $line)
    target=$(sed -e 's:[[:space:]]\(.*\)::g' <<< $line)

    if [[ -f $DEST/$target ]]; then
        echo "$target exists. Skip."

    elif [[ -z $origin ]]; then
        echo "Could not parse line: '$line'. Skip."

    else
        (curl -L $origin --silent --fail -o $DEST/$target && echo "Fetched $target" ) || \
            echo "FAILED to fetch $target!"
    fi
done <dependencies.tsv