#!/bin/sh

# forked from: https://github.com/rexim/dotfiles/blob/master/deploy.sh

SCRIPT_DIR="$( cd "$( dirname "$BASH_SOURCE[0]" )" && pwd )"
MANIFEST_FILE="MANIFEST"

symlink_file() {
    filename="$SCRIPT_DIR/$1"
    destination=$(echo "$HOME/$2/$1" | sed 's/\/\//\//g')

    mkdir -p $(dirname "$destination")

    if [ -L "$destination" ]; then
        echo "info: updating $filename symlink"
        rm -f "$destination" > /dev/null
        ln -s "$filename" "$destination"
    else
        if [ -e "$destination" ]; then
            echo "error: $destination exists but it's not a symlink. Please fix that manually" && return
        else
            ln -s "$filename" "$destination"
            echo "info: $filename -> $destination"
        fi
    fi
}

deploy_manifest() {
    echo "--- deploying ---"
    for row in $(cat "$SCRIPT_DIR/$MANIFEST_FILE"); do
        filename=$(echo $row | cut -d \| -f 1)
        destination=$(echo $row | cut -d \| -f 2)
        symlink_file $filename $destination
    done
}

clean() {
    echo "--- cleaning up ---"
    for row in $(cat "$SCRIPT_DIR/$MANIFEST_FILE"); do
        filename=$(echo $row | cut -d \| -f 1)
        destination=$(echo $row | cut -d \| -f 2)
        result=$(echo "$HOME/$destination/$filename" | sed 's/\/\//\//g')
        rm -f "$result" > /dev/null
        echo "info: removed $result symlink"
    done
}

[ "$1" = "clean" ] && clean && exit
deploy_manifest