dotfiles/utils.sh at master · stmichael/dotfiles · GitHub

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link_file() {
    mkdir -p "$(dirname "$2")"
    SOURCE=$(absolute_path "$1")
    TARGET=$(absolute_path "$2")

    if [[ -h $TARGET ]]; then
        echo "- $1: ignoring. $2 is already a symbolic link."
        return 0
    fi
    if [[ -f $TARGET ]]; then
        echo "- $1: fail. $2 already exists." >&2
        return 1
    fi

    echo "- $1: linking to $2"
    ln -sf "$SOURCE" "$TARGET"
}

sudo_link_file() {
    mkdir -p "$(dirname "$2")"
    SOURCE=$(absolute_path "$1")
    TARGET=$(absolute_path "$2")

    if [[ -h $TARGET ]]; then
        echo "- $1: ignoring. $2 is already a symbolic link."
        return 0
    fi
    if [[ -f $TARGET ]]; then
        echo "- $1: fail. $2 already exists." >&2
        return 1
    fi

    echo "- $1: linking to $2"
    sudo ln -sf "$SOURCE" "$TARGET"
}

absolute_path() {
    NAME=$(basename "$1")
    DIR="$(dirname "$1")"
    ABSOLUTE_PATH="$(cd "$DIR" && pwd)"
    echo "$ABSOLUTE_PATH/$NAME"
}

download_file() {
    mkdir -p "$(dirname "$2")"
    local url=$1
    local target=$(absolute_path "$2")

    curl -L -o "$target" "$url"
}