linux-scripts/main.sh at main · base2code/linux-scripts · GitHub

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#!/bin/bash

INDEX_URL="https://raw.githubusercontent.com/base2code/linux-scripts/main/index.json"
BASE_URL="https://raw.githubusercontent.com/base2code/linux-scripts/main/scripts/"


NUMBER_REGEX='^[0-9]+$'

# Check if jq (json serialization) is installed
if ! command -v jq &> /dev/null
then
    echo "jq could not be found"
    exit
fi

# Check if curl ist installed
if ! command -v curl &> /dev/null
then
    echo "curl could not be found"
    exit
fi

# Download index.json
index=$(curl -sSL $INDEX_URL)
if ! [ $? -eq 0 ]; then
    echo "Could not download index"
    echo $index
    exit
fi

declare -a script_names
script_names=($(echo $index | jq -r ".[] | .name"))

given_name=$1

if [ -z "$given_name" ]; then


    # initialize counter for selection menu
    declare -i i
    i=0

    echo ""
    echo "Please choose a script to execute:"
    echo ""

    for script in ${script_names[@]}; do
        echo "[${i}] ${script} - $(echo $index | jq -r ".[${i}] | .description")"
        i=i+1
    done
    elements=i-1

    echo "Please type in a number from 0 to ${elements}:"

    read -r selection

    if ! [[ $selection =~ $NUMBER_REGEX ]] ; then
        echo "error: Not a number"
        exit
    fi


    if (( $elements < $selection )); then
        echo "selection is greater than availiable scripts"
        exit
    elif (( $selection < 0 )); then
        echo "selection is smaller than 0"
        exit
    fi

    selected_name=${script_names[$((${selection}))]}

else
    echo "Seach term "$given_name" has beed detected"
    regex_search="${given_name}*"
    for script in ${script_names[@]}; do
        if [[ $script =~ $regex_search ]]; then
	    selected_name=$script
	fi
    done

    if [ -z $selected_name ]; then
	echo "Specified script could not be found."
	exit 1
    fi
fi

echo ""
echo "Selected script: ${selected_name}"
echo ""

final_url="${BASE_URL}${selected_name}"

read -r -p "Should I download the script and execute it? [y/N] " response
case "$response" in
    [yY][eE][sS]|[yY])
        echo "Downloading and executing script..."
	echo ""
	curl -sSL $final_url | sh
        if ! [ $? -eq 0 ]; then
    	    echo "Error during script download!"
            echo "This is the script URL: ${final_url}"
    	    exit 1
	fi
        exit 0
	;;
esac

read -r -p "Where should I download the script? [.] " output
output=${output:-.}

location="${output}/${selected_name}"
curl -sSL -o $location $final_url

if ! [ $? -eq 0 ]; then
    echo "Error during script download!"
    echo "This is the script URL: ${final_url}"
    echo "Target: ${location}"
    exit 1
fi

echo "Downloaded the script to: ${location}"
echo "Do not forget to make script executable."

echo ""
echo "Script finished successfully"