#!/bin/bash

# this script links the script given as an argument to the /usr/bin directory, and makes it executable
# it also checks if the script is already in the bin directory

# check if the script is given as an argument
if [ -z "$1" ]; then
    echo "Usage: $0 <script>"
    exit 1
fi

# check if the script exists
if [ ! -f "$1" ]; then
    echo "Error: $1 does not exist"
    exit 1
fi

# check if the script is already in the bin directory
if [ -f "/usr/bin/$(basename $1)" ]; then
    echo "Error: $(basename $1) is already in the bin directory"
    exit 1
fi

# make the script executable
sudo chmod +x "$1"

# link the script to the bin directory, the origin has to be an absolute path
sudo ln -s "$(realpath $1)" /usr/bin/$(basename $1)

# check if the link was successful
if [ $? -eq 0 ]; then
    echo "Success: $(basename $1) is now in the bin directory"
else
    echo "Error: failed to link $(basename $1) to the bin directory"
fi