install

#!/bin/bash

set -e -u

FFMPEGLOC=$(which ffmpeg)
CURL_EXISTS=$(command -v "curl")
WGET_EXISTS=$(command -v "wget")
if [ -z $CURL_EXISTS ] && [ -z $WGET_EXISTS ]; then
    echo "Please install either wget or curl"
    exit 1
fi

if [ -z "$FFMPEGLOC" ]; then
    echo "No FFmpeg found"
else
    echo "FFmpeg was found at "$FFMPEGLOC
    echo "Removing old FFmpeg"
    rm -rf $FFMPEGLOC
    echo "Done"
fi

if [ ! -f "ffmpeg" ]; then
    if [ $WGET_EXISTS ]; then
        wget "https://github.com/XniceCraft/ffmpeg-colab/releases/download/7.1/ffmpeg" -O ffmpeg
    elif [ $CURL_EXISTS ]; then
        curl -o ffmpeg "https://github.com/XniceCraft/ffmpeg-colab/releases/download/7.1/ffmpeg"
    fi
fi

if [ -f "ffmpeg" ]; then
    echo "Moving new ffmpeg to /usr/bin"
    chmod +x ffmpeg
    if [ $(mv ffmpeg "/usr/bin/"; echo $?) != 0 ]; then
        echo "Failed move ffmpeg to /usr/bin"
        echo "Moving new ffmpeg to /usr/local/bin"
        if [ $(mv ffmpeg "/usr/local/bin/"; echo $?) != 0 ]; then
            echo "Installation failed. Please check your permission"
            exit 1
        fi
    fi
    echo "FFmpeg was successfully installed"
fi