a script to automatically update and run Icalingua++ QQ on x86 linux

runqq.sh

#!/bin/bash
# Put this script to the same folder with Icalingua++-XX.AppImage or where you want to download the appimage.

# get script path
file_path=$(dirname $(readlink -f $0))
cd $file_path
# check github releases for new version
url=$(curl -s https://api.github.com/repos/Icalingua-plus-plus/Icalingua-plus-plus/releases/latest | grep "browser_download_url.*AppImage" | cut -d : -f 2,3 | tr -d \" | sed -n '3p')

# check if url is empty
if [ -z "$url" ]; then
    echo "can not get the latest version"
    exit 0
fi

# get the version number
version=$(echo "$url" | sed -n 's/.*v\(.*\)\/.*/\1/p')

function update() {
    target_file="Icalingua++-$version.AppImage"
    # strip url
    url=$(echo "$url" | sed -n 's/.*\(https.*\)/\1/p')
    # download the latest version
    wget "$url" -O $target_file
}

# get all icalingua++ appimage files
files=$(find . -name "Icalingua++-*.AppImage")
need_update=false
# check if there is no appimage file
if [ -z "$files" ]; then
    echo "No appimage file found"
    need_update=true
else
    # check which one is the latest version
    local_latest=$(echo "$files" | sort -V | tail -n 1)
    local_version=$(echo "$local_latest" | sed -n 's/.*Icalingua++-\(.*\).AppImage/\1/p')
    target_file=$local_latest
    # check if the latest version is not the same as the latest version on github
    if [ "$version" != "$local_version" ]; then
        rm -f $local_latest
        echo "New version found: $version"
        need_update=true
    fi
fi

if [ "$need_update" = true ]; then
    update
fi

# run the latest version
chmod +x "$target_file"
./"$target_file"