get latest github release using curl on bash (ex. revanced-cli)

get-latest-file.sh

# ########
# # bash # 
# ########
# pattern="ATLauncher-.*"
# repo="Alistair1231/ATLauncher-Offline"

# # remove old files
# rm -f description.txt && rm -f ATLauncher-*.jar
# # get the files
# curl -s "https://api.github.com/repos/$repo/releases/latest" | grep -oP '"browser_download_url":\s*"\K[^"]+' | grep -E "$pattern" | wget -q --show-progress -i -
# # get the description
# curl -s "https://api.github.com/repos/$repo/releases/latest" | grep -oP '"body":\s*"\K[^"]+' |  sed -e 's/\\r\\n/\n/g' -e 's/\\n/\n/g' -e 's/^[[:space:]]+//' | tr -d '```' > description.txt

##############
# powershell #
##############

$pattern="ATLauncher-.*"
$repo="Alistair1231/ATLauncher-Offline"

# remove old files
if (Test-Path $pattern) { rm -Force $pattern }
if (Test-Path "description.txt") { rm -Force "description.txt" }

# get the files
(Invoke-RestMethod -Uri "https://api.github.com/repos/$repo/releases/latest").assets.browser_download_url | 
    Select-String -Pattern $pattern | 
    ForEach-Object {
        Invoke-WebRequest $($_ | Select-Object -ExpandProperty line) -OutFile $($_.Matches.Value.Split("/")[-1])
    }
# get the description
Invoke-RestMethod -Uri "https://api.github.com/repos/$repo/releases/latest" | 
    Select-Object -ExpandProperty body | 
    ForEach-Object {$_ -replace '\\r\\n', "`n" -replace '^[[:space:]]+', '' -replace '```', ''} | 
    Set-Content -Path "description.txt"