01 February 2019

Mozilla Firefox One-liner Installer

Here is a PowerShell one-line installer for Mozilla Firefox. This allows you to download the latest version of Mozilla Firefox during the build process without having to maintain the package each time. The URI used in this is for the 64-bit version of Firefox. If you need a different version, you will need to locate the download URI and copy and paste it in the one-liner thereby changing the value of $URI. I have been using this one-liner to install Firefox in the build for almost a year.

This one-liner includes error checking so in the event the URI is no longer valid, you will be alerted to it and be able to update the script with the new URI.


 powershell.exe -executionpolicy bypass -command "&{$URI='https://download.mozilla.org/?product=firefox-latest-ssl&os=win64&lang=en-US';$AppInstaller=$env:TEMP+'\'+'Firefox.exe';Invoke-WebRequest -Uri $URI -OutFile $AppInstaller -ErrorAction SilentlyContinue;$ErrCode=(Start-Process -FilePath $AppInstaller -ArgumentList '/silent /install' -Wait -Passthru).ExitCode;Remove-Item $AppInstaller -ErrorAction SilentlyContinue -Force;Exit $ErrCode}"  
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