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Creating a Gnome Dock launcher and a terminal command for Firefox Nightly

About 18 months ago, Wil Clouser wrote a blog post on this very blog titled Getting Firefox Nightly to stick to Ubuntu’s Unity Dock.

Fast forward to 2018, Ubuntu announced last year that it is giving up on their Unity desktop and will use Gnome Shell instead. Indeed,  the last Ubuntu 17.10 release uses Gnome Shell by default. That means that the article above is slightly outdated now as its .desktop file was targeting the Unity environment which had its own quirks.

The main annoyance that Firefox Nightly users on Ubuntu noticed after an upgrade to 17.10 was that with every automatic update of the browser (that is to say, everyday) Nightly would restart with a second Nightly icon in the Dock instead of reusing the existing one. This can be solved with a small adjustment to the .desktop file and I thought it might be a good idea to share my own desktop file, here it is:


[Desktop Entry]
Version=1.0
Name=Firefox Nightly
Name[fr]=Firefox Nightly
Comment=Browse the World Wide Web
Comment[fr]=Naviguer sur le Web
GenericName=Web Browser
GenericName[fr]=Navigateur Web
Keywords=Internet;WWW;Browser;Web;Explorer
Keywords[fr]=Internet;WWW;Browser;Web;Explorer;Fureteur;Surfer;Navigateur
Type=Application
Exec=/home/pascalc/apps/firefoxnightly/firefox -P MyNightlyProfile %u
Terminal=false
X-MultipleArgs=false
Icon=/home/pascalc/apps/firefoxnightly/browser/chrome/icons/default/default128.png
Categories=GNOME;GTK;Network;WebBrowser;
Actions=ProfileManager;new-window;new-private-window;
MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
StartupNotify=true
StartupWMClass=Nightly

[Desktop Action ProfileManager]
Name=Profile Manager
Name[fr]=Gestionnaire de profil
Exec=/home/pascalc/apps/firefoxnightly/firefox -P

[Desktop Action new-window]
Name=New window
Name[fr]=Nouvelle fenêtre
Exec=/home/pascalc/apps/firefoxnightly/firefox -new-window -P MyNightlyProfile

[Desktop Action new-private-window]
Name=New private window
Name[fr]=Nouvelle fenêtre privée
Exec=/home/pascalc/apps/firefoxnightly/firefox -private-window -P MyNightlyProfile

The command in this file that allows grouping all Firefox Nightly windows under one icon is StartupWMClass=Nightly. You can also notice that I added localized strings in French for my browser for a better integration in my desktop environment.

As my desktop file above shows, I have installed Nightly in my home and not in opt, I am the only user of my machine, don’t use multiple accounts and I just find it more convenient. If you install Firefox Nightly outside of your home (typically /opt/firefoxnightly), don’t forget to give your installation your user rights otherwise you will never get daily updates:

sudo chown -R $USER:$USER /opt/firefoxnightly

One last thing about that .desktop file, the path to the icon recently changed, so if you used Wil’s article to create your launcher and you lost your nice Nightly logo recently, this is because the file is no longer located in browser/icons/mozicon128.png but is now in browser/chrome/icons/default/default128.png.

And what if you want to launch Nightly from your terminal? The Firefox binary is already associated with the distro-provided Firefox so using firefox in the command line would launch the regular Firefox, not Firefox Nightly. The solution I use is to create a bash script in ~/bin/nightly for Firefox Nightly, make it an executable (chmod +x ~/bin/nightly) and call nightly from the terminal:


#!/bin/bash
#
# Launch Firefox Nigthly with the Nightly profile.
#

$HOME/apps/firefoxnightly/firefox -P MyNightlyProfile $1

You can also pass an url as parameter:


~ $ nightly https://www.mozilla.org 

3 comments on “Creating a Gnome Dock launcher and a terminal command for Firefox Nightly”

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  1. Wil Clouser wrote on

    Thanks for the update, Pascal!

    Reply

  2. Danny wrote on

    You can also install it in the $HOME/opt folder if you don’t have admin rights or you want to install it only for a specific user instead of system-wide. You can then put your bash script “nightly” in $HOME/bin and add $HOME/bin to your PATH.

    Reply

  3. Ferren MacIntyre wrote on

    I work a couple of hours, checking the HTMLS results by looking at them on Nightly — then suddenly Nightly tells me that my connection to http://www.Powweb.com is insecure and will not let me access my work. This is a recurring nuisance that has been happening all year. Granted, my Pyrenean valley lost all internet for 3 weeks last month, so the complaint may have nothing to do with Nightly. I don’t understand the transmission protocols well enough to guess where the problem lies. Ignore me if it isn’t your problem.

    Reply

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