Firefox Nightly desktop file

firefox-nightly.desktop

[Desktop Entry]
Version=1.0
Name=Firefox Nightly

GenericName=Web Browser
Comment=Browse the Web 
Exec=/path/to/firefox-nightly/firefox --name firefox-nightly --class firefox-nightly %u
Icon=/path/to/firefox-nightly/browser/chrome/icons/default/default128.png
Terminal=false
Type=Application
MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;x-scheme-handler/http;x-scheme-handler/https;StartupNotify=true
StartupWMClass=firefox-nightly
Categories=Network;WebBrowser;
Keywords=web;browser;internet;
Actions=new-window;new-private-window;profile-manager;

[Desktop Action new-window]
Name=New Window
Exec=/path/to/firefox-nightly/firefox --name firefox-nightly --class firefox-nightly --new-window %u

[Desktop Action new-private-window]
Name=New Private Window
Exec=/path/to/firefox-nightly/firefox --name firefox-nightly --class firefox-nightly --private-window -P Nightly %u

[Desktop Action profile-manager]
Name=Profile Manager
Exec=/path/to/firefox-nightly/firefox --name firefox-nightly --class firefox-nightly -P %u