apt attempts to upgrade to firefox 1.99+2.0b1+dfsg-1ubuntu2, but dpkg aborts due to a violation of Breaks (firefox-themes-ubuntu is installed by default).
mizar:[/tmp] sudo apt-get -f install
Password:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies...Done
The following extra packages will be installed:
firefox
Suggested packages:
latex-xft-fonts libthai0
The following packages will be upgraded:
firefox
1 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
1 not fully installed or removed.
Need to get 0B/8640kB of archives.
After unpacking 262kB disk space will be freed.
Do you want to continue [Y/n]?
Reading changelogs... Done
dpkg: regarding .../firefox_1.99+2.0b1+dfsg-1ubuntu2_i386.deb containing firefox:
firefox breaks firefox-themes-ubuntu (<= 0.4.5)
firefox-themes-ubuntu (version 0.4.5) is installed.
dpkg: error processing /space/cache/apt/archives/firefox_1.99+2.0b1+dfsg-1ubuntu2_i386.deb (--unpack):
installing firefox would break firefox-themes-ubuntu, and
deconfiguration is not permitted (--auto-deconfigure might help)
Errors were encountered while processing:
/space/cache/apt/archives/firefox_1.99+2.0b1+dfsg-1ubuntu2_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
zsh: exit 100 sudo apt-get -f install
mizar:[/tmp] sudo dpkg --configure -a
dpkg: dependency problems prevent configuration of firefox-gnome-support:
firefox-gnome-support depends on firefox (= 1.99+2.0b1+dfsg-1ubuntu2); however:
Version of firefox on system is 1.99+2.0b1+dfsg-1ubuntu1.
dpkg: error processing firefox-gnome-support (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
firefox-gnome-support
I can confirm this.