I did a new update and now upgrading try to deinstall sauerbraten while installing sauerbraten-data :
thomas@cixi:~$ LC_ALL=C sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be REMOVED:
sauerbraten
The following packages will be upgraded:
sauerbraten-data
1 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 312MB of archives.
After this operation, 93.2MB of additional disk space will be used.
Do you want to continue [Y/n]?
I did a new update and now upgrading try to deinstall sauerbraten while installing sauerbraten-data :
thomas@cixi:~$ LC_ALL=C sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be REMOVED:
sauerbraten
The following packages will be upgraded:
sauerbraten-data
1 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
Need to get 312MB of archives.
After this operation, 93.2MB of additional disk space will be used.
Do you want to continue [Y/n]?