Reintroduce tahoe-lafs

src/freedombone-app-tahoelafs

 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-VARIANTS=''
+VARIANTS='full full-vim cloud'
 
 IN_DEFAULT_INSTALL=0
 SHOW_ON_ABOUT=1
 
 TAHOELAFS_REPO="https://github.com/tahoe-lafs/tahoe-lafs"
-TAHOELAFS_COMMIT='30b421d48b3d1dae2ef507bf27a1f3816300cd92'
+TAHOELAFS_COMMIT='bb782b0331a60de438136a593bba18338d8d866b'
 
 TAHOELAFS_PORT=50213
 TAHOELAFS_WEB_PORT=3456
 }
 
 function upgrade_tahoelafs {
-    echo -n ''
-    # TODO
+    systemctl stop tahoelafs
+    function_check set_repo_commit
+    set_repo_commit /home/tahoelafs/tahoelafs "tahoelafs commit" "$TAHOELAFS_COMMIT" $TAHOELAFS_REPO
+    cd /home/tahoelafs/tahoelafs
+    virtualenv venv
+    venv/bin/pip install --editable .
+    systemctl start tahoelafs
 }
 
 function backup_local_tahoelafs {
     systemctl enable tahoelafs
     systemctl daemon-reload
     systemctl start tahoelafs
+
+    set_completion_param "tahoelafs commit" "$TAHOELAFS_COMMIT"
+
     APP_INSTALLED=1
 }