vim: Fix YCM compilation

user.yml

@@ -312,9 +312,13 @@
     changed_when: vim_plugins_stdout.stdout_lines|length != 0
 
   - name: compile youcompleteme
+    # --force-sudo is required, as the script refuses to run
+    # in a sudo environment (i.e. if the SUDO_USER env variable
+    # is set). But of course, ansible uses that to assume the
+    # other user. It's fine.
     shell: |
       cd ~/.local/share/nvim/plugged/YouCompleteMe/
-      python3 ./install.py # --go-completer
+      python3 ./install.py --force-sudo
     args:
       creates: ~/.local/share/nvim/plugged/YouCompleteMe/third_party/ycmd/ycm_core.so
     when: vim_plugins_stdout.stdout_lines|length != 0 or true