Update vim plugin installations

user.yml

@@ -301,27 +301,60 @@
       src: ~/.vim/autoload/plug.vim
       force: true
 
+  - name: get ycm version before update
+    shell: |
+      if ! [[ -d ~/.local/share/nvim/plugged/YouCompleteMe ]] ; then
+          exit 200
+      fi
+      cd ~/.local/share/nvim/plugged/YouCompleteMe
+      git rev-parse HEAD
+    args:
+      executable: /bin/bash
+    register: ycm_before_update
+    changed_when: false
+    failed_when: ycm_before_update.rc not in (0, 200)
+
   - name: install vim plugins
-    command: /usr/bin/nvim -f -E -s -c "source ~/.vimrc" +PlugInstall +qall
+    command: /usr/bin/nvim --headless +"PlugInstall --sync" +qall
-    register: vim_plugins_stdout
+    changed_when: false
-    check_mode: false
+
-    changed_when: vim_plugins_stdout.stdout_lines|length != 0
+  - name: install go binaries for vim
+    command: /usr/bin/nvim --headless +GoInstallBinaries +qall
+    changed_when: false
 
   - name: update vim plugins
-    command: /usr/bin/nvim -f -E -s -c "source ~/.vimrc" +PlugUpdate +qall
+    command: /usr/bin/nvim --headless +"PlugUpdate --sync" +qall
-    register: vim_plugin_update
+    changed_when: false
-    changed_when: vim_plugin_update.stdout_lines|length != 0
+
+  - name: update go binaries for vim
+    command: /usr/bin/nvim --headless +GoUpdateBinaries +qall
+    changed_when: false
+
+  - name: get ycm version after update
+    shell: |
+      cd ~/.local/share/nvim/plugged/YouCompleteMe
+      git rev-parse HEAD
+    args:
+      executable: /bin/bash
+    register: ycm_after_update
+    changed_when: false
 
   - name: compile youcompleteme
-    # --force-sudo is required, as the script refuses to run
+    # --force-sudo is required, as the script refuses to run in a sudo
-    # in a sudo environment (i.e. if the SUDO_USER env variable
+    # environment (i.e. if the SUDO_USER env variable is set). But of course,
-    # is set). But of course, ansible uses that to assume the
+    # ansible uses that to assume the other user. It's fine.
-    # other user. It's fine.
     shell: |
-      cd ~/.local/share/nvim/plugged/YouCompleteMe/
+      cd ~/.local/share/nvim/plugged/YouCompleteMe
       python3 ./install.py --force-sudo
     args:
-      creates: '~/.local/share/nvim/plugged/YouCompleteMe/third_party/ycmd/ycm_core.cpython-38-x86_64-linux-gnu.so'
+      executable: /bin/bash
+    register: ycm_compile_output
+    failed_when: ycm_compile_output.rc not in (0, 200)
+    when: >
+      (ycm_before_update.rc == 200)
+      or
+      (ycm_before_update.stdout != ycm_after_update.stdout)
+  tags: [vim-plugins]
 
 - block:
   - name: firefox - create chrome directory