Fix use of stow to not fold directories

roles/gitea/tasks/Linux.yaml

@@ -46,5 +46,5 @@
   when: install_required
   become: true
   command:
-    cmd: 'stow --target /usr/local .'
+    cmd: 'stow --no-folding --target /usr/local .'
     chdir: '{{tea_package_dir}}'

roles/neovim/tasks/Debian.yaml

@@ -9,6 +9,28 @@
     name: neovim
     state: absent
 
+- set_fact:
+    old_package_dir: '/usr/local/lib/nvim/nvim-linux64'
+
+- name: check if old package directory exists
+  stat:
+    path: '{{old_package_dir}}'
+  register: old_package
+
+- name: uninstall package from old directory
+  when: old_package.stat.exists
+  become: true
+  command:
+    cmd: 'stow --delete --target /usr/local .'
+    chdir: '{{old_package_dir}}'
+
+- name: remove old package directory
+  when: old_package.stat.exists
+  become: true
+  file:
+    state: absent
+    path: '{{old_package_dir}}'
+
 - name: install gnu stow for managing tar.gz package
   become: true
   apt:
@@ -47,7 +69,7 @@
       '{{installed_version is not defined or
          installed_version != latest.json.tag_name}}'
     asset_query: '[?contains(name, `nvim-linux64.tar.gz`)]'
-    package_dir: '/usr/local/lib/nvim'
+    package_dir: '/usr/local/stow/nvim'
 - set_fact:
     uninstall_required: '{{nvim.stat.exists and install_required}}'
     asset: '{{latest.json.assets | json_query(asset_query)}}'
@@ -108,7 +130,7 @@
   when: install_required
   become: true
   command:
-    cmd: 'stow --target /usr/local .'
+    cmd: 'stow --no-folding --target /usr/local .'
     chdir: '{{package_dir}}/nvim-linux64'
 
 - include_tasks: Unix.yaml