replaced ~ with more reliable data

roles/mastodon/tasks/system_setup/ruby.yml

@@ -3,14 +3,14 @@
   - name: mastodon | Clone rbenv
     git:
       repo: "https://github.com/rbenv/rbenv.git"
-      dest: "~/.rbenv"
+      dest: "{{ getent_passwd[user][4] }}/.rbenv"
       clone: true
       version: "{{ rbenv_version }}"
 
   - name: mastodon | Clone ruby-build
     git:
       repo: "https://github.com/rbenv/ruby-build.git"
-      dest: "~/.rbenv/plugins/ruby-build"
+      dest: "{{ getent_passwd[user][4] }}/.rbenv/plugins/ruby-build"
       clone: true
       version: "{{ ruby_build_version }}"
     register: ruby_build
@@ -18,36 +18,36 @@
   - name: mastodon | Configure rbenv
     command: ./configure
     args:
-      chdir: "~/.rbenv/src"
+      chdir: "{{ getent_passwd[user][4] }}/.rbenv/src"
     register: rbenv_configure
 
   - name: mastodon | Build rbenv
     command: make
     args:
-      chdir: "~/.rbenv/src"
+      chdir: "{{ getent_passwd[user][4] }}/.rbenv/src"
     when: rbenv_configure is succeeded
 
   - name: mastodon | Update profile settings
     blockinfile:
-      dest: "~/.profile"
+      dest: "{{ getent_passwd[user][4] }}/.profile"
       content: |
-        export PATH="~/.rbenv/bin:${PATH}"
+        export PATH="{{ getent_passwd[user][4] }}/.rbenv/bin:${PATH}"
         eval "$(rbenv init -)"
 
   - name: mastodon | Check if the Ruby version is already installed
-    shell: "~/.rbenv/bin/rbenv versions | grep -q {{ ruby_version }}"
+    shell: "{{ getent_passwd[user][4] }}/.rbenv/bin/rbenv versions | grep -q {{ ruby_version }}"
     register: ruby_installed
     ignore_errors: yes
     check_mode: no
 
   - name: mastodon | Install Ruby {{ ruby_version }}
-    shell: "~/.rbenv/bin/rbenv install {{ ruby_version }}"
+    shell: "{{ getent_passwd[user][4] }}/.rbenv/bin/rbenv install {{ ruby_version }}"
     args:
       executable: /bin/bash
     when: ruby_installed is failed
 
   - name: mastodon | Set the default Ruby version to {{ ruby_version }}
-    shell: "~/.rbenv/bin/rbenv global {{ ruby_version }}"
+    shell: "{{ getent_passwd[user][4] }}/.rbenv/bin/rbenv global {{ ruby_version }}"
     args:
       executable: /bin/bash
     register: default_ruby_version