Expose popular ruby paths and refactor a bit

tasks/main.yml

@@ -1,64 +1,64 @@
 ---
 - name: detect rvm binary
-  stat: path={{ ruby_rvm_install_path }}/bin/rvm
+  stat: path='{{ ruby_rvm }}'
   register: rvm_binary
 
 - name: detect rvm installer
-  stat: path={{ ruby_temp_download_path }}/rvm-installer.sh
+  stat: path='{{ ruby_rvm_temp_download_path }}/rvm-installer.sh'
   register: rvm_installer
 
 - name: detect current rvm version
-  command: "{{ ruby_rvm_install_path }}/bin/rvm version"
+  command: '{{ ruby_rvm }} version'
   changed_when: false
   register: rvm_current_version
   when: rvm_binary.stat.exists
 
 - name: detect stable rvm version from url
-  uri: url={{ ruby_rvm_stable_version_number }} return_content=yes
+  uri: url='{{ ruby_rvm_stable_version_number }} return_content=yes'
   register: rvm_stable_version_number
-  when: "'://' in ruby_rvm_stable_version_number"
+  when: '"://" in ruby_rvm_stable_version_number'
 
 - name: ensure rvm installer is copied from url
   get_url:
-    url: "{{ ruby_rvm_latest_installer }}"
-    dest: "{{ ruby_temp_download_path }}/rvm-installer.sh"
-  when: "'://' in ruby_rvm_latest_installer and not rvm_installer.stat.exists or ruby_rvm_force_upgrade_installer"
+    url: '{{ ruby_rvm_latest_installer }}'
+    dest: '{{ ruby_rvm_temp_download_path }}/rvm-installer.sh'
+  when: '"://" in ruby_rvm_latest_installer and not rvm_installer.stat.exists or ruby_rvm_force_upgrade_installer'
 
 - name: ensure rvm installer is copied from local file
-  copy: src="{{ ruby_rvm_latest_installer }}" dest="{{ ruby_temp_download_path }}/rvm-installer.sh"
-  when: not "://" in ruby_rvm_latest_installer and not rvm_installer.stat.exists or ruby_rvm_force_upgrade_installer
+  copy: src='{{ ruby_rvm_latest_installer }}' dest='{{ ruby_rvm_temp_download_path }}/rvm-installer.sh'
+  when: not '://' in ruby_rvm_latest_installer and not rvm_installer.stat.exists or ruby_rvm_force_upgrade_installer
 
 - name: ensure rvm installer is configured
   file:
-    path: "{{ ruby_temp_download_path }}/rvm-installer.sh"
+    path: "{{ ruby_rvm_temp_download_path }}/rvm-installer.sh"
     mode: 0755
   when: not rvm_binary.stat.exists or ruby_rvm_force_upgrade_installer
 
 - name: ensure rvm stable is installed
-  command: "{{ ruby_temp_download_path }}/rvm-installer.sh --path {{ ruby_rvm_install_path }} stable"
+  command: '{{ ruby_rvm_temp_download_path }}/rvm-installer.sh --path {{ ruby_rvm_install_path }} stable'
   when: not rvm_binary.stat.exists
 
 - name: ensure rvm is upgraded
-  shell: "{{ ruby_rvm_install_path }}/bin/rvm get stable && {{ ruby_rvm_install_path }}/bin/rvm reload"
+  shell: '{{ ruby_rvm }} get stable && {{ ruby_rvm }} reload'
   when: rvm_binary.stat.exists and rvm_stable_version_number.content|default(ruby_rvm_stable_version_number)|replace("\n", "") > rvm_current_version.stdout.split()[1]
 
 - name: ensure rvm installs ruby dependencies
-  command: "{{ ruby_rvm_install_path }}/bin/rvm autolibs 3"
+  command: '{{ ruby_rvm }} autolibs 3'
   when: not rvm_binary.stat.exists
 
 - name: detect if ruby version is installed
-  stat: path={{ ruby_rvm_install_path }}/rubies/ruby-{{ ruby_version }}
+  stat: path='{{ ruby_rvm_install_path }}/rubies/ruby-{{ ruby_version }}'
   register: installed_ruby_version
 
 - name: ensure ruby is installed
-  command: "{{ ruby_rvm_install_path }}/bin/rvm install ruby-{{ ruby_version }}"
+  command: '{{ ruby_rvm }} install ruby-{{ ruby_version }}'
   when: not installed_ruby_version.stat.exists
 
 - name: detect default ruby version
-  command: "{{ ruby_rvm_install_path }}/bin/rvm alias list default"
+  command: '{{ ruby_rvm }} alias list default'
   changed_when: false
   register: ruby_selected
 
 - name: ensure default ruby is selected
-  command: "{{ ruby_rvm_install_path }}/bin/rvm alias create default ruby-{{ ruby_version }}"
+  command: '{{ ruby_rvm }} alias create default ruby-{{ ruby_version }}'
   when: ruby_selected.stdout == '' or ruby_version not in ruby_selected.stdout