* appservice: add and use matrix_homeserver_* vars
* appservice: use the new vars
* Apply suggestions from code review
Co-authored-by: Slavi Pantaleev <slavi@devture.com>
Co-authored-by: Slavi Pantaleev <slavi@devture.com>
Details here: https://docs.ansible.com/ansible/devel/porting_guides/porting_guide_6.html#id36
Basically:
```yaml
- name: Prior to 2.13
debug:
msg: '[1] + {{ [2] }}'
- name: 2.13 and forward
debug:
msg: '{{ [1] + [2] }}'
```
Interestingly, we had been using the new/safe syntax in lofs of places.
We were using the broken one in many others though. Hopefully all
instances were fixed by this patch.
Slavi Pantaleev
Shaleen Jain
László Várady
Marko Weltzer
HarHarLinks
Marcus
Björn Marten