Sonar Cloud crashes on External PRs

[tkowark]

Describe the bug

When running Sonar Cloud for external PRs, the CircleCI build crashes as information about the branches is not properly handed over by (most likely) SonarCloud.

Expected behaviour

Sonar Cloud should be skipped for external PRs o SonarCloud should fail silently (as it does for, for example, cwa-server)

Steps to reproduce the issue

#515

Possible Fix

#373

[pr1metine]

It looks like SonarCloud still crashes on community PRs, see #655 #692 .

[tkowark]

It seems that your .circle/config.yml differs from the one in master and dev of the cwa-app-android repo. In particular, this line is missing, which prevents sonar-scanner from running on external PRs. Could you please fetch all upstream changes from the repo?

[pr1metine]

Hmm, I see.

Someone else did that for me. Now I am unauthorized to do anything after I tried to commit changes, see #695 .