Sonar cannot be run on PR from a fork

[Colin]

This is not possible out-of-the-box, but some users have found a workaround.

How to use SonarCloud with a forked repository on GitHub?

Hello all– After much struggle, we now have a Github repo that can run SonarCloud analysis on pull requests from forks. The trick is the “workflow_run” feature from Github Actions: In short, you need 2 separate Github Actions: Build step - Build your project, run tests, upload code coverage. This step does not have access to any Github secrets such as SONAR_TOKEN. Sonar step - Download code coverage from previous step, and run the SonarCloud analysis. This step does have access to SONAR_…

You may also want to vote on this roadmap item here: https://portal.productboard.com/sonarsource/1-sonarcloud/c/50-sonarcloud-analyzes-external-pull-request