Since earlier this week our SonarCloud started failing for all PRs and showing the results of what would be our main branch (where the coverage is below the threshold) but either the PRs are not touching code or are covering with Unit Tests, but it is still failing and showing coverage for unrelated files.
Anyone else facing the same issue?
Sonar folks, does anything changed recently that could have caused this?
Update
I see the Sonar Scanner image we use just got updated Releases · SonarSource/sonarcloud-github-action · GitHub not sure it is related.
Update 2
I discarded the hypothesis of a change in the Scanner. Going back a few weeks I see we changed the actions/checkout
parameter fetch-depth: 0
and then I got to realize the warnings about shallow copy in the SonarCloud UI.
I have now rollback to use fetch-depth: 0
but that moves my checkout step from 10 seconds to 10 minutes, I know I can do some pruning on the repository to reduce that time, but still I would like if there is guidance or documentation on what exactly I need to have in place in order for the scanner to work properly?
Does the last commit of the current branch + the PR head commit suffice the requirements? Have anyone done a setup that checks out the minimum necessary for the scanner to run successfully?