Fix inconsistency in doctor output (go-gitea#19836)

* Fix inconsistency in doctor output

- Use `logger.Info` instead of `logger.Warn` when no errors were found.

* Update modules/doctor/fix16961.go

Co-authored-by: delvh <dev.lh@web.de>

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

modules/doctor/fix16961.go

@@ -302,7 +302,11 @@ func fixBrokenRepoUnits16961(ctx context.Context, logger log.Logger, autofix boo
 	}
 
 	if !autofix {
-		logger.Warn("Found %d broken repo_units", count)
+		if count == 0 {
+			logger.Info("Found no broken repo_units")
+		} else {
+			logger.Warn("Found %d broken repo_units", count)
+		}
 		return nil
 	}
 	logger.Info("Fixed %d broken repo_units", count)

modules/doctor/mergebase.go

@@ -92,12 +92,14 @@ func checkPRMergeBase(ctx context.Context, logger log.Logger, autofix bool) erro
 	if autofix {
 		logger.Info("%d PR mergebases updated of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
 	} else {
-		if numPRsUpdated > 0 && err == nil {
+		if numPRsUpdated == 0 {
+			logger.Info("All %d PRs in %d repos have a correct mergebase", numPRs, numRepos)
+		} else if err == nil {
 			logger.Critical("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
 			return fmt.Errorf("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
+		} else {
+			logger.Warn("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
 		}
-
-		logger.Warn("%d PRs with incorrect mergebases of %d PRs total in %d repos", numPRsUpdated, numPRs, numRepos)
 	}
 
 	return err