improved errorhandling of --rule= and --rule-file= / some related cleanups
#14888
| Job | Run time |
|---|---|
| 8m 49s | |
| 5m 26s | |
| 9m 9s | |
| 3m 2s | |
| 8m 2s | |
| 10m 22s | |
| 3m 6s | |
| 2m 57s | |
| 5m 8s | |
| 3m 35s | |
| 2m 50s | |
| 43s | |
| 3m 38s | |
| 45s | |
| 19s | |
| 24s | |
| 19s | |
| 22s | |
| 2m 5s | |
| 32s | |
| 23m 0s | |
| 1h 34m 33s |