cli: implement enough of jj fix to run a single tool on all files
#1699
| Job | Run time |
|---|---|
| 5m 13s | |
| 5m 39s | |
| 10m 52s |
jj fix to run a single tool on all files
#1699
| Job | Run time |
|---|---|
| 5m 13s | |
| 5m 39s | |
| 10m 52s |