cli: implement enough of jj fix to run a single tool on all files
#1701
| Job | Run time |
|---|---|
| 5m 0s | |
| 6m 46s | |
| 11m 46s |
jj fix to run a single tool on all files
#1701
| Job | Run time |
|---|---|
| 5m 0s | |
| 6m 46s | |
| 11m 46s |