Revision and Commit
Create a new revision based on the current tip of main
jj new mainChange commit message
jj describe -m "message"jj commit is just jj describe followed by jj new.
Abandon a revision:
jj abandon <rev ID>@ Vs Git’s HEAD
In jj, @ is a special character of “whatever content the working copy reflect.” This is different from git’s HEAD, which always point to a commit, but jj’s @ may contains uncommited changes. 1