`sl histedit` is very similar to `git rebase -i` if you're famiilar with that interface which works just fine.
Other commands useful for amending changes to previous commits:
* `sl goto --merge <hash>` - if theres no conflicts you can just switch commits with pending changes and those pending changes would be applied on top of other commit. If there are conflicts this command would fail https://sapling-scm.com/docs/commands/goto
Other commands useful for amending changes to previous commits:
* `sl goto --merge <hash>` - if theres no conflicts you can just switch commits with pending changes and those pending changes would be applied on top of other commit. If there are conflicts this command would fail https://sapling-scm.com/docs/commands/goto
* `sl absorb` - this automagically finds the last commit that touched the lines that are pending and amends that commit with them https://sapling-scm.com/docs/commands/absorb