On vr, 2016-09-02 at 18:23 +0200, Johannes Schindelin wrote: > This is crucial to improve performance on Windows, as the speed is now > mostly dominated by the SHA-1 transformation (because it spawns a new > rev-parse process for *every* line, and spawning processes is pretty > slow from Git for Windows' MSYS2 Bash). I see these functions only used as part of an shorten-edit-expand sequence. Why not do a git rebase-helper --edit-todo instead? Saves another few process spawnings. Something for yet another later followup patch? D.