Elijah: It seems filter-repo can be used to easily reorder commits, but I'm not able to quite figure out how to do it with callbacks. My goal is: - keep the cover letter at the start of the series in order to cleanly delineate where their work starts (and thus avoid potential problems with rebases and finding fork-points with base branches, which tends to give newbies trouble) - when the author is ready to submit their work, move the cover letter to the tip of the branch and tag it as "foo-bar-v1" - when the author is ready to work on their changes, they run --reroll and we move the cover letter back to the start of the series, adding any necessary template "changes in vX" entries to it (or maybe it will go completely differently -- it's all very fluid right now) Basically, is git-filter-repo the right tool to reorder commits, or is it best to go directly with fast-export/fast-import? Thanks in advance, Konstantin