unite: All grafts are done to the first repo. (!556) · Merge requests · Eric S. Raymond / reposurgeon

This is !555 (closed) with fixed tests. It changes the 3 repo grafting logic from grafting to commits on any repo as shown here:

To grafting to commits on first repo only:

It also attaches repos to the last commit with equal timestamp if timestamps are equal. As described in !554 (merged) this goes from:

To:

(assuming that commits msg1-msg4 and echo#1 share the same timestamp)

unite: All grafts are done to the first repo.