On Thu, Jul 22 2021, BENTZ Sylvain wrote: > Oh I wasn't aware of this when I initialized my MWE repo, from git-config[1]: > > By default, git-rerere[1] is enabled if there is an rr-cache directory under > the $GIT_DIR, e.g. if "rerere" was previously used in the repository. > > The correct MWE requires to enable rerere: > > git config rerere.enabled true I think the patch I posted at the end of https://lore.kernel.org/git/87v96p4w3f.fsf@xxxxxxxxxxxxxxxxxxx/ should might catch this, i.e. the "could not copy" error.