If you are in a position to install the development version of git2r, that
is worth a shot.
devtools is calling git2r, which uses libgit2 (among other things), not the
system Git you are probably using when you "push to GitHub".
Your difficulty has a lot in common with this issue:
https://github.
I am trying to (re)submit my package to CRAN using devtools::release(), which I
have been doing for a couple of years without any serious glitches. I just
updated to R 3.5.0 and am using RStudio 1.1.447. I am wondering if this new
error I am getting is known to others: ERROR: Error in 'git2r_re