`devtools::install()` fails on created package

[thibautjombart]

I get:

> install()
Installing projections
'/usr/local/lib/R/bin/R' --no-site-file --no-environ --no-save --no-restore  \
  --quiet CMD INSTALL '/home/thibaut/dev/recon/projections'  \
  --library='/usr/local/lib/R/site-library' --install-tests 

* installing *source* package ‘projections’ ...
** R
** tests
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded
* DONE (projections)
Error in git_branch(path = x$path) : 
  trying to get slot "name" from an object of a basic class ("NULL") with no slots

[dirkschumacher]

Works for me.