The lookup start from path and walk across parent directories if nothing has been found.
Examples
if (FALSE) { # \dontrun{
## Initialize a temporary repository
path <- tempfile(pattern="git2r-")
dir.create(path)
repo <- init(path)
## Create a user
config(repo, user.name = "Alice", user.email = "alice@example.org")
## Check if path is in a git repository
in_repository(path)
## Check if working directory is in a git repository
setwd(path)
in_repository()
} # }