Get the signature according to the repository's configuration
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")
## Get the default signature
default_signature(repo)
## Change user
config(repo, user.name = "Bob", user.email = "bob@example.org")
## Get the default signature
default_signature(repo)
} # }