Read a file from the working folder of a repository
and write it to the Object Database as a loose blob,
if such doesn't exist yet.
int git_blob_writefile(git_oid *written_id, git_repository *repo, const char *path);
In
written_id
return the id of the written blob
In
repo
repository where the blob will be written
const char *
In
path
file from which the blob will be created