register-git-cache.sh: let default fetch for REFREPODIR_MODE use git native parallelization per directory (e.g. forks or alternate URLs of same repo), and log clearer when we retry for some reason
register-git-cache.sh: let default fetch for REFREPODIR_MODE use git native parallelization per directory (e.g. forks or alternate URLs of same repo), and log clearer when we retry for some reason

jimklimov/git-scripts