Execute git-repo for the first time git-repo will perform some initialization tasks on the first execution. See: git config extensions. Running any command will trigger the initialization tasks. $ git repo --version Note: git-repo will be recognized as git subcommand so that we can execute git repo (without a dash). Manual for git-repo Show help message of git-repo: $ git repo -h or $ git repo Show help message of of subcommands of git-repo, see the following examples: