usage: git2 [--help] [-c <key=value>] [--config-env=<key=value>] [--no-pager]
             [--version] <command> [<args>...]

These are the git2 commands available:

   blame        Show the origin of each line of a file
   cat-file     Display an object in the repository
   clone        Clone a repository into a new directory
   config       View or set configuration values
   hash-object  Hash a raw object and product its object ID
   help         Display help information
   index-pack   Create an index for a packfile
   init         Create a new git repository

See 'git2 help <command>' for more information on a specific command.