Merge branch 'lo/repo-info'

A new subcommand "git repo" gives users a way to grab various
repository characteristics.

* lo/repo-info:
  repo: add the --format flag
  repo: add the field layout.shallow
  repo: add the field layout.bare
  repo: add the field references.format
  repo: declare the repo command

meson.build

@@ -645,6 +645,7 @@ builtin_sources = [
   'builtin/repack.c',
   'builtin/replace.c',
   'builtin/replay.c',
+  'builtin/repo.c',
   'builtin/rerere.c',
   'builtin/reset.c',
   'builtin/rev-list.c',