instalation gitlab shell problem
$ bundle exec rake gitlab:shell:install[v2.6.3] REDIS_URL=unix:/usr/home/kwachu/redis.sock RAILS_ENV=production
WARNING: This version of GitLab depends on gitlab-shell 2.6.3, but you're running Unknown. Please update gitlab-shell.
fatal: Not a git repository (or any parent up to mount point /usr/home)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
fatal: Not a git repository (or any parent up to mount point /usr/home)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
fatal: Not a git repository (or any parent up to mount point /usr/home)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).