rejns@rejns:~$ sudo dpkg -i gitlab_7.6.1-omnibus.5.3.0.ci.1-1_amd64.debdpkg: regarding gitlab_7.6.1-omnibus.5.3.0.ci.1-1_amd64.deb containing gitlab:
 gitlab-ce conflicts with gitlab
  gitlab (version 7.6.1-omnibus.5.3.0.ci.1-1) is to be installed.

dpkg: error processing archive gitlab_7.6.1-omnibus.5.3.0.ci.1-1_amd64.deb (--install):
 conflicting packages - not installing gitlab
Errors were encountered while processing:
 gitlab_7.6.1-omnibus.5.3.0.ci.1-1_amd64.deb