Unable to install gitlab with Debian 8 repository
Gitlab 7.10.4 was released on 2015/05/11 (see release note).
On 2015/05/14, it's still unreachable for a Debian jessie by apt-get install :
$ sudo apt-get install gitlab-ce=7.10.4~omnibus-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Version '7.10.4~omnibus-1' for 'gitlab-ce' was not found