Make internal api work with full repo path and name

What does this MR do?

Make internal api work with full repo path and name

Why was this MR needed?

So we can pass full repository path on filesystem from gitlab-shell instead of extracted one. We need this for nested groups support where project is can be nested under several groups.

What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ce/issues/2772

This MR should not break or change anything in way how it works now but allow GitLab work with current gitlab-shell and gitlab-shell v4(https://gitlab.com/gitlab-org/gitlab-shell/merge_requests/102)

@smcgivern can you please review?

Reassigned to @smcgivern

@dzaporozhets makes sense to me, one comment on the details of how we do this!

Reassigned to @dzaporozhets

Added 1 commit:

• 440604ad - Refactor storage path extraction from full repo path

Compare with previous version

@smcgivern should be better now

Resolved all discussions

@dzaporozhets LGTM, nice fix

Enabled an automatic merge when the build for 440604ad succeeds

Mentioned in merge request gitlab-shell!102 (merged)

Status changed to merged

Mentioned in commit b7d3fc15

Mentioned in issue #24230 (closed)

Mentioned in issue #24496 (closed)

Mentioned in merge request !7480 (merged)

Mentioned in merge request !7485 (closed)