Install app from Gitlab instead of Github. Is it possible?

It seems this was a known issue and has been fixed in frappe-bench v5.7.4. Upgrade frappe-bench and there should be no issue.

Upgrade bench using :

$ pip install -U frappe-bench

References:

  1. Bench get-app bitbucket requires github account - #4 by gavindsouza
  2. Bench get-app always use github.com even if we use different git server such as gitlab · Issue #1228 · frappe/bench · GitHub