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You must use the checkboxes to confirm:
The instance will be reset and all existing data will be deleted.
The Push/Pull user configured on the Git Instance Settings page has the correct permissions for the repository to be used to reset the IguanaX instance.
Provide the Git URL of the repository to be used to pull down and overwrite the IguanaX instance configurations. The URL can be either:
HTTPS URL: e.g.,
https://admin@bitbucket.org/admin/win_iguana_instance.git
SSH URL: e.g.,
ssh://git@bitbucket.org/admin/iguana_instance.git