Options:
avatar.url - the location of avatar images containing %s, which will then be replaced by the username. Required.avatar.changeUrl - the URL shown in Gerrit's user settings to tell the user, where the avatar can be changed. Optional.avatar.sizeParameter - URL parameter with ${size} placeholder to forward the preferred image size to the avatar provider. Optional.Example (to be added to etc/gerrit.config):
[avatar]
url = http://example.org/avatars/%s.jpg
changeUrl = http://example.org/account.html
sizeParameter = s=${size}x${size}
Please note that http:// URLs will be automatically rewritten to https://, if gerrit.canonicalWebUrl uses HTTPS.