ace-overlay/README.md

With Gentoo repos.conf:

sudo /bin/bash -c 'echo "[ace-overlay]
location = /usr/local/portage/ace-overlay
sync-type = git
sync-uri = http://git.lan/ace/ace-overlay.git
auto-sync = yes
clone-depth = 0" > /etc/portage/repos.conf/ace-overlay.conf'

With Layman:

curl -k --request GET "https://gitlab/api/v4/projects/2/repository/files/ace-overlay.xml?ref=master" 2>/dev/null | python2.7 -c 'import sys, json, base64; print base64.standard_b64decode(json.load(sys.stdin)["content"])' > /tmp/ace-overlay.xml

sudo layman -o file:///tmp/ace-overlay.xml -f -a ace-overlay