Add channels for additional caching of guix pull.

.dockerignore

@@ -1,2 +1,3 @@
 **
+!channels
 !scripts

Dockerfile

@@ -65,6 +65,9 @@ RUN mkdir -p /gnu/store \
 	&& source $GUIX_PROFILE/etc/profile \
 	&& guix archive --authorize < /root/.config/guix/current/share/guix/ci.guix.gnu.org.pub
 
+# Copy additional channels
+COPY channels/ /root/.config/guix/
+
 # Run pull (https://github.com/docker/buildx/blob/master/README.md#--allowentitlement)
 RUN --security=insecure /entry-point.sh guix pull
 

channels/channels.scm

@@ -0,0 +1,31 @@
+;
+;	MetaCall Guix by Parra Studios
+;	Docker image for using Guix in a CI/CD environment.
+;
+;	Copyright (C) 2016 - 2020 Vicente Eduardo Ferrer Garcia <vic798@gmail.com>
+;
+;	Licensed under the Apache License, Version 2.0 (the "License");
+;	you may not use this file except in compliance with the License.
+;	You may obtain a copy of the License at
+;
+;		http://www.apache.org/licenses/LICENSE-2.0
+;
+;	Unless required by applicable law or agreed to in writing, software
+;	distributed under the License is distributed on an "AS IS" BASIS,
+;	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;	See the License for the specific language governing permissions and
+;	limitations under the License.
+;
+
+(list (channel
+       (name 'guix)
+       (url "https://git.savannah.gnu.org/git/guix.git")
+       (branch "master")
+       (commit "1a9ebe3b0aa12584624dfa811c480c636a56e1b4"))
+; TODO:
+;       (channel
+;        (name 'nonguix)
+;        (url "https://gitlab.com/nonguix/nonguix.git")
+;        (branch "master")
+;        (commit "95adb6ec077dc4139cf7e1956ad5caa1ff08f92b"))
+       )