CI: add cosmic and disco builds

.gitlab-ci.yml

@@ -92,6 +92,32 @@ build_bionic:
     paths:
       - release/debian/build/*
 
+build_cosmic:
+  script:
+    - BASE=ubuntu:cosmic
+    - img=`echo $BASE | sed s/:/_/`
+    - cd release/debian
+    - docker build --build-arg BASE=$BASE --build-arg REF=`git log -n1 --pretty='%H'` -t $img .
+    - docker run -v $PWD:/mount $img tar -c build | tar x
+  only:
+    - tags
+  artifacts:
+    paths:
+      - release/debian/build/*
+
+build_disco:
+  script:
+    - BASE=ubuntu:disco
+    - img=`echo $BASE | sed s/:/_/`
+    - cd release/debian
+    - docker build --build-arg BASE=$BASE --build-arg REF=`git log -n1 --pretty='%H'` -t $img .
+    - docker run -v $PWD:/mount $img tar -c build | tar x
+  only:
+    - tags
+  artifacts:
+    paths:
+      - release/debian/build/*
+
 build_eoan:
   script:
     - BASE=ubuntu:eoan