Support multiple release channels (MR 1)

.ci/generate_page.sh

 #!/bin/sh -ex
 
+export BRANCHES="master v20.05"
+
 mkdir -p public
 
-if [ -e upstream-compat.check-passed ]; then
+passed=1
+
+for BRANCH in $BRANCHES; do
+	if ! [ -e upstream-compat-"$BRANCH".check-passed ]; then
+		passed=0
+		break
+	fi
+done
+
+if [ "$passed" -eq 1 ]; then
 	cp badges/upstream-compat-passed.svg public/upstream-compat.svg
 else
 	cp badges/upstream-compat-failed.svg public/upstream-compat.svg

.gitlab-ci.yml

@@ -33,22 +33,28 @@ flake8:
   script:
   - ".ci/flake8.sh"
 
-upstream-compat:
+upstream-compat-master:
   stage: check
   <<: *only-default
   allow_failure: true
   script:
-  - wget "https://gitlab.com/postmarketOS/ci-common/-/raw/master/install_pmbootstrap.sh"
-  - sh ./install_pmbootstrap.sh pytest
-  - ln -s /tmp/pmbootstrap/pmb .
-  - export PMAPORTS="/home/pmos/.local/var/pmbootstrap/cache_git/pmaports"
-  - pytest -vv test_upstream_compat.py
-  - touch upstream-compat.check-passed
+  - ./test_upstream_compat_setup.sh "master"
   artifacts:
     when: always
     paths:
     - "*.check-passed"
 
+upstream-compat-v20.05:
+  stage: check
+  <<: *only-default
+  allow_failure: true
+  script:
+  - ./test_upstream_compat_setup.sh "v20.05"
+  artifacts:
+    when: always
+    paths:
+      - "*.check-passed"
+
 pages:
   stage: badge
   <<: *only-default

test_upstream_compat_setup.sh

+#!/bin/sh -ex
+
+wget "https://gitlab.com/postmarketOS/ci-common/-/raw/master/install_pmbootstrap.sh"
+sh ./install_pmbootstrap.sh pytest
+ln -s /tmp/pmbootstrap/pmb .
+export PMAPORTS="/home/pmos/.local/var/pmbootstrap/cache_git/pmaports"
+git -C "$PMAPORTS" checkout "$1"
+pytest -vv test_upstream_compat.py
+touch upstream-compat-"$1".check-passed