ci: add basic integration test for pmb

Yes, I know this is crude/basic, but others are welcome to improve it later. I think we need some integration testing asap, and this is better than nothing :D

.ci/integration.sh

@@ -10,14 +10,10 @@ pmaports="$(cd "$(dirname "$0")"/..; pwd -P)"
 # Make sure that the work folder format is up to date, and that there are no
 # mounts from aborted test cases (pmbootstrap#1595)
 echo "Initializing pmbootstrap"
-if ! "yes '' | ./pmbootstrap.py \
-		--details-to-stdout \
-		init \
-		>/tmp/pmb_init 2>&1"; then
-	cat /tmp/pmb_init
+yes '' | ./pmbootstrap.py --details-to-stdout init
 
 ./pmbootstrap.py work_migrate
-./pmbootstrap.py config aports "$pmaports"
+# ./pmbootstrap.py config aports "$pmaports"
 ./pmbootstrap.py -q shutdown
 
 # TODO: make device configurable?
@@ -27,8 +23,10 @@ ui="phosh"
 ./pmbootstrap.py config device "$device"
 ./pmbootstrap.py config ui "$ui"
 
+# NOTE: --no-image is used because building images makes pmb try to
+# "modprobe loop". This fails in CI.
 echo "Building $ui image for $device"
-./pmbootstrap.py -y install --zap --password 147147
+./pmbootstrap.py -y install --zap --password 147147 --no-image
 
 echo "Building $ui image for $device, with FDE"
-./pmbootstrap.py -y install --zap --password 147147 --fde
+./pmbootstrap.py -y install --zap --password 147147 --fde --no-image