Add mender-image-tests as a submodule like in meta-mender.

This makes it a bit more explicit that it is part of the testing
files. It follows the same pattern as in meta-mender with pulling
automatically, and using `--no-pull` to disable it.

Changelog: None

Signed-off-by: Kristian Amlie <kristian.amlie@northern.tech>

.gitignore

@@ -2,7 +2,6 @@ deploy
 input
 work
 rootfs_overlay_demo/*
-tests
 mender_local_config
 *.xml
 *.html

.gitlab-ci.yml

@@ -7,6 +7,7 @@ variables:
   MENDER_CLIENT_VERSION: master
   RASPBIAN_URL: http://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2019-09-30/2019-09-26-raspbian-buster-lite.zip
   RASPBIAN_NAME: 2019-09-26-raspbian-buster-lite
+  MENDER_IMAGE_TESTS_REV: master
 
   DEBIAN_FRONTEND: noninteractive
 
@@ -62,9 +63,11 @@ test_acceptance:
     - tar xzf deploy.tar.gz
     # Extract converted Raspbian artifacts
     - unxz deploy/raspberrypi-${RASPBIAN_NAME}-mender-${MENDER_CLIENT_VERSION}.sdimg.xz
+    # Set submodule to correct version
+    - ( cd tests/mender-image-tests && git submodule update --init --remote && git checkout origin/${MENDER_IMAGE_TESTS_REV} )
   script:
-    - ./scripts/test/run-tests.sh --prebuilt-image raspberrypi ${RASPBIAN_NAME}-mender-${MENDER_CLIENT_VERSION}
-    - ./scripts/test/run-tests.sh --all
+    - ./scripts/test/run-tests.sh --no-pull --prebuilt-image raspberrypi ${RASPBIAN_NAME}-mender-${MENDER_CLIENT_VERSION}
+    - ./scripts/test/run-tests.sh --no-pull --all
   artifacts:
     expire_in: 2w
     when: always

.gitmodules

@@ -0,0 +1,5 @@
+[submodule "tests/mender-image-tests"]
+	path = tests/mender-image-tests
+	url = https://github.com/mendersoftware/mender-image-tests
+	branch = master
+	ignore = all

scripts/test/run-tests.sh

@@ -3,7 +3,7 @@
 set -e
 
 usage() {
-  echo "$0 <--all | --prebuilt-image DEVICE_TYPE IMAGE_NAME>"
+  echo "$0 [--no-pull] <--all | --prebuilt-image DEVICE_TYPE IMAGE_NAME>"
   exit 1
 }
 
@@ -37,12 +37,11 @@ source $UTILS_PATH
 # Some distros do not have /sbin in path for "normal users"
 export PATH="${PATH}:/sbin"
 
-if [ ! -d ${WORKSPACE}/mender-image-tests ]; then
-  git clone https://github.com/mendersoftware/mender-image-tests ${WORKSPACE}/mender-image-tests
+if [ "$1" = "--no-pull" ]; then
+  shift
 else
-  cd ${WORKSPACE}/mender-image-tests
-  git pull
-  cd -
+  echo "Automatically pulling submodules. Use --no-pull to disable"
+  git submodule update --init --remote
 fi
 
 mkdir -p ${WORKSPACE}

tests/mender-image-tests

@@ -0,0 +1 @@
+Subproject commit f786ad5d5e05f4e9e37667d58f12102ee9b7181c