Merge pull request #4 from github/update-ci

Update CI to build codeql-learninglab-check too

Author: Sam Lanning

courses/cpp/ctf-segv/image/.gitignore

@@ -1 +1 @@
-/event.json
+/tmp

courses/cpp/ctf-segv/image/test.sh

@@ -6,22 +6,22 @@ set -e
 set -x
 
 TMP=$PWD/tmp
+# Extract the expected parent tag from course Dockerfile
+PARENT_TAG=$(head -n 1 Dockerfile | awk -F ' ' '{print $2}')
 TAG=ci-test
 
-docker login docker.pkg.github.com -u github-actions -p ${GITHUB_TOKEN}
+# Build codeql-learninglab-check
+docker build -t $PARENT_TAG ../../../../codeql-learninglab-check
 
+# Build course image
 docker build -t $TAG .
 
-
+# Prepare temporary folder to mount into docker
 mkdir -p $TMP
 cp -R ../answers $TMP/answers
+echo "{}" > $TMP/event.json
 
-# Create event file
-cat <<EOT > tmp/event.json
-{
-}
-EOT
-
+# Run docker image
 docker run -i \
   -e GITHUB_EVENT_NAME=push \
   -e GITHUB_EVENT_PATH=/opt/tmp/event.json \