fix: parameter expansion using circleci env subst (#71)

.circleci/test-deploy.yml

@@ -58,6 +58,22 @@ workflows:
  - run:
  command: |
  echo "Digest is: $(</tmp/digest.txt)"
+ - gcp-gcr/build-and-push-image:
+ name: build-and-push-with-env-var
+ registry-url: us.gcr.io
+ image: ${CIRCLE_PROJECT_REPONAME}
+ tag: ${CIRCLE_SHA1:0:7}.$CIRCLE_BUILD_NUMBER
+ digest-path: /tmp/digest.txt
+ path: ~/project/sample/
+ docker-context: ~/project/sample/
+ context: cpe-gcp
+ filters: *filters
+ requires:
+ - integration-test
+ post-steps:
+ - run:
+ command: |
+ echo "Digest is: $(</tmp/digest.txt)"
  - orb-tools/pack:
  filters: *release-filters
  - orb-tools/publish:
@@ -70,5 +86,6 @@ workflows:
  - orb-tools/pack
  - integration-test
  - build-and-push
+ - build-and-push-with-env-var
  context: orb-publisher
  filters: *release-filters

src/scripts/push-image.sh

@@ -1,15 +1,23 @@
 #!/bin/bash 
 
+ORB_VAL_REGISTRY_URL="$(circleci env subst "$ORB_VAL_REGISTRY_URL")"
+ORB_VAL_IMAGE="$(circleci env subst "$ORB_VAL_IMAGE")"
+ORB_VAL_DIGEST_PATH="$(circleci env subst "$ORB_VAL_DIGEST_PATH")"
+
 IFS="," read -ra DOCKER_TAGS <<< "$ORB_EVAL_TAG"
 PROJECT_ID="${!ORB_ENV_PROJECT_ID}"
 
 for tag_to_eval in "${DOCKER_TAGS[@]}"; do
  TAG=$(eval echo "$tag_to_eval")
+ set -x
  docker push "$ORB_VAL_REGISTRY_URL/$PROJECT_ID/$ORB_VAL_IMAGE:$TAG"
+ set +x
 done
 
 if [ -n "$ORB_VAL_DIGEST_PATH" ]; then
  mkdir -p "$(dirname "$ORB_VAL_DIGEST_PATH")"
  SAMPLE_FIRST=$(eval echo "${DOCKER_TAGS[0]}")
+ set -x
  docker image inspect --format="{{index .RepoDigests 0}}" "$ORB_VAL_REGISTRY_URL/$PROJECT_ID/$ORB_VAL_IMAGE:$SAMPLE_FIRST" > "$ORB_VAL_DIGEST_PATH"
+ set +x
 fi