allow using buildback in CI tests #7
+15
−1
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This PR addresses an issue we found while attempting to use this buildpack in heroku CI where the submodule code wasn't being checked out.
in investigating it turns out the
SOURCE_VERSION
variable is not available in CI butHEROKU_TEST_RUN_BRANCH
is so this PR checks ifCI
is true and if so, usesHEROKU_TEST_RUN_BRANCH
variable for the checkout command else uses the existingSOURCE_VERSION
variable.