do jaffle_shop clone in docker img and git pull as part of the test script

Author: codeforkjeff

Dockerfile

@@ -20,4 +20,9 @@ RUN pip install dbt==0.21.1
 # I think it's intended for the forthcoming 1.0.0 dbt release?
 RUN pip install pytest-dbt-adapter==0.5.1
 
+# dbt-sqlite overrides some stuff pertaining to 'docs generate'
+# so exercise it using jaffle_shop repo
+
+RUN cd /root && git clone https://github.com/dbt-labs/jaffle_shop.git
+
 ENTRYPOINT ["./run_tests.sh"]

run_tests.sh

@@ -12,11 +12,11 @@ pytest test/sqlite.dbtspec
 # dbt-sqlite overrides some stuff pertaining to 'docs generate'
 # so exercise it using jaffle_shop repo
 
-cd /tmp
+cd /root/jaffle_shop
 
-git clone https://github.com/dbt-labs/jaffle_shop.git
+git pull
 
-cd /tmp/jaffle_shop
+mkdir -p /tmp/jaffle_shop
 
 mkdir -p /root/.dbt