update e2e test

Signed-off-by: atlantisbot <[email protected]>

scripts/e2e-deps.sh

@@ -1,8 +1,18 @@
 #!/usr/bin/env bash
+# requires the following environment variables:
+# - CIRCLE_WORKING_DIRECTORY
+# - TERRAFORM_VERSION
+# - CIRCLE_GO_BIN
+# - GITHUB_USERNAME
+# - NGROK_AUTH_TOKEN
 
 # Exit immediately if a command returns a non-zero code
 set -e
 
+if [ -z "${CIRCLE_GO_BIN}" ]; then
+    CIRCLE_GO_BIN="/home/circleci/go/bin"
+fi
+
 echo "Preparing to run e2e tests"
 if [ ! -f atlantis ]; then
     echo "atlantis binary not found. exiting...."
@@ -16,7 +26,7 @@ cd e2e/
 curl -LOk https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip
 unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip
 chmod +x terraform
-cp terraform /home/circleci/go/bin
+cp terraform ${CIRCLE_GO_BIN}
 # Download ngrok to create a tunnel to expose atlantis server
 wget https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-v2-stable-linux-amd64.zip -O ngrok-stable-linux-amd64.zip
 unzip ngrok-stable-linux-amd64.zip