Circleci 2.0 (#315)

* Fixes ci scripts and updates circleci to 2.0

.circleci/config.yml

@@ -1,20 +1,24 @@
 version: 2.0
 
+checkout:
+  post:
+    - ./ci-support/checkout_merge_commit.sh
+
 jobs:
   build:
     macos:
       xcode: "9.2.0"
     steps:
+      - checkout
       - run:
-          name: Pre install script for mac OS
+          name: debug
           command: |
-            ls
-            pwd
-            bash vcdat/ci-support/circleci_mac_machine_pre.sh
+            echo $PATH > path_file
+            cat path_file
       - run:
-          name: Checkout merge commit
+          name: Pre install script for mac OS
           command: |
-            ./ci-support/checkout_merge_commit.sh
+            bash ./ci-support/circleci_mac_machine_pre.sh
       - run:
           name: Install dependencies
           command: |

ci-support/circleci_mac.sh

@@ -1,6 +1,16 @@
+
+# Exit script if you try to use an uninitialized variable.
+set -o nounset
+
+# Exit script if a statement returns a non-true return value.
+set -o errexit
+
+# Use the error status of the first failure, rather than that of the last item in a pipeline.
+set -o pipefail
+
 export UVCDAT_ANONYMOUS_LOG=False
-export UVCDAT_SETUP_PATH=${HOME}
 export PATH=${HOME}/miniconda/bin:${PATH}
+
 cd frontend
 npm install
 cd ..
@@ -9,9 +19,9 @@ cd frontend
 npm run coverage
 RESULT=$?
 npm run coveralls
-RESULT=$RESULT + $?
+RESULT=$(($RESULT + $?))
 cd ..
-echo "test commands exit result:",$RESULT
+echo "test commands exit result: $RESULT"
 if [ $RESULT -eq 0 -a $CIRCLE_BRANCH == "master" ]; then conda install -n root conda-build anaconda-client ; fi
 if [ $RESULT -eq 0 -a $CIRCLE_BRANCH == "master" ]; then bash ./ci-support/conda_upload.sh ; fi
 exit $RESULT