Merge pull request #266 from Financial-Times/matth/prerelease-dist-tag

Publish prereleases under 'pre-release' tag not latest

.circleci/config.yml

@@ -153,22 +153,17 @@ jobs:
           name: shared-helper / npm-store-auth-token
           command: .circleci/shared-helpers/helper-npm-store-auth-token
       - run:
-          name: Extract tag name and version number
+          name: Bump version number
           command: |
             # https://circleci.com/docs/2.0/env-vars/#using-bash_env-to-set-environment-variables
             export PRERELEASE_SEMVER='v0\.[0-9]{1,2}\.[0-9]{1,2}(-[a-z]+\.[0-9])?'
             export TARGET_VERSION=$(echo $CIRCLE_TAG | grep -o -E $PRERELEASE_SEMVER);
             export TARGET_MODULE=$(echo $CIRCLE_TAG | sed -E "s/-${PRERELEASE_SEMVER}//g");
-            echo "export TARGET_VERSION=$TARGET_VERSION" >> $BASH_ENV;
-            echo "export TARGET_MODULE=$TARGET_MODULE" >> $BASH_ENV;
             echo "Creating prerelease ${TARGET_VERSION} for ${TARGET_MODULE}";
-      - run:
-          name: Bump version
-          command: |
             npx athloi -F ${TARGET_MODULE} version ${TARGET_VERSION};
       - run:
           name: NPM publish
-          command: npx athloi -F ${TARGET_MODULE} publish -- --access=public
+          command: npx athloi -F ${TARGET_MODULE} publish -- --access=public --tag=pre-release
 
   deploy:
     <<: *container_config_node8