use custom lock command

.circleci/config.yml

@@ -84,6 +84,56 @@ references:
       name: Reset package-lock.json
       command: git checkout -- package-lock.json
 
+commands:
+  # for of dynamo-lock/lock that specifies no_output_timeout
+  dynamo-lock_lock:
+    parameters:
+      ttl:
+        description: TTL of lock in seconds
+        type: integer
+        default: 600
+      table:
+        description: DynamoDB table for locks
+        type: string
+        default: ci_locks
+      lock_name:
+        description: >-
+          Name of the lock to acquire
+
+          This name affects which builds lock against each other. The default will
+          lock branches on the same project and the same branch. If you'd like to
+          lock all builds in a project, you could use
+          `${CIRCLE_PROJECT_USERNAME}_${CIRCLE_PROJECT_REPONAME}`
+        type: string
+        default: ${CIRCLE_PROJECT_USERNAME}_${CIRCLE_PROJECT_REPONAME}_${CIRCLE_BRANCH}
+      branches:
+        description: >-
+          Branch regex to limit locking on
+
+          This is a bash regex, so keep in mind that short escape sequences won't
+          work (eg `\d` - use `[0-9]` instead). The lock commands will only be
+          effective on branches matching this regex.
+        type: string
+        default: master|develop
+    steps:
+      - run:
+          name: Acquire lock
+          no_output_timeout: << parameters.ttl >>s
+          command: |-
+            if [[ "$CIRCLE_BRANCH" =~ << parameters.branches >> ]]; then
+              [[ -x "/tmp/dynolocker_linux_amd64" ]] || echo 'Please call "setup" first'
+
+              /tmp/dynolocker_linux_amd64 \
+                --debug \
+                --table "<< parameters.table >>" \
+                --name "<< parameters.lock_name >>" \
+                --ttl << parameters.ttl >> \
+                lock
+            else
+              echo "Skipping lock due to excluded branch"
+            fi
+
+
 jobs:
   simple_test:
     parallelism: 1
@@ -126,10 +176,9 @@ jobs:
       - *npm_install
       - dynamo-lock/setup:
           branches: '.*'
-      - dynamo-lock/lock:
+      - dynamo-lock_lock:
           lock_name: << pipeline.parameters.browserstack_lock_name >>
           ttl: << pipeline.parameters.lock_timeout_seconds >>
-          no_output_timeout: << pipeline.parameters.lock_timeout_seconds >>s
           branches: '.*'
       - run:
           name: Run browserstack tests