Update publish step (#24)

* Republish nielsen dcr

* Update publish step

Author: CarlosMecha

Makefile

@@ -88,9 +88,19 @@ test-all: install
 
 # Publish updated integrations
 publish:
-	@for integration in $(shell $(OPERATIONS_PREFIX)list-new-releases); do \
+ifneq ($(shell git rev-parse --abbrev-ref HEAD),master)
+	$(error Publish is just allowed from master)
+endif
+
+	$(eval export INTEGRATIONS := $(shell $(OPERATIONS_PREFIX)list-new-releases))
+ifneq ($(INTEGRATIONS),)
+	@echo Publishing $(INTEGRATIONS)
+	@for integration in $(INTEGRATIONS); do \
 		npm publish integrations/$$integration; \
 	done
+else
+	@echo Nothing to publish
+endif
 
 .PHONY: publish
 

README.md

@@ -6,3 +6,9 @@
 ## License
 
 Released under the [MIT license](LICENSE).
+
+
+## Pull Requests and releases
+
+Make sure your PR includes the new version in `package.json`. When the PR gets
+merged, it will automatically be published.

integrations/nielsen-dcr/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@segment/analytics.js-integration-nielsen-dcr",
   "description": "The Nielsen DCR analytics.js integration.",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "keywords": [
     "analytics.js",
     "analytics.js-integration",