take advantage of the new tag support in circleci 2.0 for releasing o…

…n tags (linkedin#60)

.circleci/config.yml

@@ -38,7 +38,7 @@ jobs:
        - run:
            command: ./gradlew assemble testJar
        - run:
-           command: ./.circleci/publishOnCommitMsg.sh
+           command: ./.circleci/publish.sh
 
 workflows:
   version: 2
@@ -50,4 +50,6 @@ workflows:
             - build
           filters:
             branches:
-              only: master
+              ignore: /.*/
+            tags:
+              only: /^RELEASE.*/

.circleci/publish.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+
+currentTag=`git describe --tags`
+buildVersion=`grep -oP '^[\s]*version[\s]*=[\s]*\K([^\s]*)(?=([\s]*))' gradle.properties`
+
+echo current tag is $currentTag, build version is $buildVersion
+
+if [ "x$currentTag" != "xRELEASE-$buildVersion" ]; then
+  echo "current tag version does not match project version"
+  exit 1
+fi
+
+echo "Publishing a release"
+#./gradlew distributeBuild
+

.circleci/publishOnCommitMsg.sh

@@ -2,9 +2,9 @@
 
 if git log -1 --pretty=%B | grep "^RELEASE.*";
 then
-   echo "Publishing a release"
+   echo "Publishing a release on commit msg"
    ./gradlew distributeBuild
 else
-   echo "Not a release"
+   echo "Not a release by commit msg"
 fi