tag を打った時の build で version を tag 名にする

Author: katagiri-kazumune

.circleci/config.yml

@@ -188,3 +188,12 @@ jobs:
           paths:
             - "~/.gradle"
             - "~/.m2"
+
+workflows:
+  version: 2
+  all:
+    jobs:
+      - build:
+          filters:
+            tags:
+              only: /.*/

gradle/version.gradle

@@ -21,6 +21,10 @@ version = new SimpleDateFormat('yyyyMMdd').format(new Date()) + "-" + revision +
 	(git.branch.current.name != "master" ? "-SNAPSHOT" : "") +
 	(git.status().isClean() ? "" : "+dirty")
 
+if (System.getenv('CIRCLE_TAG') != null) {
+	version = System.getenv('CIRCLE_TAG')
+}
+
 task showVersion {
 	doLast {
 		println version