build for multiple JDKs on travis (#13)

* build for multiple JDKs on travis

* Update DefaultsPlugin

Author: LunNova

.editorconfig

@@ -10,3 +10,6 @@ insert_final_newline = true
 charset = utf-8
 indent_style = tab
 indent_size = 4
+
+[*.yml]
+indent_size = 2

.travis.yml

@@ -2,41 +2,55 @@
 # https://docs.travis-ci.com/user/customizing-the-build/
 
 # Speed up build with travis caches
-# https://docs.travis-ci.com/user/languages/java/#Caching
-before_cache:
-# remove cached SNAPSHOT dependencies
-  - find $HOME/.gradle/caches/modules-2 -name \*-SNAPSHOT -type d -exec rm -rf {} +
-# these are changed every build and can't be cached
-  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -f  $HOME/.gradle/caches/modules-2/metadata-*/*.bin
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-  - rm -fr $HOME/.gradle/caches/*/scripts/
-  - rm -fr $HOME/.gradle/caches/*/scripts-remapped/
-  - rm -fr $HOME/.gradle/caches/*/fileHashes/
-  - rm -fr $HOME/.gradle/caches/transforms-1/transforms-1.lock
 cache:
   directories:
-    - $HOME/.gradle/caches/
+    - $HOME/.gradle/caches/modules-2/
     - $HOME/.gradle/wrapper/
 
+# Remove often changing files to prevent cache re-upload on no changes in dependencies
+before_cache:
+  # pom, xml and jar files are known not to change
+  # assume non-whitelisted extensions are changing
+  # (this will include .lock, .bin, .metadata and potential future additions to gradle's caches folder)
+  - find $HOME/.gradle/caches/modules-2 -type f -not \( -iname \*.pom -o -iname \*.jar -o -iname \*.xml \) -delete
+  # xml files which change
+  - find $HOME/.gradle/caches/modules-2 -name ivy.xml -delete
+  # remove left over empty directories
+  - find $HOME/.gradle/caches/modules-2 -type d -empty -delete
+
 language: java
 
 jdk:
   - openjdk8
+  - openjdk11
+  - openjdk12 # TODO unsupported, remove soon?
+  - openjdk13
 
 #Skipping install step to avoid having Travis run arbitrary './gradlew assemble' task
 # https://docs.travis-ci.com/user/customizing-the-build/#Skipping-the-Installation-Step
 install:
   - true
 
-#Only build master branch on push
+#Don't build tags
 branches:
   only:
-  - master
+    - master
+  except:
+    - /^v\d/
 
 #Build and perform release (if needed)
 script:
-  - ./gradlew build -s && ./gradlew ciPerformRelease
+  - ./gradlew build -s
+
+deploy:
+  provider: script
+  script: ./gradlew ciPerformRelease
+  edge: true
+  cleanup: false
+  on:
+    jdk: openjdk12
+    branch: master
+
 
 after_success:
   #Generates coverage report:

build.gradle

@@ -3,7 +3,7 @@ buildscript {
 		jcenter()
 		maven { url "https://plugins.gradle.org/m2/" }
 	}
-	dependencies { classpath 'org.minimallycorrect.gradle:DefaultsPlugin:0.0.41' }
+	dependencies { classpath 'org.minimallycorrect.gradle:DefaultsPlugin:0.0.44' }
 }
 plugins {
 	id 'java'