create template branch

.travis.yml

@@ -1,24 +1,35 @@
-sudo: true
+os: linux
 
-language: bash
+language: shell
+
+branches:
+  only:
+    - <baseimagename>-<modname> #replace variables, omit brackets
 
 services:
   - docker
 
 env:
   global:
-    - DOCKERHUB="user/endpoint"
+    - DOCKERHUB="linuxserver/mods" #don't modify
+    - BASEIMAGE="baseimagename" #replace
+    - MODNAME="modname" #replace
 
 jobs:
   include:
+    - stage: PR-BuildImage
+      if: (type IN (pull_request))
+      script:
+        # Build image
+        - docker build --no-cache -t ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}-${TRAVIS_COMMIT} .
     - stage: BuildImage
       if: (NOT (type IN (pull_request)))
       script:
         # Build image
-        - docker build --no-cache -t ${DOCKERHUB}:${TRAVIS_COMMIT} .
-        - docker tag ${DOCKERHUB}:${TRAVIS_COMMIT} ${DOCKERHUB}:latest
+        - docker build --no-cache -t ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}-${TRAVIS_COMMIT} .
+        - docker tag ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}-${TRAVIS_COMMIT} ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}
         # Login to DockerHub
         - echo $DOCKERPASS | docker login -u $DOCKERUSER --password-stdin
         # Push all of the tags
-        - docker push ${DOCKERHUB}:${TRAVIS_COMMIT}
-        - docker push ${DOCKERHUB}:latest
+        - docker push ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}-${TRAVIS_COMMIT}
+        - docker push ${DOCKERHUB}:${BASEIMAGE}-${MODNAME}