Test against stable14 for now

Signed-off-by: Joas Schilling <coding@schilljs.com>

.drone.yml

@@ -17,7 +17,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-19
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -35,7 +35,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-19
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -51,7 +51,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-19
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -67,7 +67,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-19
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -87,7 +87,7 @@ pipeline:
     image: nextcloudci/php7.1:php7.1-16
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -107,7 +107,7 @@ pipeline:
     image: nextcloudci/php7.2:php7.2-12
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
       - DB=sqlite
     commands:
       # Pre-setup steps
@@ -127,7 +127,7 @@ pipeline:
     image: nextcloudci/php7.1:php7.1-16
     environment:
       - APP_NAME=spreed
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable14
     commands:
       # Pre-setup steps
       - wget https://raw.githubusercontent.com/nextcloud/travis_ci/master/before_install.sh
@@ -153,10 +153,13 @@ pipeline:
         TESTS: jsunit
   acceptance-chat:
     image: nextcloudci/acceptance-php7.1:acceptance-php7.1-2
+    environment:
+      - APP_NAME=spreed
+      - CORE_BRANCH=stable14
     commands:
       # Pre-setup steps
-      - git clone --depth 1 -b master https://github.com/nextcloud/server ../server
-      - cp -R . ../server/apps/spreed
+      - git clone --depth 1 -b $CORE_BRANCH https://github.com/nextcloud/server ../server
+      - cp -R . ../server/apps/$APP_NAME
       - cd ../server
       - git submodule update --init
       - ln --symbolic `pwd` /var/www/html
@@ -168,10 +171,13 @@ pipeline:
         TESTS-ACCEPTANCE: chat
   acceptance-conversation:
     image: nextcloudci/acceptance-php7.1:acceptance-php7.1-2
+    environment:
+      - APP_NAME=spreed
+      - CORE_BRANCH=stable14
     commands:
       # Pre-setup steps
-      - git clone --depth 1 -b master https://github.com/nextcloud/server ../server
-      - cp -R . ../server/apps/spreed
+      - git clone --depth 1 -b $CORE_BRANCH https://github.com/nextcloud/server ../server
+      - cp -R . ../server/apps/$APP_NAME
       - cd ../server
       - git submodule update --init
       - ln --symbolic `pwd` /var/www/html