Merge pull request #498 from senecajs/travis

detect PR branch

.travis.yml

@@ -6,12 +6,6 @@ node_js:
   - '6'
 
 env:
-  global:
-    # get the latest seneca code from master,
-    # to test a specific tagged version set the version like below.
-    - SENECA_VER=
-  # - SENECA_VER=#v1.3.0
-
   matrix:
     - TEST_SUITE=senecajs/seneca
     - TEST_SUITE=senecajs/gate-executor
@@ -20,15 +14,21 @@ env:
     - TEST_SUITE=senecajs/seneca-transport
 
 before_script:
+  - export PR=https://api.github.com/repos/$TRAVIS_REPO_SLUG/pulls/$TRAVIS_PULL_REQUEST
+  - export BRANCH=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then echo $TRAVIS_BRANCH; else echo `curl -s $PR | jq -r .head.ref`; fi)
+  - if [ "null" == "$BRANCH" ]; then BRANCH=""; else BRANCH="#$BRANCH"; fi
+  - echo "TRAVIS_BRANCH=$TRAVIS_BRANCH, PR=$PR, BRANCH=$BRANCH"
   - TEST_SUITE_FOLDER=$(basename $TEST_SUITE)
-  - echo TEST_SUITE:$TEST_SUITE
-  - echo TEST_SUITE_FOLDER:$TEST_SUITE_FOLDER
+  - echo "TEST_SUITE:$TEST_SUITE"
+  - echo "TEST_SUITE_FOLDER:$TEST_SUITE_FOLDER"
+  - SENECA_INSTALL=https://github.com/senecajs/seneca$BRANCH;
+  - echo "SENECA_INSTALL:$SENECA_INSTALL";
   - if [ $TEST_SUITE_FOLDER != 'seneca' ]; then
       git clone https://github.com/$TEST_SUITE;
       cd $TEST_SUITE_FOLDER;
       npm i;
       npm uninstall seneca;
-      npm install https://github.com/senecajs/seneca$SENECA_VER;
+      npm install $SENECA_INSTALL;
     fi
 
 cache: